batch fixes

v0.2.5 release
batch fixes
2026-08-14 08:52:02 +00:00 · 2026-03-02 03:31:59 +03:00 · 2026-03-01 22:27:42 +03:00 · 2026-03-01 20:38:12 +03:00 · 2026-03-01 04:16:17 +03:00 · 2026-03-01 00:26:36 +03:00
85 changed files with 6951 additions and 349 deletions
@@ -159,6 +159,15 @@ version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f202df86484c868dbad7eaa557ef785d5c66295e41b460ef922eca0723b842c"

+[[package]]
+name = "ar_archive_writer"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7eb93bbb63b9c227414f6eb3a0adfddca591a8ce1e9b60661bb08969b87e340b"
+dependencies = [
+ "object",
+]
+
 [[package]]
 name = "arbitrary"
 version = "1.4.2"
@@ -180,6 +189,12 @@ dependencies = [
 "password-hash",
 ]

+[[package]]
+name = "arrayvec"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
+
 [[package]]
 name = "async-broadcast"
 version = "0.7.2"
@@ -424,6 +439,12 @@ dependencies = [
 "tracing",
 ]

+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "base64"
 version = "0.21.7"
@@ -527,6 +548,12 @@ dependencies = [
 "alloc-stdlib",
 ]

+[[package]]
+name = "bufstream"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40e38929add23cdf8a366df9b0e088953150724bcbe5fc330b0d8eb3b328eec8"
+
 [[package]]
 name = "bumpalo"
 version = "3.20.2"
@@ -696,6 +723,16 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"

+[[package]]
+name = "charset"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1f927b07c74ba84c7e5fe4db2baeb3e996ab2688992e39ac68ce3220a677c7e"
+dependencies = [
+ "base64 0.22.1",
+ "encoding_rs",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.43"
@@ -710,6 +747,16 @@ dependencies = [
 "windows-link 0.2.1",
 ]

+[[package]]
+name = "chumsky"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8eebd66744a15ded14960ab4ccdbfb51ad3b81f51f3f04a80adac98c985396c9"
+dependencies = [
+ "hashbrown 0.14.5",
+ "stacker",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -891,7 +938,7 @@ dependencies = [
 "bitflags 2.11.0",
 "core-foundation",
 "core-graphics-types",
- "foreign-types",
+ "foreign-types 0.5.0",
 "libc",
 ]

@@ -1071,6 +1118,17 @@ dependencies = [
 "cfg-if",
 ]

+[[package]]
+name = "cron"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5877d3fbf742507b66bc2a1945106bd30dd8504019d596901ddd012a4dd01740"
+dependencies = [
+ "chrono",
+ "once_cell",
+ "winnow 0.6.26",
+]
+
 [[package]]
 name = "crossbeam"
 version = "0.8.4"
@@ -1570,6 +1628,22 @@ version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"

+[[package]]
+name = "email-encoding"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9298e6504d9b9e780ed3f7dfd43a61be8cd0e09eb07f7706a945b0072b6670b6"
+dependencies = [
+ "base64 0.22.1",
+ "memchr",
+]
+
+[[package]]
+name = "email_address"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e079f19b08ca6239f47f8ba8509c11cf3ea30095831f7fed61441475edd8c449"
+
 [[package]]
 name = "embed-resource"
 version = "3.0.6"
@@ -1774,6 +1848,15 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"

+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared 0.1.1",
+]
+
 [[package]]
 name = "foreign-types"
 version = "0.5.0"
@@ -1781,7 +1864,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d737d9aa519fb7b749cbc3b962edcf310a8dd1f4b67c91c4f83975dbdd17d965"
 dependencies = [
 "foreign-types-macros",
- "foreign-types-shared",
+ "foreign-types-shared 0.3.1",
 ]

 [[package]]
@@ -1795,6 +1878,12 @@ dependencies = [
 "syn 2.0.117",
 ]

+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "foreign-types-shared"
 version = "0.3.1"
@@ -2343,6 +2432,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 dependencies = [
 "ahash",
+ "allocator-api2",
 ]

 [[package]]
@@ -2405,6 +2495,17 @@ dependencies = [
 "digest",
 ]

+[[package]]
+name = "hostname"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "617aaa3557aef3810a6369d0a99fac8a080891b68bd9f9812a1eeda0c0730cbd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows-link 0.2.1",
+]
+
 [[package]]
 name = "html5ever"
 version = "0.29.1"
@@ -2699,6 +2800,31 @@ dependencies = [
 "png 0.18.1",
 ]

+[[package]]
+name = "imap"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c617c55def8c42129e0dd503f11d7ee39d73f5c7e01eff55768b3879ff1d107d"
+dependencies = [
+ "base64 0.13.1",
+ "bufstream",
+ "chrono",
+ "imap-proto",
+ "lazy_static",
+ "native-tls",
+ "nom 5.1.3",
+ "regex",
+]
+
+[[package]]
+name = "imap-proto"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16a6def1d5ac8975d70b3fd101d57953fe3278ef2ee5d7816cba54b1d1dfc22f"
+dependencies = [
+ "nom 5.1.3",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -2980,6 +3106,48 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"

+[[package]]
+name = "lettre"
+version = "0.11.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e13e10e8818f8b2a60f52cb127041d388b89f3a96a62be9ceaffa22262fef7f"
+dependencies = [
+ "async-trait",
+ "base64 0.22.1",
+ "chumsky",
+ "email-encoding",
+ "email_address",
+ "fastrand",
+ "futures-io",
+ "futures-util",
+ "hostname",
+ "httpdate",
+ "idna",
+ "mime",
+ "nom 8.0.0",
+ "percent-encoding",
+ "quoted_printable",
+ "rustls",
+ "socket2",
+ "tokio",
+ "tokio-rustls",
+ "url",
+ "webpki-roots",
+]
+
+[[package]]
+name = "lexical-core"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
+dependencies = [
+ "arrayvec",
+ "bitflags 1.3.2",
+ "cfg-if",
+ "ryu",
+ "static_assertions",
+]
+
 [[package]]
 name = "libappindicator"
 version = "0.9.0"
@@ -3123,6 +3291,17 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "mailparse"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3da03d5980411a724e8aaf7b61a7b5e386ec55a7fb49ee3d0ff79efc7e5e7c7e"
+dependencies = [
+ "charset",
+ "data-encoding",
+ "quoted_printable",
+]
+
 [[package]]
 name = "markup5ever"
 version = "0.14.1"
@@ -3268,6 +3447,23 @@ dependencies = [
 "windows-sys 0.60.2",
 ]

+[[package]]
+name = "native-tls"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "465500e14ea162429d264d44189adc38b199b62b1c21eea9f69e4b73cb03bbf2"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "security-framework",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "ndk"
 version = "0.9.0"
@@ -3316,6 +3512,26 @@ version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"

+[[package]]
+name = "nom"
+version = "5.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08959a387a676302eebf4ddbcbc611da04285579f76f88ee0506c63b1a61dd4b"
+dependencies = [
+ "lexical-core",
+ "memchr",
+ "version_check",
+]
+
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "nonzero_ext"
 version = "0.3.0"
@@ -3650,7 +3866,7 @@ dependencies = [

 [[package]]
 name = "openfang-api"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "axum",
@@ -3686,7 +3902,7 @@ dependencies = [

 [[package]]
 name = "openfang-channels"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "axum",
@@ -3696,6 +3912,10 @@ dependencies = [
 "futures",
 "hex",
 "hmac",
+ "imap",
+ "lettre",
+ "mailparse",
+ "native-tls",
 "openfang-types",
 "reqwest 0.12.28",
 "serde",
@@ -3713,7 +3933,7 @@ dependencies = [

 [[package]]
 name = "openfang-cli"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "clap",
 "clap_complete",
@@ -3740,7 +3960,7 @@ dependencies = [

 [[package]]
 name = "openfang-desktop"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "axum",
 "open",
@@ -3766,7 +3986,7 @@ dependencies = [

 [[package]]
 name = "openfang-extensions"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "aes-gcm",
 "argon2",
@@ -3794,7 +4014,7 @@ dependencies = [

 [[package]]
 name = "openfang-hands"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "chrono",
 "dashmap",
@@ -3811,10 +4031,11 @@ dependencies = [

 [[package]]
 name = "openfang-kernel"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "chrono",
+ "cron",
 "crossbeam",
 "dashmap",
 "dirs 6.0.0",
@@ -3846,7 +4067,7 @@ dependencies = [

 [[package]]
 name = "openfang-memory"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "chrono",
@@ -3865,7 +4086,7 @@ dependencies = [

 [[package]]
 name = "openfang-migrate"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "chrono",
 "dirs 6.0.0",
@@ -3884,7 +4105,7 @@ dependencies = [

 [[package]]
 name = "openfang-runtime"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "anyhow",
 "async-trait",
@@ -3915,7 +4136,7 @@ dependencies = [

 [[package]]
 name = "openfang-skills"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "chrono",
 "hex",
@@ -3937,7 +4158,7 @@ dependencies = [

 [[package]]
 name = "openfang-types"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "chrono",
@@ -3956,7 +4177,7 @@ dependencies = [

 [[package]]
 name = "openfang-wire"
-version = "0.1.0"
+version = "0.2.5"
 dependencies = [
 "async-trait",
 "chrono",
@@ -3975,12 +4196,50 @@ dependencies = [
 "uuid",
 ]

+[[package]]
+name = "openssl"
+version = "0.10.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08838db121398ad17ab8531ce9de97b244589089e290a384c900cb9ff7434328"
+dependencies = [
+ "bitflags 2.11.0",
+ "cfg-if",
+ "foreign-types 0.3.2",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.117",
+]
+
 [[package]]
 name = "openssl-probe"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"

+[[package]]
+name = "openssl-sys"
+version = "0.9.111"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82cab2d520aa75e3c58898289429321eb788c3106963d0dc886ec7a5f4adc321"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "option-ext"
 version = "0.2.0"
@@ -4521,6 +4780,16 @@ dependencies = [
 "unicode-ident",
 ]

+[[package]]
+name = "psm"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3852766467df634d74f0b2d7819bf8dc483a0eb2e3b0f50f756f9cfe8b0d18d8"
+dependencies = [
+ "ar_archive_writer",
+ "cc",
+]
+
 [[package]]
 name = "pulley-interpreter"
 version = "41.0.3"
@@ -4638,7 +4907,7 @@ dependencies = [
 "once_cell",
 "socket2",
 "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.60.2",
 ]

 [[package]]
@@ -4650,6 +4919,12 @@ dependencies = [
 "proc-macro2",
 ]

+[[package]]
+name = "quoted_printable"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "640c9bd8497b02465aeef5375144c26062e0dcd5939dfcbb0f5db76cb8c17c73"
+
 [[package]]
 name = "r-efi"
 version = "5.3.0"
@@ -5147,6 +5422,7 @@ version = "0.23.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c665f33d38cea657d9614f766881e4d510e0eda4239891eea56b4cadcf01801b"
 dependencies = [
+ "log",
 "once_cell",
 "ring",
 "rustls-pki-types",
@@ -5772,6 +6048,19 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"

+[[package]]
+name = "stacker"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d74a23609d509411d10e2176dc2a4346e3b4aea2e7b1869f19fdedbc71c013"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "libc",
+ "psm",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -8250,6 +8539,15 @@ dependencies = [
 "memchr",
 ]

+[[package]]
+name = "winnow"
+version = "0.6.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e90edd2ac1aa278a5c4599b1d89cf03074b610800f866d4026dc199d7929a28"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "winnow"
 version = "0.7.14"
@@ -8491,7 +8789,7 @@ checksum = "b9cc00251562a284751c9973bace760d86c0276c471b4be569fe6b068ee97a56"

 [[package]]
 name = "xtask"
-version = "0.1.0"
+version = "0.2.5"

 [[package]]
 name = "yoke"
@@ -18,7 +18,7 @@ members = [
 ]

 [workspace.package]
-version = "0.1.0"
+version = "0.2.6"
 edition = "2021"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/RightNow-AI/openfang"
@@ -122,6 +122,12 @@ argon2 = "0.5"
 # Lightweight regex
 regex-lite = "0.1"

+# Email (SMTP + IMAP)
+lettre = { version = "0.11", default-features = false, features = ["builder", "hostname", "smtp-transport", "tokio1", "tokio1-rustls-tls"] }
+imap = "2"
+native-tls = "0.2"
+mailparse = "0.15"
+
 # Testing
 tokio-test = "0.4"
 tempfile = "3"
@@ -22,6 +22,7 @@
  <img src="https://img.shields.io/badge/version-0.1.0-green?style=flat-square" alt="v0.1.0" />
  <img src="https://img.shields.io/badge/tests-1,767%2B%20passing-brightgreen?style=flat-square" alt="Tests" />
  <img src="https://img.shields.io/badge/clippy-0%20warnings-brightgreen?style=flat-square" alt="Clippy" />
+  <a href="https://www.buymeacoffee.com/openfang" target="_blank"><img src="https://img.shields.io/badge/Buy%20Me%20a%20Coffee-FFDD00?style=flat-square&logo=buy-me-a-coffee&logoColor=black" alt="Buy Me A Coffee" /></a>
 </p>

 ---
@@ -412,7 +413,7 @@ MIT — use it however you want.
 <p align="center">
  <a href="https://www.rightnowai.co/">Website</a> &bull;
  <a href="https://x.com/Akashi203">Twitter / X</a> &bull;
-  <a href="https://github.com/sponsors/RightNow-AI">Sponsor</a>
+  <a href="https://www.buymeacoffee.com/openfang" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
 </p>

 ---
@@ -893,11 +893,7 @@ impl ChannelBridgeHandle for KernelBridgeAdapter {
            msg.push_str(&format!("  {} — {}\n", card.name, url));
            let desc = &card.description;
            if !desc.is_empty() {
-                let short = if desc.len() > 60 {
-                    &desc[..60]
-                } else {
-                    desc.as_str()
-                };
+                let short = openfang_types::truncate_str(desc, 60);
                msg.push_str(&format!("    {short}\n"));
            }
        }
@@ -1580,12 +1576,18 @@ pub async fn start_channel_bridge_with_config(
    let mut started_names = Vec::new();
    for (adapter, _) in adapters {
        let name = adapter.name().to_string();
+        // Register adapter in kernel so agents can use `channel_send` tool
+        kernel
+            .channel_adapters
+            .insert(name.clone(), adapter.clone());
        match manager.start_adapter(adapter).await {
            Ok(()) => {
                info!("{name} channel bridge started");
                started_names.push(name);
            }
            Err(e) => {
+                // Remove from kernel map if start failed
+                kernel.channel_adapters.remove(&name);
                error!("Failed to start {name} bridge: {e}");
            }
        }
@@ -90,6 +90,31 @@ pub async fn auth(
        || path == "/api/profiles"
        || path == "/api/config"
        || path.starts_with("/api/uploads/")
+        // Dashboard read endpoints — allow unauthenticated so the SPA can
+        // render before the user enters their API key.
+        || path == "/api/models"
+        || path == "/api/models/aliases"
+        || path == "/api/providers"
+        || path == "/api/budget"
+        || path == "/api/budget/agents"
+        || path.starts_with("/api/budget/agents/")
+        || path == "/api/network/status"
+        || path == "/api/a2a/agents"
+        || path == "/api/approvals"
+        || path.starts_with("/api/approvals/")
+        || path == "/api/channels"
+        || path == "/api/hands"
+        || path == "/api/hands/active"
+        || path.starts_with("/api/hands/")
+        || path == "/api/skills"
+        || path == "/api/sessions"
+        || path == "/api/integrations"
+        || path == "/api/integrations/available"
+        || path == "/api/integrations/health"
+        || path == "/api/workflows"
+        || path == "/api/logs/stream"
+        || path.starts_with("/api/cron/")
+        || path.starts_with("/api/providers/github-copilot/oauth/")
    {
        return next.run(request).await;
    }
@@ -156,6 +156,10 @@ pub async fn build_router(
            "/api/agents/{id}/session/reset",
            axum::routing::post(routes::reset_session),
        )
+        .route(
+            "/api/agents/{id}/history",
+            axum::routing::delete(routes::clear_agent_history),
+        )
        .route(
            "/api/agents/{id}/session/compact",
            axum::routing::post(routes::compact_session),
@@ -168,6 +172,10 @@ pub async fn build_router(
            "/api/agents/{id}/model",
            axum::routing::put(routes::set_model),
        )
+        .route(
+            "/api/agents/{id}/tools",
+            axum::routing::get(routes::get_agent_tools).put(routes::set_agent_tools),
+        )
        .route(
            "/api/agents/{id}/skills",
            axum::routing::get(routes::get_agent_skills).put(routes::set_agent_skills),
@@ -335,6 +343,11 @@ pub async fn build_router(
            "/api/hands/{hand_id}/install-deps",
            axum::routing::post(routes::install_hand_deps),
        )
+        .route(
+            "/api/hands/{hand_id}/settings",
+            axum::routing::get(routes::get_hand_settings)
+                .put(routes::update_hand_settings),
+        )
        .route(
            "/api/hands/instances/{id}/pause",
            axum::routing::post(routes::pause_hand),
@@ -377,6 +390,27 @@ pub async fn build_router(
            "/api/network/status",
            axum::routing::get(routes::network_status),
        )
+        // Agent communication (Comms) endpoints
+        .route(
+            "/api/comms/topology",
+            axum::routing::get(routes::comms_topology),
+        )
+        .route(
+            "/api/comms/events",
+            axum::routing::get(routes::comms_events),
+        )
+        .route(
+            "/api/comms/events/stream",
+            axum::routing::get(routes::comms_events_stream),
+        )
+        .route(
+            "/api/comms/send",
+            axum::routing::post(routes::comms_send),
+        )
+        .route(
+            "/api/comms/task",
+            axum::routing::post(routes::comms_task),
+        )
        // Tools endpoint
        .route("/api/tools", axum::routing::get(routes::list_tools))
        // Config endpoints
@@ -421,7 +455,8 @@ pub async fn build_router(
        )
        .route(
            "/api/budget/agents/{id}",
-            axum::routing::get(routes::agent_budget_status),
+            axum::routing::get(routes::agent_budget_status)
+                .put(routes::update_agent_budget),
        )
        // Session endpoints
        .route("/api/sessions", axum::routing::get(routes::list_sessions))
@@ -450,8 +485,25 @@ pub async fn build_router(
            "/api/models/aliases",
            axum::routing::get(routes::list_aliases),
        )
+        .route(
+            "/api/models/custom",
+            axum::routing::post(routes::add_custom_model),
+        )
+        .route(
+            "/api/models/custom/{*id}",
+            axum::routing::delete(routes::remove_custom_model),
+        )
        .route("/api/models/{*id}", axum::routing::get(routes::get_model))
        .route("/api/providers", axum::routing::get(routes::list_providers))
+        // Copilot OAuth (must be before parametric {name} routes)
+        .route(
+            "/api/providers/github-copilot/oauth/start",
+            axum::routing::post(routes::copilot_oauth_start),
+        )
+        .route(
+            "/api/providers/github-copilot/oauth/poll/{poll_id}",
+            axum::routing::get(routes::copilot_oauth_poll),
+        )
        .route(
            "/api/providers/{name}/key",
            axum::routing::post(routes::set_provider_key).delete(routes::delete_provider_key),
@@ -102,9 +102,15 @@ impl StreamChunker {
            }
        }

-        // Priority 4: Forced break at max_chunk_chars
+        // Priority 4: Forced break at max_chunk_chars (char-boundary safe)
        if self.buffer.len() >= self.max_chunk_chars {
-            let break_at = self.max_chunk_chars;
+            let mut break_at = self.max_chunk_chars;
+            while break_at > 0 && !self.buffer.is_char_boundary(break_at) {
+                break_at -= 1;
+            }
+            if break_at == 0 {
+                break_at = self.buffer.len();
+            }
            let chunk = self.buffer[..break_at].to_string();
            self.buffer = self.buffer[break_at..].to_string();
            return Some(chunk);
@@ -46,6 +46,8 @@ pub struct MessageResponse {
    pub input_tokens: u64,
    pub output_tokens: u64,
    pub iterations: u32,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cost_usd: Option<f64>,
 }

 /// Request to install a skill from the marketplace.
@@ -123,6 +123,8 @@ const WEBCHAT_HTML: &str = concat!(
    include_str!("../static/js/pages/wizard.js"),
    "\n",
    include_str!("../static/js/pages/approvals.js"),
+    "\n",
+    include_str!("../static/js/pages/comms.js"),
    "\n</script>\n",
    // Alpine.js MUST be last — it processes x-data and fires alpine:init
    "<script>\n",
@@ -3072,4 +3072,16 @@ mark.search-highlight {
  max-height: 400px;
  overflow-y: auto;
 }
-.flex-col { flex-direction: column; }
+/* Comms page */
+.comms-topo-tree { padding: 4px 0 4px 8px; }
+.comms-topo-child { padding: 0 0 0 20px; display: flex; align-items: center; gap: 4px; }
+.comms-topo-branch { color: var(--text-dim); font-family: var(--font-mono); white-space: pre; }
+.comms-topo-node { display: flex; align-items: center; gap: 4px; padding: 2px 0; }
+.comms-event-row {
+  display: flex; align-items: center; gap: 8px;
+  padding: 6px 12px; border-bottom: 1px solid var(--border);
+  font-size: 12px; transition: background var(--transition-fast);
+}
+.comms-event-row:hover { background: var(--bg-hover); }
+.comms-event-time { min-width: 50px; text-align: right; }
+.comms-event-detail { margin-left: auto; }
@@ -1,5 +1,15 @@
 <body x-data="app" :data-theme="theme">

+<!-- API Key Auth Prompt -->
+<div x-show="$store.app.showAuthPrompt" style="position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.6);backdrop-filter:blur(4px)" x-data="{ apiKeyInput: '' }">
+  <div style="background:var(--bg-card,#1e1e2e);border:1px solid var(--border,#333);border-radius:12px;padding:2rem;max-width:400px;width:90%">
+    <h3 style="margin:0 0 0.5rem;font-size:1.1rem">API Key Required</h3>
+    <p style="color:var(--text-dim,#888);font-size:0.85rem;margin:0 0 1rem">This instance requires an API key. Enter the key from your <code>config.toml</code>.</p>
+    <input type="password" x-model="apiKeyInput" placeholder="Enter API key..." @keydown.enter="$store.app.submitApiKey(apiKeyInput)" style="width:100%;padding:0.6rem;border-radius:6px;border:1px solid var(--border,#333);background:var(--bg-input,#151520);color:var(--text,#e0e0e0);font-size:0.9rem;box-sizing:border-box;margin-bottom:0.75rem">
+    <button @click="$store.app.submitApiKey(apiKeyInput)" style="width:100%;padding:0.6rem;border-radius:6px;border:none;background:var(--accent,#7c3aed);color:#fff;font-weight:600;cursor:pointer;font-size:0.9rem">Unlock Dashboard</button>
+  </div>
+</div>
+
 <div class="app-layout" :class="{ 'focus-mode': $store.app.focusMode }">
  <!-- Sidebar -->
  <nav class="sidebar" :class="{ collapsed: sidebarCollapsed, 'mobile-open': mobileMenuOpen }">
@@ -86,6 +96,10 @@
              <span class="nav-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 11l3 3L22 4"/><path d="M21 12v7a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h11"/></svg></span>
              <span class="nav-label">Approvals</span>
            </a>
+            <a class="nav-item" :class="{ active: page === 'comms' }" @click="navigate('comms')" :aria-current="page === 'comms' ? 'page' : false">
+              <span class="nav-icon"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 11.5a8.38 8.38 0 01-.9 3.8 8.5 8.5 0 01-7.6 4.7 8.38 8.38 0 01-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 01-.9-3.8 8.5 8.5 0 014.7-7.6 8.38 8.38 0 013.8-.9h.5a8.48 8.48 0 018 8v.5z"/></svg></span>
+              <span class="nav-label">Comms</span>
+            </a>
          </div>
        </template>
      </div>
@@ -555,7 +569,7 @@
                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/></svg>
                </button>
                <button class="btn btn-ghost btn-sm" @click="$store.app.toggleFocusMode()" title="Ctrl+Shift+F">
-                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><template x-if="!$store.app.focusMode"><g><path d="M8 3H5a2 2 0 0 0-2 2v3"/><path d="M21 8V5a2 2 0 0 0-2-2h-3"/><path d="M3 16v3a2 2 0 0 0 2 2h3"/><path d="M16 21h3a2 2 0 0 0 2-2v-3"/></g></template><template x-if="$store.app.focusMode"><g><path d="M8 3v3a2 2 0 0 1-2 2H3"/><path d="M21 8h-3a2 2 0 0 1-2-2V3"/><path d="M3 16h3a2 2 0 0 1 2 2v3"/><path d="M16 21v-3a2 2 0 0 1 2-2h3"/></g></template></svg>
+                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><g x-show="!$store.app.focusMode"><path d="M8 3H5a2 2 0 0 0-2 2v3"/><path d="M21 8V5a2 2 0 0 0-2-2h-3"/><path d="M3 16v3a2 2 0 0 0 2 2h3"/><path d="M16 21h3a2 2 0 0 0 2-2v-3"/></g><g x-show="$store.app.focusMode"><path d="M8 3v3a2 2 0 0 1-2 2H3"/><path d="M21 8h-3a2 2 0 0 1-2-2V3"/><path d="M3 16h3a2 2 0 0 1 2 2v3"/><path d="M16 21v-3a2 2 0 0 1 2-2h3"/></g></svg>
                </button>
                <button class="btn btn-danger btn-sm" @click="killAgent()">Stop</button>
              </div>
@@ -682,6 +696,16 @@
                  </div>
                </template>
              </div>
+              <!-- Model autocomplete picker -->
+              <div x-show="showModelPicker && filteredModelPicker.length" class="slash-menu" style="max-height:280px;overflow-y:auto">
+                <div class="text-xs text-dim" style="padding:4px 10px;border-bottom:1px solid var(--border)">Available models — pick one or keep typing</div>
+                <template x-for="(m, idx) in filteredModelPicker" :key="m.id">
+                  <div class="slash-menu-item" :class="{ 'slash-active': idx === modelPickerIdx }" @click="pickModel(m.id)" @mouseenter="modelPickerIdx = idx">
+                    <span class="font-bold" style="font-size:12px;font-family:var(--font-mono)" x-text="m.id"></span>
+                    <span class="text-xs text-dim" x-text="m.provider + (m.display_name && m.display_name !== m.id ? ' · ' + m.display_name : '')"></span>
+                  </div>
+                </template>
+              </div>
              <!-- Input row -->
              <div class="input-row">
                <button class="btn btn-ghost btn-sm" @click="$refs.fileInput.click()" title="Attach file" style="padding:6px 8px;flex-shrink:0">
@@ -699,10 +723,10 @@
                  <span class="text-xs" style="color:var(--danger)" x-text="formatRecordingTime()"></span>
                </div>
                <textarea id="msg-input" rows="1" :placeholder="recording ? 'Recording... release to send' : 'Message OpenFang... (/ for commands)'"
-                          @keydown.enter.prevent="if(!$event.shiftKey){if(showSlashMenu && filteredSlashCommands.length){executeSlashCommand(filteredSlashCommands[slashIdx].cmd)}else{sendMessage()}}"
-                          @keydown.escape="showSlashMenu = false"
-                          @keydown.arrow-up.prevent="if(showSlashMenu){slashIdx = Math.max(0, slashIdx - 1)}"
-                          @keydown.arrow-down.prevent="if(showSlashMenu){slashIdx = Math.min(filteredSlashCommands.length - 1, slashIdx + 1)}"
+                          @keydown.enter.prevent="if(!$event.shiftKey){if(showModelPicker && filteredModelPicker.length){pickModel(filteredModelPicker[modelPickerIdx].id)}else if(showSlashMenu && filteredSlashCommands.length){executeSlashCommand(filteredSlashCommands[slashIdx].cmd)}else{sendMessage()}}"
+                          @keydown.escape="showSlashMenu = false; showModelPicker = false"
+                          @keydown.arrow-up.prevent="if(showModelPicker){modelPickerIdx = Math.max(0, modelPickerIdx - 1)}else if(showSlashMenu){slashIdx = Math.max(0, slashIdx - 1)}"
+                          @keydown.arrow-down.prevent="if(showModelPicker){modelPickerIdx = Math.min(filteredModelPicker.length - 1, modelPickerIdx + 1)}else if(showSlashMenu){slashIdx = Math.min(filteredSlashCommands.length - 1, slashIdx + 1)}"
                          @input="$el.style.height='auto';$el.style.height=Math.min($el.scrollHeight,150)+'px'"
                          x-model="inputText"
                          :class="{ 'streaming-active': sending }"></textarea>
@@ -797,7 +821,7 @@
                <div class="tabs" style="margin-bottom:16px">
                  <div class="tab" :class="{ active: detailTab === 'info' }" @click="detailTab = 'info'">Info</div>
                  <div class="tab" :class="{ active: detailTab === 'files' }" @click="detailTab = 'files'; loadAgentFiles()">Files</div>
-                  <div class="tab" :class="{ active: detailTab === 'config' }" @click="detailTab = 'config'">Config</div>
+                  <div class="tab" :class="{ active: detailTab === 'config' }" @click="detailTab = 'config'; loadToolFilters()">Config</div>
                </div>

                <!-- Tab: Info -->
@@ -812,12 +836,29 @@
                    </div>
                    <div class="detail-row" x-show="detailAgent.profile"><span class="detail-label">Profile</span><span class="detail-value" style="text-transform:capitalize" x-text="detailAgent.profile || '-'"></span></div>
                    <div class="detail-row"><span class="detail-label">Provider</span><span class="detail-value" x-text="detailAgent.model_provider"></span></div>
-                    <div class="detail-row"><span class="detail-label">Model</span><span class="detail-value" x-text="detailAgent.model_name"></span></div>
+                    <div class="detail-row"><span class="detail-label">Model</span>
+                      <template x-if="!editingModel">
+                        <span>
+                          <span class="detail-value" x-text="detailAgent.model_name"></span>
+                          <button class="btn btn-ghost btn-sm" style="margin-left:8px;padding:2px 8px;font-size:11px" @click="editingModel = true; newModelValue = detailAgent.model_provider + '/' + detailAgent.model_name">Change</button>
+                        </span>
+                      </template>
+                      <template x-if="editingModel">
+                        <span class="flex gap-1" style="align-items:center">
+                          <input class="form-input" style="width:240px;font-size:12px" x-model="newModelValue" placeholder="provider/model" @keydown.enter="changeModel()" @keydown.escape="editingModel = false">
+                          <button class="btn btn-primary btn-sm" @click="changeModel()" :disabled="modelSaving" style="padding:2px 10px">
+                            <span x-show="!modelSaving">Save</span><span x-show="modelSaving">...</span>
+                          </button>
+                          <button class="btn btn-ghost btn-sm" @click="editingModel = false" style="padding:2px 8px">Cancel</button>
+                        </span>
+                      </template>
+                    </div>
                    <div class="detail-row"><span class="detail-label">Created</span><span class="detail-value" x-text="detailAgent.created_at ? new Date(detailAgent.created_at).toLocaleString() : '-'"></span></div>
                  </div>
                  <div class="flex gap-2 mt-4">
                    <button class="btn btn-primary" @click="chatWithAgent(detailAgent); showDetailModal = false">Chat</button>
                    <button class="btn btn-ghost" @click="cloneAgent(detailAgent)">Clone</button>
+                    <button class="btn btn-ghost" @click="clearHistory(detailAgent)">Clear History</button>
                    <button class="btn btn-danger" @click="killAgent(detailAgent)">Stop</button>
                  </div>
                </div>
@@ -876,6 +917,36 @@
                  <button class="btn btn-primary mt-4" @click="saveConfig()" :disabled="configSaving">
                    <span x-show="!configSaving">Save Config</span><span x-show="configSaving">Saving...</span>
                  </button>
+
+                  <!-- Tool Filters -->
+                  <div class="mt-4" style="border-top:1px solid var(--border);padding-top:16px">
+                    <h4 style="margin-bottom:8px;font-size:13px">Tool Filters</h4>
+                    <p class="text-xs text-dim" style="margin-bottom:12px">Allowlist: only these tools available (empty = all). Blocklist: these tools excluded.</p>
+                    <div class="form-group">
+                      <label style="font-size:12px">Allowlist <span class="text-dim" x-text="'(' + toolFilters.tool_allowlist.length + ')'"></span></label>
+                      <div class="flex flex-wrap gap-1 mb-1">
+                        <template x-for="(t, i) in toolFilters.tool_allowlist" :key="'al-'+i">
+                          <span class="badge" style="cursor:pointer" @click="removeAllowTool(t)" :title="'Click to remove ' + t"><span x-text="t"></span> &times;</span>
+                        </template>
+                      </div>
+                      <div class="flex gap-1">
+                        <input class="form-input" style="font-size:12px;flex:1" x-model="newAllowTool" placeholder="tool name" @keydown.enter="addAllowTool()">
+                        <button class="btn btn-ghost btn-sm" @click="addAllowTool()">Add</button>
+                      </div>
+                    </div>
+                    <div class="form-group">
+                      <label style="font-size:12px">Blocklist <span class="text-dim" x-text="'(' + toolFilters.tool_blocklist.length + ')'"></span></label>
+                      <div class="flex flex-wrap gap-1 mb-1">
+                        <template x-for="(t, i) in toolFilters.tool_blocklist" :key="'bl-'+i">
+                          <span class="badge badge-danger" style="cursor:pointer" @click="removeBlockTool(t)" :title="'Click to remove ' + t"><span x-text="t"></span> &times;</span>
+                        </template>
+                      </div>
+                      <div class="flex gap-1">
+                        <input class="form-input" style="font-size:12px;flex:1" x-model="newBlockTool" placeholder="tool name" @keydown.enter="addBlockTool()">
+                        <button class="btn btn-ghost btn-sm" @click="addBlockTool()">Add</button>
+                      </div>
+                    </div>
+                  </div>
                </div>
              </div>
            </div>
@@ -1092,10 +1163,12 @@
                    </div>
                    <div class="text-sm text-dim mb-2" x-text="a.description"></div>
                    <div class="text-xs text-dim">Agent: <span x-text="a.agent_name"></span> &middot; <span x-text="timeAgo(a.created_at)"></span></div>
-                    <div class="approval-actions" x-show="a.status === 'pending'" style="display:flex;gap:8px;margin-top:12px">
-                      <button class="btn btn-success btn-sm" @click="approve(a.id)">Approve</button>
-                      <button class="btn btn-danger btn-sm" @click="reject(a.id)">Reject</button>
-                    </div>
+                    <template x-if="a.status === 'pending'">
+                      <div class="approval-actions" style="display:flex;gap:8px;margin-top:12px">
+                        <button class="btn btn-success btn-sm" @click="approve(a.id)">Approve</button>
+                        <button class="btn btn-danger btn-sm" @click="reject(a.id)">Reject</button>
+                      </div>
+                    </template>
                  </div>
                </template>
              </div>
@@ -1523,7 +1596,7 @@
                      <th>Agent</th>
                      <th>Status</th>
                      <th>Last Run</th>
-                      <th>Runs</th>
+                      <th>Next Run</th>
                      <th>Actions</th>
                    </tr>
                  </thead>
@@ -1543,7 +1616,7 @@
                          <span class="badge" :class="job.enabled ? 'badge-success' : 'badge-dim'" x-text="job.enabled ? 'Active' : 'Paused'"></span>
                        </td>
                        <td class="text-xs" :title="formatTime(job.last_run)" x-text="relativeTime(job.last_run)"></td>
-                        <td class="text-xs" x-text="job.run_count || 0"></td>
+                        <td class="text-xs" :title="formatTime(job.next_run)" x-text="relativeTime(job.next_run)"></td>
                        <td>
                          <div class="flex gap-1">
                            <button class="btn btn-primary btn-sm" @click="runNow(job)" :disabled="runningJobId === job.id">
@@ -2872,6 +2945,21 @@ args = ["-y", "@modelcontextprotocol/server-filesystem", "/path"]</pre>
                  <template x-if="p.auth_status !== 'configured' && p.api_key_env">
                    <div class="text-xs text-dim mt-2">Or set <code style="color:var(--accent-light);background:var(--bg);padding:1px 4px;border-radius:2px" x-text="p.api_key_env"></code> in your environment and restart</div>
                  </template>
+                  <!-- Copilot OAuth button -->
+                  <template x-if="p.id === 'github-copilot' && p.auth_status !== 'configured'">
+                    <div class="mt-2">
+                      <button class="btn btn-primary btn-sm" @click="startCopilotOAuth()" :disabled="copilotOAuth.polling" x-show="!copilotOAuth.userCode">Login with GitHub</button>
+                      <div x-show="copilotOAuth.userCode" class="mt-2">
+                        <div class="text-sm">Visit <a :href="copilotOAuth.verificationUri" target="_blank" x-text="copilotOAuth.verificationUri" style="color:var(--accent-light)"></a> and enter:</div>
+                        <div style="font-size:24px;font-weight:bold;letter-spacing:4px;margin:8px 0;color:var(--accent-light)" x-text="copilotOAuth.userCode"></div>
+                        <div class="text-xs text-dim"><span class="spinner" style="width:10px;height:10px;border-width:2px;display:inline-block;vertical-align:middle"></span> Waiting for authorization...</div>
+                      </div>
+                    </div>
+                  </template>
+                  <!-- Claude Code install hint -->
+                  <template x-if="p.id === 'claude-code' && p.auth_status !== 'configured'">
+                    <div class="mt-2 text-xs text-dim">Install: <code style="color:var(--accent-light);background:var(--bg);padding:1px 4px;border-radius:2px">npm install -g @anthropic-ai/claude-code</code></div>
+                  </template>
                  <!-- Actions for configured providers -->
                  <template x-if="p.auth_status === 'configured'">
                    <div class="flex gap-2 mt-2">
@@ -2931,6 +3019,31 @@ args = ["-y", "@modelcontextprotocol/server-filesystem", "/path"]</pre>
                  <option :value="t" x-text="t"></option>
                </template>
              </select>
+              <button class="btn btn-primary btn-sm" @click="showCustomModelForm = !showCustomModelForm" x-text="showCustomModelForm ? 'Cancel' : '+ Custom Model'"></button>
+            </div>
+            <!-- Custom model form -->
+            <div x-show="showCustomModelForm" class="info-card mb-4" style="border:1px solid var(--accent,#7c3aed)">
+              <h4 style="margin-top:0">Add Custom Model</h4>
+              <div style="display:grid;grid-template-columns:1fr 1fr;gap:0.5rem">
+                <div>
+                  <label class="text-xs text-dim">Model ID (required)</label>
+                  <input class="form-input" x-model="customModelId" placeholder="e.g. my-org/my-model">
+                </div>
+                <div>
+                  <label class="text-xs text-dim">Provider</label>
+                  <input class="form-input" x-model="customModelProvider" placeholder="openrouter">
+                </div>
+                <div>
+                  <label class="text-xs text-dim">Context Window</label>
+                  <input class="form-input" type="number" x-model.number="customModelContext" placeholder="128000">
+                </div>
+                <div>
+                  <label class="text-xs text-dim">Max Output Tokens</label>
+                  <input class="form-input" type="number" x-model.number="customModelMaxOutput" placeholder="8192">
+                </div>
+              </div>
+              <button class="btn btn-primary btn-sm mt-2" @click="addCustomModel()" :disabled="!customModelId.trim()">Add Model</button>
+              <span class="text-xs text-dim ml-2" x-text="customModelStatus"></span>
            </div>
            <div class="text-xs text-dim mb-2" x-text="filteredModels.length + ' of ' + models.length + ' models'"></div>
            <div class="table-wrap" x-show="filteredModels.length">
@@ -2939,7 +3052,7 @@ args = ["-y", "@modelcontextprotocol/server-filesystem", "/path"]</pre>
                <tbody>
                  <template x-for="m in filteredModels" :key="m.id">
                    <tr>
-                      <td class="font-bold" style="font-size:11px" x-text="m.display_name || m.id"></td>
+                      <td style="font-size:11px"><div class="font-bold" x-text="m.display_name || m.id"></div><div class="text-xs text-dim" style="font-family:var(--font-mono);opacity:0.7;user-select:all" x-show="m.display_name && m.display_name !== m.id" x-text="m.id"></div></td>
                      <td class="text-dim" x-text="m.provider"></td>
                      <td><span class="tier-badge" :class="tierBadgeClass(m.tier)" x-text="m.tier || '-'"></span></td>
                      <td class="text-xs" x-text="formatContext(m.context_window)"></td>
@@ -3968,6 +4081,176 @@ args = ["-y", "@modelcontextprotocol/server-filesystem", "/path"]</pre>
      </div>
    </template>

+    <!-- Page: Comms -->
+    <template x-if="page === 'comms'">
+      <div x-data="commsPage" x-init="loadData()" @page-leave.window="stopSSE()">
+        <div class="page-header">
+          <h2>Agent Comms</h2>
+          <div class="flex items-center gap-2">
+            <button class="btn btn-primary btn-sm" @click="openSendModal()">
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 2L11 13"/><path d="M22 2l-7 20-4-9-9-4z"/></svg>
+              Send Message
+            </button>
+            <button class="btn btn-ghost btn-sm" @click="openTaskModal()">
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M12 2v20M17 5H9.5a3.5 3.5 0 000 7h5a3.5 3.5 0 010 7H6"/></svg>
+              Post Task
+            </button>
+            <button class="btn btn-ghost btn-sm" @click="loadData()" title="Refresh">
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 2v6h-6"/><path d="M3 12a9 9 0 0115-6.7L21 8"/><path d="M3 22v-6h6"/><path d="M21 12a9 9 0 01-15 6.7L3 16"/></svg>
+            </button>
+          </div>
+        </div>
+        <div class="page-body">
+          <!-- Loading -->
+          <div x-show="loading" style="animation:fadeIn 0.2s">
+            <div class="card mb-4"><div class="skeleton skeleton-text" style="width:160px;margin-bottom:8px"></div><div class="skeleton skeleton-card" style="height:120px"></div></div>
+            <div class="card"><div class="skeleton skeleton-text" style="width:120px;margin-bottom:8px"></div><div class="skeleton skeleton-card" style="height:200px"></div></div>
+          </div>
+          <!-- Error -->
+          <div x-show="!loading && loadError" class="error-state" style="animation:fadeIn 0.3s">
+            <h3 style="color:var(--error)">Connection Error</h3>
+            <p class="text-xs text-dim" x-text="loadError"></p>
+            <button class="btn btn-primary btn-sm" @click="loadData()" style="margin-top:8px">Retry</button>
+          </div>
+          <!-- Content -->
+          <div x-show="!loading && !loadError" style="animation:fadeIn 0.3s">
+            <!-- Topology -->
+            <div class="card mb-4">
+              <div class="card-header">
+                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:inline;margin-right:4px;vertical-align:-2px"><circle cx="18" cy="5" r="3"/><circle cx="6" cy="12" r="3"/><circle cx="18" cy="19" r="3"/><path d="M8.59 13.51l6.83 3.98M15.41 6.51l-6.82 3.98"/></svg>
+                Agent Topology
+                <span class="badge badge-dim" style="margin-left:8px;font-weight:400" x-text="topology.nodes.length + ' agents'"></span>
+              </div>
+              <div style="padding:8px 0;font-family:var(--font-mono);font-size:12px;line-height:1.8">
+                <template x-if="topology.nodes.length === 0">
+                  <div class="text-dim" style="text-align:center;padding:24px">No agents running</div>
+                </template>
+                <template x-for="root in rootNodes()" :key="root.id">
+                  <div class="comms-topo-tree">
+                    <div class="comms-topo-node" :title="root.id">
+                      <span :class="stateBadgeClass(root.state)" style="font-size:10px;padding:1px 6px" x-text="root.state"></span>
+                      <strong x-text="root.name" style="margin:0 4px"></strong>
+                      <span class="text-dim" x-text="root.model"></span>
+                      <template x-for="peer in peersOf(root.id)" :key="peer.id">
+                        <span class="text-dim" style="margin-left:8px" x-text="'\u2194 ' + peer.name"></span>
+                      </template>
+                    </div>
+                    <template x-for="(child, ci) in childrenOf(root.id)" :key="child.id">
+                      <div class="comms-topo-child">
+                        <span class="comms-topo-branch" x-text="ci < childrenOf(root.id).length - 1 ? '\u251c\u2500\u2500 ' : '\u2514\u2500\u2500 '"></span>
+                        <span :class="stateBadgeClass(child.state)" style="font-size:10px;padding:1px 6px" x-text="child.state"></span>
+                        <strong x-text="child.name" style="margin:0 4px"></strong>
+                        <span class="text-dim" x-text="child.model"></span>
+                      </div>
+                    </template>
+                  </div>
+                </template>
+              </div>
+            </div>
+
+            <!-- Live Event Feed -->
+            <div class="card">
+              <div class="card-header flex justify-between items-center">
+                <div>
+                  <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="display:inline;margin-right:4px;vertical-align:-2px"><path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/></svg>
+                  Live Event Feed
+                </div>
+                <div class="flex items-center gap-2">
+                  <span class="badge badge-success" style="font-size:9px;padding:2px 6px;animation:pulse-ring 2s infinite">LIVE</span>
+                  <span class="text-xs text-dim" x-text="events.length + ' events'"></span>
+                </div>
+              </div>
+              <div style="max-height:400px;overflow-y:auto">
+                <template x-if="events.length === 0">
+                  <div class="text-dim" style="text-align:center;padding:24px">No inter-agent events yet</div>
+                </template>
+                <template x-for="ev in events" :key="ev.id">
+                  <div class="comms-event-row">
+                    <span class="comms-event-time text-xs text-dim" x-text="timeAgo(ev.timestamp)"></span>
+                    <span :class="eventBadgeClass(ev.kind)" style="font-size:10px;padding:1px 6px;min-width:70px;text-align:center" x-text="eventLabel(ev.kind)"></span>
+                    <span style="font-weight:600;font-size:12px" x-text="ev.source_name"></span>
+                    <span class="text-dim" x-show="ev.target_name" x-text="'\u2192 ' + ev.target_name"></span>
+                    <span class="comms-event-detail text-dim text-xs" x-text="ev.detail" style="flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap"></span>
+                  </div>
+                </template>
+              </div>
+            </div>
+          </div>
+
+          <!-- Send Message Modal -->
+          <div x-show="showSendModal" style="position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)" @click.self="showSendModal=false" x-transition>
+            <div class="card" style="width:420px;max-width:90vw" @click.stop>
+              <div class="card-header">Send Agent Message</div>
+              <div style="display:flex;flex-direction:column;gap:12px;margin-top:12px">
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">From Agent</label>
+                  <select x-model="sendFrom" class="input" style="width:100%">
+                    <option value="">Select agent...</option>
+                    <template x-for="n in topology.nodes" :key="n.id">
+                      <option :value="n.id" x-text="n.name + ' (' + n.state + ')'"></option>
+                    </template>
+                  </select>
+                </div>
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">To Agent</label>
+                  <select x-model="sendTo" class="input" style="width:100%">
+                    <option value="">Select agent...</option>
+                    <template x-for="n in topology.nodes" :key="n.id">
+                      <option :value="n.id" x-text="n.name + ' (' + n.state + ')'"></option>
+                    </template>
+                  </select>
+                </div>
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">Message</label>
+                  <textarea x-model="sendMsg" class="input" rows="3" placeholder="Type a message..." style="width:100%;resize:vertical"></textarea>
+                </div>
+                <div class="flex gap-2" style="justify-content:flex-end">
+                  <button class="btn btn-ghost btn-sm" @click="showSendModal=false">Cancel</button>
+                  <button class="btn btn-primary btn-sm" @click="submitSend()" :disabled="sendLoading || !sendFrom || !sendTo || !sendMsg.trim()">
+                    <span x-show="sendLoading">Sending...</span>
+                    <span x-show="!sendLoading">Send</span>
+                  </button>
+                </div>
+              </div>
+            </div>
+          </div>
+
+          <!-- Post Task Modal -->
+          <div x-show="showTaskModal" style="position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px)" @click.self="showTaskModal=false" x-transition>
+            <div class="card" style="width:420px;max-width:90vw" @click.stop>
+              <div class="card-header">Post Task</div>
+              <div style="display:flex;flex-direction:column;gap:12px;margin-top:12px">
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">Title</label>
+                  <input type="text" x-model="taskTitle" class="input" placeholder="Task title..." style="width:100%">
+                </div>
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">Description</label>
+                  <textarea x-model="taskDesc" class="input" rows="3" placeholder="Task description..." style="width:100%;resize:vertical"></textarea>
+                </div>
+                <div>
+                  <label class="text-xs text-dim" style="display:block;margin-bottom:4px">Assign To (optional)</label>
+                  <select x-model="taskAssign" class="input" style="width:100%">
+                    <option value="">Unassigned</option>
+                    <template x-for="n in topology.nodes" :key="n.id">
+                      <option :value="n.id" x-text="n.name"></option>
+                    </template>
+                  </select>
+                </div>
+                <div class="flex gap-2" style="justify-content:flex-end">
+                  <button class="btn btn-ghost btn-sm" @click="showTaskModal=false">Cancel</button>
+                  <button class="btn btn-primary btn-sm" @click="submitTask()" :disabled="taskLoading || !taskTitle.trim()">
+                    <span x-show="taskLoading">Posting...</span>
+                    <span x-show="!taskLoading">Post Task</span>
+                  </button>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </template>
+
    <!-- Page: Setup Wizard -->
    <template x-if="page === 'wizard'">
      <div x-data="wizardPage">
@@ -87,6 +87,10 @@ function toolIcon(toolName) {

 // Alpine.js global store
 document.addEventListener('alpine:init', function() {
+  // Restore saved API key on load
+  var savedKey = localStorage.getItem('openfang-api-key');
+  if (savedKey) OpenFangAPI.setAuthToken(savedKey);
+
  Alpine.store('app', {
    agents: [],
    connected: false,
@@ -99,6 +103,7 @@ document.addEventListener('alpine:init', function() {
    pendingAgent: null,
    focusMode: localStorage.getItem('openfang-focus') === 'true',
    showOnboarding: false,
+    showAuthPrompt: false,

    toggleFocusMode() {
      this.focusMode = !this.focusMode;
@@ -146,6 +151,39 @@ document.addEventListener('alpine:init', function() {
    dismissOnboarding() {
      this.showOnboarding = false;
      localStorage.setItem('openfang-onboarded', 'true');
+    },
+
+    async checkAuth() {
+      try {
+        // Use a protected endpoint (not in the public allowlist) to detect
+        // whether the server requires an API key.
+        await OpenFangAPI.get('/api/tools');
+        this.showAuthPrompt = false;
+      } catch(e) {
+        if (e.message && (e.message.indexOf('Not authorized') >= 0 || e.message.indexOf('401') >= 0 || e.message.indexOf('Missing Authorization') >= 0 || e.message.indexOf('Unauthorized') >= 0)) {
+          // Only show prompt if we don't already have a saved key
+          var saved = localStorage.getItem('openfang-api-key');
+          if (saved) {
+            // Saved key might be stale — clear it and show prompt
+            OpenFangAPI.setAuthToken('');
+            localStorage.removeItem('openfang-api-key');
+          }
+          this.showAuthPrompt = true;
+        }
+      }
+    },
+
+    submitApiKey(key) {
+      if (!key || !key.trim()) return;
+      OpenFangAPI.setAuthToken(key.trim());
+      localStorage.setItem('openfang-api-key', key.trim());
+      this.showAuthPrompt = false;
+      this.refreshAgents();
+    },
+
+    clearApiKey() {
+      OpenFangAPI.setAuthToken('');
+      localStorage.removeItem('openfang-api-key');
    }
  });
 });
@@ -180,7 +218,7 @@ function app() {
      });

      // Hash routing
-      var validPages = ['overview','agents','sessions','approvals','workflows','scheduler','channels','skills','hands','analytics','logs','settings','wizard'];
+      var validPages = ['overview','agents','sessions','approvals','comms','workflows','scheduler','channels','skills','hands','analytics','logs','settings','wizard'];
      var pageRedirects = {
        'chat': 'agents',
        'templates': 'agents',
@@ -237,6 +275,7 @@ function app() {
      // Initial data load
      this.pollStatus();
      Alpine.store('app').checkOnboarding();
+      Alpine.store('app').checkAuth();
      setInterval(function() { self.pollStatus(); }, 5000);
    },

@@ -54,6 +54,15 @@ function agentsPage() {
    filesLoading: false,
    configForm: {},
    configSaving: false,
+    // -- Tool filters --
+    toolFilters: { tool_allowlist: [], tool_blocklist: [] },
+    toolFiltersLoading: false,
+    newAllowTool: '',
+    newBlockTool: '',
+    // -- Model switch --
+    editingModel: false,
+    newModelValue: '',
+    modelSaving: false,

    // -- Templates state --
    tplTemplates: [],
@@ -559,6 +568,88 @@ function agentsPage() {
      }
    },

+    // ── Clear agent history ──
+    async clearHistory(agent) {
+      var self = this;
+      OpenFangToast.confirm('Clear History', 'Clear all conversation history for "' + agent.name + '"? This cannot be undone.', async function() {
+        try {
+          await OpenFangAPI.del('/api/agents/' + agent.id + '/history');
+          OpenFangToast.success('History cleared for "' + agent.name + '"');
+        } catch(e) {
+          OpenFangToast.error('Failed to clear history: ' + e.message);
+        }
+      });
+    },
+
+    // ── Model switch ──
+    async changeModel() {
+      if (!this.detailAgent || !this.newModelValue.trim()) return;
+      this.modelSaving = true;
+      try {
+        await OpenFangAPI.put('/api/agents/' + this.detailAgent.id + '/model', { model: this.newModelValue.trim() });
+        OpenFangToast.success('Model changed (memory reset)');
+        this.editingModel = false;
+        await Alpine.store('app').refreshAgents();
+        // Refresh detailAgent
+        var agents = Alpine.store('app').agents;
+        for (var i = 0; i < agents.length; i++) {
+          if (agents[i].id === this.detailAgent.id) { this.detailAgent = agents[i]; break; }
+        }
+      } catch(e) {
+        OpenFangToast.error('Failed to change model: ' + e.message);
+      }
+      this.modelSaving = false;
+    },
+
+    // ── Tool filters ──
+    async loadToolFilters() {
+      if (!this.detailAgent) return;
+      this.toolFiltersLoading = true;
+      try {
+        this.toolFilters = await OpenFangAPI.get('/api/agents/' + this.detailAgent.id + '/tools');
+      } catch(e) {
+        this.toolFilters = { tool_allowlist: [], tool_blocklist: [] };
+      }
+      this.toolFiltersLoading = false;
+    },
+
+    addAllowTool() {
+      var t = this.newAllowTool.trim();
+      if (t && this.toolFilters.tool_allowlist.indexOf(t) === -1) {
+        this.toolFilters.tool_allowlist.push(t);
+        this.newAllowTool = '';
+        this.saveToolFilters();
+      }
+    },
+
+    removeAllowTool(tool) {
+      this.toolFilters.tool_allowlist = this.toolFilters.tool_allowlist.filter(function(t) { return t !== tool; });
+      this.saveToolFilters();
+    },
+
+    addBlockTool() {
+      var t = this.newBlockTool.trim();
+      if (t && this.toolFilters.tool_blocklist.indexOf(t) === -1) {
+        this.toolFilters.tool_blocklist.push(t);
+        this.newBlockTool = '';
+        this.saveToolFilters();
+      }
+    },
+
+    removeBlockTool(tool) {
+      this.toolFilters.tool_blocklist = this.toolFilters.tool_blocklist.filter(function(t) { return t !== tool; });
+      this.saveToolFilters();
+    },
+
+    async saveToolFilters() {
+      if (!this.detailAgent) return;
+      try {
+        await OpenFangAPI.put('/api/agents/' + this.detailAgent.id + '/tools', this.toolFilters);
+      } catch(e) {
+        OpenFangToast.error('Failed to update tool filters: ' + e.message);
+      }
+    },
+
    async spawnBuiltin(t) {
      var toml = 'name = "' + t.name + '"\n';
      toml += 'description = "' + t.description.replace(/"/g, '\\"') + '"\n';
@@ -29,6 +29,11 @@ function chatPage() {
    _audioChunks: [],
    recordingTime: 0,
    _recordingTimer: null,
+    // Model autocomplete state
+    showModelPicker: false,
+    modelPickerList: [],
+    modelPickerFilter: '',
+    modelPickerIdx: 0,
    slashCommands: [
      { cmd: '/help', desc: 'Show available commands' },
      { cmd: '/agents', desc: 'Switch to Agents page' },
@@ -126,18 +131,47 @@ function chatPage() {
        }
      });

-      // Watch for slash commands
+      // Watch for slash commands + model autocomplete
      this.$watch('inputText', function(val) {
-        if (val.startsWith('/')) {
+        var modelMatch = val.match(/^\/model\s+(.*)$/i);
+        if (modelMatch) {
+          self.showSlashMenu = false;
+          self.modelPickerFilter = modelMatch[1].toLowerCase();
+          if (!self.modelPickerList.length) {
+            OpenFangAPI.get('/api/models').then(function(data) {
+              self.modelPickerList = (data.models || []).filter(function(m) { return m.available; });
+              self.showModelPicker = true;
+              self.modelPickerIdx = 0;
+            }).catch(function() {});
+          } else {
+            self.showModelPicker = true;
+          }
+        } else if (val.startsWith('/')) {
+          self.showModelPicker = false;
          self.slashFilter = val.slice(1).toLowerCase();
          self.showSlashMenu = true;
          self.slashIdx = 0;
        } else {
          self.showSlashMenu = false;
+          self.showModelPicker = false;
        }
      });
    },

+    get filteredModelPicker() {
+      if (!this.modelPickerFilter) return this.modelPickerList.slice(0, 15);
+      var f = this.modelPickerFilter;
+      return this.modelPickerList.filter(function(m) {
+        return m.id.toLowerCase().indexOf(f) !== -1 || (m.display_name || '').toLowerCase().indexOf(f) !== -1 || m.provider.toLowerCase().indexOf(f) !== -1;
+      }).slice(0, 15);
+    },
+
+    pickModel(modelId) {
+      this.showModelPicker = false;
+      this.inputText = '/model ' + modelId;
+      this.sendMessage();
+    },
+
    // Fetch dynamic slash commands from server
    fetchCommands: function() {
      var self = this;
@@ -0,0 +1,201 @@
+// OpenFang Comms Page — Agent topology & inter-agent communication feed
+'use strict';
+
+function commsPage() {
+  return {
+    topology: { nodes: [], edges: [] },
+    events: [],
+    loading: true,
+    loadError: '',
+    sseSource: null,
+    showSendModal: false,
+    showTaskModal: false,
+    sendFrom: '',
+    sendTo: '',
+    sendMsg: '',
+    sendLoading: false,
+    taskTitle: '',
+    taskDesc: '',
+    taskAssign: '',
+    taskLoading: false,
+
+    async loadData() {
+      this.loading = true;
+      this.loadError = '';
+      try {
+        var results = await Promise.all([
+          OpenFangAPI.get('/api/comms/topology'),
+          OpenFangAPI.get('/api/comms/events?limit=200')
+        ]);
+        this.topology = results[0] || { nodes: [], edges: [] };
+        this.events = results[1] || [];
+        this.startSSE();
+      } catch(e) {
+        this.loadError = e.message || 'Could not load comms data.';
+      }
+      this.loading = false;
+    },
+
+    startSSE() {
+      if (this.sseSource) this.sseSource.close();
+      var self = this;
+      var url = OpenFangAPI.baseUrl + '/api/comms/events/stream';
+      if (OpenFangAPI.apiKey) url += '?token=' + encodeURIComponent(OpenFangAPI.apiKey);
+      this.sseSource = new EventSource(url);
+      this.sseSource.onmessage = function(ev) {
+        if (ev.data === 'ping') return;
+        try {
+          var event = JSON.parse(ev.data);
+          self.events.unshift(event);
+          if (self.events.length > 200) self.events.length = 200;
+          // Refresh topology on spawn/terminate events
+          if (event.kind === 'agent_spawned' || event.kind === 'agent_terminated') {
+            self.refreshTopology();
+          }
+        } catch(e) { /* ignore parse errors */ }
+      };
+    },
+
+    stopSSE() {
+      if (this.sseSource) {
+        this.sseSource.close();
+        this.sseSource = null;
+      }
+    },
+
+    async refreshTopology() {
+      try {
+        this.topology = await OpenFangAPI.get('/api/comms/topology');
+      } catch(e) { /* silent */ }
+    },
+
+    rootNodes() {
+      var childIds = {};
+      var self = this;
+      this.topology.edges.forEach(function(e) {
+        if (e.kind === 'parent_child') childIds[e.to] = true;
+      });
+      return this.topology.nodes.filter(function(n) { return !childIds[n.id]; });
+    },
+
+    childrenOf(id) {
+      var childIds = {};
+      this.topology.edges.forEach(function(e) {
+        if (e.kind === 'parent_child' && e.from === id) childIds[e.to] = true;
+      });
+      return this.topology.nodes.filter(function(n) { return childIds[n.id]; });
+    },
+
+    peersOf(id) {
+      var peerIds = {};
+      this.topology.edges.forEach(function(e) {
+        if (e.kind === 'peer') {
+          if (e.from === id) peerIds[e.to] = true;
+          if (e.to === id) peerIds[e.from] = true;
+        }
+      });
+      return this.topology.nodes.filter(function(n) { return peerIds[n.id]; });
+    },
+
+    stateBadgeClass(state) {
+      switch(state) {
+        case 'Running': return 'badge badge-success';
+        case 'Suspended': return 'badge badge-warning';
+        case 'Terminated': case 'Crashed': return 'badge badge-danger';
+        default: return 'badge badge-dim';
+      }
+    },
+
+    eventBadgeClass(kind) {
+      switch(kind) {
+        case 'agent_message': return 'badge badge-info';
+        case 'agent_spawned': return 'badge badge-success';
+        case 'agent_terminated': return 'badge badge-danger';
+        case 'task_posted': return 'badge badge-warning';
+        case 'task_claimed': return 'badge badge-info';
+        case 'task_completed': return 'badge badge-success';
+        default: return 'badge badge-dim';
+      }
+    },
+
+    eventIcon(kind) {
+      switch(kind) {
+        case 'agent_message': return '\u2709';
+        case 'agent_spawned': return '+';
+        case 'agent_terminated': return '\u2715';
+        case 'task_posted': return '\u2691';
+        case 'task_claimed': return '\u2690';
+        case 'task_completed': return '\u2713';
+        default: return '\u2022';
+      }
+    },
+
+    eventLabel(kind) {
+      switch(kind) {
+        case 'agent_message': return 'Message';
+        case 'agent_spawned': return 'Spawned';
+        case 'agent_terminated': return 'Terminated';
+        case 'task_posted': return 'Task Posted';
+        case 'task_claimed': return 'Task Claimed';
+        case 'task_completed': return 'Task Done';
+        default: return kind;
+      }
+    },
+
+    timeAgo(dateStr) {
+      if (!dateStr) return '';
+      var d = new Date(dateStr);
+      var secs = Math.floor((Date.now() - d.getTime()) / 1000);
+      if (secs < 60) return secs + 's ago';
+      if (secs < 3600) return Math.floor(secs / 60) + 'm ago';
+      if (secs < 86400) return Math.floor(secs / 3600) + 'h ago';
+      return Math.floor(secs / 86400) + 'd ago';
+    },
+
+    openSendModal() {
+      this.sendFrom = '';
+      this.sendTo = '';
+      this.sendMsg = '';
+      this.showSendModal = true;
+    },
+
+    async submitSend() {
+      if (!this.sendFrom || !this.sendTo || !this.sendMsg.trim()) return;
+      this.sendLoading = true;
+      try {
+        await OpenFangAPI.post('/api/comms/send', {
+          from_agent_id: this.sendFrom,
+          to_agent_id: this.sendTo,
+          message: this.sendMsg
+        });
+        OpenFangToast.success('Message sent');
+        this.showSendModal = false;
+      } catch(e) {
+        OpenFangToast.error(e.message || 'Send failed');
+      }
+      this.sendLoading = false;
+    },
+
+    openTaskModal() {
+      this.taskTitle = '';
+      this.taskDesc = '';
+      this.taskAssign = '';
+      this.showTaskModal = true;
+    },
+
+    async submitTask() {
+      if (!this.taskTitle.trim()) return;
+      this.taskLoading = true;
+      try {
+        var body = { title: this.taskTitle, description: this.taskDesc };
+        if (this.taskAssign) body.assigned_to = this.taskAssign;
+        await OpenFangAPI.post('/api/comms/task', body);
+        OpenFangToast.success('Task posted');
+        this.showTaskModal = false;
+      } catch(e) {
+        OpenFangToast.error(e.message || 'Task failed');
+      }
+      this.taskLoading = false;
+    }
+  };
+}
@@ -62,8 +62,29 @@ function schedulerPage() {
    },

    async loadJobs() {
-      var data = await OpenFangAPI.get('/api/schedules');
-      this.jobs = data.schedules || [];
+      var data = await OpenFangAPI.get('/api/cron/jobs');
+      var raw = data.jobs || [];
+      // Normalize cron API response to flat fields the UI expects
+      this.jobs = raw.map(function(j) {
+        var cron = '';
+        if (j.schedule) {
+          if (j.schedule.kind === 'cron') cron = j.schedule.expr || '';
+          else if (j.schedule.kind === 'every') cron = 'every ' + j.schedule.every_secs + 's';
+          else if (j.schedule.kind === 'at') cron = 'at ' + (j.schedule.at || '');
+        }
+        return {
+          id: j.id,
+          name: j.name,
+          cron: cron,
+          agent_id: j.agent_id,
+          message: j.action ? j.action.message || '' : '',
+          enabled: j.enabled,
+          last_run: j.last_run,
+          next_run: j.next_run,
+          delivery: j.delivery ? j.delivery.kind || '' : '',
+          created_at: j.created_at
+        };
+      });
    },

    async loadTriggers() {
@@ -82,25 +103,20 @@ function schedulerPage() {
    async loadHistory() {
      this.historyLoading = true;
      try {
-        // Build history from jobs with run data + recent audit entries
        var historyItems = [];
-
-        // Add job run info from schedule data
        var jobs = this.jobs || [];
        for (var i = 0; i < jobs.length; i++) {
          var job = jobs[i];
          if (job.last_run) {
            historyItems.push({
              timestamp: job.last_run,
-              name: job.name || job.description || '(unnamed)',
+              name: job.name || '(unnamed)',
              type: 'schedule',
              status: 'completed',
-              run_count: job.run_count || 0
+              run_count: 0
            });
          }
        }
-
-        // Also load trigger fire counts
        var triggers = this.triggers || [];
        for (var j = 0; j < triggers.length; j++) {
          var t = triggers[j];
@@ -114,12 +130,9 @@ function schedulerPage() {
            });
          }
        }
-
-        // Sort by timestamp descending
        historyItems.sort(function(a, b) {
          return new Date(b.timestamp).getTime() - new Date(a.timestamp).getTime();
        });
-
        this.history = historyItems;
      } catch(e) {
        this.history = [];
@@ -141,13 +154,15 @@ function schedulerPage() {
      this.creating = true;
      try {
        var jobName = this.newJob.name;
-        await OpenFangAPI.post('/api/schedules', {
-          name: this.newJob.name,
-          cron: this.newJob.cron,
+        var body = {
          agent_id: this.newJob.agent_id,
-          message: this.newJob.message,
+          name: this.newJob.name,
+          schedule: { kind: 'cron', expr: this.newJob.cron },
+          action: { kind: 'agent_turn', message: this.newJob.message || 'Scheduled task: ' + this.newJob.name },
+          delivery: { kind: 'last_channel' },
          enabled: this.newJob.enabled
-        });
+        };
+        await OpenFangAPI.post('/api/cron/jobs', body);
        this.showCreateForm = false;
        this.newJob = { name: '', cron: '', agent_id: '', message: '', enabled: true };
        OpenFangToast.success('Schedule "' + jobName + '" created');
@@ -161,7 +176,7 @@ function schedulerPage() {
    async toggleJob(job) {
      try {
        var newState = !job.enabled;
-        await OpenFangAPI.put('/api/schedules/' + job.id, { enabled: newState });
+        await OpenFangAPI.put('/api/cron/jobs/' + job.id + '/enable', { enabled: newState });
        job.enabled = newState;
        OpenFangToast.success('Schedule ' + (newState ? 'enabled' : 'paused'));
      } catch(e) {
@@ -174,7 +189,7 @@ function schedulerPage() {
      var jobName = job.name || job.id;
      OpenFangToast.confirm('Delete Schedule', 'Delete "' + jobName + '"? This cannot be undone.', async function() {
        try {
-          await OpenFangAPI.del('/api/schedules/' + job.id);
+          await OpenFangAPI.del('/api/cron/jobs/' + job.id);
          self.jobs = self.jobs.filter(function(j) { return j.id !== job.id; });
          OpenFangToast.success('Schedule "' + jobName + '" deleted');
        } catch(e) {
@@ -189,19 +204,17 @@ function schedulerPage() {
        var result = await OpenFangAPI.post('/api/schedules/' + job.id + '/run', {});
        if (result.status === 'completed') {
          OpenFangToast.success('Schedule "' + (job.name || 'job') + '" executed successfully');
-          // Update the job's last_run locally
          job.last_run = new Date().toISOString();
-          job.run_count = (job.run_count || 0) + 1;
        } else {
          OpenFangToast.error('Schedule run failed: ' + (result.error || 'Unknown error'));
        }
      } catch(e) {
-        OpenFangToast.error('Failed to run schedule: ' + (e.message || e));
+        OpenFangToast.error('Run Now is not yet available for cron jobs');
      }
      this.runningJobId = '';
    },

-    // ── Trigger helpers (reused from workflows page) ──
+    // ── Trigger helpers ──

    triggerType(pattern) {
      if (!pattern) return 'unknown';
@@ -259,13 +272,16 @@ function schedulerPage() {
      for (var i = 0; i < agents.length; i++) {
        if (agents[i].id === agentId) return agents[i].name;
      }
-      // Truncate UUID
      if (agentId.length > 12) return agentId.substring(0, 8) + '...';
      return agentId;
    },

    describeCron(expr) {
      if (!expr) return '';
+      // Handle non-cron schedule descriptions
+      if (expr.indexOf('every ') === 0) return expr;
+      if (expr.indexOf('at ') === 0) return 'One-time: ' + expr.substring(3);
+
      var map = {
        '* * * * *': 'Every minute',
        '*/2 * * * *': 'Every 2 minutes',
@@ -291,7 +307,6 @@ function schedulerPage() {
      };
      if (map[expr]) return map[expr];

-      // Try to parse common patterns
      var parts = expr.split(' ');
      if (parts.length !== 5) return expr;

@@ -301,22 +316,26 @@ function schedulerPage() {
      var mon = parts[3];
      var dow = parts[4];

-      // "*/N * * * *" patterns
      if (min.indexOf('*/') === 0 && hour === '*' && dom === '*' && mon === '*' && dow === '*') {
        return 'Every ' + min.substring(2) + ' minutes';
      }
-      // "0 */N * * *" patterns
      if (min === '0' && hour.indexOf('*/') === 0 && dom === '*' && mon === '*' && dow === '*') {
        return 'Every ' + hour.substring(2) + ' hours';
      }
-      // "M H * * *" — daily at specific time
-      if (dom === '*' && mon === '*' && dow === '*' && min.match(/^\d+$/) && hour.match(/^\d+$/)) {
+
+      var dowNames = { '0': 'Sun', '1': 'Mon', '2': 'Tue', '3': 'Wed', '4': 'Thu', '5': 'Fri', '6': 'Sat', '7': 'Sun',
+                       '1-5': 'Weekdays', '0,6': 'Weekends', '6,0': 'Weekends' };
+
+      if (dom === '*' && mon === '*' && min.match(/^\d+$/) && hour.match(/^\d+$/)) {
        var h = parseInt(hour, 10);
        var m = parseInt(min, 10);
        var ampm = h >= 12 ? 'PM' : 'AM';
        var h12 = h === 0 ? 12 : (h > 12 ? h - 12 : h);
        var mStr = m < 10 ? '0' + m : '' + m;
-        return 'Daily at ' + h12 + ':' + mStr + ' ' + ampm;
+        var timeStr = h12 + ':' + mStr + ' ' + ampm;
+        if (dow === '*') return 'Daily at ' + timeStr;
+        var dowLabel = dowNames[dow] || ('DoW ' + dow);
+        return dowLabel + ' at ' + timeStr;
      }

      return expr;
@@ -340,7 +359,14 @@ function schedulerPage() {
      try {
        var diff = Date.now() - new Date(ts).getTime();
        if (isNaN(diff)) return 'never';
-        if (diff < 0) return 'just now';
+        if (diff < 0) {
+          // Future time
+          var absDiff = Math.abs(diff);
+          if (absDiff < 60000) return 'in <1m';
+          if (absDiff < 3600000) return 'in ' + Math.floor(absDiff / 60000) + 'm';
+          if (absDiff < 86400000) return 'in ' + Math.floor(absDiff / 3600000) + 'h';
+          return 'in ' + Math.floor(absDiff / 86400000) + 'd';
+        }
        if (diff < 60000) return 'just now';
        if (diff < 3600000) return Math.floor(diff / 60000) + 'm ago';
        if (diff < 86400000) return Math.floor(diff / 3600000) + 'h ago';
@@ -14,11 +14,18 @@ function settingsPage() {
    modelSearch: '',
    modelProviderFilter: '',
    modelTierFilter: '',
+    showCustomModelForm: false,
+    customModelId: '',
+    customModelProvider: 'openrouter',
+    customModelContext: 128000,
+    customModelMaxOutput: 8192,
+    customModelStatus: '',
    providerKeyInputs: {},
    providerUrlInputs: {},
    providerUrlSaving: {},
    providerTesting: {},
    providerTestResults: {},
+    copilotOAuth: { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 },
    loading: true,
    loadError: '',

@@ -212,8 +219,13 @@ function settingsPage() {
        this.providers = data.providers || [];
        for (var i = 0; i < this.providers.length; i++) {
          var p = this.providers[i];
-          if (p.is_local && p.base_url && !this.providerUrlInputs[p.id]) {
-            this.providerUrlInputs[p.id] = p.base_url;
+          if (p.is_local) {
+            if (!this.providerUrlInputs[p.id]) {
+              this.providerUrlInputs[p.id] = p.base_url || '';
+            }
+            if (this.providerUrlSaving[p.id] === undefined) {
+              this.providerUrlSaving[p.id] = false;
+            }
          }
        }
      } catch(e) { this.providers = []; }
@@ -226,6 +238,26 @@ function settingsPage() {
      } catch(e) { this.models = []; }
    },

+    async addCustomModel() {
+      var id = this.customModelId.trim();
+      if (!id) return;
+      this.customModelStatus = 'Adding...';
+      try {
+        await OpenFangAPI.post('/api/models/custom', {
+          id: id,
+          provider: this.customModelProvider || 'openrouter',
+          context_window: this.customModelContext || 128000,
+          max_output_tokens: this.customModelMaxOutput || 8192,
+        });
+        this.customModelStatus = 'Added!';
+        this.customModelId = '';
+        this.showCustomModelForm = false;
+        await this.loadModels();
+      } catch(e) {
+        this.customModelStatus = 'Error: ' + (e.message || 'Failed');
+      }
+    },
+
    async loadConfigSchema() {
      try {
        var results = await Promise.all([
@@ -368,6 +400,54 @@ function settingsPage() {
      }
    },

+    async startCopilotOAuth() {
+      this.copilotOAuth.polling = true;
+      this.copilotOAuth.userCode = '';
+      try {
+        var resp = await OpenFangAPI.post('/api/providers/github-copilot/oauth/start', {});
+        this.copilotOAuth.userCode = resp.user_code;
+        this.copilotOAuth.verificationUri = resp.verification_uri;
+        this.copilotOAuth.pollId = resp.poll_id;
+        this.copilotOAuth.interval = resp.interval || 5;
+        window.open(resp.verification_uri, '_blank');
+        this.pollCopilotOAuth();
+      } catch(e) {
+        OpenFangToast.error('Failed to start Copilot login: ' + e.message);
+        this.copilotOAuth.polling = false;
+      }
+    },
+
+    pollCopilotOAuth() {
+      var self = this;
+      setTimeout(async function() {
+        if (!self.copilotOAuth.pollId) return;
+        try {
+          var resp = await OpenFangAPI.get('/api/providers/github-copilot/oauth/poll/' + self.copilotOAuth.pollId);
+          if (resp.status === 'complete') {
+            OpenFangToast.success('GitHub Copilot authenticated successfully!');
+            self.copilotOAuth = { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 };
+            await self.loadProviders();
+            await self.loadModels();
+          } else if (resp.status === 'pending') {
+            if (resp.interval) self.copilotOAuth.interval = resp.interval;
+            self.pollCopilotOAuth();
+          } else if (resp.status === 'expired') {
+            OpenFangToast.error('Device code expired. Please try again.');
+            self.copilotOAuth = { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 };
+          } else if (resp.status === 'denied') {
+            OpenFangToast.error('Access denied by user.');
+            self.copilotOAuth = { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 };
+          } else {
+            OpenFangToast.error('OAuth error: ' + (resp.error || resp.status));
+            self.copilotOAuth = { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 };
+          }
+        } catch(e) {
+          OpenFangToast.error('Poll error: ' + e.message);
+          self.copilotOAuth = { polling: false, userCode: '', verificationUri: '', pollId: '', interval: 5 };
+        }
+      }, self.copilotOAuth.interval * 1000);
+    },
+
    async testProvider(provider) {
      this.providerTesting[provider.id] = true;
      this.providerTestResults[provider.id] = null;
@@ -27,5 +27,10 @@ sha2 = { workspace = true }
 base64 = { workspace = true }
 hex = { workspace = true }

+lettre = { workspace = true }
+imap = { workspace = true }
+native-tls = { workspace = true }
+mailparse = { workspace = true }
+
 [dev-dependencies]
 tokio-test = { workspace = true }
@@ -1,18 +1,32 @@
 //! Email channel adapter (IMAP + SMTP).
 //!
-//! Polls IMAP for new emails and sends responses via SMTP.
+//! Polls IMAP for new emails and sends responses via SMTP using `lettre`.
 //! Uses the subject line for agent routing (e.g., "\[coder\] Fix this bug").

 use crate::types::{ChannelAdapter, ChannelContent, ChannelMessage, ChannelType, ChannelUser};
 use async_trait::async_trait;
+use chrono::Utc;
+use dashmap::DashMap;
 use futures::Stream;
+use lettre::message::Mailbox;
+use lettre::transport::smtp::authentication::Credentials;
+use lettre::AsyncSmtpTransport;
+use lettre::AsyncTransport;
+use lettre::Tokio1Executor;
 use std::pin::Pin;
 use std::sync::Arc;
 use std::time::Duration;
 use tokio::sync::{mpsc, watch};
-use tracing::{debug, info};
+use tracing::{debug, error, info, warn};
 use zeroize::Zeroizing;

+/// Reply context for email threading (In-Reply-To / Subject continuity).
+#[derive(Debug, Clone)]
+struct ReplyCtx {
+    subject: String,
+    message_id: String,
+}
+
 /// Email channel adapter using IMAP for receiving and SMTP for sending.
 pub struct EmailAdapter {
    /// IMAP server host.
@@ -21,7 +35,7 @@ pub struct EmailAdapter {
    imap_port: u16,
    /// SMTP server host.
    smtp_host: String,
-    /// SMTP port (587 for STARTTLS).
+    /// SMTP port (587 for STARTTLS, 465 for implicit TLS).
    smtp_port: u16,
    /// Email address (used for both IMAP and SMTP).
    username: String,
@@ -36,6 +50,8 @@ pub struct EmailAdapter {
    /// Shutdown signal.
    shutdown_tx: Arc<watch::Sender<bool>>,
    shutdown_rx: watch::Receiver<bool>,
+    /// Tracks reply context per sender for email threading.
+    reply_ctx: Arc<DashMap<String, ReplyCtx>>,
 }

 impl EmailAdapter {
@@ -69,16 +85,17 @@ impl EmailAdapter {
            allowed_senders,
            shutdown_tx: Arc::new(shutdown_tx),
            shutdown_rx,
+            reply_ctx: Arc::new(DashMap::new()),
        }
    }

+    /// Check if a sender is in the allowlist (empty = allow all). Used in tests.
    #[allow(dead_code)]
    fn is_allowed_sender(&self, sender: &str) -> bool {
        self.allowed_senders.is_empty() || self.allowed_senders.iter().any(|s| sender.contains(s))
    }

    /// Extract agent name from subject line brackets, e.g., "[coder] Fix the bug" -> Some("coder")
-    #[allow(dead_code)]
    fn extract_agent_from_subject(subject: &str) -> Option<String> {
        let subject = subject.trim();
        if subject.starts_with('[') {
@@ -93,7 +110,6 @@ impl EmailAdapter {
    }

    /// Strip the agent tag from a subject line.
-    #[allow(dead_code)]
    fn strip_agent_tag(subject: &str) -> String {
        let subject = subject.trim();
        if subject.starts_with('[') {
@@ -103,6 +119,162 @@ impl EmailAdapter {
        }
        subject.to_string()
    }
+
+    /// Build an async SMTP transport for sending emails.
+    async fn build_smtp_transport(
+        &self,
+    ) -> Result<AsyncSmtpTransport<Tokio1Executor>, Box<dyn std::error::Error>> {
+        let creds =
+            Credentials::new(self.username.clone(), self.password.as_str().to_string());
+
+        let transport = if self.smtp_port == 465 {
+            // Implicit TLS (port 465)
+            AsyncSmtpTransport::<Tokio1Executor>::relay(&self.smtp_host)?
+                .port(self.smtp_port)
+                .credentials(creds)
+                .build()
+        } else {
+            // STARTTLS (port 587 or other)
+            AsyncSmtpTransport::<Tokio1Executor>::starttls_relay(&self.smtp_host)?
+                .port(self.smtp_port)
+                .credentials(creds)
+                .build()
+        };
+
+        Ok(transport)
+    }
+}
+
+/// Extract `user@domain` from a potentially formatted email string like `"Name <user@domain>"`.
+fn extract_email_addr(raw: &str) -> String {
+    let raw = raw.trim();
+    if let Some(start) = raw.find('<') {
+        if let Some(end) = raw.find('>') {
+            if end > start {
+                return raw[start + 1..end].trim().to_string();
+            }
+        }
+    }
+    raw.to_string()
+}
+
+/// Get a specific header value from a parsed email.
+fn get_header(parsed: &mailparse::ParsedMail<'_>, name: &str) -> Option<String> {
+    parsed
+        .headers
+        .iter()
+        .find(|h| h.get_key().eq_ignore_ascii_case(name))
+        .map(|h| h.get_value())
+}
+
+/// Extract the text/plain body from a parsed email (handles multipart).
+fn extract_text_body(parsed: &mailparse::ParsedMail<'_>) -> String {
+    if parsed.subparts.is_empty() {
+        return parsed.get_body().unwrap_or_default();
+    }
+    // Walk subparts looking for text/plain
+    for part in &parsed.subparts {
+        let ct = part.ctype.mimetype.to_lowercase();
+        if ct == "text/plain" {
+            return part.get_body().unwrap_or_default();
+        }
+    }
+    // Fallback: first subpart body
+    parsed
+        .subparts
+        .first()
+        .and_then(|p| p.get_body().ok())
+        .unwrap_or_default()
+}
+
+/// Fetch unseen emails from IMAP using blocking I/O.
+/// Returns a Vec of (from_addr, subject, message_id, body).
+fn fetch_unseen_emails(
+    host: &str,
+    port: u16,
+    username: &str,
+    password: &str,
+    folders: &[String],
+) -> Result<Vec<(String, String, String, String)>, String> {
+    let tls = native_tls::TlsConnector::builder()
+        .build()
+        .map_err(|e| format!("TLS connector error: {e}"))?;
+
+    let client = imap::connect((host, port), host, &tls)
+        .map_err(|e| format!("IMAP connect failed: {e}"))?;
+
+    let mut session = client
+        .login(username, password)
+        .map_err(|(e, _)| format!("IMAP login failed: {e}"))?;
+
+    let mut results = Vec::new();
+
+    for folder in folders {
+        if let Err(e) = session.select(folder) {
+            warn!(folder, error = %e, "IMAP SELECT failed, skipping folder");
+            continue;
+        }
+
+        let uids = match session.uid_search("UNSEEN") {
+            Ok(uids) => uids,
+            Err(e) => {
+                warn!(folder, error = %e, "IMAP SEARCH UNSEEN failed");
+                continue;
+            }
+        };
+
+        if uids.is_empty() {
+            debug!(folder, "No unseen emails");
+            continue;
+        }
+
+        // Fetch in batches of up to 50 to avoid huge responses
+        let uid_list: Vec<u32> = uids.into_iter().take(50).collect();
+        let uid_set: String = uid_list
+            .iter()
+            .map(|u| u.to_string())
+            .collect::<Vec<_>>()
+            .join(",");
+
+        let fetches = match session.uid_fetch(&uid_set, "RFC822") {
+            Ok(f) => f,
+            Err(e) => {
+                warn!(folder, error = %e, "IMAP FETCH failed");
+                continue;
+            }
+        };
+
+        for fetch in fetches.iter() {
+            let body_bytes = match fetch.body() {
+                Some(b) => b,
+                None => continue,
+            };
+
+            let parsed = match mailparse::parse_mail(body_bytes) {
+                Ok(p) => p,
+                Err(e) => {
+                    warn!(error = %e, "Failed to parse email");
+                    continue;
+                }
+            };
+
+            let from = get_header(&parsed, "From").unwrap_or_default();
+            let subject = get_header(&parsed, "Subject").unwrap_or_default();
+            let message_id = get_header(&parsed, "Message-ID").unwrap_or_default();
+            let text_body = extract_text_body(&parsed);
+
+            let from_addr = extract_email_addr(&from);
+            results.push((from_addr, subject, message_id, text_body));
+        }
+
+        // Mark fetched messages as Seen
+        if let Err(e) = session.uid_store(&uid_set, "+FLAGS (\\Seen)") {
+            warn!(error = %e, "Failed to mark emails as Seen");
+        }
+    }
+
+    let _ = session.logout();
+    Ok(results)
 }

 #[async_trait]
@@ -119,25 +291,23 @@ impl ChannelAdapter for EmailAdapter {
        &self,
    ) -> Result<Pin<Box<dyn Stream<Item = ChannelMessage> + Send>>, Box<dyn std::error::Error>>
    {
-        let (_tx, rx) = mpsc::channel::<ChannelMessage>(256);
+        let (tx, rx) = mpsc::channel::<ChannelMessage>(256);
        let poll_interval = self.poll_interval;
-        let _allowed_senders = self.allowed_senders.clone();
        let imap_host = self.imap_host.clone();
        let imap_port = self.imap_port;
-        let _username = self.username.clone();
-        let _password = self.password.clone();
-        let _folders = self.folders.clone();
+        let username = self.username.clone();
+        let password = self.password.clone();
+        let folders = self.folders.clone();
+        let allowed_senders = self.allowed_senders.clone();
        let mut shutdown_rx = self.shutdown_rx.clone();
+        let reply_ctx = self.reply_ctx.clone();

        info!(
-            "Starting email adapter (IMAP: {}:{}, polling every {:?})",
-            imap_host, imap_port, poll_interval
+            "Starting email adapter (IMAP: {}:{}, SMTP: {}:{}, polling every {:?})",
+            imap_host, imap_port, self.smtp_host, self.smtp_port, poll_interval
        );

        tokio::spawn(async move {
-            // Email polling is blocking I/O, so we'll use spawn_blocking
-            // For now, implement as a polling loop with placeholder
-            // Full IMAP implementation requires the `imap` crate
            loop {
                tokio::select! {
                    _ = shutdown_rx.changed() => {
@@ -147,14 +317,83 @@ impl ChannelAdapter for EmailAdapter {
                    _ = tokio::time::sleep(poll_interval) => {}
                }

-                // Placeholder: In a full implementation, this would:
-                // 1. Connect to IMAP server via TLS
-                // 2. Select each folder
-                // 3. Search for UNSEEN messages
-                // 4. Fetch and parse each message (From, Subject, Body)
-                // 5. Convert to ChannelMessage
-                // 6. Mark as seen
-                debug!("Email poll cycle (IMAP {}:{})", imap_host, imap_port);
+                // IMAP operations are blocking I/O — run in spawn_blocking
+                let host = imap_host.clone();
+                let port = imap_port;
+                let user = username.clone();
+                let pass = password.clone();
+                let fldrs = folders.clone();
+
+                let emails = tokio::task::spawn_blocking(move || {
+                    fetch_unseen_emails(&host, port, &user, pass.as_str(), &fldrs)
+                })
+                .await;
+
+                let emails = match emails {
+                    Ok(Ok(emails)) => emails,
+                    Ok(Err(e)) => {
+                        error!("IMAP poll error: {e}");
+                        continue;
+                    }
+                    Err(e) => {
+                        error!("IMAP spawn_blocking panic: {e}");
+                        continue;
+                    }
+                };
+
+                for (from_addr, subject, message_id, body) in emails {
+                    // Check allowed senders
+                    if !allowed_senders.is_empty()
+                        && !allowed_senders.iter().any(|s| from_addr.contains(s))
+                    {
+                        debug!(from = %from_addr, "Email from non-allowed sender, skipping");
+                        continue;
+                    }
+
+                    // Store reply context for threading
+                    if !message_id.is_empty() {
+                        reply_ctx.insert(
+                            from_addr.clone(),
+                            ReplyCtx {
+                                subject: subject.clone(),
+                                message_id: message_id.clone(),
+                            },
+                        );
+                    }
+
+                    // Extract target agent from subject brackets (stored in metadata for router)
+                    let _target_agent =
+                        EmailAdapter::extract_agent_from_subject(&subject);
+                    let clean_subject = EmailAdapter::strip_agent_tag(&subject);
+
+                    // Build the message body: prepend subject context
+                    let text = if clean_subject.is_empty() {
+                        body.trim().to_string()
+                    } else {
+                        format!("Subject: {clean_subject}\n\n{}", body.trim())
+                    };
+
+                    let msg = ChannelMessage {
+                        channel: ChannelType::Email,
+                        platform_message_id: message_id.clone(),
+                        sender: ChannelUser {
+                            platform_id: from_addr.clone(),
+                            display_name: from_addr.clone(),
+                            openfang_user: None,
+                        },
+                        content: ChannelContent::Text(text),
+                        target_agent: None, // Routing handled by bridge AgentRouter
+                        timestamp: Utc::now(),
+                        is_group: false,
+                        thread_id: None,
+                        metadata: std::collections::HashMap::new(),
+                    };
+
+                    if tx.send(msg).await.is_err() {
+                        info!("Email channel receiver dropped, stopping poll");
+                        return;
+                    }
+                }
            }
        });

@@ -168,22 +407,71 @@ impl ChannelAdapter for EmailAdapter {
    ) -> Result<(), Box<dyn std::error::Error>> {
        match content {
            ChannelContent::Text(text) => {
-                // Placeholder: In a full implementation, this would:
-                // 1. Build email (From, To, Subject, Body) using lettre
-                // 2. Connect to SMTP server via STARTTLS
-                // 3. Send the email
+                // Parse recipient address
+                let to_addr = extract_email_addr(&user.platform_id);
+                let to_mailbox: Mailbox = to_addr
+                    .parse()
+                    .map_err(|e| format!("Invalid recipient email '{}': {}", to_addr, e))?;
+
+                let from_mailbox: Mailbox = self
+                    .username
+                    .parse()
+                    .map_err(|e| format!("Invalid sender email '{}': {}", self.username, e))?;
+
+                // Extract subject from text body convention: "Subject: ...\n\n..."
+                let (subject, body) = if text.starts_with("Subject: ") {
+                    if let Some(pos) = text.find("\n\n") {
+                        let subj = text[9..pos].trim().to_string();
+                        let body = text[pos + 2..].to_string();
+                        (subj, body)
+                    } else {
+                        ("OpenFang Reply".to_string(), text)
+                    }
+                } else {
+                    // Check reply context for subject continuity
+                    let subj = self
+                        .reply_ctx
+                        .get(&to_addr)
+                        .map(|ctx| format!("Re: {}", ctx.subject))
+                        .unwrap_or_else(|| "OpenFang Reply".to_string());
+                    (subj, text)
+                };
+
+                // Build email message
+                let mut builder = lettre::Message::builder()
+                    .from(from_mailbox)
+                    .to(to_mailbox)
+                    .subject(&subject);
+
+                // Add In-Reply-To header for threading
+                if let Some(ctx) = self.reply_ctx.get(&to_addr) {
+                    if !ctx.message_id.is_empty() {
+                        builder = builder.in_reply_to(ctx.message_id.clone());
+                    }
+                }
+
+                let email = builder
+                    .body(body)
+                    .map_err(|e| format!("Failed to build email: {e}"))?;
+
+                // Send via SMTP
+                let transport = self.build_smtp_transport().await?;
+                transport
+                    .send(email)
+                    .await
+                    .map_err(|e| format!("SMTP send failed: {e}"))?;
+
                info!(
-                    "Would send email to {}: {} chars",
-                    user.platform_id,
-                    text.len()
-                );
-                debug!(
-                    "SMTP: {}:{} -> {}",
-                    self.smtp_host, self.smtp_port, user.platform_id
+                    to = %to_addr,
+                    subject = %subject,
+                    "Email sent successfully via SMTP"
                );
            }
            _ => {
-                info!("Unsupported email content type for {}", user.platform_id);
+                warn!(
+                    "Unsupported email content type for {}, only text is supported",
+                    user.platform_id
+                );
            }
        }
        Ok(())
@@ -274,4 +562,40 @@ mod tests {
        );
        assert_eq!(EmailAdapter::strip_agent_tag("No brackets"), "No brackets");
    }
+
+    #[test]
+    fn test_extract_email_addr() {
+        assert_eq!(
+            extract_email_addr("John Doe <john@example.com>"),
+            "john@example.com"
+        );
+        assert_eq!(extract_email_addr("user@example.com"), "user@example.com");
+        assert_eq!(extract_email_addr("<user@test.com>"), "user@test.com");
+    }
+
+    #[test]
+    fn test_subject_extraction_from_body() {
+        let text = "Subject: Test Subject\n\nThis is the body.";
+        assert!(text.starts_with("Subject: "));
+        let pos = text.find("\n\n").unwrap();
+        let subject = &text[9..pos];
+        let body = &text[pos + 2..];
+        assert_eq!(subject, "Test Subject");
+        assert_eq!(body, "This is the body.");
+    }
+
+    #[test]
+    fn test_reply_ctx_threading() {
+        let ctx_map: DashMap<String, ReplyCtx> = DashMap::new();
+        ctx_map.insert(
+            "user@test.com".to_string(),
+            ReplyCtx {
+                subject: "Original Subject".to_string(),
+                message_id: "<msg-123@test.com>".to_string(),
+            },
+        );
+        let ctx = ctx_map.get("user@test.com").unwrap();
+        assert_eq!(ctx.subject, "Original Subject");
+        assert_eq!(ctx.message_id, "<msg-123@test.com>");
+    }
 }
@@ -268,38 +268,48 @@ fn parse_mastodon_notification(
 fn strip_html_tags(html: &str) -> String {
    let mut result = String::with_capacity(html.len());
    let mut in_tag = false;
+    let mut tag_buf = String::new();

    for ch in html.chars() {
        match ch {
            '<' => {
                in_tag = true;
-                // Check if this is a <br> or </p> — insert newline
-                if html[result.len()..].starts_with("<br")
-                    || html[result.len()..].starts_with("</p")
+                tag_buf.clear();
+            }
+            '>' if in_tag => {
+                in_tag = false;
+                // Insert newline for block-level closing tags
+                let tag_lower = tag_buf.to_lowercase();
+                if tag_lower.starts_with("br")
+                    || tag_lower.starts_with("/p")
+                    || tag_lower.starts_with("/div")
+                    || tag_lower.starts_with("/li")
                {
                    result.push('\n');
                }
+                tag_buf.clear();
            }
-            '>' => {
-                in_tag = false;
+            _ if in_tag => {
+                tag_buf.push(ch);
            }
-            _ if !in_tag => {
+            _ => {
                result.push(ch);
            }
-            _ => {}
        }
    }

-    // Decode common HTML entities
-    result
+    // Decode HTML entities
+    let decoded = result
        .replace("&amp;", "&")
        .replace("&lt;", "<")
        .replace("&gt;", ">")
        .replace("&quot;", "\"")
        .replace("&#39;", "'")
        .replace("&apos;", "'")
-        .trim()
-        .to_string()
+        .replace("&#x27;", "'")
+        .replace("&nbsp;", " ");
+
+    decoded.trim().to_string()
 }

 #[async_trait]
@@ -577,6 +587,35 @@ mod tests {
        assert_eq!(strip_html_tags("plain text"), "plain text");
    }

+    #[test]
+    fn test_strip_html_tags_emoji() {
+        assert_eq!(
+            strip_html_tags("<p>Hello 🦀🔥 world</p>"),
+            "Hello 🦀🔥 world"
+        );
+    }
+
+    #[test]
+    fn test_strip_html_tags_cjk() {
+        assert_eq!(
+            strip_html_tags("<p>你好 <strong>世界</strong></p>"),
+            "你好 世界"
+        );
+    }
+
+    #[test]
+    fn test_strip_html_tags_numeric_entities() {
+        assert_eq!(strip_html_tags("&#39;hello&#39;"), "'hello'");
+    }
+
+    #[test]
+    fn test_strip_html_tags_div_newline() {
+        assert_eq!(
+            strip_html_tags("<div>one</div><div>two</div>").trim(),
+            "one\ntwo"
+        );
+    }
+
    #[test]
    fn test_parse_mastodon_notification_mention() {
        let notif = serde_json::json!({
@@ -278,8 +278,9 @@ pub fn split_message(text: &str, max_len: usize) -> Vec<&str> {
            chunks.push(remaining);
            break;
        }
-        // Try to split at a newline near the boundary
-        let split_at = remaining[..max_len].rfind('\n').unwrap_or(max_len);
+        // Try to split at a newline near the boundary (UTF-8 safe)
+        let safe_end = openfang_types::truncate_str(remaining, max_len).len();
+        let split_at = remaining[..safe_end].rfind('\n').unwrap_or(safe_end);
        let (chunk, rest) = remaining.split_at(split_at);
        chunks.push(chunk);
        // Skip the newline (and optional \r) we split on
@@ -73,6 +73,7 @@ const AFTER_HELP: &str = "\
  openfang doctor               Run diagnostic health checks
  openfang channel setup        Interactive channel setup wizard
  openfang cron list            List scheduled jobs
+  openfang uninstall            Completely remove OpenFang from your system

 \x1b[1;36mQuick Start:\x1b[0m
  1. openfang init              Set up config + API key
@@ -132,6 +133,9 @@ enum Commands {
    /// Manage channel integrations (setup, test, enable, disable) [*].
    #[command(subcommand)]
    Channel(ChannelCommands),
+    /// Manage hands (list, activate, deactivate, info) [*].
+    #[command(subcommand)]
+    Hand(HandCommands),
    /// Show or edit configuration (show, edit, get, set, keys) [*].
    #[command(subcommand)]
    Config(ConfigCommands),
@@ -276,6 +280,15 @@ enum Commands {
        #[arg(long)]
        confirm: bool,
    },
+    /// Completely uninstall OpenFang from your system.
+    Uninstall {
+        /// Skip confirmation prompt (also --yes).
+        #[arg(long, alias = "yes")]
+        confirm: bool,
+        /// Keep config files (config.toml, .env, secrets.env).
+        #[arg(long)]
+        keep_config: bool,
+    },
 }

 #[derive(Subcommand)]
@@ -371,6 +384,29 @@ enum ChannelCommands {
    },
 }

+#[derive(Subcommand)]
+enum HandCommands {
+    /// List all available hands.
+    List,
+    /// Show currently active hand instances.
+    Active,
+    /// Activate a hand by ID.
+    Activate {
+        /// Hand ID (e.g. "clip", "lead", "researcher").
+        id: String,
+    },
+    /// Deactivate an active hand instance.
+    Deactivate {
+        /// Hand ID.
+        id: String,
+    },
+    /// Show detailed info about a hand.
+    Info {
+        /// Hand ID.
+        id: String,
+    },
+}
+
 #[derive(Subcommand)]
 enum ConfigCommands {
    /// Show the current configuration.
@@ -439,6 +475,15 @@ enum AgentCommands {
        /// Agent ID (UUID).
        agent_id: String,
    },
+    /// Set an agent property (e.g., model).
+    Set {
+        /// Agent ID (UUID).
+        agent_id: String,
+        /// Field to set (model).
+        field: String,
+        /// New value.
+        value: String,
+    },
 }

 #[derive(Subcommand)]
@@ -803,6 +848,11 @@ fn main() {
            AgentCommands::List { json } => cmd_agent_list(cli.config, json),
            AgentCommands::Chat { agent_id } => cmd_agent_chat(cli.config, &agent_id),
            AgentCommands::Kill { agent_id } => cmd_agent_kill(cli.config, &agent_id),
+            AgentCommands::Set {
+                agent_id,
+                field,
+                value,
+            } => cmd_agent_set(&agent_id, &field, &value),
        },
        Some(Commands::Workflow(sub)) => match sub {
            WorkflowCommands::List => cmd_workflow_list(),
@@ -834,6 +884,13 @@ fn main() {
            ChannelCommands::Enable { channel } => cmd_channel_toggle(&channel, true),
            ChannelCommands::Disable { channel } => cmd_channel_toggle(&channel, false),
        },
+        Some(Commands::Hand(sub)) => match sub {
+            HandCommands::List => cmd_hand_list(),
+            HandCommands::Active => cmd_hand_active(),
+            HandCommands::Activate { id } => cmd_hand_activate(&id),
+            HandCommands::Deactivate { id } => cmd_hand_deactivate(&id),
+            HandCommands::Info { id } => cmd_hand_info(&id),
+        },
        Some(Commands::Config(sub)) => match sub {
            ConfigCommands::Show => cmd_config_show(),
            ConfigCommands::Edit => cmd_config_edit(),
@@ -922,6 +979,7 @@ fn main() {
            SystemCommands::Version { json } => cmd_system_version(json),
        },
        Some(Commands::Reset { confirm }) => cmd_reset(confirm),
+        Some(Commands::Uninstall { confirm, keep_config }) => cmd_uninstall(confirm, keep_config),
    }
 }

@@ -953,14 +1011,20 @@ pub(crate) fn restrict_dir_permissions(_path: &std::path::Path) {}
 pub(crate) fn find_daemon() -> Option<String> {
    let home_dir = dirs::home_dir()?.join(".openfang");
    let info = read_daemon_info(&home_dir)?;
-    let url = format!("http://{}/api/health", info.listen_addr);
+
+    // Normalize listen address: replace 0.0.0.0 with 127.0.0.1 to avoid
+    // DNS/connectivity issues on macOS where 0.0.0.0 can hang.
+    let addr = info.listen_addr.replace("0.0.0.0", "127.0.0.1");
+    let url = format!("http://{addr}/api/health");
+
    let client = reqwest::blocking::Client::builder()
+        .connect_timeout(std::time::Duration::from_secs(1))
        .timeout(std::time::Duration::from_secs(2))
        .build()
        .ok()?;
    let resp = client.get(&url).send().ok()?;
    if resp.status().is_success() {
-        Some(format!("http://{}", info.listen_addr))
+        Some(format!("http://{addr}"))
    } else {
        None
    }
@@ -1242,6 +1306,7 @@ fn write_config_if_missing(
            r#"# OpenFang Agent OS configuration
 # See https://github.com/RightNow-AI/openfang for documentation

+# For Docker, change to "0.0.0.0:4200" or set OPENFANG_LISTEN env var.
 api_listen = "127.0.0.1:4200"

 [default_model]
@@ -1577,6 +1642,38 @@ fn cmd_agent_kill(config: Option<PathBuf>, agent_id_str: &str) {
    }
 }

+fn cmd_agent_set(agent_id_str: &str, field: &str, value: &str) {
+    match field {
+        "model" => {
+            if let Some(base) = find_daemon() {
+                let client = daemon_client();
+                let body = daemon_json(
+                    client
+                        .put(format!("{base}/api/agents/{agent_id_str}/model"))
+                        .json(&serde_json::json!({"model": value}))
+                        .send(),
+                );
+                if body.get("status").is_some() {
+                    println!("Agent {agent_id_str} model set to {value}.");
+                } else {
+                    eprintln!(
+                        "Failed to set model: {}",
+                        body["error"].as_str().unwrap_or("Unknown error")
+                    );
+                    std::process::exit(1);
+                }
+            } else {
+                eprintln!("No running daemon found. Start one with: openfang start");
+                std::process::exit(1);
+            }
+        }
+        _ => {
+            eprintln!("Unknown field: {field}. Supported fields: model");
+            std::process::exit(1);
+        }
+    }
+}
+
 fn cmd_agent_new(config: Option<PathBuf>, template_name: Option<String>) {
    let all_templates = templates::load_all_templates();
    if all_templates.is_empty() {
@@ -1907,6 +2004,7 @@ fn cmd_doctor(json: bool, repair: bool) {
                let default_config = r#"# OpenFang Agent OS configuration
 # See https://github.com/RightNow-AI/openfang for documentation

+# For Docker, change to "0.0.0.0:4200" or set OPENFANG_LISTEN env var.
 api_listen = "127.0.0.1:4200"

 [default_model]
@@ -3692,6 +3790,168 @@ fn cmd_channel_toggle(channel: &str, enable: bool) {
    }
 }

+// ---------------------------------------------------------------------------
+// Hand commands
+// ---------------------------------------------------------------------------
+
+fn cmd_hand_list() {
+    let base = require_daemon("hand list");
+    let client = daemon_client();
+    let body = daemon_json(client.get(format!("{base}/api/hands")).send());
+    // API returns {"hands": [...]} or a bare array
+    let arr_val;
+    if let Some(arr) = body.get("hands").and_then(|v| v.as_array()) {
+        arr_val = arr.clone();
+    } else if let Some(arr) = body.as_array() {
+        arr_val = arr.clone();
+    } else {
+        println!(
+            "{}",
+            serde_json::to_string_pretty(&body).unwrap_or_default()
+        );
+        return;
+    }
+    if let Some(arr) = Some(&arr_val) {
+        if arr.is_empty() {
+            println!("No hands available.");
+            return;
+        }
+        println!(
+            "{:<14} {:<20} {:<10} DESCRIPTION",
+            "ID", "NAME", "CATEGORY"
+        );
+        println!("{}", "-".repeat(72));
+        for h in arr {
+            println!(
+                "{:<14} {:<20} {:<10} {}",
+                h["id"].as_str().unwrap_or("?"),
+                h["name"].as_str().unwrap_or("?"),
+                h["category"].as_str().unwrap_or("?"),
+                h["description"].as_str().unwrap_or("").chars().take(40).collect::<String>(),
+            );
+        }
+        println!("\nUse `openfang hand activate <id>` to activate a hand.");
+    }
+}
+
+fn cmd_hand_active() {
+    let base = require_daemon("hand active");
+    let client = daemon_client();
+    let body = daemon_json(client.get(format!("{base}/api/hands/active")).send());
+    // API returns {"instances": [...]} or bare array
+    let arr = body
+        .get("instances")
+        .and_then(|v| v.as_array())
+        .or_else(|| body.as_array())
+        .cloned()
+        .unwrap_or_default();
+    if arr.is_empty() {
+        println!("No active hands.");
+        return;
+    }
+    println!(
+        "{:<38} {:<14} {:<10} AGENT",
+        "INSTANCE", "HAND", "STATUS"
+    );
+    println!("{}", "-".repeat(72));
+    for i in &arr {
+        println!(
+            "{:<38} {:<14} {:<10} {}",
+            i["instance_id"].as_str().unwrap_or("?"),
+            i["hand_id"].as_str().unwrap_or("?"),
+            i["status"].as_str().unwrap_or("?"),
+            i["agent_name"].as_str().unwrap_or("?"),
+        );
+    }
+}
+
+fn cmd_hand_activate(id: &str) {
+    let base = require_daemon("hand activate");
+    let client = daemon_client();
+    let body = daemon_json(
+        client
+            .post(format!("{base}/api/hands/{id}/activate"))
+            .header("content-type", "application/json")
+            .body("{}")
+            .send(),
+    );
+    if body.get("instance_id").is_some() {
+        println!(
+            "Hand '{}' activated (instance: {}, agent: {})",
+            id,
+            body["instance_id"].as_str().unwrap_or("?"),
+            body["agent_name"].as_str().unwrap_or("?"),
+        );
+    } else {
+        eprintln!(
+            "Failed to activate hand '{}': {}",
+            id,
+            body["error"].as_str().unwrap_or("Unknown error")
+        );
+        std::process::exit(1);
+    }
+}
+
+fn cmd_hand_deactivate(id: &str) {
+    let base = require_daemon("hand deactivate");
+    let client = daemon_client();
+    // First find the instance ID for this hand
+    let active = daemon_json(client.get(format!("{base}/api/hands/active")).send());
+    let arr = active
+        .get("instances")
+        .and_then(|v| v.as_array())
+        .or_else(|| active.as_array())
+        .cloned()
+        .unwrap_or_default();
+    let instance_id = arr.iter().find_map(|i| {
+        if i["hand_id"].as_str() == Some(id) {
+            i["instance_id"].as_str().map(|s| s.to_string())
+        } else {
+            None
+        }
+    });
+
+    match instance_id {
+        Some(iid) => {
+            let body = daemon_json(
+                client
+                    .delete(format!("{base}/api/hands/instances/{iid}"))
+                    .send(),
+            );
+            if body.get("status").is_some() {
+                println!("Hand '{id}' deactivated.");
+            } else {
+                eprintln!(
+                    "Failed: {}",
+                    body["error"].as_str().unwrap_or("Unknown error")
+                );
+                std::process::exit(1);
+            }
+        }
+        None => {
+            eprintln!("No active instance found for hand '{id}'.");
+            std::process::exit(1);
+        }
+    }
+}
+
+fn cmd_hand_info(id: &str) {
+    let base = require_daemon("hand info");
+    let client = daemon_client();
+    let body = daemon_json(client.get(format!("{base}/api/hands/{id}")).send());
+    if body.get("error").is_some() {
+        eprintln!(
+            "Hand not found: {}",
+            body["error"].as_str().unwrap_or(id)
+        );
+        std::process::exit(1);
+    }
+    println!(
+        "{}",
+        serde_json::to_string_pretty(&body).unwrap_or_default()
+    );
+}
+
 // ---------------------------------------------------------------------------
 // Provider / API key helpers
 // ---------------------------------------------------------------------------
@@ -5528,6 +5788,358 @@ fn cmd_reset(confirm: bool) {
    }
 }

+// ---------------------------------------------------------------------------
+// Uninstall
+// ---------------------------------------------------------------------------
+
+fn cmd_uninstall(confirm: bool, keep_config: bool) {
+    let home = match dirs::home_dir() {
+        Some(h) => h,
+        None => {
+            ui::error("Could not determine home directory");
+            std::process::exit(1);
+        }
+    };
+    let openfang_dir = home.join(".openfang");
+    let exe_path = std::env::current_exe().ok();
+
+    // Step 1: Show what will be removed
+    println!();
+    println!(
+        "  {}",
+        "This will completely uninstall OpenFang from your system."
+            .bold()
+            .red()
+    );
+    println!();
+    if openfang_dir.exists() {
+        if keep_config {
+            println!(
+                "  • Remove data in {} (keeping config files)",
+                openfang_dir.display()
+            );
+        } else {
+            println!("  • Remove {}", openfang_dir.display());
+        }
+    }
+    if let Some(ref exe) = exe_path {
+        println!("  • Remove binary: {}", exe.display());
+    }
+    // Check cargo bin path
+    let cargo_bin = home.join(".cargo").join("bin").join(if cfg!(windows) {
+        "openfang.exe"
+    } else {
+        "openfang"
+    });
+    if cargo_bin.exists() && exe_path.as_ref().is_none_or(|e| *e != cargo_bin) {
+        println!("  • Remove cargo binary: {}", cargo_bin.display());
+    }
+    println!("  • Remove auto-start entries (if any)");
+    println!("  • Clean PATH from shell configs (if any)");
+    println!();
+
+    // Step 2: Confirm
+    if !confirm {
+        let answer = prompt_input("  Type 'uninstall' to confirm: ");
+        if answer.trim() != "uninstall" {
+            println!("  Cancelled.");
+            return;
+        }
+        println!();
+    }
+
+    // Step 3: Stop running daemon
+    if find_daemon().is_some() {
+        println!("  Stopping running daemon...");
+        cmd_stop();
+        // Give it a moment
+        std::thread::sleep(std::time::Duration::from_secs(1));
+        // Force kill if still alive
+        if find_daemon().is_some() {
+            if let Some(info) = read_daemon_info(&openfang_dir) {
+                force_kill_pid(info.pid);
+                let _ = std::fs::remove_file(openfang_dir.join("daemon.json"));
+            }
+        }
+    }
+
+    // Step 4: Remove auto-start entries
+    remove_autostart_entries(&home);
+
+    // Step 5: Clean PATH from shell configs
+    if let Some(ref exe) = exe_path {
+        if let Some(bin_dir) = exe.parent() {
+            clean_path_entries(&home, &bin_dir.to_string_lossy());
+        }
+    }
+
+    // Step 6: Remove ~/.openfang/ data
+    if openfang_dir.exists() {
+        if keep_config {
+            remove_dir_except_config(&openfang_dir);
+            ui::success("Removed data (kept config files)");
+        } else {
+            match std::fs::remove_dir_all(&openfang_dir) {
+                Ok(()) => ui::success(&format!("Removed {}", openfang_dir.display())),
+                Err(e) => ui::error(&format!(
+                    "Failed to remove {}: {e}",
+                    openfang_dir.display()
+                )),
+            }
+        }
+    }
+
+    // Step 7: Remove cargo bin copy if it exists and is separate from current exe
+    if cargo_bin.exists() && exe_path.as_ref().is_none_or(|e| *e != cargo_bin) {
+        match std::fs::remove_file(&cargo_bin) {
+            Ok(()) => ui::success(&format!("Removed {}", cargo_bin.display())),
+            Err(e) => ui::error(&format!(
+                "Failed to remove {}: {e}",
+                cargo_bin.display()
+            )),
+        }
+    }
+
+    // Step 8: Remove the binary itself (must be last)
+    if let Some(exe) = exe_path {
+        remove_self_binary(&exe);
+    }
+
+    println!();
+    ui::success("OpenFang has been uninstalled. Goodbye!");
+}
+
+/// Remove auto-start / launch-agent / systemd entries.
+#[allow(unused_variables)]
+fn remove_autostart_entries(home: &std::path::Path) {
+    #[cfg(windows)]
+    {
+        // Windows: remove from HKCU\Software\Microsoft\Windows\CurrentVersion\Run
+        let output = std::process::Command::new("reg")
+            .args([
+                "delete",
+                r"HKCU\Software\Microsoft\Windows\CurrentVersion\Run",
+                "/v",
+                "OpenFang",
+                "/f",
+            ])
+            .output();
+        match output {
+            Ok(o) if o.status.success() => {
+                ui::success("Removed Windows auto-start registry entry");
+            }
+            _ => {} // Entry didn't exist — that's fine
+        }
+    }
+
+    #[cfg(target_os = "macos")]
+    {
+        let plist = home.join("Library/LaunchAgents/ai.openfang.desktop.plist");
+        if plist.exists() {
+            // Unload first
+            let _ = std::process::Command::new("launchctl")
+                .args(["unload", &plist.to_string_lossy()])
+                .output();
+            match std::fs::remove_file(&plist) {
+                Ok(()) => ui::success("Removed macOS launch agent"),
+                Err(e) => ui::error(&format!("Failed to remove launch agent: {e}")),
+            }
+        }
+    }
+
+    #[cfg(target_os = "linux")]
+    {
+        let desktop_file = home.join(".config/autostart/OpenFang.desktop");
+        if desktop_file.exists() {
+            match std::fs::remove_file(&desktop_file) {
+                Ok(()) => ui::success("Removed Linux autostart entry"),
+                Err(e) => ui::error(&format!("Failed to remove autostart entry: {e}")),
+            }
+        }
+
+        // Also check for systemd user service
+        let service_file = home.join(".config/systemd/user/openfang.service");
+        if service_file.exists() {
+            let _ = std::process::Command::new("systemctl")
+                .args(["--user", "disable", "--now", "openfang.service"])
+                .output();
+            match std::fs::remove_file(&service_file) {
+                Ok(()) => {
+                    let _ = std::process::Command::new("systemctl")
+                        .args(["--user", "daemon-reload"])
+                        .output();
+                    ui::success("Removed systemd user service");
+                }
+                Err(e) => ui::error(&format!("Failed to remove systemd service: {e}")),
+            }
+        }
+    }
+}
+
+/// Remove lines from shell config files that add openfang to PATH.
+#[allow(unused_variables)]
+fn clean_path_entries(home: &std::path::Path, openfang_dir: &str) {
+    #[cfg(not(windows))]
+    {
+        let shell_files = [
+            home.join(".bashrc"),
+            home.join(".bash_profile"),
+            home.join(".profile"),
+            home.join(".zshrc"),
+            home.join(".config/fish/config.fish"),
+        ];
+
+        for path in &shell_files {
+            if !path.exists() {
+                continue;
+            }
+            let Ok(content) = std::fs::read_to_string(path) else {
+                continue;
+            };
+            let filtered: Vec<&str> = content
+                .lines()
+                .filter(|line| !is_openfang_path_line(line, openfang_dir))
+                .collect();
+            if filtered.len() < content.lines().count() {
+                let new_content = filtered.join("\n");
+                // Preserve trailing newline if original had one
+                let new_content = if content.ends_with('\n') {
+                    format!("{new_content}\n")
+                } else {
+                    new_content
+                };
+                if std::fs::write(path, &new_content).is_ok() {
+                    ui::success(&format!("Cleaned PATH from {}", path.display()));
+                }
+            }
+        }
+    }
+
+    #[cfg(windows)]
+    {
+        // Read User PATH via PowerShell, filter out openfang entries, write back
+        let output = std::process::Command::new("powershell")
+            .args([
+                "-NoProfile",
+                "-Command",
+                "[Environment]::GetEnvironmentVariable('PATH', 'User')",
+            ])
+            .output();
+        if let Ok(out) = output {
+            if out.status.success() {
+                let current = String::from_utf8_lossy(&out.stdout);
+                let current = current.trim();
+                if !current.is_empty() {
+                    let dir_lower = openfang_dir.to_lowercase();
+                    let filtered: Vec<&str> = current
+                        .split(';')
+                        .filter(|entry| {
+                            let e = entry.trim().to_lowercase();
+                            !e.is_empty() && !e.contains("openfang") && !e.contains(&dir_lower)
+                        })
+                        .collect();
+                    if filtered.len() < current.split(';').count() {
+                        let new_path = filtered.join(";");
+                        let ps_cmd = format!(
+                            "[Environment]::SetEnvironmentVariable('PATH', '{}', 'User')",
+                            new_path.replace('\'', "''")
+                        );
+                        let result = std::process::Command::new("powershell")
+                            .args(["-NoProfile", "-Command", &ps_cmd])
+                            .output();
+                        if result.is_ok_and(|o| o.status.success()) {
+                            ui::success("Cleaned PATH from Windows user environment");
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+/// Returns true if a shell config line is an openfang PATH export.
+/// Must match BOTH an openfang reference AND a PATH-setting pattern.
+#[cfg(any(not(windows), test))]
+fn is_openfang_path_line(line: &str, openfang_dir: &str) -> bool {
+    let lower = line.to_lowercase();
+    let has_openfang = lower.contains("openfang") || lower.contains(&openfang_dir.to_lowercase());
+    if !has_openfang {
+        return false;
+    }
+    // Match common PATH-setting patterns
+    lower.contains("export path=")
+        || lower.contains("export path =")
+        || lower.starts_with("path=")
+        || lower.contains("set -gx path")
+        || lower.contains("fish_add_path")
+}
+
+/// Remove everything in ~/.openfang/ except config files.
+fn remove_dir_except_config(openfang_dir: &std::path::Path) {
+    let keep = ["config.toml", ".env", "secrets.env"];
+    let Ok(entries) = std::fs::read_dir(openfang_dir) else {
+        return;
+    };
+    for entry in entries.flatten() {
+        let name = entry.file_name();
+        let name_str = name.to_string_lossy();
+        if keep.contains(&name_str.as_ref()) {
+            continue;
+        }
+        let path = entry.path();
+        if path.is_dir() {
+            let _ = std::fs::remove_dir_all(&path);
+        } else {
+            let _ = std::fs::remove_file(&path);
+        }
+    }
+}
+
+/// Remove the currently-running binary.
+fn remove_self_binary(exe_path: &std::path::Path) {
+    #[cfg(unix)]
+    {
+        // On Unix, running binaries can be unlinked — the OS keeps the inode
+        // alive until the process exits.
+        match std::fs::remove_file(exe_path) {
+            Ok(()) => ui::success(&format!("Removed {}", exe_path.display())),
+            Err(e) => ui::error(&format!(
+                "Failed to remove binary {}: {e}",
+                exe_path.display()
+            )),
+        }
+    }
+
+    #[cfg(windows)]
+    {
+        // Windows locks running executables. Rename first, then spawn a
+        // detached process that waits briefly and deletes the renamed file.
+        let old_path = exe_path.with_extension("exe.old");
+        if std::fs::rename(exe_path, &old_path).is_err() {
+            ui::error(&format!(
+                "Could not rename binary for deferred deletion: {}",
+                exe_path.display()
+            ));
+            return;
+        }
+
+        use std::os::windows::process::CommandExt;
+        const CREATE_NEW_PROCESS_GROUP: u32 = 0x0000_0200;
+        const DETACHED_PROCESS: u32 = 0x0000_0008;
+
+        let del_cmd = format!(
+            "ping -n 3 127.0.0.1 >nul & del /f /q \"{}\"",
+            old_path.display()
+        );
+        let _ = std::process::Command::new("cmd.exe")
+            .args(["/C", &del_cmd])
+            .creation_flags(CREATE_NEW_PROCESS_GROUP | DETACHED_PROCESS)
+            .spawn();
+
+        ui::success(&format!("Removed {} (deferred cleanup)", exe_path.display()));
+    }
+}
+
 #[cfg(test)]
 mod tests {

@@ -5652,4 +6264,44 @@ args = ["-y", "@modelcontextprotocol/server-github"]
        ];
        assert_eq!(events.len(), 4);
    }
+
+    // --- Uninstall command unit tests ---
+
+    #[test]
+    fn test_uninstall_path_line_filter() {
+        use super::is_openfang_path_line;
+        let dir = "/home/user/.openfang/bin";
+
+        // Should match: openfang PATH exports
+        assert!(is_openfang_path_line(
+            r#"export PATH="$HOME/.openfang/bin:$PATH""#,
+            dir
+        ));
+        assert!(is_openfang_path_line(
+            r#"export PATH="/home/user/.openfang/bin:$PATH""#,
+            dir
+        ));
+        assert!(is_openfang_path_line(
+            "set -gx PATH $HOME/.openfang/bin $PATH",
+            dir
+        ));
+        assert!(is_openfang_path_line(
+            "fish_add_path $HOME/.openfang/bin",
+            dir
+        ));
+
+        // Should NOT match: unrelated PATH exports
+        assert!(!is_openfang_path_line(
+            r#"export PATH="$HOME/.cargo/bin:$PATH""#,
+            dir
+        ));
+        assert!(!is_openfang_path_line(
+            r#"export PATH="/usr/local/bin:$PATH""#,
+            dir
+        ));
+
+        // Should NOT match: openfang lines that aren't PATH-related
+        assert!(!is_openfang_path_line("# openfang config", dir));
+        assert!(!is_openfang_path_line("alias of=openfang", dir));
+    }
 }
@@ -175,6 +175,7 @@ impl StandaloneChat {
                    self.chat.last_tokens =
                        Some((r.total_usage.input_tokens, r.total_usage.output_tokens));
                }
+                self.chat.last_cost_usd = r.cost_usd;
            }
            Err(e) => {
                self.chat.status_msg = Some(format!("Error: {e}"));
@@ -227,6 +228,7 @@ impl StandaloneChat {
        self.chat.thinking = true;
        self.chat.streaming_chars = 0;
        self.chat.last_tokens = None;
+        self.chat.last_cost_usd = None;
        self.chat.status_msg = None;

        match &self.backend {
@@ -189,6 +189,17 @@ pub enum AppEvent {
    AgentSkillsUpdated(String),
    /// Agent MCP servers updated.
    AgentMcpServersUpdated(String),
+    /// Comms topology loaded.
+    CommsTopologyLoaded {
+        nodes: Vec<super::screens::comms::CommsNode>,
+        edges: Vec<super::screens::comms::CommsEdge>,
+    },
+    /// Comms events loaded.
+    CommsEventsLoaded(Vec<super::screens::comms::CommsEventItem>),
+    /// Comms send result.
+    CommsSendResult(String),
+    /// Comms task post result.
+    CommsTaskResult(String),
 }

 /// Spawn the crossterm polling + tick thread. Returns sender + receiver.
@@ -1481,7 +1492,13 @@ pub fn spawn_browse_clawhub(backend: BackendRef, sort: String, tx: mpsc::Sender<
 }

 fn parse_clawhub_results(body: &serde_json::Value) -> Vec<ClawHubResult> {
-    body.as_array()
+    // API returns {"items": [...]} wrapper, fall back to bare array for compat
+    let items = body
+        .get("items")
+        .and_then(|v| v.as_array())
+        .or_else(|| body.as_array());
+
+    items
        .map(|arr| {
            arr.iter()
                .map(|r| ClawHubResult {
@@ -2592,3 +2609,176 @@ pub fn spawn_reconnect_extension(backend: BackendRef, id: String, tx: mpsc::Send
        }
    });
 }
+
+/// Fetch comms topology + events.
+pub fn spawn_fetch_comms(backend: BackendRef, tx: mpsc::Sender<AppEvent>) {
+    use super::screens::comms::{CommsEdge, CommsEventItem, CommsNode};
+
+    std::thread::spawn(move || match backend {
+        BackendRef::Daemon(base_url) => {
+            let client = daemon_client();
+            // Fetch topology
+            if let Ok(resp) = client.get(format!("{base_url}/api/comms/topology")).send() {
+                if let Ok(body) = resp.json::<serde_json::Value>() {
+                    let nodes: Vec<CommsNode> = body["nodes"]
+                        .as_array()
+                        .map(|arr| {
+                            arr.iter()
+                                .map(|n| CommsNode {
+                                    id: n["id"].as_str().unwrap_or("").to_string(),
+                                    name: n["name"].as_str().unwrap_or("").to_string(),
+                                    state: n["state"].as_str().unwrap_or("").to_string(),
+                                    model: n["model"].as_str().unwrap_or("").to_string(),
+                                })
+                                .collect()
+                        })
+                        .unwrap_or_default();
+                    let edges: Vec<CommsEdge> = body["edges"]
+                        .as_array()
+                        .map(|arr| {
+                            arr.iter()
+                                .map(|e| CommsEdge {
+                                    from: e["from"].as_str().unwrap_or("").to_string(),
+                                    to: e["to"].as_str().unwrap_or("").to_string(),
+                                    kind: e["kind"].as_str().unwrap_or("").to_string(),
+                                })
+                                .collect()
+                        })
+                        .unwrap_or_default();
+                    let _ = tx.send(AppEvent::CommsTopologyLoaded { nodes, edges });
+                }
+            }
+            // Fetch events
+            if let Ok(resp) = client
+                .get(format!("{base_url}/api/comms/events?limit=100"))
+                .send()
+            {
+                if let Ok(body) = resp.json::<serde_json::Value>() {
+                    let events: Vec<CommsEventItem> = body
+                        .as_array()
+                        .map(|arr| {
+                            arr.iter()
+                                .map(|e| CommsEventItem {
+                                    id: e["id"].as_str().unwrap_or("").to_string(),
+                                    timestamp: e["timestamp"].as_str().unwrap_or("").to_string(),
+                                    kind: e["kind"].as_str().unwrap_or("").to_string(),
+                                    source_name: e["source_name"]
+                                        .as_str()
+                                        .unwrap_or("")
+                                        .to_string(),
+                                    target_name: e["target_name"]
+                                        .as_str()
+                                        .unwrap_or("")
+                                        .to_string(),
+                                    detail: e["detail"].as_str().unwrap_or("").to_string(),
+                                })
+                                .collect()
+                        })
+                        .unwrap_or_default();
+                    let _ = tx.send(AppEvent::CommsEventsLoaded(events));
+                }
+            }
+        }
+        BackendRef::InProcess(_) => {
+            let _ = tx.send(AppEvent::CommsTopologyLoaded {
+                nodes: Vec::new(),
+                edges: Vec::new(),
+            });
+            let _ = tx.send(AppEvent::CommsEventsLoaded(Vec::new()));
+        }
+    });
+}
+
+/// Send a message between agents via comms endpoint.
+pub fn spawn_comms_send(
+    backend: BackendRef,
+    from: String,
+    to: String,
+    msg: String,
+    tx: mpsc::Sender<AppEvent>,
+) {
+    std::thread::spawn(move || match backend {
+        BackendRef::Daemon(base_url) => {
+            let client = daemon_client();
+            let body = serde_json::json!({
+                "from_agent_id": from,
+                "to_agent_id": to,
+                "message": msg,
+            });
+            match client
+                .post(format!("{base_url}/api/comms/send"))
+                .json(&body)
+                .send()
+            {
+                Ok(resp) => {
+                    if resp.status().is_success() {
+                        let _ = tx.send(AppEvent::CommsSendResult("Message sent".to_string()));
+                    } else {
+                        let err = resp
+                            .json::<serde_json::Value>()
+                            .ok()
+                            .and_then(|v| v["error"].as_str().map(String::from))
+                            .unwrap_or_else(|| "Send failed".to_string());
+                        let _ = tx.send(AppEvent::CommsSendResult(err));
+                    }
+                }
+                Err(e) => {
+                    let _ = tx.send(AppEvent::CommsSendResult(format!("Error: {e}")));
+                }
+            }
+        }
+        BackendRef::InProcess(_) => {
+            let _ = tx.send(AppEvent::CommsSendResult(
+                "Send not supported in-process".to_string(),
+            ));
+        }
+    });
+}
+
+/// Post a task via comms endpoint.
+pub fn spawn_comms_task(
+    backend: BackendRef,
+    title: String,
+    desc: String,
+    assign: String,
+    tx: mpsc::Sender<AppEvent>,
+) {
+    std::thread::spawn(move || match backend {
+        BackendRef::Daemon(base_url) => {
+            let client = daemon_client();
+            let mut body = serde_json::json!({
+                "title": title,
+                "description": desc,
+            });
+            if !assign.is_empty() {
+                body["assigned_to"] = serde_json::Value::String(assign);
+            }
+            match client
+                .post(format!("{base_url}/api/comms/task"))
+                .json(&body)
+                .send()
+            {
+                Ok(resp) => {
+                    if resp.status().is_success() {
+                        let _ = tx.send(AppEvent::CommsTaskResult("Task posted".to_string()));
+                    } else {
+                        let err = resp
+                            .json::<serde_json::Value>()
+                            .ok()
+                            .and_then(|v| v["error"].as_str().map(String::from))
+                            .unwrap_or_else(|| "Post failed".to_string());
+                        let _ = tx.send(AppEvent::CommsTaskResult(err));
+                    }
+                }
+                Err(e) => {
+                    let _ = tx.send(AppEvent::CommsTaskResult(format!("Error: {e}")));
+                }
+            }
+        }
+        BackendRef::InProcess(_) => {
+            let _ = tx.send(AppEvent::CommsTaskResult(
+                "Task post not supported in-process".to_string(),
+            ));
+        }
+    });
+}
@@ -12,8 +12,8 @@ use openfang_kernel::OpenFangKernel;
 use openfang_runtime::llm_driver::StreamEvent;
 use openfang_types::agent::AgentId;
 use screens::{
-    agents, audit, channels, chat, dashboard, extensions, hands, logs, memory, peers, security,
-    sessions, settings, skills, templates, triggers, usage, welcome, wizard, workflows,
+    agents, audit, channels, chat, comms, dashboard, extensions, hands, logs, memory, peers,
+    security, sessions, settings, skills, templates, triggers, usage, welcome, wizard, workflows,
 };
 use std::path::PathBuf;
 use std::sync::{mpsc, Arc};
@@ -53,6 +53,7 @@ enum Tab {
    Extensions,
    Templates,
    Peers,
+    Comms,
    Security,
    Audit,
    Usage,
@@ -74,6 +75,7 @@ const TABS: &[Tab] = &[
    Tab::Extensions,
    Tab::Templates,
    Tab::Peers,
+    Tab::Comms,
    Tab::Security,
    Tab::Audit,
    Tab::Usage,
@@ -97,6 +99,7 @@ impl Tab {
            Tab::Extensions => "Extensions",
            Tab::Templates => "Templates",
            Tab::Peers => "Peers",
+            Tab::Comms => "Comms",
            Tab::Security => "Security",
            Tab::Audit => "Audit",
            Tab::Usage => "Usage",
@@ -169,6 +172,7 @@ struct App {
    usage: usage::UsageState,
    settings: settings::SettingsState,
    peers: peers::PeersState,
+    comms: comms::CommsState,
    logs: logs::LogsState,

    kernel_booting: bool,
@@ -207,6 +211,7 @@ impl App {
            usage: usage::UsageState::new(),
            settings: settings::SettingsState::new(),
            peers: peers::PeersState::new(),
+            comms: comms::CommsState::new(),
            logs: logs::LogsState::new(),
            kernel_booting: false,
            kernel_boot_error: None,
@@ -504,6 +509,26 @@ impl App {
                }
                self.peers.loading = false;
            }
+            AppEvent::CommsTopologyLoaded { nodes, edges } => {
+                self.comms.nodes = nodes;
+                self.comms.edges = edges;
+                self.comms.loading = false;
+            }
+            AppEvent::CommsEventsLoaded(events) => {
+                self.comms.events = events;
+                if !self.comms.events.is_empty()
+                    && self.comms.event_list_state.selected().is_none()
+                {
+                    self.comms.event_list_state.select(Some(0));
+                }
+            }
+            AppEvent::CommsSendResult(msg) => {
+                self.comms.status_msg = msg;
+                self.refresh_comms();
+            }
+            AppEvent::CommsTaskResult(msg) => {
+                self.comms.status_msg = msg;
+            }
            AppEvent::LogsLoaded(entries) => {
                self.logs.entries = entries;
                self.logs.refilter();
@@ -845,6 +870,10 @@ impl App {
                    let action = self.peers.handle_key(key);
                    self.handle_peers_action(action);
                }
+                Tab::Comms => {
+                    let action = self.comms.handle_key(key);
+                    self.handle_comms_action(action);
+                }
                Tab::Logs => {
                    let action = self.logs.handle_key(key);
                    self.handle_logs_action(action);
@@ -876,6 +905,7 @@ impl App {
        self.usage.tick();
        self.settings.tick();
        self.peers.tick();
+        self.comms.tick();
        self.logs.tick();

        // Auto-poll for active tabs
@@ -883,6 +913,7 @@ impl App {
            match self.active_tab {
                Tab::Logs if self.logs.should_poll() => self.refresh_logs(),
                Tab::Peers if self.peers.should_poll() => self.refresh_peers(),
+                Tab::Comms if self.comms.should_poll() => self.refresh_comms(),
                _ => {}
            }
        }
@@ -932,6 +963,7 @@ impl App {
            Tab::Usage => self.refresh_usage(),
            Tab::Settings => self.refresh_settings_providers(),
            Tab::Peers => self.refresh_peers(),
+            Tab::Comms => self.refresh_comms(),
            Tab::Logs => self.refresh_logs(),
            Tab::Chat => {} // Chat doesn't need refresh on enter
        }
@@ -1089,6 +1121,13 @@ impl App {
        }
    }

+    fn refresh_comms(&mut self) {
+        if let Some(backend) = self.backend.to_ref() {
+            self.comms.loading = true;
+            event::spawn_fetch_comms(backend, self.event_tx.clone());
+        }
+    }
+
    fn refresh_logs(&mut self) {
        if let Some(backend) = self.backend.to_ref() {
            self.logs.loading = true;
@@ -1660,6 +1699,27 @@ impl App {
        }
    }

+    fn handle_comms_action(&mut self, action: comms::CommsAction) {
+        match action {
+            comms::CommsAction::Continue => {}
+            comms::CommsAction::Refresh => self.refresh_comms(),
+            comms::CommsAction::SendMessage { from, to, msg } => {
+                if let Some(backend) = self.backend.to_ref() {
+                    event::spawn_comms_send(backend, from, to, msg, self.event_tx.clone());
+                }
+            }
+            comms::CommsAction::PostTask {
+                title,
+                desc,
+                assign,
+            } => {
+                if let Some(backend) = self.backend.to_ref() {
+                    event::spawn_comms_task(backend, title, desc, assign, self.event_tx.clone());
+                }
+            }
+        }
+    }
+
    fn handle_logs_action(&mut self, action: logs::LogsAction) {
        match action {
            logs::LogsAction::Continue => {}
@@ -2029,6 +2089,7 @@ impl App {
                    Tab::Usage => usage::draw(frame, chunks[1], &mut self.usage),
                    Tab::Settings => settings::draw(frame, chunks[1], &mut self.settings),
                    Tab::Peers => peers::draw(frame, chunks[1], &mut self.peers),
+                    Tab::Comms => comms::draw(frame, chunks[1], &mut self.comms),
                    Tab::Logs => logs::draw(frame, chunks[1], &mut self.logs),
                }
            }
@@ -1524,6 +1524,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -341,6 +341,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -58,6 +58,8 @@ pub struct ChatState {
    pub scroll_offset: u16,
    /// Token usage from last response.
    pub last_tokens: Option<(u64, u64)>,
+    /// Cost in USD from last response.
+    pub last_cost_usd: Option<f64>,
    /// Characters received during current stream (~4 chars ≈ 1 token).
    pub streaming_chars: usize,
    /// Status message (errors, etc.)
@@ -90,6 +92,7 @@ impl ChatState {
            input: String::new(),
            scroll_offset: 0,
            last_tokens: None,
+            last_cost_usd: None,
            streaming_chars: 0,
            status_msg: None,
            staged_messages: Vec::new(),
@@ -107,6 +110,7 @@ impl ChatState {
        self.input.clear();
        self.scroll_offset = 0;
        self.last_tokens = None;
+        self.last_cost_usd = None;
        self.streaming_chars = 0;
        self.status_msg = None;
        self.staged_messages.clear();
@@ -547,11 +551,15 @@ fn draw_messages(f: &mut Frame, area: Rect, state: &ChatState) {
        )]));
    }

-    // Add token usage if available
+    // Add token usage and cost if available
    if let Some((input, output)) = state.last_tokens {
        if input > 0 || output > 0 {
+            let cost_str = match state.last_cost_usd {
+                Some(c) if c > 0.0 => format!(" | ${:.4}", c),
+                _ => String::new(),
+            };
            lines.push(Line::from(vec![Span::styled(
-                format!("  [tokens: {} in / {} out]", input, output),
+                format!("  [tokens: {} in / {} out{}]", input, output, cost_str),
                theme::dim_style(),
            )]));
        }
@@ -653,6 +661,6 @@ fn truncate_line(s: &str, max_len: usize) -> String {
    if s.len() <= max_len {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max_len.saturating_sub(1)])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max_len.saturating_sub(1)))
    }
 }
@@ -0,0 +1,763 @@
+//! Comms screen: Agent communication topology + live event feed.
+
+use crate::tui::theme;
+use ratatui::crossterm::event::{KeyCode, KeyEvent, KeyModifiers};
+use ratatui::layout::{Constraint, Layout, Rect};
+use ratatui::style::{Modifier, Style};
+use ratatui::text::{Line, Span};
+use ratatui::widgets::{Block, Borders, Clear, List, ListItem, ListState, Padding, Paragraph};
+use ratatui::Frame;
+
+// ── Data types ──────────────────────────────────────────────────────────────
+
+#[derive(Clone, Default)]
+pub struct CommsNode {
+    pub id: String,
+    pub name: String,
+    pub state: String,
+    pub model: String,
+}
+
+#[derive(Clone, Default)]
+pub struct CommsEdge {
+    pub from: String,
+    pub to: String,
+    pub kind: String, // "parent_child" or "peer"
+}
+
+#[derive(Clone, Default)]
+pub struct CommsEventItem {
+    /// Event ID — used by the dashboard for dedup, kept for wire compat.
+    #[allow(dead_code)]
+    pub id: String,
+    pub timestamp: String,
+    pub kind: String,
+    pub source_name: String,
+    pub target_name: String,
+    pub detail: String,
+}
+
+// ── State ───────────────────────────────────────────────────────────────────
+
+#[derive(Clone, Copy, PartialEq, Eq)]
+pub enum CommsFocus {
+    Topology,
+    EventList,
+}
+
+pub struct CommsState {
+    pub nodes: Vec<CommsNode>,
+    pub edges: Vec<CommsEdge>,
+    pub events: Vec<CommsEventItem>,
+    pub event_list_state: ListState,
+    pub focus: CommsFocus,
+    pub loading: bool,
+    pub tick: usize,
+    pub poll_tick: usize,
+    // Send modal
+    pub show_send_modal: bool,
+    pub send_from: String,
+    pub send_to: String,
+    pub send_msg: String,
+    pub send_field: usize,
+    // Task modal
+    pub show_task_modal: bool,
+    pub task_title: String,
+    pub task_desc: String,
+    pub task_assign: String,
+    pub task_field: usize,
+    // Status
+    pub status_msg: String,
+}
+
+pub enum CommsAction {
+    Continue,
+    Refresh,
+    SendMessage {
+        from: String,
+        to: String,
+        msg: String,
+    },
+    PostTask {
+        title: String,
+        desc: String,
+        assign: String,
+    },
+}
+
+impl CommsState {
+    pub fn new() -> Self {
+        Self {
+            nodes: Vec::new(),
+            edges: Vec::new(),
+            events: Vec::new(),
+            event_list_state: ListState::default(),
+            focus: CommsFocus::Topology,
+            loading: false,
+            tick: 0,
+            poll_tick: 0,
+            show_send_modal: false,
+            send_from: String::new(),
+            send_to: String::new(),
+            send_msg: String::new(),
+            send_field: 0,
+            show_task_modal: false,
+            task_title: String::new(),
+            task_desc: String::new(),
+            task_assign: String::new(),
+            task_field: 0,
+            status_msg: String::new(),
+        }
+    }
+
+    pub fn tick(&mut self) {
+        self.tick = self.tick.wrapping_add(1);
+        self.poll_tick = self.poll_tick.wrapping_add(1);
+    }
+
+    /// Auto-refresh every ~5s at 20fps tick rate.
+    pub fn should_poll(&self) -> bool {
+        self.poll_tick > 0 && self.poll_tick.is_multiple_of(100)
+    }
+
+    pub fn handle_key(&mut self, key: KeyEvent) -> CommsAction {
+        if key.code == KeyCode::Char('c') && key.modifiers.contains(KeyModifiers::CONTROL) {
+            return CommsAction::Continue;
+        }
+
+        // Modal key handling
+        if self.show_send_modal {
+            return self.handle_send_modal_key(key);
+        }
+        if self.show_task_modal {
+            return self.handle_task_modal_key(key);
+        }
+
+        match key.code {
+            KeyCode::Tab => {
+                self.focus = match self.focus {
+                    CommsFocus::Topology => CommsFocus::EventList,
+                    CommsFocus::EventList => CommsFocus::Topology,
+                };
+            }
+            KeyCode::Char('s') => {
+                self.show_send_modal = true;
+                self.send_from.clear();
+                self.send_to.clear();
+                self.send_msg.clear();
+                self.send_field = 0;
+            }
+            KeyCode::Char('t') => {
+                self.show_task_modal = true;
+                self.task_title.clear();
+                self.task_desc.clear();
+                self.task_assign.clear();
+                self.task_field = 0;
+            }
+            KeyCode::Char('r') => return CommsAction::Refresh,
+            KeyCode::Up | KeyCode::Char('k') => {
+                if self.focus == CommsFocus::EventList && !self.events.is_empty() {
+                    let i = self.event_list_state.selected().unwrap_or(0);
+                    let next = if i == 0 {
+                        self.events.len() - 1
+                    } else {
+                        i - 1
+                    };
+                    self.event_list_state.select(Some(next));
+                }
+            }
+            KeyCode::Down | KeyCode::Char('j') => {
+                if self.focus == CommsFocus::EventList && !self.events.is_empty() {
+                    let i = self.event_list_state.selected().unwrap_or(0);
+                    let next = (i + 1) % self.events.len();
+                    self.event_list_state.select(Some(next));
+                }
+            }
+            _ => {}
+        }
+        CommsAction::Continue
+    }
+
+    fn handle_send_modal_key(&mut self, key: KeyEvent) -> CommsAction {
+        match key.code {
+            KeyCode::Esc => {
+                self.show_send_modal = false;
+            }
+            KeyCode::Tab => {
+                self.send_field = (self.send_field + 1) % 3;
+            }
+            KeyCode::BackTab => {
+                self.send_field = if self.send_field == 0 {
+                    2
+                } else {
+                    self.send_field - 1
+                };
+            }
+            KeyCode::Enter => {
+                if !self.send_from.is_empty()
+                    && !self.send_to.is_empty()
+                    && !self.send_msg.is_empty()
+                {
+                    self.show_send_modal = false;
+                    return CommsAction::SendMessage {
+                        from: self.send_from.clone(),
+                        to: self.send_to.clone(),
+                        msg: self.send_msg.clone(),
+                    };
+                }
+            }
+            KeyCode::Char(c) => match self.send_field {
+                0 => self.send_from.push(c),
+                1 => self.send_to.push(c),
+                _ => self.send_msg.push(c),
+            },
+            KeyCode::Backspace => match self.send_field {
+                0 => {
+                    self.send_from.pop();
+                }
+                1 => {
+                    self.send_to.pop();
+                }
+                _ => {
+                    self.send_msg.pop();
+                }
+            },
+            _ => {}
+        }
+        CommsAction::Continue
+    }
+
+    fn handle_task_modal_key(&mut self, key: KeyEvent) -> CommsAction {
+        match key.code {
+            KeyCode::Esc => {
+                self.show_task_modal = false;
+            }
+            KeyCode::Tab => {
+                self.task_field = (self.task_field + 1) % 3;
+            }
+            KeyCode::BackTab => {
+                self.task_field = if self.task_field == 0 {
+                    2
+                } else {
+                    self.task_field - 1
+                };
+            }
+            KeyCode::Enter => {
+                if !self.task_title.is_empty() {
+                    self.show_task_modal = false;
+                    return CommsAction::PostTask {
+                        title: self.task_title.clone(),
+                        desc: self.task_desc.clone(),
+                        assign: self.task_assign.clone(),
+                    };
+                }
+            }
+            KeyCode::Char(c) => match self.task_field {
+                0 => self.task_title.push(c),
+                1 => self.task_desc.push(c),
+                _ => self.task_assign.push(c),
+            },
+            KeyCode::Backspace => match self.task_field {
+                0 => {
+                    self.task_title.pop();
+                }
+                1 => {
+                    self.task_desc.pop();
+                }
+                _ => {
+                    self.task_assign.pop();
+                }
+            },
+            _ => {}
+        }
+        CommsAction::Continue
+    }
+
+    // ── Topology helpers ─────────────────────────────────────────────────────
+
+    fn root_nodes(&self) -> Vec<&CommsNode> {
+        let child_ids: std::collections::HashSet<&str> = self
+            .edges
+            .iter()
+            .filter(|e| e.kind == "parent_child")
+            .map(|e| e.to.as_str())
+            .collect();
+        self.nodes
+            .iter()
+            .filter(|n| !child_ids.contains(n.id.as_str()))
+            .collect()
+    }
+
+    fn children_of(&self, id: &str) -> Vec<&CommsNode> {
+        let child_ids: Vec<&str> = self
+            .edges
+            .iter()
+            .filter(|e| e.kind == "parent_child" && e.from == id)
+            .map(|e| e.to.as_str())
+            .collect();
+        self.nodes
+            .iter()
+            .filter(|n| child_ids.contains(&n.id.as_str()))
+            .collect()
+    }
+
+    fn peers_of(&self, id: &str) -> Vec<&CommsNode> {
+        let peer_ids: std::collections::HashSet<&str> = self
+            .edges
+            .iter()
+            .filter(|e| e.kind == "peer")
+            .filter_map(|e| {
+                if e.from == id {
+                    Some(e.to.as_str())
+                } else if e.to == id {
+                    Some(e.from.as_str())
+                } else {
+                    None
+                }
+            })
+            .collect();
+        self.nodes
+            .iter()
+            .filter(|n| peer_ids.contains(n.id.as_str()))
+            .collect()
+    }
+}
+
+// ── Drawing ─────────────────────────────────────────────────────────────────
+
+pub fn draw(f: &mut Frame, area: Rect, state: &mut CommsState) {
+    let block = Block::default()
+        .title(Line::from(vec![Span::styled(
+            " Comms ",
+            theme::title_style(),
+        )]))
+        .borders(Borders::ALL)
+        .border_style(Style::default().fg(theme::ACCENT))
+        .padding(Padding::horizontal(1));
+
+    let inner = block.inner(area);
+    f.render_widget(block, area);
+
+    let chunks = Layout::vertical([
+        Constraint::Length(2),  // header
+        Constraint::Length(1),  // separator
+        Constraint::Percentage(35), // topology
+        Constraint::Length(1),  // separator
+        Constraint::Min(4),     // event list
+        Constraint::Length(1),  // hints
+    ])
+    .split(inner);
+
+    // Header
+    f.render_widget(
+        Paragraph::new(vec![
+            Line::from(vec![Span::styled(
+                format!(
+                    "  Agent Topology  ({} agents, {} edges)",
+                    state.nodes.len(),
+                    state.edges.len()
+                ),
+                Style::default()
+                    .fg(theme::CYAN)
+                    .add_modifier(Modifier::BOLD),
+            )]),
+            Line::from(""),
+        ]),
+        chunks[0],
+    );
+
+    // Separator
+    f.render_widget(
+        Paragraph::new(Line::from(Span::styled(
+            "\u{2500}".repeat(inner.width as usize),
+            theme::dim_style(),
+        ))),
+        chunks[1],
+    );
+
+    // Topology tree
+    draw_topology(f, chunks[2], state);
+
+    // Separator
+    let event_label = if state.focus == CommsFocus::EventList {
+        "  \u{25b6} Live Event Feed"
+    } else {
+        "    Live Event Feed"
+    };
+    f.render_widget(
+        Paragraph::new(Line::from(vec![
+            Span::styled(
+                event_label,
+                Style::default()
+                    .fg(theme::CYAN)
+                    .add_modifier(Modifier::BOLD),
+            ),
+            Span::styled(
+                format!("  ({} events)", state.events.len()),
+                theme::dim_style(),
+            ),
+        ])),
+        chunks[3],
+    );
+
+    // Event list
+    draw_event_list(f, chunks[4], state);
+
+    // Status message or hints
+    let hint_text = if !state.status_msg.is_empty() {
+        format!(
+            "  {} | [s]end  [t]ask  [r]efresh  [Tab] focus  [\u{2191}\u{2193}] scroll",
+            state.status_msg
+        )
+    } else {
+        "  [s]end  [t]ask  [r]efresh  [Tab] focus  [\u{2191}\u{2193}] scroll".to_string()
+    };
+    f.render_widget(
+        Paragraph::new(Line::from(Span::styled(hint_text, theme::hint_style()))),
+        chunks[5],
+    );
+
+    // Modal overlays
+    if state.show_send_modal {
+        draw_send_modal(f, area, state);
+    }
+    if state.show_task_modal {
+        draw_task_modal(f, area, state);
+    }
+}
+
+fn draw_topology(f: &mut Frame, area: Rect, state: &CommsState) {
+    if state.loading && state.nodes.is_empty() {
+        let spinner = theme::SPINNER_FRAMES[state.tick % theme::SPINNER_FRAMES.len()];
+        f.render_widget(
+            Paragraph::new(Line::from(vec![
+                Span::styled(format!("  {spinner} "), Style::default().fg(theme::CYAN)),
+                Span::styled("Loading topology\u{2026}", theme::dim_style()),
+            ])),
+            area,
+        );
+        return;
+    }
+
+    if state.nodes.is_empty() {
+        f.render_widget(
+            Paragraph::new(Span::styled(
+                "  No agents running.",
+                theme::dim_style(),
+            )),
+            area,
+        );
+        return;
+    }
+
+    let focus_highlight = state.focus == CommsFocus::Topology;
+    let mut lines = Vec::new();
+
+    for root in state.root_nodes() {
+        let state_style = state_color(&root.state);
+        let mut spans = vec![
+            Span::styled("  ", Style::default()),
+            Span::styled(format!("[{}]", &root.state), state_style),
+            Span::styled(
+                format!(" {} ", root.name),
+                Style::default()
+                    .fg(if focus_highlight {
+                        theme::CYAN
+                    } else {
+                        theme::TEXT
+                    })
+                    .add_modifier(Modifier::BOLD),
+            ),
+            Span::styled(format!("({})", root.model), theme::dim_style()),
+        ];
+        // Peer annotations
+        for peer in state.peers_of(&root.id) {
+            spans.push(Span::styled(
+                format!("  \u{2194} {}", peer.name),
+                Style::default().fg(theme::PURPLE),
+            ));
+        }
+        lines.push(Line::from(spans));
+
+        // Children
+        let children = state.children_of(&root.id);
+        for (i, child) in children.iter().enumerate() {
+            let branch = if i < children.len() - 1 {
+                "\u{251c}\u{2500}\u{2500} "
+            } else {
+                "\u{2514}\u{2500}\u{2500} "
+            };
+            lines.push(Line::from(vec![
+                Span::styled("    ", Style::default()),
+                Span::styled(branch, theme::dim_style()),
+                Span::styled(format!("[{}]", child.state), state_color(&child.state)),
+                Span::styled(format!(" {} ", child.name), Style::default().fg(theme::TEXT)),
+                Span::styled(format!("({})", child.model), theme::dim_style()),
+            ]));
+        }
+    }
+
+    f.render_widget(Paragraph::new(lines), area);
+}
+
+fn draw_event_list(f: &mut Frame, area: Rect, state: &mut CommsState) {
+    if state.events.is_empty() {
+        f.render_widget(
+            Paragraph::new(Span::styled(
+                "  No inter-agent events yet.",
+                theme::dim_style(),
+            )),
+            area,
+        );
+        return;
+    }
+
+    let items: Vec<ListItem> = state
+        .events
+        .iter()
+        .map(|ev| {
+            let kind_style = kind_color(&ev.kind);
+            let kind_label = kind_short(&ev.kind);
+            let target_part = if ev.target_name.is_empty() {
+                String::new()
+            } else {
+                format!(" \u{2192} {}", ev.target_name)
+            };
+            let detail = truncate(&ev.detail, 50);
+            ListItem::new(Line::from(vec![
+                Span::styled(
+                    format!("  {:<8}", short_time(&ev.timestamp)),
+                    theme::dim_style(),
+                ),
+                Span::styled(format!(" {:<10}", kind_label), kind_style),
+                Span::styled(
+                    format!(" {}", ev.source_name),
+                    Style::default()
+                        .fg(theme::CYAN)
+                        .add_modifier(Modifier::BOLD),
+                ),
+                Span::styled(target_part, Style::default().fg(theme::PURPLE)),
+                Span::styled(format!("  {detail}"), theme::dim_style()),
+            ]))
+        })
+        .collect();
+
+    let list = List::new(items)
+        .highlight_style(theme::selected_style())
+        .highlight_symbol("> ");
+    f.render_stateful_widget(list, area, &mut state.event_list_state);
+}
+
+fn draw_send_modal(f: &mut Frame, area: Rect, state: &CommsState) {
+    let modal = centered_rect(50, 12, area);
+    f.render_widget(Clear, modal);
+
+    let block = Block::default()
+        .title(Span::styled(" Send Message ", theme::title_style()))
+        .borders(Borders::ALL)
+        .border_style(Style::default().fg(theme::ACCENT))
+        .padding(Padding::uniform(1));
+    let inner = block.inner(modal);
+    f.render_widget(block, modal);
+
+    let rows = Layout::vertical([
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Min(0),
+    ])
+    .split(inner);
+
+    let field_style = |idx: usize| {
+        if state.send_field == idx {
+            Style::default()
+                .fg(theme::CYAN)
+                .add_modifier(Modifier::BOLD)
+        } else {
+            theme::dim_style()
+        }
+    };
+
+    f.render_widget(
+        Paragraph::new(Span::styled("From (agent ID):", field_style(0))),
+        rows[0],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.send_from),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[1],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled("To (agent ID):", field_style(1))),
+        rows[2],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.send_to),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[3],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled("Message:", field_style(2))),
+        rows[4],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.send_msg),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[5],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            "[Tab] field  [Enter] send  [Esc] cancel",
+            theme::hint_style(),
+        )),
+        rows[6],
+    );
+}
+
+fn draw_task_modal(f: &mut Frame, area: Rect, state: &CommsState) {
+    let modal = centered_rect(50, 12, area);
+    f.render_widget(Clear, modal);
+
+    let block = Block::default()
+        .title(Span::styled(" Post Task ", theme::title_style()))
+        .borders(Borders::ALL)
+        .border_style(Style::default().fg(theme::ACCENT))
+        .padding(Padding::uniform(1));
+    let inner = block.inner(modal);
+    f.render_widget(block, modal);
+
+    let rows = Layout::vertical([
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Length(1),
+        Constraint::Min(0),
+    ])
+    .split(inner);
+
+    let field_style = |idx: usize| {
+        if state.task_field == idx {
+            Style::default()
+                .fg(theme::CYAN)
+                .add_modifier(Modifier::BOLD)
+        } else {
+            theme::dim_style()
+        }
+    };
+
+    f.render_widget(
+        Paragraph::new(Span::styled("Title:", field_style(0))),
+        rows[0],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.task_title),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[1],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled("Description:", field_style(1))),
+        rows[2],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.task_desc),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[3],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled("Assign to (agent ID, optional):", field_style(2))),
+        rows[4],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            format!("  {}\u{2588}", &state.task_assign),
+            Style::default().fg(theme::TEXT),
+        )),
+        rows[5],
+    );
+    f.render_widget(
+        Paragraph::new(Span::styled(
+            "[Tab] field  [Enter] post  [Esc] cancel",
+            theme::hint_style(),
+        )),
+        rows[6],
+    );
+}
+
+// ── Helpers ─────────────────────────────────────────────────────────────────
+
+fn state_color(state: &str) -> Style {
+    match state {
+        "Running" => Style::default().fg(theme::GREEN),
+        "Suspended" => Style::default().fg(theme::YELLOW),
+        "Terminated" | "Crashed" => Style::default().fg(theme::RED),
+        _ => theme::dim_style(),
+    }
+}
+
+fn kind_color(kind: &str) -> Style {
+    match kind {
+        "agent_message" => Style::default().fg(theme::CYAN),
+        "agent_spawned" => Style::default().fg(theme::GREEN),
+        "agent_terminated" => Style::default().fg(theme::RED),
+        "task_posted" => Style::default().fg(theme::YELLOW),
+        "task_claimed" => Style::default().fg(theme::CYAN),
+        "task_completed" => Style::default().fg(theme::GREEN),
+        _ => theme::dim_style(),
+    }
+}
+
+fn kind_short(kind: &str) -> &str {
+    match kind {
+        "agent_message" => "MSG",
+        "agent_spawned" => "SPAWNED",
+        "agent_terminated" => "KILLED",
+        "task_posted" => "TASK+",
+        "task_claimed" => "CLAIM",
+        "task_completed" => "DONE",
+        _ => kind,
+    }
+}
+
+fn short_time(ts: &str) -> String {
+    // Extract HH:MM:SS from ISO-8601
+    if let Some(t_pos) = ts.find('T') {
+        let time_part = &ts[t_pos + 1..];
+        if time_part.len() >= 8 {
+            return time_part[..8].to_string();
+        }
+    }
+    ts.chars().take(8).collect()
+}
+
+fn truncate(s: &str, max: usize) -> String {
+    if s.len() <= max {
+        s.to_string()
+    } else {
+        format!(
+            "{}\u{2026}",
+            openfang_types::truncate_str(s, max.saturating_sub(1))
+        )
+    }
+}
+
+fn centered_rect(percent_x: u16, height: u16, area: Rect) -> Rect {
+    let w = area.width * percent_x / 100;
+    let x = area.x + (area.width.saturating_sub(w)) / 2;
+    let y = area.y + (area.height.saturating_sub(height)) / 2;
+    Rect::new(x, y, w, height.min(area.height))
+}
@@ -273,6 +273,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -535,7 +535,7 @@ fn draw_health(f: &mut Frame, area: Rect, state: &mut ExtensionsState) {
                let error_display = if h.last_error.is_empty() {
                    "\u{2014}".to_string()
                } else if h.last_error.len() > 30 {
-                    format!("{}...", &h.last_error[..27])
+                    format!("{}...", openfang_types::truncate_str(&h.last_error, 27))
                } else {
                    h.last_error.clone()
                };
@@ -436,9 +436,5 @@ fn draw_active(f: &mut Frame, area: Rect, state: &mut HandsState) {
 }

 fn truncate(s: &str, max: usize) -> &str {
-    if s.len() > max {
-        &s[..max]
-    } else {
-        s
-    }
+    openfang_types::truncate_str(s, max)
 }
@@ -408,7 +408,7 @@ impl State {

        for m in &models {
            match m.tier {
-                ModelTier::Fast | ModelTier::Local => {
+                ModelTier::Fast | ModelTier::Local | ModelTier::Custom => {
                    if fast.is_none() {
                        fast = Some(&m.id);
                    }
@@ -461,6 +461,7 @@ fn tier_label(tier: ModelTier) -> &'static str {
        ModelTier::Balanced => "balanced",
        ModelTier::Fast => "fast",
        ModelTier::Local => "local",
+        ModelTier::Custom => "custom",
    }
 }

@@ -405,6 +405,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -549,6 +549,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -1,6 +1,7 @@
 pub mod agents;
 pub mod audit;
 pub mod channels;
+pub mod comms;
 pub mod chat;
 pub mod dashboard;
 pub mod extensions;
@@ -208,6 +208,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -308,6 +308,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -604,7 +604,7 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }

@@ -612,7 +612,7 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }

@@ -399,6 +399,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -549,6 +549,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -439,6 +439,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -697,6 +697,6 @@ fn truncate(s: &str, max: usize) -> String {
    if s.len() <= max {
        s.to_string()
    } else {
-        format!("{}\u{2026}", &s[..max - 1])
+        format!("{}\u{2026}", openfang_types::truncate_str(s, max.saturating_sub(1)))
    }
 }
@@ -34,6 +34,7 @@ pub const PURPLE: Color = Color::Rgb(168, 85, 247); // #A855F7 — decorators

 pub const CYAN: Color = BLUE;
 pub const DIM: Color = TEXT_SECONDARY;
+pub const TEXT: Color = TEXT_PRIMARY;

 // ── Reusable styles ─────────────────────────────────────────────────────────

@@ -26,6 +26,32 @@ pub fn default_client_ids() -> HashMap<&'static str, &'static str> {
    m
 }

+/// Resolve OAuth client IDs with config overrides applied on top of defaults.
+pub fn resolve_client_ids(
+    config: &openfang_types::config::OAuthConfig,
+) -> HashMap<String, String> {
+    let defaults = default_client_ids();
+    let mut resolved: HashMap<String, String> = defaults
+        .into_iter()
+        .map(|(k, v)| (k.to_string(), v.to_string()))
+        .collect();
+
+    if let Some(ref id) = config.google_client_id {
+        resolved.insert("google".into(), id.clone());
+    }
+    if let Some(ref id) = config.github_client_id {
+        resolved.insert("github".into(), id.clone());
+    }
+    if let Some(ref id) = config.microsoft_client_id {
+        resolved.insert("microsoft".into(), id.clone());
+    }
+    if let Some(ref id) = config.slack_client_id {
+        resolved.insert("slack".into(), id.clone());
+    }
+
+    resolved
+}
+
 /// OAuth2 token response (raw from provider, for deserialization).
 #[derive(Debug, Serialize, Deserialize)]
 pub struct OAuthTokens {
@@ -333,4 +359,27 @@ mod tests {
        assert!(ids.contains_key("microsoft"));
        assert!(ids.contains_key("slack"));
    }
+
+    #[test]
+    fn resolve_client_ids_uses_defaults() {
+        let config = openfang_types::config::OAuthConfig::default();
+        let ids = resolve_client_ids(&config);
+        assert_eq!(ids["google"], "openfang-google-client-id");
+        assert_eq!(ids["github"], "openfang-github-client-id");
+    }
+
+    #[test]
+    fn resolve_client_ids_applies_overrides() {
+        let config = openfang_types::config::OAuthConfig {
+            google_client_id: Some("my-real-google-id".into()),
+            github_client_id: None,
+            microsoft_client_id: Some("my-msft-id".into()),
+            slack_client_id: None,
+        };
+        let ids = resolve_client_ids(&config);
+        assert_eq!(ids["google"], "my-real-google-id");
+        assert_eq!(ids["github"], "openfang-github-client-id"); // default
+        assert_eq!(ids["microsoft"], "my-msft-id");
+        assert_eq!(ids["slack"], "openfang-slack-client-id"); // default
+    }
 }
@@ -31,7 +31,6 @@ const SALT_LEN: usize = 16;
 /// Nonce length for AES-256-GCM.
 const NONCE_LEN: usize = 12;
 /// Magic bytes for vault file format versioning.
-#[allow(dead_code)]
 const VAULT_MAGIC: &[u8; 4] = b"OFV1";

 /// On-disk vault format (encrypted).
@@ -312,14 +311,34 @@ impl CredentialVault {
        if let Some(parent) = self.path.parent() {
            std::fs::create_dir_all(parent)?;
        }
-        std::fs::write(&self.path, content)?;
+
+        // Prepend OFV1 magic bytes for format detection
+        let mut output = Vec::with_capacity(VAULT_MAGIC.len() + content.len());
+        output.extend_from_slice(VAULT_MAGIC);
+        output.extend_from_slice(content.as_bytes());
+        std::fs::write(&self.path, output)?;
        Ok(())
    }

    /// Load and decrypt vault from disk.
    fn load(&mut self, master_key: &[u8; 32]) -> ExtensionResult<()> {
-        let content = std::fs::read_to_string(&self.path)?;
-        let vault_file: VaultFile = serde_json::from_str(&content)
+        let raw = std::fs::read(&self.path)?;
+
+        // Strip OFV1 magic header if present; legacy JSON files start with '{'
+        let content = if raw.starts_with(VAULT_MAGIC) {
+            std::str::from_utf8(&raw[VAULT_MAGIC.len()..])
+                .map_err(|e| ExtensionError::Vault(format!("UTF-8 decode failed: {e}")))?
+        } else if raw.first() == Some(&b'{') {
+            // Legacy JSON vault (no magic header)
+            std::str::from_utf8(&raw)
+                .map_err(|e| ExtensionError::Vault(format!("UTF-8 decode failed: {e}")))?
+        } else {
+            return Err(ExtensionError::Vault(
+                "Unrecognized vault file format".to_string(),
+            ));
+        };
+
+        let vault_file: VaultFile = serde_json::from_str(content)
            .map_err(|e| ExtensionError::Vault(format!("Vault file parse failed: {e}")))?;

        if vault_file.version != 1 {
@@ -590,4 +609,50 @@ mod tests {
        let k2 = derive_key(&master, &salt).unwrap();
        assert_eq!(k1.as_ref(), k2.as_ref());
    }
+
+    #[test]
+    fn vault_file_has_magic_header() {
+        let (_dir, mut vault) = test_vault();
+        let key = random_key();
+        vault.init_with_key(key).unwrap();
+
+        let raw = std::fs::read(&vault.path).unwrap();
+        assert_eq!(&raw[..4], b"OFV1");
+    }
+
+    #[test]
+    fn vault_legacy_json_compat() {
+        let (dir, mut vault) = test_vault();
+        let key = random_key();
+        vault.init_with_key(key.clone()).unwrap();
+        vault
+            .set("KEY".to_string(), Zeroizing::new("val".to_string()))
+            .unwrap();
+
+        // Strip the OFV1 magic header to simulate a legacy vault file
+        let raw = std::fs::read(&vault.path).unwrap();
+        assert_eq!(&raw[..4], b"OFV1");
+        std::fs::write(&vault.path, &raw[4..]).unwrap();
+
+        // Should still load (legacy compat)
+        let mut vault2 = CredentialVault::new(dir.path().join("vault.enc"));
+        vault2.unlock_with_key(key).unwrap();
+        assert_eq!(vault2.get("KEY").unwrap().as_str(), "val");
+    }
+
+    #[test]
+    fn vault_rejects_bad_magic() {
+        let (dir, mut vault) = test_vault();
+        let key = random_key();
+        vault.init_with_key(key.clone()).unwrap();
+
+        // Overwrite with unrecognized binary data
+        std::fs::write(&vault.path, b"BAAD not json").unwrap();
+
+        let mut vault2 = CredentialVault::new(dir.path().join("vault.enc"));
+        let result = vault2.unlock_with_key(key);
+        assert!(result.is_err());
+        let msg = format!("{:?}", result.unwrap_err());
+        assert!(msg.contains("Unrecognized vault file format"));
+    }
 }
@@ -230,6 +230,21 @@ impl HandRegistry {
            .collect())
    }

+    /// Update config for an active hand instance.
+    pub fn update_config(
+        &self,
+        instance_id: Uuid,
+        config: HashMap<String, serde_json::Value>,
+    ) -> HandResult<()> {
+        let mut entry = self
+            .instances
+            .get_mut(&instance_id)
+            .ok_or(HandError::InstanceNotFound(instance_id))?;
+        entry.config = config;
+        entry.updated_at = chrono::Utc::now();
+        Ok(())
+    }
+
    /// Mark an instance as errored.
    pub fn set_error(&self, instance_id: Uuid, message: String) -> HandResult<()> {
        let mut entry = self
@@ -32,6 +32,7 @@ subtle = { workspace = true }
 rand = { workspace = true }
 hex = { workspace = true }
 reqwest = { workspace = true }
+cron = "0.15"

 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
@@ -181,6 +181,7 @@ mod tests {
            require_approval: vec!["file_write".to_string(), "file_delete".to_string()],
            timeout_secs: 30,
            auto_approve_autonomous: false,
+            auto_approve: false,
        };
        let mgr = ApprovalManager::new(policy);
        assert!(mgr.requires_approval("file_write"));
@@ -258,6 +259,7 @@ mod tests {
            require_approval: vec!["file_write".to_string()],
            timeout_secs: 120,
            auto_approve_autonomous: true,
+            auto_approve: false,
        };
        mgr.update_policy(new_policy);

@@ -222,16 +222,24 @@ impl CronScheduler {
    }

    /// Return jobs whose `next_run` is at or before `now` and are enabled.
+    ///
+    /// **Important**: This also pre-advances each due job's `next_run` to the
+    /// next scheduled time. This prevents the same job from being returned as
+    /// "due" on subsequent tick iterations while it's still executing.
    pub fn due_jobs(&self) -> Vec<CronJob> {
        let now = Utc::now();
-        self.jobs
-            .iter()
-            .filter(|r| {
-                let meta = r.value();
-                meta.job.enabled && meta.job.next_run.map(|t| t <= now).unwrap_or(false)
-            })
-            .map(|r| r.value().job.clone())
-            .collect()
+        let mut due = Vec::new();
+        for mut entry in self.jobs.iter_mut() {
+            let meta = entry.value_mut();
+            if meta.job.enabled && meta.job.next_run.map(|t| t <= now).unwrap_or(false) {
+                due.push(meta.job.clone());
+                // Pre-advance next_run so the job won't fire again on the next
+                // tick while it's still executing. Use `now` as the base so the
+                // next fire time is computed strictly after the current moment.
+                meta.job.next_run = Some(compute_next_run_after(&meta.job.schedule, now));
+            }
+        }
+        due
    }

    // -- Outcome recording --------------------------------------------------
@@ -247,12 +255,9 @@ impl CronScheduler {
                meta.job.last_run = Some(Utc::now());
                meta.last_status = Some("ok".to_string());
                meta.consecutive_errors = 0;
-                if meta.one_shot {
-                    true
-                } else {
-                    meta.job.next_run = Some(compute_next_run(&meta.job.schedule));
-                    false
-                }
+                // one_shot jobs get removed; recurring jobs keep the next_run
+                // already pre-advanced by due_jobs() — no recompute needed.
+                meta.one_shot
            } else {
                return;
            }
@@ -269,7 +274,10 @@ impl CronScheduler {
    pub fn record_failure(&self, id: CronJobId, error_msg: &str) {
        if let Some(mut meta) = self.jobs.get_mut(&id) {
            meta.job.last_run = Some(Utc::now());
-            meta.last_status = Some(format!("error: {}", &error_msg[..error_msg.len().min(256)]));
+            meta.last_status = Some(format!(
+                "error: {}",
+                openfang_types::truncate_str(error_msg, 256)
+            ));
            meta.consecutive_errors += 1;
            if meta.consecutive_errors >= MAX_CONSECUTIVE_ERRORS {
                warn!(
@@ -279,7 +287,8 @@ impl CronScheduler {
                );
                meta.job.enabled = false;
            } else {
-                meta.job.next_run = Some(compute_next_run(&meta.job.schedule));
+                meta.job.next_run =
+                    Some(compute_next_run_after(&meta.job.schedule, Utc::now()));
            }
        }
    }
@@ -289,20 +298,58 @@ impl CronScheduler {
 // compute_next_run
 // ---------------------------------------------------------------------------

-/// Compute the next fire time for a schedule.
+/// Compute the next fire time for a schedule, based on `now`.
 ///
 /// - `At { at }` — returns `at` directly.
 /// - `Every { every_secs }` — returns `now + every_secs`.
-/// - `Cron { .. }` — returns 60 seconds from now (placeholder until a cron
-///   expression parser is added).
+/// - `Cron { expr, tz }` — parses the cron expression and computes the next
+///   matching time. Supports standard 5-field (`min hour dom month dow`) and
+///   6-field (`sec min hour dom month dow`) formats by converting to the
+///   7-field format required by the `cron` crate.
 pub fn compute_next_run(schedule: &CronSchedule) -> chrono::DateTime<Utc> {
+    compute_next_run_after(schedule, Utc::now())
+}
+
+/// Compute the next fire time for a schedule, strictly after `after`.
+///
+/// Uses `after + 1 second` as the base time so the `cron` crate's
+/// inclusive `.after()` always returns a strictly future time. Without
+/// this offset, calling `compute_next_run` right after a job fires can
+/// return the same minute (or even the same second), causing the
+/// scheduler to re-fire immediately.
+pub fn compute_next_run_after(
+    schedule: &CronSchedule,
+    after: chrono::DateTime<Utc>,
+) -> chrono::DateTime<Utc> {
    match schedule {
        CronSchedule::At { at } => *at,
-        CronSchedule::Every { every_secs } => Utc::now() + Duration::seconds(*every_secs as i64),
-        CronSchedule::Cron { .. } => {
-            // Placeholder: real cron parsing will be added when the `cron`
-            // crate is brought in. For now, fire 60 seconds from now.
-            Utc::now() + Duration::seconds(60)
+        CronSchedule::Every { every_secs } => after + Duration::seconds(*every_secs as i64),
+        CronSchedule::Cron { expr, tz: _ } => {
+            // Convert standard 5/6-field cron to 7-field for the `cron` crate.
+            // Standard 5-field: min hour dom month dow
+            // 6-field:          sec min hour dom month dow
+            // cron crate:       sec min hour dom month dow year
+            let trimmed = expr.trim();
+            let fields: Vec<&str> = trimmed.split_whitespace().collect();
+            let seven_field = match fields.len() {
+                5 => format!("0 {trimmed} *"),
+                6 => format!("{trimmed} *"),
+                _ => expr.clone(),
+            };
+
+            // Add 1 second so `.after()` (inclusive) skips the current second.
+            let base = after + Duration::seconds(1);
+
+            match seven_field.parse::<cron::Schedule>() {
+                Ok(sched) => sched
+                    .after(&base)
+                    .next()
+                    .unwrap_or_else(|| after + Duration::hours(1)),
+                Err(e) => {
+                    warn!("Failed to parse cron expression '{}': {}", expr, e);
+                    after + Duration::hours(1)
+                }
+            }
        }
    }
 }
@@ -655,22 +702,72 @@ mod tests {
    }

    #[test]
-    fn test_compute_next_run_cron_placeholder() {
-        let before = Utc::now();
+    fn test_compute_next_run_cron_daily() {
+        let now = Utc::now();
        let schedule = CronSchedule::Cron {
            expr: "0 9 * * *".into(),
            tz: None,
        };
        let next = compute_next_run(&schedule);
-        let after = Utc::now();

-        // Placeholder returns ~60s from now
-        assert!(next >= before + Duration::seconds(59));
-        assert!(next <= after + Duration::seconds(61));
+        // Should be within the next 24 hours (next 09:00 UTC)
+        assert!(next > now);
+        assert!(next <= now + Duration::hours(24));
+        assert_eq!(next.format("%M").to_string(), "00");
+        assert_eq!(next.format("%H").to_string(), "09");
+    }
+
+    #[test]
+    fn test_compute_next_run_cron_with_dow() {
+        let now = Utc::now();
+        let schedule = CronSchedule::Cron {
+            expr: "30 14 * * 1-5".into(),
+            tz: None,
+        };
+        let next = compute_next_run(&schedule);
+
+        // Should be within the next 7 days and at 14:30
+        assert!(next > now);
+        assert!(next <= now + Duration::days(7));
+        assert_eq!(next.format("%H:%M").to_string(), "14:30");
+    }
+
+    #[test]
+    fn test_compute_next_run_cron_invalid_expr() {
+        let now = Utc::now();
+        let schedule = CronSchedule::Cron {
+            expr: "not a cron".into(),
+            tz: None,
+        };
+        let next = compute_next_run(&schedule);
+        // Invalid expression falls back to 1 hour from now
+        assert!(next > now + Duration::minutes(59));
+        assert!(next <= now + Duration::minutes(61));
    }

    // -- error message truncation in record_failure -------------------------

+    #[test]
+    fn test_compute_next_run_after_skips_current_second() {
+        // A "every 4 hours" cron: next_run should be >= 4 hours from now,
+        // not in the same minute (the bug from #55).
+        let schedule = CronSchedule::Cron {
+            expr: "0 */4 * * *".into(),
+            tz: None,
+        };
+        let now = Utc::now();
+        let next = compute_next_run_after(&schedule, now);
+        // Must be strictly after `now` and at least ~1 hour away
+        // (the closest 4-hourly boundary is at least minutes away).
+        assert!(next > now, "next_run should be strictly after now");
+        let diff = next - now;
+        assert!(
+            diff.num_minutes() >= 1,
+            "Expected next_run at least 1 min away, got {} seconds",
+            diff.num_seconds()
+        );
+    }
+
    #[test]
    fn test_record_failure_truncates_long_error() {
        let (sched, _tmp) = make_scheduler(100);
@@ -14,7 +14,9 @@ use crate::triggers::{TriggerEngine, TriggerId, TriggerPattern};
 use crate::workflow::{StepAgent, Workflow, WorkflowEngine, WorkflowId, WorkflowRunId};

 use openfang_memory::MemorySubstrate;
-use openfang_runtime::agent_loop::{run_agent_loop, run_agent_loop_streaming, AgentLoopResult};
+use openfang_runtime::agent_loop::{
+    run_agent_loop, run_agent_loop_streaming, strip_provider_prefix, AgentLoopResult,
+};
 use openfang_runtime::audit::AuditLog;
 use openfang_runtime::drivers;
 use openfang_runtime::kernel_handle::{self, KernelHandle};
@@ -127,6 +129,8 @@ pub struct OpenFangKernel {
    pub booted_at: std::time::Instant,
    /// WhatsApp Web gateway child process PID (for shutdown cleanup).
    pub whatsapp_gateway_pid: Arc<std::sync::Mutex<Option<u32>>>,
+    /// Channel adapters registered at bridge startup (for proactive `channel_send` tool).
+    pub channel_adapters: dashmap::DashMap<String, Arc<dyn openfang_channels::types::ChannelAdapter>>,
    /// Weak self-reference for trigger dispatch (set after Arc wrapping).
    self_handle: OnceLock<Weak<OpenFangKernel>>,
 }
@@ -411,12 +415,8 @@ fn append_daily_memory_log(workspace: &Path, response: &str) {
            return;
        }
    }
-    // Truncate long responses for the log
-    let summary = if trimmed.len() > 500 {
-        &trimmed[..500]
-    } else {
-        trimmed
-    };
+    // Truncate long responses for the log (UTF-8 safe)
+    let summary = openfang_types::truncate_str(trimmed, 500);
    let timestamp = chrono::Utc::now().format("%H:%M:%S").to_string();
    if let Ok(mut f) = std::fs::OpenOptions::new()
        .create(true)
@@ -448,7 +448,7 @@ fn read_identity_file(workspace: &Path, filename: &str) -> Option<String> {
        return None;
    }
    if content.len() > MAX_IDENTITY_FILE_BYTES {
-        Some(content[..MAX_IDENTITY_FILE_BYTES].to_string())
+        Some(openfang_types::truncate_str(&content, MAX_IDENTITY_FILE_BYTES).to_string())
    } else {
        Some(content)
    }
@@ -485,6 +485,11 @@ impl OpenFangKernel {
    pub fn boot_with_config(mut config: KernelConfig) -> KernelResult<Self> {
        use openfang_types::config::KernelMode;

+        // Env var overrides — useful for Docker where config.toml is baked in.
+        if let Ok(listen) = std::env::var("OPENFANG_LISTEN") {
+            config.api_listen = listen;
+        }
+
        // Clamp configuration bounds to prevent zero-value or unbounded misconfigs
        config.clamp_bounds();

@@ -600,6 +605,9 @@ impl OpenFangKernel {
                config.provider_urls.len()
            );
        }
+        // Load user's custom models from ~/.openfang/custom_models.json
+        let custom_models_path = config.home_dir.join("custom_models.json");
+        model_catalog.load_custom_models(&custom_models_path);
        let available_count = model_catalog.available_models().len();
        let total_count = model_catalog.list_models().len();
        let local_count = model_catalog
@@ -874,6 +882,7 @@ impl OpenFangKernel {
            peer_node: None,
            booted_at: std::time::Instant::now(),
            whatsapp_gateway_pid: Arc::new(std::sync::Mutex::new(None)),
+            channel_adapters: dashmap::DashMap::new(),
            self_handle: OnceLock::new(),
        };

@@ -903,6 +912,29 @@ impl OpenFangKernel {
                        restored_entry.manifest.exec_policy =
                            Some(kernel.config.exec_policy.clone());
                    }
+
+                    // Apply global budget defaults to restored agents
+                    apply_budget_defaults(
+                        &kernel.config.budget,
+                        &mut restored_entry.manifest.resources,
+                    );
+
+                    // Apply default_model to restored agents (same logic as spawn)
+                    if restored_entry.manifest.model.api_key_env.is_none()
+                        && restored_entry.manifest.model.base_url.is_none()
+                    {
+                        let dm = &kernel.config.default_model;
+                        if !dm.provider.is_empty() {
+                            restored_entry.manifest.model.provider = dm.provider.clone();
+                        }
+                        if !dm.model.is_empty() {
+                            restored_entry.manifest.model.model = dm.model.clone();
+                        }
+                        if dm.base_url.is_some() {
+                            restored_entry.manifest.model.base_url = dm.base_url.clone();
+                        }
+                    }
+
                    if let Err(e) = kernel.registry.register(restored_entry) {
                        tracing::warn!(agent = %name, "Failed to restore agent: {e}");
                    } else {
@@ -975,15 +1007,23 @@ impl OpenFangKernel {
            if !dm.model.is_empty() {
                manifest.model.model = dm.model.clone();
            }
+            if dm.base_url.is_some() {
+                manifest.model.base_url = dm.base_url.clone();
+            }
        }

-        // Create workspace directory for the agent
+        // Normalize: strip provider prefix from model name if present
+        let normalized = strip_provider_prefix(&manifest.model.model, &manifest.model.provider);
+        if normalized != manifest.model.model {
+            manifest.model.model = normalized;
+        }
+
+        // Apply global budget defaults to agent resource quotas
+        apply_budget_defaults(&self.config.budget, &mut manifest.resources);
+
+        // Create workspace directory for the agent (name-based, so SOUL.md survives recreation)
        let workspace_dir = manifest.workspace.clone().unwrap_or_else(|| {
-            self.config.effective_workspaces_dir().join(format!(
-                "{}-{}",
-                &name,
-                &agent_id.0.to_string()[..8]
-            ))
+            self.config.effective_workspaces_dir().join(&name)
        });
        ensure_workspace(&workspace_dir)?;
        if manifest.generate_identity_files {
@@ -1307,11 +1347,7 @@ impl OpenFangKernel {

        // Lazy backfill: create workspace for existing agents spawned before workspaces
        if manifest.workspace.is_none() {
-            let workspace_dir = self.config.effective_workspaces_dir().join(format!(
-                "{}-{}",
-                &manifest.name,
-                &agent_id.0.to_string()[..8]
-            ));
+            let workspace_dir = self.config.effective_workspaces_dir().join(&manifest.name);
            if let Err(e) = ensure_workspace(&workspace_dir) {
                warn!(agent_id = %agent_id, "Failed to backfill workspace (streaming): {e}");
            } else {
@@ -1333,6 +1369,19 @@ impl OpenFangKernel {
                .flatten()
                .and_then(|v| v.as_str().map(String::from));

+            let peer_agents: Vec<(String, String, String)> = self
+                .registry
+                .list()
+                .iter()
+                .map(|a| {
+                    (
+                        a.name.clone(),
+                        format!("{:?}", a.state),
+                        a.manifest.model.model.clone(),
+                    )
+                })
+                .collect();
+
            let prompt_ctx = openfang_runtime::prompt_builder::PromptContext {
                agent_name: manifest.name.clone(),
                agent_description: manifest.description.clone(),
@@ -1341,7 +1390,7 @@ impl OpenFangKernel {
                recalled_memories: vec![],
                skill_summary: self.build_skill_summary(&manifest.skills),
                skill_prompt_context: self.collect_prompt_context(&manifest.skills),
-                mcp_summary: if mcp_tool_count >= 3 {
+                mcp_summary: if mcp_tool_count > 0 {
                    self.build_mcp_summary(&manifest.mcp_servers)
                } else {
                    String::new()
@@ -1397,9 +1446,20 @@ impl OpenFangKernel {
                } else {
                    None
                },
+                peer_agents,
            };
            manifest.model.system_prompt =
                openfang_runtime::prompt_builder::build_system_prompt(&prompt_ctx);
+            // Store canonical context separately for injection as user message
+            // (keeps system prompt stable across turns for provider prompt caching)
+            if let Some(cc_msg) =
+                openfang_runtime::prompt_builder::build_canonical_context_message(&prompt_ctx)
+            {
+                manifest.metadata.insert(
+                    "canonical_context_msg".to_string(),
+                    serde_json::Value::String(cc_msg),
+                );
+            }
        }

        let memory = Arc::clone(&self.memory);
@@ -1754,11 +1814,7 @@ impl OpenFangKernel {

        // Lazy backfill: create workspace for existing agents spawned before workspaces
        if manifest.workspace.is_none() {
-            let workspace_dir = self.config.effective_workspaces_dir().join(format!(
-                "{}-{}",
-                &manifest.name,
-                &agent_id.0.to_string()[..8]
-            ));
+            let workspace_dir = self.config.effective_workspaces_dir().join(&manifest.name);
            if let Err(e) = ensure_workspace(&workspace_dir) {
                warn!(agent_id = %agent_id, "Failed to backfill workspace: {e}");
            } else {
@@ -1781,6 +1837,19 @@ impl OpenFangKernel {
                .flatten()
                .and_then(|v| v.as_str().map(String::from));

+            let peer_agents: Vec<(String, String, String)> = self
+                .registry
+                .list()
+                .iter()
+                .map(|a| {
+                    (
+                        a.name.clone(),
+                        format!("{:?}", a.state),
+                        a.manifest.model.model.clone(),
+                    )
+                })
+                .collect();
+
            let prompt_ctx = openfang_runtime::prompt_builder::PromptContext {
                agent_name: manifest.name.clone(),
                agent_description: manifest.description.clone(),
@@ -1789,7 +1858,7 @@ impl OpenFangKernel {
                recalled_memories: vec![], // Recalled in agent_loop, not here
                skill_summary: self.build_skill_summary(&manifest.skills),
                skill_prompt_context: self.collect_prompt_context(&manifest.skills),
-                mcp_summary: if mcp_tool_count >= 3 {
+                mcp_summary: if mcp_tool_count > 0 {
                    self.build_mcp_summary(&manifest.mcp_servers)
                } else {
                    String::new()
@@ -1845,9 +1914,20 @@ impl OpenFangKernel {
                } else {
                    None
                },
+                peer_agents,
            };
            manifest.model.system_prompt =
                openfang_runtime::prompt_builder::build_system_prompt(&prompt_ctx);
+            // Store canonical context separately for injection as user message
+            // (keeps system prompt stable across turns for provider prompt caching)
+            if let Some(cc_msg) =
+                openfang_runtime::prompt_builder::build_canonical_context_message(&prompt_ctx)
+            {
+                manifest.metadata.insert(
+                    "canonical_context_msg".to_string(),
+                    serde_json::Value::String(cc_msg),
+                );
+            }
        }

        let is_stable = self.config.mode == openfang_types::config::KernelMode::Stable;
@@ -1868,7 +1948,7 @@ impl OpenFangKernel {
            router.resolve_aliases(&self.model_catalog.read().unwrap_or_else(|e| e.into_inner()));
            // Build a probe request to score complexity
            let probe = CompletionRequest {
-                model: manifest.model.model.clone(),
+                model: strip_provider_prefix(&manifest.model.model, &manifest.model.provider),
                messages: vec![openfang_types::message::Message::user(message)],
                tools: tools.clone(),
                max_tokens: manifest.model.max_tokens,
@@ -2054,6 +2134,35 @@ impl OpenFangKernel {
        Ok(())
    }

+    /// Clear ALL conversation history for an agent (sessions + canonical).
+    ///
+    /// Creates a fresh empty session afterward so the agent is still usable.
+    pub fn clear_agent_history(&self, agent_id: AgentId) -> KernelResult<()> {
+        let _entry = self.registry.get(agent_id).ok_or_else(|| {
+            KernelError::OpenFang(OpenFangError::AgentNotFound(agent_id.to_string()))
+        })?;
+
+        // Delete all regular sessions
+        let _ = self.memory.delete_agent_sessions(agent_id);
+
+        // Delete canonical (cross-channel) session
+        let _ = self.memory.delete_canonical_session(agent_id);
+
+        // Create a fresh session
+        let new_session = self
+            .memory
+            .create_session(agent_id)
+            .map_err(KernelError::OpenFang)?;
+
+        // Update registry with new session ID
+        self.registry
+            .update_session_id(agent_id, new_session.id)
+            .map_err(KernelError::OpenFang)?;
+
+        info!(agent_id = %agent_id, "All agent history cleared");
+        Ok(())
+    }
+
    /// List all sessions for a specific agent.
    pub fn list_agent_sessions(&self, agent_id: AgentId) -> KernelResult<Vec<serde_json::Value>> {
        // Verify agent exists
@@ -2230,16 +2339,26 @@ impl OpenFangKernel {
                    .map(|entry| entry.provider.clone())
            });

-        if let Some(provider) = resolved_provider {
+        // If catalog lookup failed, try to infer provider from model name prefix
+        let provider = resolved_provider.or_else(|| infer_provider_from_model(model));
+
+        // Strip the provider prefix from the model name (e.g. "openrouter/deepseek/deepseek-chat" → "deepseek/deepseek-chat")
+        let normalized_model = if let Some(ref prov) = provider {
+            strip_provider_prefix(model, prov)
+        } else {
+            model.to_string()
+        };
+
+        if let Some(provider) = provider {
            self.registry
-                .update_model_and_provider(agent_id, model.to_string(), provider.clone())
+                .update_model_and_provider(agent_id, normalized_model.clone(), provider.clone())
                .map_err(KernelError::OpenFang)?;
-            info!(agent_id = %agent_id, model = %model, provider = %provider, "Agent model+provider updated");
+            info!(agent_id = %agent_id, model = %normalized_model, provider = %provider, "Agent model+provider updated");
        } else {
            self.registry
-                .update_model(agent_id, model.to_string())
+                .update_model(agent_id, normalized_model.clone())
                .map_err(KernelError::OpenFang)?;
-            info!(agent_id = %agent_id, model = %model, "Agent model updated");
+            info!(agent_id = %agent_id, model = %normalized_model, "Agent model updated (provider unchanged)");
        }

        // Persist the updated entry
@@ -2247,6 +2366,10 @@ impl OpenFangKernel {
            let _ = self.memory.save_agent(&entry);
        }

+        // Clear canonical session to prevent memory poisoning from old model's responses
+        let _ = self.memory.delete_canonical_session(agent_id);
+        debug!(agent_id = %agent_id, "Cleared canonical session after model switch");
+
        Ok(())
    }

@@ -2319,6 +2442,30 @@ impl OpenFangKernel {
        Ok(())
    }

+    /// Update an agent's tool allowlist and/or blocklist.
+    pub fn set_agent_tool_filters(
+        &self,
+        agent_id: AgentId,
+        allowlist: Option<Vec<String>>,
+        blocklist: Option<Vec<String>>,
+    ) -> KernelResult<()> {
+        self.registry
+            .update_tool_filters(agent_id, allowlist.clone(), blocklist.clone())
+            .map_err(KernelError::OpenFang)?;
+
+        if let Some(entry) = self.registry.get(agent_id) {
+            let _ = self.memory.save_agent(&entry);
+        }
+
+        info!(
+            agent_id = %agent_id,
+            allowlist = ?allowlist,
+            blocklist = ?blocklist,
+            "Agent tool filters updated"
+        );
+        Ok(())
+    }
+
    /// Get session token usage and estimated cost for an agent.
    pub fn session_usage_cost(&self, agent_id: AgentId) -> KernelResult<(u64, u64, f64)> {
        let entry = self.registry.get(agent_id).ok_or_else(|| {
@@ -3089,6 +3236,8 @@ impl OpenFangKernel {
            let kernel = Arc::clone(self);
            tokio::spawn(async move {
                let mut interval = tokio::time::interval(std::time::Duration::from_secs(15));
+                // Use Skip to avoid burst-firing after a long job blocks the loop.
+                interval.set_missed_tick_behavior(tokio::time::MissedTickBehavior::Skip);
                let mut persist_counter = 0u32;
                interval.tick().await; // Skip first immediate tick
                loop {
@@ -3467,39 +3616,50 @@ impl OpenFangKernel {
        let primary = if agent_provider == default_provider && !has_custom_key && !has_custom_url {
            Arc::clone(&self.default_driver)
        } else {
-            // Create a dedicated driver for this agent
-            // Auth profile rotation: if profiles are configured for this provider,
-            // select the highest-priority profile's key env var.
-            let default_key_env = manifest
-                .model
-                .api_key_env
-                .as_deref()
-                .unwrap_or(&self.config.default_model.api_key_env);
-
-            let api_key_env =
+            // Create a dedicated driver for this agent.
+            //
+            // IMPORTANT: When the agent's provider differs from the default,
+            // we must NOT pass the default provider's API key. Instead, pass None
+            // so create_driver() can look up the correct env var for the target provider.
+            let api_key = if has_custom_key {
+                // Agent explicitly set an API key env var — use it
+                manifest
+                    .model
+                    .api_key_env
+                    .as_ref()
+                    .and_then(|env| std::env::var(env).ok())
+            } else if agent_provider == default_provider {
+                // Same provider — use default key
+                std::env::var(&self.config.default_model.api_key_env).ok()
+            } else {
+                // Different provider — check auth profiles first, then let
+                // create_driver() look up the correct env var automatically.
                if let Some(profiles) = self.config.auth_profiles.get(agent_provider.as_str()) {
-                    if !profiles.is_empty() {
-                        // Pick highest-priority profile (lowest priority number)
-                        let mut sorted: Vec<_> = profiles.iter().collect();
-                        sorted.sort_by_key(|p| p.priority);
-                        let best = &sorted[0];
-                        // Use the profile's env var if the key exists, otherwise fall back
-                        if std::env::var(&best.api_key_env).is_ok() {
-                            best.api_key_env.clone()
-                        } else {
-                            default_key_env.to_string()
-                        }
-                    } else {
-                        default_key_env.to_string()
-                    }
+                    let mut sorted: Vec<_> = profiles.iter().collect();
+                    sorted.sort_by_key(|p| p.priority);
+                    sorted
+                        .first()
+                        .and_then(|best| std::env::var(&best.api_key_env).ok())
                } else {
-                    default_key_env.to_string()
-                };
+                    // Pass None — create_driver() has per-provider env var lookups
+                    None
+                }
+            };
+
+            // Don't inherit default provider's base_url when switching providers
+            let base_url = if has_custom_url {
+                manifest.model.base_url.clone()
+            } else if agent_provider == default_provider {
+                self.config.default_model.base_url.clone()
+            } else {
+                // Let create_driver() use the target provider's default base URL
+                None
+            };

            let driver_config = DriverConfig {
                provider: agent_provider.clone(),
-                api_key: std::env::var(&api_key_env).ok(),
-                base_url: manifest.model.base_url.clone(),
+                api_key,
+                base_url,
            };

            drivers::create_driver(&driver_config).map_err(|e| {
@@ -3928,6 +4088,19 @@ impl OpenFangKernel {
            }
        }

+        // Apply per-agent tool allowlist/blocklist (manifest-level filtering)
+        let (tool_allowlist, tool_blocklist) = entry
+            .as_ref()
+            .map(|e| (e.manifest.tool_allowlist.clone(), e.manifest.tool_blocklist.clone()))
+            .unwrap_or_default();
+
+        if !tool_allowlist.is_empty() {
+            all_tools.retain(|t| tool_allowlist.iter().any(|a| a == &t.name));
+        }
+        if !tool_blocklist.is_empty() {
+            all_tools.retain(|t| !tool_blocklist.iter().any(|b| b == &t.name));
+        }
+
        let caps = self.capabilities.list(agent_id);

        // If agent has ToolAll, return all tools
@@ -4065,7 +4238,18 @@ impl OpenFangKernel {
                tool_names.join(", ")
            ));
        }
-        summary.push_str("MCP tools are prefixed with mcp_{server}_ and work like regular tools.");
+        summary.push_str("MCP tools are prefixed with mcp_{server}_ and work like regular tools.\n");
+        // Add filesystem-specific guidance when a filesystem MCP server is connected
+        let has_filesystem = servers.keys().any(|s| s.contains("filesystem"));
+        if has_filesystem {
+            summary.push_str(
+                "IMPORTANT: For accessing files OUTSIDE your workspace directory, you MUST use \
+                 the MCP filesystem tools (e.g. mcp_filesystem_read_file, mcp_filesystem_list_directory) \
+                 instead of the built-in file_read/file_list/file_write tools, which are restricted to \
+                 the workspace. The MCP filesystem server has been granted access to specific directories \
+                 by the user.",
+            );
+        }
        summary
    }

@@ -4192,6 +4376,83 @@ fn manifest_to_capabilities(manifest: &AgentManifest) -> Vec<Capability> {
    caps
 }

+/// Apply global budget defaults to an agent's resource quota.
+///
+/// When the global budget config specifies limits and the agent still has
+/// the built-in defaults, override them so agents respect the user's config.
+fn apply_budget_defaults(
+    budget: &openfang_types::config::BudgetConfig,
+    resources: &mut ResourceQuota,
+) {
+    // Only override hourly if agent has the built-in default (1.0) and global is set
+    if budget.max_hourly_usd > 0.0 && resources.max_cost_per_hour_usd == 1.0 {
+        resources.max_cost_per_hour_usd = budget.max_hourly_usd;
+    }
+    // Only override daily/monthly if agent has unlimited (0.0) and global is set
+    if budget.max_daily_usd > 0.0 && resources.max_cost_per_day_usd == 0.0 {
+        resources.max_cost_per_day_usd = budget.max_daily_usd;
+    }
+    if budget.max_monthly_usd > 0.0 && resources.max_cost_per_month_usd == 0.0 {
+        resources.max_cost_per_month_usd = budget.max_monthly_usd;
+    }
+}
+
+/// Infer provider from a model name when catalog lookup fails.
+///
+/// Uses well-known model name prefixes to map to the correct provider.
+/// This is a defense-in-depth fallback — models should ideally be in the catalog.
+fn infer_provider_from_model(model: &str) -> Option<String> {
+    let lower = model.to_lowercase();
+    // Check for explicit provider prefix (e.g., "minimax/MiniMax-M2.5")
+    if let Some(prefix) = lower.split('/').next() {
+        match prefix {
+            "minimax" | "gemini" | "anthropic" | "openai" | "groq" | "deepseek" | "mistral"
+            | "cohere" | "xai" | "ollama" | "together" | "fireworks" | "perplexity"
+            | "cerebras" | "sambanova" | "replicate" | "huggingface" | "ai21" | "codex"
+            | "claude-code" | "copilot" | "github-copilot" | "qwen" | "zhipu" | "moonshot"
+            | "openrouter" => {
+                if model.contains('/') {
+                    return Some(prefix.to_string());
+                }
+            }
+            _ => {}
+        }
+    }
+    // Infer from well-known model name patterns
+    if lower.starts_with("minimax") {
+        Some("minimax".to_string())
+    } else if lower.starts_with("gemini") {
+        Some("gemini".to_string())
+    } else if lower.starts_with("claude") {
+        Some("anthropic".to_string())
+    } else if lower.starts_with("gpt") || lower.starts_with("o1") || lower.starts_with("o3") || lower.starts_with("o4") {
+        Some("openai".to_string())
+    } else if lower.starts_with("llama") || lower.starts_with("mixtral") || lower.starts_with("qwen") {
+        // These could be on multiple providers; don't infer
+        None
+    } else if lower.starts_with("grok") {
+        Some("xai".to_string())
+    } else if lower.starts_with("deepseek") {
+        Some("deepseek".to_string())
+    } else if lower.starts_with("mistral") || lower.starts_with("codestral") || lower.starts_with("pixtral") {
+        Some("mistral".to_string())
+    } else if lower.starts_with("command") || lower.starts_with("embed-") {
+        Some("cohere".to_string())
+    } else if lower.starts_with("jamba") {
+        Some("ai21".to_string())
+    } else if lower.starts_with("sonar") {
+        Some("perplexity".to_string())
+    } else if lower.starts_with("glm") {
+        Some("zhipu".to_string())
+    } else if lower.starts_with("ernie") {
+        Some("qianfan".to_string())
+    } else if lower.starts_with("abab") {
+        Some("minimax".to_string())
+    } else {
+        None
+    }
+}
+
 /// A well-known agent ID used for shared memory operations across agents.
 /// This is a fixed UUID so all agents read/write to the same namespace.
 fn shared_memory_agent_id() -> AgentId {
@@ -4694,6 +4955,42 @@ impl KernelHandle for OpenFangKernel {
            .map(|(url, _)| url.clone())
    }

+    async fn send_channel_message(
+        &self,
+        channel: &str,
+        recipient: &str,
+        message: &str,
+    ) -> Result<String, String> {
+        let adapter = self
+            .channel_adapters
+            .get(channel)
+            .ok_or_else(|| {
+                let available: Vec<String> = self
+                    .channel_adapters
+                    .iter()
+                    .map(|e| e.key().clone())
+                    .collect();
+                format!(
+                    "Channel '{}' not found. Available channels: {:?}",
+                    channel, available
+                )
+            })?
+            .clone();
+
+        let user = openfang_channels::types::ChannelUser {
+            platform_id: recipient.to_string(),
+            display_name: recipient.to_string(),
+            openfang_user: None,
+        };
+
+        adapter
+            .send(&user, openfang_channels::types::ChannelContent::Text(message.to_string()))
+            .await
+            .map_err(|e| format!("Channel send failed: {e}"))?;
+
+        Ok(format!("Message sent to {} via {}", recipient, channel))
+    }
+
    async fn spawn_agent_checked(
        &self,
        manifest_toml: &str,
@@ -4825,6 +5122,8 @@ mod tests {
            workspace: None,
            generate_identity_files: true,
            exec_policy: None,
+            tool_allowlist: vec![],
+            tool_blocklist: vec![],
        };
        manifest.capabilities.tools = vec!["file_read".to_string(), "web_fetch".to_string()];
        manifest.capabilities.agent_spawn = true;
@@ -4860,6 +5159,8 @@ mod tests {
            workspace: None,
            generate_identity_files: true,
            exec_policy: None,
+            tool_allowlist: vec![],
+            tool_blocklist: vec![],
        }
    }

@@ -382,6 +382,9 @@ fn estimate_cost_rates(model: &str) -> (f64, f64) {
    if model.contains("glm") {
        return (1.50, 5.00);
    }
+    if model.contains("codegeex") {
+        return (0.10, 0.10);
+    }

    // ── Moonshot / Kimi ─────────────────────────────────────────
    if model.contains("moonshot") || model.contains("kimi") {
@@ -199,6 +199,27 @@ impl AgentRegistry {
        Ok(())
    }

+    /// Update an agent's tool allowlist and blocklist.
+    pub fn update_tool_filters(
+        &self,
+        id: AgentId,
+        allowlist: Option<Vec<String>>,
+        blocklist: Option<Vec<String>>,
+    ) -> OpenFangResult<()> {
+        let mut entry = self
+            .agents
+            .get_mut(&id)
+            .ok_or_else(|| OpenFangError::AgentNotFound(id.to_string()))?;
+        if let Some(al) = allowlist {
+            entry.manifest.tool_allowlist = al;
+        }
+        if let Some(bl) = blocklist {
+            entry.manifest.tool_blocklist = bl;
+        }
+        entry.last_active = chrono::Utc::now();
+        Ok(())
+    }
+
    /// Update an agent's system prompt (hot-swap, takes effect on next message).
    pub fn update_system_prompt(&self, id: AgentId, new_prompt: String) -> OpenFangResult<()> {
        let mut entry = self
@@ -241,6 +262,31 @@ impl AgentRegistry {
        Ok(())
    }

+    /// Update an agent's resource quota (budget limits).
+    pub fn update_resources(
+        &self,
+        id: AgentId,
+        hourly: Option<f64>,
+        daily: Option<f64>,
+        monthly: Option<f64>,
+    ) -> OpenFangResult<()> {
+        let mut entry = self
+            .agents
+            .get_mut(&id)
+            .ok_or_else(|| OpenFangError::AgentNotFound(id.to_string()))?;
+        if let Some(v) = hourly {
+            entry.manifest.resources.max_cost_per_hour_usd = v;
+        }
+        if let Some(v) = daily {
+            entry.manifest.resources.max_cost_per_day_usd = v;
+        }
+        if let Some(v) = monthly {
+            entry.manifest.resources.max_cost_per_month_usd = v;
+        }
+        entry.last_active = chrono::Utc::now();
+        Ok(())
+    }
+
    /// Mark an agent's onboarding as complete.
    pub fn mark_onboarding_complete(&self, id: AgentId) -> OpenFangResult<()> {
        let mut entry = self
@@ -295,6 +341,8 @@ mod tests {
                workspace: None,
                generate_identity_files: true,
                exec_policy: None,
+                tool_allowlist: vec![],
+                tool_blocklist: vec![],
            },
            state: AgentState::Created,
            mode: AgentMode::default(),
@@ -88,7 +88,9 @@ impl AgentScheduler {
        // Reset the window if an hour has passed
        tracker.reset_if_expired();

-        if tracker.total_tokens > quota.max_llm_tokens_per_hour {
+        if quota.max_llm_tokens_per_hour > 0
+            && tracker.total_tokens > quota.max_llm_tokens_per_hour
+        {
            return Err(OpenFangError::QuotaExceeded(format!(
                "Token limit exceeded: {} / {}",
                tracker.total_tokens, quota.max_llm_tokens_per_hour
@@ -179,6 +179,8 @@ impl SetupWizard {
            profile: None,
            fallback_models: vec![],
            exec_policy: None,
+            tool_allowlist: vec![],
+            tool_blocklist: vec![],
        };

        let skills_to_install: Vec<String> = intent
@@ -128,6 +128,20 @@ impl SessionStore {
        Ok(())
    }

+    /// Delete the canonical (cross-channel) session for an agent.
+    pub fn delete_canonical_session(&self, agent_id: AgentId) -> OpenFangResult<()> {
+        let conn = self
+            .conn
+            .lock()
+            .map_err(|e| OpenFangError::Internal(e.to_string()))?;
+        conn.execute(
+            "DELETE FROM canonical_sessions WHERE agent_id = ?1",
+            rusqlite::params![agent_id.0.to_string()],
+        )
+        .map_err(|e| OpenFangError::Memory(e.to_string()))?;
+        Ok(())
+    }
+
    /// List all sessions with metadata (session_id, agent_id, message_count, created_at).
    pub fn list_sessions(&self) -> OpenFangResult<Vec<serde_json::Value>> {
        let conn = self
@@ -428,19 +442,24 @@ impl SessionStore {
                    };
                    let text = msg.content.text_content();
                    if !text.is_empty() {
-                        // Truncate individual messages in summary to keep it compact
+                        // Truncate individual messages in summary to keep it compact (UTF-8 safe)
                        let truncated = if text.len() > 200 {
-                            format!("{}...", &text[..200])
+                            format!("{}...", openfang_types::truncate_str(&text, 200))
                        } else {
                            text
                        };
                        summary_parts.push(format!("{role}: {truncated}"));
                    }
                }
-                // Keep summary under ~4000 chars
+                // Keep summary under ~4000 chars (UTF-8 safe)
                let mut full_summary = summary_parts.join("\n");
                if full_summary.len() > 4000 {
-                    full_summary = full_summary[full_summary.len() - 4000..].to_string();
+                    let start = full_summary.len() - 4000;
+                    // Find the next char boundary at or after `start`
+                    let safe_start = (start..full_summary.len())
+                        .find(|&i| full_summary.is_char_boundary(i))
+                        .unwrap_or(full_summary.len());
+                    full_summary = full_summary[safe_start..].to_string();
                }
                canonical.compacted_summary = Some(full_summary);
                canonical.compaction_cursor = to_compact;
@@ -551,6 +570,7 @@ impl SessionStore {
                            }
                            ContentBlock::ToolResult {
                                tool_use_id,
+                                tool_name: _,
                                content,
                                is_error,
                            } => {
@@ -164,6 +164,16 @@ impl MemorySubstrate {
        self.sessions.delete_session(session_id)
    }

+    /// Delete all sessions belonging to an agent.
+    pub fn delete_agent_sessions(&self, agent_id: AgentId) -> OpenFangResult<()> {
+        self.sessions.delete_agent_sessions(agent_id)
+    }
+
+    /// Delete the canonical (cross-channel) session for an agent.
+    pub fn delete_canonical_session(&self, agent_id: AgentId) -> OpenFangResult<()> {
+        self.sessions.delete_canonical_session(agent_id)
+    }
+
    /// Set or clear a session label.
    pub fn set_session_label(
        &self,
@@ -51,6 +51,20 @@ const MAX_CONTINUATIONS: u32 = 5;
 /// Maximum message history size before auto-trimming to prevent context overflow.
 const MAX_HISTORY_MESSAGES: usize = 20;

+/// Strip a provider prefix from a model ID before sending to the API.
+///
+/// Many models are stored as `provider/org/model` (e.g. `openrouter/google/gemini-2.5-flash`)
+/// but the upstream API expects just `org/model`. This also handles special routers
+/// like `openrouter/auto` → `auto`.
+pub fn strip_provider_prefix(model: &str, provider: &str) -> String {
+    let prefix = format!("{}/", provider);
+    if model.starts_with(&prefix) {
+        model[prefix.len()..].to_string()
+    } else {
+        model.to_string()
+    }
+}
+
 /// Default context window size (tokens) for token-based trimming.
 const DEFAULT_CONTEXT_WINDOW: usize = 200_000;

@@ -215,6 +229,19 @@ pub async fn run_agent_loop(

    // Validate and repair session history (drop orphans, merge consecutive)
    let mut messages = crate::session_repair::validate_and_repair(&llm_messages);
+
+    // Inject canonical context as the first user message (not in system prompt)
+    // to keep the system prompt stable across turns for provider prompt caching.
+    if let Some(cc_msg) = manifest
+        .metadata
+        .get("canonical_context_msg")
+        .and_then(|v| v.as_str())
+    {
+        if !cc_msg.is_empty() {
+            messages.insert(0, Message::user(cc_msg));
+        }
+    }
+
    let mut total_usage = TokenUsage::default();
    let final_response;

@@ -253,6 +280,7 @@ pub async fn run_agent_loop(
    // Build context budget from model's actual context window (or fallback to default)
    let ctx_window = context_window_tokens.unwrap_or(DEFAULT_CONTEXT_WINDOW);
    let context_budget = ContextBudget::new(ctx_window);
+    let mut any_tools_executed = false;

    for iteration in 0..max_iterations {
        debug!(iteration, "Agent loop iteration");
@@ -267,8 +295,11 @@ pub async fn run_agent_loop(
        // Context guard: compact oversized tool results before LLM call
        apply_context_guard(&mut messages, &context_budget, available_tools);

+        // Strip provider prefix: "openrouter/google/gemini-2.5-flash" → "google/gemini-2.5-flash"
+        let api_model = strip_provider_prefix(&manifest.model.model, &manifest.model.provider);
+
        let request = CompletionRequest {
-            model: manifest.model.model.clone(),
+            model: api_model,
            messages: messages.clone(),
            tools: available_tools.to_vec(),
            max_tokens: manifest.model.max_tokens,
@@ -370,7 +401,7 @@ pub async fn run_agent_loop(
                        messages_count = messages.len(),
                        "Empty response from LLM — guard activated"
                    );
-                    if iteration > 0 {
+                    if any_tools_executed {
                        "[Task completed — the agent executed tools but did not produce a text summary.]".to_string()
                    } else {
                        "[The model returned an empty response. This usually means the model is overloaded, the context is too large, or the API key lacks credits. Try again or check /status.]".to_string()
@@ -471,6 +502,7 @@ pub async fn run_agent_loop(
            StopReason::ToolUse => {
                // Reset MaxTokens continuation counter on tool use
                consecutive_max_tokens = 0;
+                any_tools_executed = true;

                // Execute tool calls
                let assistant_blocks = response.content.clone();
@@ -521,6 +553,7 @@ pub async fn run_agent_loop(
                            warn!(tool = %tool_call.name, "Tool call blocked by loop guard");
                            tool_result_blocks.push(ContentBlock::ToolResult {
                                tool_use_id: tool_call.id.clone(),
+                                tool_name: tool_call.name.clone(),
                                content: msg.clone(),
                                is_error: true,
                            });
@@ -558,6 +591,7 @@ pub async fn run_agent_loop(
                        if let Err(reason) = hook_reg.fire(&ctx) {
                            tool_result_blocks.push(ContentBlock::ToolResult {
                                tool_use_id: tool_call.id.clone(),
+                                tool_name: tool_call.name.clone(),
                                content: format!(
                                    "Hook blocked tool '{}': {}",
                                    tool_call.name, reason
@@ -641,11 +675,28 @@ pub async fn run_agent_loop(

                    tool_result_blocks.push(ContentBlock::ToolResult {
                        tool_use_id: result.tool_use_id,
+                        tool_name: tool_call.name.clone(),
                        content: final_content,
                        is_error: result.is_error,
                    });
                }

+                // Detect approval denials and inject guidance to prevent infinite retry loops
+                let denial_count = tool_result_blocks.iter().filter(|b| {
+                    matches!(b, ContentBlock::ToolResult { content, is_error: true, .. }
+                        if content.contains("requires human approval and was denied"))
+                }).count();
+                if denial_count > 0 {
+                    tool_result_blocks.push(ContentBlock::Text {
+                        text: format!(
+                            "[System: {} tool call(s) were denied by approval policy. \
+                             Do NOT retry denied tools. Explain to the user what you \
+                             wanted to do and that it requires their approval.]",
+                            denial_count
+                        ),
+                    });
+                }
+
                // Add tool results as a user message (Anthropic API requirement)
                let tool_results_msg = Message {
                    role: Role::User,
@@ -1075,6 +1126,19 @@ pub async fn run_agent_loop_streaming(

    // Validate and repair session history (drop orphans, merge consecutive)
    let mut messages = crate::session_repair::validate_and_repair(&llm_messages);
+
+    // Inject canonical context as the first user message (not in system prompt)
+    // to keep the system prompt stable across turns for provider prompt caching.
+    if let Some(cc_msg) = manifest
+        .metadata
+        .get("canonical_context_msg")
+        .and_then(|v| v.as_str())
+    {
+        if !cc_msg.is_empty() {
+            messages.insert(0, Message::user(cc_msg));
+        }
+    }
+
    let mut total_usage = TokenUsage::default();
    let final_response;

@@ -1111,6 +1175,7 @@ pub async fn run_agent_loop_streaming(
    // Build context budget from model's actual context window (or fallback to default)
    let ctx_window = context_window_tokens.unwrap_or(DEFAULT_CONTEXT_WINDOW);
    let context_budget = ContextBudget::new(ctx_window);
+    let mut any_tools_executed = false;

    for iteration in 0..max_iterations {
        debug!(iteration, "Streaming agent loop iteration");
@@ -1141,8 +1206,11 @@ pub async fn run_agent_loop_streaming(
        // Context guard: compact oversized tool results before LLM call
        apply_context_guard(&mut messages, &context_budget, available_tools);

+        // Strip provider prefix: "openrouter/google/gemini-2.5-flash" → "google/gemini-2.5-flash"
+        let api_model = strip_provider_prefix(&manifest.model.model, &manifest.model.provider);
+
        let request = CompletionRequest {
-            model: manifest.model.model.clone(),
+            model: api_model,
            messages: messages.clone(),
            tools: available_tools.to_vec(),
            max_tokens: manifest.model.max_tokens,
@@ -1247,7 +1315,7 @@ pub async fn run_agent_loop_streaming(
                        messages_count = messages.len(),
                        "Empty response from LLM (streaming) — guard activated"
                    );
-                    if iteration > 0 {
+                    if any_tools_executed {
                        "[Task completed — the agent executed tools but did not produce a text summary.]".to_string()
                    } else {
                        "[The model returned an empty response. This usually means the model is overloaded, the context is too large, or the API key lacks credits. Try again or check /status.]".to_string()
@@ -1347,6 +1415,7 @@ pub async fn run_agent_loop_streaming(
            StopReason::ToolUse => {
                // Reset MaxTokens continuation counter on tool use
                consecutive_max_tokens = 0;
+                any_tools_executed = true;

                let assistant_blocks = response.content.clone();

@@ -1393,6 +1462,7 @@ pub async fn run_agent_loop_streaming(
                            warn!(tool = %tool_call.name, "Tool call blocked by loop guard (streaming)");
                            tool_result_blocks.push(ContentBlock::ToolResult {
                                tool_use_id: tool_call.id.clone(),
+                                tool_name: tool_call.name.clone(),
                                content: msg.clone(),
                                is_error: true,
                            });
@@ -1430,6 +1500,7 @@ pub async fn run_agent_loop_streaming(
                        if let Err(reason) = hook_reg.fire(&ctx) {
                            tool_result_blocks.push(ContentBlock::ToolResult {
                                tool_use_id: tool_call.id.clone(),
+                                tool_name: tool_call.name.clone(),
                                content: format!(
                                    "Hook blocked tool '{}': {}",
                                    tool_call.name, reason
@@ -1527,11 +1598,28 @@ pub async fn run_agent_loop_streaming(

                    tool_result_blocks.push(ContentBlock::ToolResult {
                        tool_use_id: result.tool_use_id,
+                        tool_name: tool_call.name.clone(),
                        content: final_content,
                        is_error: result.is_error,
                    });
                }

+                // Detect approval denials and inject guidance to prevent infinite retry loops
+                let denial_count = tool_result_blocks.iter().filter(|b| {
+                    matches!(b, ContentBlock::ToolResult { content, is_error: true, .. }
+                        if content.contains("requires human approval and was denied"))
+                }).count();
+                if denial_count > 0 {
+                    tool_result_blocks.push(ContentBlock::Text {
+                        text: format!(
+                            "[System: {} tool call(s) were denied by approval policy. \
+                             Do NOT retry denied tools. Explain to the user what you \
+                             wanted to do and that it requires their approval.]",
+                            denial_count
+                        ),
+                    });
+                }
+
                let tool_results_msg = Message {
                    role: Role::User,
                    content: MessageContent::Blocks(tool_result_blocks.clone()),
@@ -2279,10 +2367,10 @@ mod tests {
        .await
        .expect("Loop should complete with fallback");

-        // After retry (iteration 1), should hit the iteration > 0 guard
+        // No tools were executed, so should get the empty response message
        assert!(
-            result.response.contains("Task completed"),
-            "Expected fallback after retry failure, got: {:?}",
+            result.response.contains("empty response"),
+            "Expected empty response fallback (no tools executed), got: {:?}",
            result.response
        );
    }
@@ -426,8 +426,14 @@ async fn summarize_messages(
    let effective_max = (config.max_chunk_chars as f64 / config.safety_margin) as usize;
    if conversation_text.len() > effective_max {
        // Keep the tail (most recent) which is usually more important
-        conversation_text =
-            conversation_text[conversation_text.len() - effective_max..].to_string();
+        let start = conversation_text.len() - effective_max;
+        // Find valid char boundary at or after start
+        let safe_start = if conversation_text.is_char_boundary(start) {
+            start
+        } else {
+            conversation_text[start..].char_indices().next().map(|(i, _)| start + i).unwrap_or(conversation_text.len())
+        };
+        conversation_text = conversation_text[safe_start..].to_string();
    }

    let summarize_prompt = format!(
@@ -850,6 +856,7 @@ mod tests {
            role: Role::User,
            content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                tool_use_id: "tu-1".to_string(),
+                tool_name: String::new(),
                content: "Search results here".to_string(),
                is_error: false,
            }]),
@@ -1184,6 +1191,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-1".to_string(),
+                    tool_name: String::new(),
                    content: "Results found".to_string(),
                    is_error: false,
                }]),
@@ -1324,6 +1332,7 @@ mod tests {
            role: Role::User,
            content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                tool_use_id: "t1".to_string(),
+                tool_name: String::new(),
                content: tool_content,
                is_error: false,
            }]),
@@ -1343,6 +1352,7 @@ mod tests {
            role: Role::User,
            content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                tool_use_id: "t2".to_string(),
+                tool_name: String::new(),
                content: large_result,
                is_error: false,
            }]),
@@ -1366,6 +1376,7 @@ mod tests {
            role: Role::User,
            content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                tool_use_id: "t3".to_string(),
+                tool_name: String::new(),
                content: short_result.to_string(),
                is_error: false,
            }]),
@@ -64,12 +64,23 @@ pub fn truncate_tool_result_dynamic(content: &str, budget: &ContextBudget) -> St
        return content.to_string();
    }

-    // Find last newline before the cap to break cleanly
-    let search_start = cap.saturating_sub(200);
-    let break_point = content[search_start..cap]
+    // Find last newline before the cap to break cleanly (char-boundary safe)
+    let safe_cap = if content.is_char_boundary(cap) {
+        cap
+    } else {
+        content[..cap].char_indices().next_back().map(|(i, _)| i).unwrap_or(0)
+    };
+    let search_start = safe_cap.saturating_sub(200);
+    let break_point = content[search_start..safe_cap]
        .rfind('\n')
        .map(|pos| search_start + pos)
-        .unwrap_or(cap.saturating_sub(100));
+        .unwrap_or(safe_cap.saturating_sub(100));
+    // Ensure break_point is also a char boundary
+    let break_point = if content.is_char_boundary(break_point) {
+        break_point
+    } else {
+        content[..break_point].char_indices().next_back().map(|(i, _)| i).unwrap_or(0)
+    };

    format!(
        "{}\n\n[TRUNCATED: result was {} chars, showing first {} (budget: {}% of {}K context window)]",
@@ -248,6 +259,7 @@ mod tests {
                role: openfang_types::message::Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "t1".to_string(),
+                    tool_name: String::new(),
                    content: big_result.clone(),
                    is_error: false,
                }]),
@@ -256,6 +268,7 @@ mod tests {
                role: openfang_types::message::Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "t2".to_string(),
+                    tool_name: String::new(),
                    content: big_result,
                    is_error: false,
                }]),
@@ -103,11 +103,17 @@ pub fn recover_from_overflow(
                if let ContentBlock::ToolResult { content, .. } = block {
                    if content.len() > tool_truncation_limit {
                        let keep = tool_truncation_limit.saturating_sub(80);
+                        // Find a valid char boundary at or before `keep`
+                        let safe_keep = if content.is_char_boundary(keep) {
+                            keep
+                        } else {
+                            content[..keep].char_indices().next_back().map(|(i, _)| i).unwrap_or(0)
+                        };
                        *content = format!(
                            "{}\n\n[OVERFLOW RECOVERY: truncated from {} to {} chars]",
-                            &content[..keep],
+                            &content[..safe_keep],
                            content.len(),
-                            keep
+                            safe_keep
                        );
                        truncated += 1;
                    }
@@ -202,6 +208,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "t1".to_string(),
+                    tool_name: String::new(),
                    content: big_result.clone(),
                    is_error: false,
                }]),
@@ -210,6 +217,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "t2".to_string(),
+                    tool_name: String::new(),
                    content: big_result,
                    is_error: false,
                }]),
@@ -0,0 +1,155 @@
+//! GitHub Copilot OAuth — device flow for obtaining a GitHub PAT via browser login.
+//!
+//! Implements the OAuth 2.0 Device Authorization Grant (RFC 8628) using GitHub's
+//! device flow endpoint. Users visit a URL, enter a code, and authorize the app.
+//! Once complete, the resulting access token can be used with the CopilotDriver.
+
+use serde::Deserialize;
+use zeroize::Zeroizing;
+
+/// GitHub device code request URL.
+const GITHUB_DEVICE_CODE_URL: &str = "https://github.com/login/device/code";
+
+/// GitHub OAuth token URL.
+const GITHUB_TOKEN_URL: &str = "https://github.com/login/oauth/access_token";
+
+/// Public OAuth client ID — same as VSCode Copilot extension.
+const COPILOT_CLIENT_ID: &str = "Iv1.b507a08c87ecfe98";
+
+/// Response from the device code initiation request.
+#[derive(Debug, Deserialize)]
+pub struct DeviceCodeResponse {
+    pub device_code: String,
+    pub user_code: String,
+    pub verification_uri: String,
+    pub expires_in: u64,
+    pub interval: u64,
+}
+
+/// Status of a device flow polling attempt.
+pub enum DeviceFlowStatus {
+    /// Authorization is pending — user hasn't completed the flow yet.
+    Pending,
+    /// Authorization succeeded — contains the access token.
+    Complete { access_token: Zeroizing<String> },
+    /// Server asked to slow down — use the new interval.
+    SlowDown { new_interval: u64 },
+    /// The device code expired — user must restart the flow.
+    Expired,
+    /// User explicitly denied access.
+    AccessDenied,
+    /// An unexpected error occurred.
+    Error(String),
+}
+
+/// Start a GitHub device flow for Copilot OAuth.
+///
+/// POST https://github.com/login/device/code
+/// Returns a device code and user code for the user to enter at the verification URI.
+pub async fn start_device_flow() -> Result<DeviceCodeResponse, String> {
+    let client = reqwest::Client::builder()
+        .timeout(std::time::Duration::from_secs(15))
+        .build()
+        .map_err(|e| format!("HTTP client error: {e}"))?;
+
+    let resp = client
+        .post(GITHUB_DEVICE_CODE_URL)
+        .header("Accept", "application/json")
+        .form(&[("client_id", COPILOT_CLIENT_ID), ("scope", "read:user")])
+        .send()
+        .await
+        .map_err(|e| format!("Device code request failed: {e}"))?;
+
+    if !resp.status().is_success() {
+        let status = resp.status();
+        let body = resp.text().await.unwrap_or_default();
+        return Err(format!("Device code request returned {status}: {body}"));
+    }
+
+    resp.json::<DeviceCodeResponse>()
+        .await
+        .map_err(|e| format!("Failed to parse device code response: {e}"))
+}
+
+/// Poll the GitHub token endpoint for the device flow result.
+///
+/// POST https://github.com/login/oauth/access_token
+/// Returns the current status of the authorization flow.
+pub async fn poll_device_flow(device_code: &str) -> DeviceFlowStatus {
+    let client = match reqwest::Client::builder()
+        .timeout(std::time::Duration::from_secs(15))
+        .build()
+    {
+        Ok(c) => c,
+        Err(e) => return DeviceFlowStatus::Error(format!("HTTP client error: {e}")),
+    };
+
+    let resp = match client
+        .post(GITHUB_TOKEN_URL)
+        .header("Accept", "application/json")
+        .form(&[
+            ("client_id", COPILOT_CLIENT_ID),
+            (
+                "grant_type",
+                "urn:ietf:params:oauth:grant-type:device_code",
+            ),
+            ("device_code", device_code),
+        ])
+        .send()
+        .await
+    {
+        Ok(r) => r,
+        Err(e) => return DeviceFlowStatus::Error(format!("Token poll failed: {e}")),
+    };
+
+    let body: serde_json::Value = match resp.json().await {
+        Ok(v) => v,
+        Err(e) => return DeviceFlowStatus::Error(format!("Failed to parse token response: {e}")),
+    };
+
+    // Check for error field first (GitHub returns 200 with error during polling)
+    if let Some(error) = body.get("error").and_then(|v| v.as_str()) {
+        return match error {
+            "authorization_pending" => DeviceFlowStatus::Pending,
+            "slow_down" => {
+                let interval = body
+                    .get("interval")
+                    .and_then(|v| v.as_u64())
+                    .unwrap_or(10);
+                DeviceFlowStatus::SlowDown {
+                    new_interval: interval,
+                }
+            }
+            "expired_token" => DeviceFlowStatus::Expired,
+            "access_denied" => DeviceFlowStatus::AccessDenied,
+            _ => {
+                let desc = body
+                    .get("error_description")
+                    .and_then(|v| v.as_str())
+                    .unwrap_or(error);
+                DeviceFlowStatus::Error(desc.to_string())
+            }
+        };
+    }
+
+    // Success — extract access token
+    if let Some(token) = body.get("access_token").and_then(|v| v.as_str()) {
+        DeviceFlowStatus::Complete {
+            access_token: Zeroizing::new(token.to_string()),
+        }
+    } else {
+        DeviceFlowStatus::Error("No access_token in response".to_string())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_constants() {
+        assert!(GITHUB_DEVICE_CODE_URL.starts_with("https://"));
+        assert!(GITHUB_TOKEN_URL.starts_with("https://"));
+        assert!(!COPILOT_CLIENT_ID.is_empty());
+    }
+}
@@ -576,6 +576,7 @@ fn convert_message(msg: &Message) -> ApiMessage {
                        tool_use_id,
                        content,
                        is_error,
+                        ..
                    } => Some(ApiContentBlock::ToolResult {
                        tool_use_id: tool_use_id.clone(),
                        content: content.clone(),
@@ -0,0 +1,405 @@
+//! Claude Code CLI backend driver.
+//!
+//! Spawns the `claude` CLI (Claude Code) as a subprocess in print mode (`-p`),
+//! which is non-interactive and handles its own authentication.
+//! This allows users with Claude Code installed to use it as an LLM provider
+//! without needing a separate API key.
+
+use crate::llm_driver::{CompletionRequest, CompletionResponse, LlmDriver, LlmError, StreamEvent};
+use async_trait::async_trait;
+use openfang_types::message::{ContentBlock, Role, StopReason, TokenUsage};
+use serde::Deserialize;
+use tokio::io::AsyncBufReadExt;
+use tracing::{debug, warn};
+
+/// LLM driver that delegates to the Claude Code CLI.
+pub struct ClaudeCodeDriver {
+    cli_path: String,
+}
+
+impl ClaudeCodeDriver {
+    /// Create a new Claude Code driver.
+    ///
+    /// `cli_path` overrides the CLI binary path; defaults to `"claude"` on PATH.
+    pub fn new(cli_path: Option<String>) -> Self {
+        Self {
+            cli_path: cli_path
+                .filter(|s| !s.is_empty())
+                .unwrap_or_else(|| "claude".to_string()),
+        }
+    }
+
+    /// Detect if the Claude Code CLI is available on PATH.
+    pub fn detect() -> Option<String> {
+        let output = std::process::Command::new("claude")
+            .arg("--version")
+            .stdout(std::process::Stdio::piped())
+            .stderr(std::process::Stdio::null())
+            .output()
+            .ok()?;
+
+        if output.status.success() {
+            Some(String::from_utf8_lossy(&output.stdout).trim().to_string())
+        } else {
+            None
+        }
+    }
+
+    /// Build a text prompt from the completion request messages.
+    fn build_prompt(request: &CompletionRequest) -> String {
+        let mut parts = Vec::new();
+
+        if let Some(ref sys) = request.system {
+            parts.push(format!("[System]\n{sys}"));
+        }
+
+        for msg in &request.messages {
+            let role_label = match msg.role {
+                Role::User => "User",
+                Role::Assistant => "Assistant",
+                Role::System => "System",
+            };
+            let text = msg.content.text_content();
+            if !text.is_empty() {
+                parts.push(format!("[{role_label}]\n{text}"));
+            }
+        }
+
+        parts.join("\n\n")
+    }
+
+    /// Map a model ID like "claude-code/opus" to CLI --model flag value.
+    fn model_flag(model: &str) -> Option<String> {
+        let stripped = model
+            .strip_prefix("claude-code/")
+            .unwrap_or(model);
+        match stripped {
+            "opus" => Some("opus".to_string()),
+            "sonnet" => Some("sonnet".to_string()),
+            "haiku" => Some("haiku".to_string()),
+            _ => Some(stripped.to_string()),
+        }
+    }
+}
+
+/// JSON output from `claude -p --output-format json`.
+#[derive(Debug, Deserialize)]
+struct ClaudeJsonOutput {
+    result: Option<String>,
+    #[serde(default)]
+    usage: Option<ClaudeUsage>,
+    #[serde(default)]
+    #[allow(dead_code)]
+    cost_usd: Option<f64>,
+}
+
+/// Usage stats from Claude CLI JSON output.
+#[derive(Debug, Deserialize, Default)]
+struct ClaudeUsage {
+    #[serde(default)]
+    input_tokens: u64,
+    #[serde(default)]
+    output_tokens: u64,
+}
+
+/// Stream JSON event from `claude -p --output-format stream-json`.
+#[derive(Debug, Deserialize)]
+struct ClaudeStreamEvent {
+    #[serde(default)]
+    r#type: String,
+    #[serde(default)]
+    content: Option<String>,
+    #[serde(default)]
+    result: Option<String>,
+    #[serde(default)]
+    usage: Option<ClaudeUsage>,
+}
+
+#[async_trait]
+impl LlmDriver for ClaudeCodeDriver {
+    async fn complete(
+        &self,
+        request: CompletionRequest,
+    ) -> Result<CompletionResponse, LlmError> {
+        let prompt = Self::build_prompt(&request);
+        let model_flag = Self::model_flag(&request.model);
+
+        let mut cmd = tokio::process::Command::new(&self.cli_path);
+        cmd.arg("-p")
+            .arg(&prompt)
+            .arg("--output-format")
+            .arg("json");
+
+        if let Some(ref model) = model_flag {
+            cmd.arg("--model").arg(model);
+        }
+
+        // SECURITY: Don't inherit all env vars — only safe ones
+        cmd.stdout(std::process::Stdio::piped());
+        cmd.stderr(std::process::Stdio::piped());
+
+        debug!(cli = %self.cli_path, "Spawning Claude Code CLI");
+
+        let output = cmd
+            .output()
+            .await
+            .map_err(|e| LlmError::Http(format!("Failed to spawn claude CLI: {e}")))?;
+
+        if !output.status.success() {
+            let stderr = String::from_utf8_lossy(&output.stderr);
+            return Err(LlmError::Api {
+                status: output.status.code().unwrap_or(1) as u16,
+                message: format!("Claude CLI failed: {stderr}"),
+            });
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+
+        // Try JSON parse first
+        if let Ok(parsed) = serde_json::from_str::<ClaudeJsonOutput>(&stdout) {
+            let text = parsed.result.unwrap_or_default();
+            let usage = parsed.usage.unwrap_or_default();
+            return Ok(CompletionResponse {
+                content: vec![ContentBlock::Text { text: text.clone() }],
+                stop_reason: StopReason::EndTurn,
+                tool_calls: Vec::new(),
+                usage: TokenUsage {
+                    input_tokens: usage.input_tokens,
+                    output_tokens: usage.output_tokens,
+                },
+            });
+        }
+
+        // Fallback: treat entire stdout as plain text
+        let text = stdout.trim().to_string();
+        Ok(CompletionResponse {
+            content: vec![ContentBlock::Text { text }],
+            stop_reason: StopReason::EndTurn,
+            tool_calls: Vec::new(),
+            usage: TokenUsage {
+                input_tokens: 0,
+                output_tokens: 0,
+            },
+        })
+    }
+
+    async fn stream(
+        &self,
+        request: CompletionRequest,
+        tx: tokio::sync::mpsc::Sender<StreamEvent>,
+    ) -> Result<CompletionResponse, LlmError> {
+        let prompt = Self::build_prompt(&request);
+        let model_flag = Self::model_flag(&request.model);
+
+        let mut cmd = tokio::process::Command::new(&self.cli_path);
+        cmd.arg("-p")
+            .arg(&prompt)
+            .arg("--output-format")
+            .arg("stream-json");
+
+        if let Some(ref model) = model_flag {
+            cmd.arg("--model").arg(model);
+        }
+
+        cmd.stdout(std::process::Stdio::piped());
+        cmd.stderr(std::process::Stdio::piped());
+
+        debug!(cli = %self.cli_path, "Spawning Claude Code CLI (streaming)");
+
+        let mut child = cmd
+            .spawn()
+            .map_err(|e| LlmError::Http(format!("Failed to spawn claude CLI: {e}")))?;
+
+        let stdout = child
+            .stdout
+            .take()
+            .ok_or_else(|| LlmError::Http("No stdout from claude CLI".to_string()))?;
+
+        let reader = tokio::io::BufReader::new(stdout);
+        let mut lines = reader.lines();
+
+        let mut full_text = String::new();
+        let mut final_usage = TokenUsage {
+            input_tokens: 0,
+            output_tokens: 0,
+        };
+
+        while let Ok(Some(line)) = lines.next_line().await {
+            if line.trim().is_empty() {
+                continue;
+            }
+
+            match serde_json::from_str::<ClaudeStreamEvent>(&line) {
+                Ok(event) => {
+                    match event.r#type.as_str() {
+                        "content" | "text" => {
+                            if let Some(ref content) = event.content {
+                                full_text.push_str(content);
+                                let _ = tx
+                                    .send(StreamEvent::TextDelta {
+                                        text: content.clone(),
+                                    })
+                                    .await;
+                            }
+                        }
+                        "result" | "done" | "complete" => {
+                            if let Some(ref result) = event.result {
+                                if full_text.is_empty() {
+                                    full_text = result.clone();
+                                    let _ = tx
+                                        .send(StreamEvent::TextDelta {
+                                            text: result.clone(),
+                                        })
+                                        .await;
+                                }
+                            }
+                            if let Some(usage) = event.usage {
+                                final_usage = TokenUsage {
+                                    input_tokens: usage.input_tokens,
+                                    output_tokens: usage.output_tokens,
+                                };
+                            }
+                        }
+                        _ => {
+                            // Unknown event type — try content field as fallback
+                            if let Some(ref content) = event.content {
+                                full_text.push_str(content);
+                                let _ = tx
+                                    .send(StreamEvent::TextDelta {
+                                        text: content.clone(),
+                                    })
+                                    .await;
+                            }
+                        }
+                    }
+                }
+                Err(e) => {
+                    // Not valid JSON — treat as raw text
+                    warn!(line = %line, error = %e, "Non-JSON line from Claude CLI");
+                    full_text.push_str(&line);
+                    let _ = tx
+                        .send(StreamEvent::TextDelta { text: line })
+                        .await;
+                }
+            }
+        }
+
+        // Wait for process to finish
+        let status = child
+            .wait()
+            .await
+            .map_err(|e| LlmError::Http(format!("Claude CLI wait failed: {e}")))?;
+
+        if !status.success() {
+            warn!(code = ?status.code(), "Claude CLI exited with error");
+        }
+
+        let _ = tx
+            .send(StreamEvent::ContentComplete {
+                stop_reason: StopReason::EndTurn,
+                usage: final_usage,
+            })
+            .await;
+
+        Ok(CompletionResponse {
+            content: vec![ContentBlock::Text { text: full_text }],
+            stop_reason: StopReason::EndTurn,
+            tool_calls: Vec::new(),
+            usage: final_usage,
+        })
+    }
+}
+
+/// Check if the Claude Code CLI is available.
+pub fn claude_code_available() -> bool {
+    ClaudeCodeDriver::detect().is_some()
+        || claude_credentials_exist()
+}
+
+/// Check if Claude credentials file exists (~/.claude/.credentials.json).
+fn claude_credentials_exist() -> bool {
+    if let Some(home) = home_dir() {
+        home.join(".claude").join(".credentials.json").exists()
+    } else {
+        false
+    }
+}
+
+/// Cross-platform home directory.
+fn home_dir() -> Option<std::path::PathBuf> {
+    #[cfg(target_os = "windows")]
+    {
+        std::env::var("USERPROFILE").ok().map(std::path::PathBuf::from)
+    }
+    #[cfg(not(target_os = "windows"))]
+    {
+        std::env::var("HOME").ok().map(std::path::PathBuf::from)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_build_prompt_simple() {
+        use openfang_types::message::{Message, MessageContent};
+
+        let request = CompletionRequest {
+            model: "claude-code/sonnet".to_string(),
+            messages: vec![Message {
+                role: Role::User,
+                content: MessageContent::text("Hello"),
+            }],
+            tools: vec![],
+            max_tokens: 1024,
+            temperature: 0.7,
+            system: Some("You are helpful.".to_string()),
+            thinking: None,
+        };
+
+        let prompt = ClaudeCodeDriver::build_prompt(&request);
+        assert!(prompt.contains("[System]"));
+        assert!(prompt.contains("You are helpful."));
+        assert!(prompt.contains("[User]"));
+        assert!(prompt.contains("Hello"));
+    }
+
+    #[test]
+    fn test_model_flag_mapping() {
+        assert_eq!(
+            ClaudeCodeDriver::model_flag("claude-code/opus"),
+            Some("opus".to_string())
+        );
+        assert_eq!(
+            ClaudeCodeDriver::model_flag("claude-code/sonnet"),
+            Some("sonnet".to_string())
+        );
+        assert_eq!(
+            ClaudeCodeDriver::model_flag("claude-code/haiku"),
+            Some("haiku".to_string())
+        );
+        assert_eq!(
+            ClaudeCodeDriver::model_flag("custom-model"),
+            Some("custom-model".to_string())
+        );
+    }
+
+    #[test]
+    fn test_new_defaults_to_claude() {
+        let driver = ClaudeCodeDriver::new(None);
+        assert_eq!(driver.cli_path, "claude");
+    }
+
+    #[test]
+    fn test_new_with_custom_path() {
+        let driver = ClaudeCodeDriver::new(Some("/usr/local/bin/claude".to_string()));
+        assert_eq!(driver.cli_path, "/usr/local/bin/claude");
+    }
+
+    #[test]
+    fn test_new_with_empty_path() {
+        let driver = ClaudeCodeDriver::new(Some(String::new()));
+        assert_eq!(driver.cli_path, "claude");
+    }
+}
@@ -10,8 +10,8 @@ use tracing::warn;

 /// A driver that wraps multiple LLM drivers and tries each in order.
 ///
-/// On failure, moves to the next driver. Rate-limit and overload errors
-/// are bubbled up for retry logic to handle.
+/// On failure (including rate-limit and overload), moves to the next driver.
+/// Only returns an error when ALL drivers in the chain are exhausted.
 pub struct FallbackDriver {
    drivers: Vec<Arc<dyn LlmDriver>>,
 }
@@ -34,8 +34,12 @@ impl LlmDriver for FallbackDriver {
            match driver.complete(request.clone()).await {
                Ok(response) => return Ok(response),
                Err(e @ LlmError::RateLimited { .. }) | Err(e @ LlmError::Overloaded { .. }) => {
-                    // Retryable errors — bubble up for the retry loop to handle
-                    return Err(e);
+                    warn!(
+                        driver_index = i,
+                        error = %e,
+                        "Driver rate-limited/overloaded, trying next fallback"
+                    );
+                    last_error = Some(e);
                }
                Err(e) => {
                    warn!(
@@ -65,7 +69,12 @@ impl LlmDriver for FallbackDriver {
            match driver.stream(request.clone(), tx.clone()).await {
                Ok(response) => return Ok(response),
                Err(e @ LlmError::RateLimited { .. }) | Err(e @ LlmError::Overloaded { .. }) => {
-                    return Err(e);
+                    warn!(
+                        driver_index = i,
+                        error = %e,
+                        "Driver rate-limited/overloaded (stream), trying next fallback"
+                    );
+                    last_error = Some(e);
                }
                Err(e) => {
                    warn!(
@@ -166,7 +175,7 @@ mod tests {
    }

    #[tokio::test]
-    async fn test_rate_limit_bubbles_up() {
+    async fn test_rate_limit_falls_through() {
        struct RateLimitDriver;

        #[async_trait]
@@ -186,7 +195,33 @@ mod tests {
            Arc::new(OkDriver) as Arc<dyn LlmDriver>,
        ]);
        let result = driver.complete(test_request()).await;
-        // Rate limit should NOT fall through to next driver
+        // Rate limit should fall through to the OkDriver fallback
+        assert!(result.is_ok());
+        assert_eq!(result.unwrap().text(), "OK");
+    }
+
+    #[tokio::test]
+    async fn test_rate_limit_all_fail() {
+        struct RateLimitDriver;
+
+        #[async_trait]
+        impl LlmDriver for RateLimitDriver {
+            async fn complete(
+                &self,
+                _req: CompletionRequest,
+            ) -> Result<CompletionResponse, LlmError> {
+                Err(LlmError::RateLimited {
+                    retry_after_ms: 5000,
+                })
+            }
+        }
+
+        let driver = FallbackDriver::new(vec![
+            Arc::new(RateLimitDriver) as Arc<dyn LlmDriver>,
+            Arc::new(RateLimitDriver) as Arc<dyn LlmDriver>,
+        ]);
+        let result = driver.complete(test_request()).await;
+        // All drivers rate-limited — error should bubble up
        assert!(matches!(result, Err(LlmError::RateLimited { .. })));
    }
 }
@@ -213,10 +213,17 @@ fn convert_messages(
                                },
                            });
                        }
-                        ContentBlock::ToolResult { content, .. } => {
+                        ContentBlock::ToolResult {
+                            content, tool_name, ..
+                        } => {
+                            let fn_name = if tool_name.is_empty() {
+                                "unknown_function".to_string()
+                            } else {
+                                tool_name.clone()
+                            };
                            parts.push(GeminiPart::FunctionResponse {
                                function_response: GeminiFunctionResponseData {
-                                    name: String::new(),
+                                    name: fn_name,
                                    response: serde_json::json!({ "result": content }),
                                },
                            });
@@ -5,6 +5,7 @@
 //! Mistral, Fireworks, Ollama, vLLM, and any OpenAI-compatible endpoint.

 pub mod anthropic;
+pub mod claude_code;
 pub mod copilot;
 pub mod fallback;
 pub mod gemini;
@@ -17,7 +18,7 @@ use openfang_types::model_catalog::{
    MINIMAX_BASE_URL, MISTRAL_BASE_URL, MOONSHOT_BASE_URL, OLLAMA_BASE_URL, OPENAI_BASE_URL,
    OPENROUTER_BASE_URL, PERPLEXITY_BASE_URL, QIANFAN_BASE_URL, QWEN_BASE_URL,
    REPLICATE_BASE_URL, SAMBANOVA_BASE_URL, TOGETHER_BASE_URL, VLLM_BASE_URL, XAI_BASE_URL,
-    ZHIPU_BASE_URL,
+    ZHIPU_BASE_URL, ZHIPU_CODING_BASE_URL,
 };
 use std::sync::Arc;

@@ -132,6 +133,16 @@ fn provider_defaults(provider: &str) -> Option<ProviderDefaults> {
            api_key_env: "GITHUB_TOKEN",
            key_required: true,
        }),
+        "codex" | "openai-codex" => Some(ProviderDefaults {
+            base_url: OPENAI_BASE_URL,
+            api_key_env: "OPENAI_API_KEY",
+            key_required: true,
+        }),
+        "claude-code" => Some(ProviderDefaults {
+            base_url: "",
+            api_key_env: "",
+            key_required: false,
+        }),
        "moonshot" | "kimi" => Some(ProviderDefaults {
            base_url: MOONSHOT_BASE_URL,
            api_key_env: "MOONSHOT_API_KEY",
@@ -152,6 +163,11 @@ fn provider_defaults(provider: &str) -> Option<ProviderDefaults> {
            api_key_env: "ZHIPU_API_KEY",
            key_required: true,
        }),
+        "zhipu_coding" | "codegeex" => Some(ProviderDefaults {
+            base_url: ZHIPU_CODING_BASE_URL,
+            api_key_env: "ZHIPU_API_KEY",
+            key_required: true,
+        }),
        "qianfan" | "baidu" => Some(ProviderDefaults {
            base_url: QIANFAN_BASE_URL,
            api_key_env: "QIANFAN_API_KEY",
@@ -222,6 +238,31 @@ pub fn create_driver(config: &DriverConfig) -> Result<Arc<dyn LlmDriver>, LlmErr
        return Ok(Arc::new(gemini::GeminiDriver::new(api_key, base_url)));
    }

+    // Codex — reuses OpenAI driver with credential sync from Codex CLI
+    if provider == "codex" || provider == "openai-codex" {
+        let api_key = config
+            .api_key
+            .clone()
+            .or_else(|| std::env::var("OPENAI_API_KEY").ok())
+            .or_else(crate::model_catalog::read_codex_credential)
+            .ok_or_else(|| {
+                LlmError::MissingApiKey(
+                    "Set OPENAI_API_KEY or install Codex CLI".to_string(),
+                )
+            })?;
+        let base_url = config
+            .base_url
+            .clone()
+            .unwrap_or_else(|| OPENAI_BASE_URL.to_string());
+        return Ok(Arc::new(openai::OpenAIDriver::new(api_key, base_url)));
+    }
+
+    // Claude Code CLI — subprocess-based, no API key needed
+    if provider == "claude-code" {
+        let cli_path = config.base_url.clone();
+        return Ok(Arc::new(claude_code::ClaudeCodeDriver::new(cli_path)));
+    }
+
    // GitHub Copilot — wraps OpenAI-compatible driver with automatic token exchange.
    // The CopilotDriver exchanges the GitHub PAT for a Copilot API token on demand,
    // caches it, and refreshes when expired.
@@ -282,8 +323,8 @@ pub fn create_driver(config: &DriverConfig) -> Result<Arc<dyn LlmDriver>, LlmErr
        message: format!(
            "Unknown provider '{}'. Supported: anthropic, gemini, openai, groq, openrouter, \
             deepseek, together, mistral, fireworks, ollama, vllm, lmstudio, perplexity, \
-             cohere, ai21, cerebras, sambanova, huggingface, xai, replicate, github-copilot. \
-             Or set base_url for a custom OpenAI-compatible endpoint.",
+             cohere, ai21, cerebras, sambanova, huggingface, xai, replicate, github-copilot, \
+             codex, claude-code. Or set base_url for a custom OpenAI-compatible endpoint.",
            provider
        ),
    })
@@ -317,7 +358,10 @@ pub fn known_providers() -> &'static [&'static str] {
        "qwen",
        "minimax",
        "zhipu",
+        "zhipu_coding",
        "qianfan",
+        "codex",
+        "claude-code",
    ]
 }

@@ -409,8 +453,11 @@ mod tests {
        assert!(providers.contains(&"qwen"));
        assert!(providers.contains(&"minimax"));
        assert!(providers.contains(&"zhipu"));
+        assert!(providers.contains(&"zhipu_coding"));
        assert!(providers.contains(&"qianfan"));
-        assert_eq!(providers.len(), 26);
+        assert!(providers.contains(&"codex"));
+        assert!(providers.contains(&"claude-code"));
+        assert_eq!(providers.len(), 29);
    }

    #[test]
@@ -172,6 +172,18 @@ pub trait KernelHandle: Send + Sync {
        None
    }

+    /// Send a message to a user on a named channel adapter (e.g., "email", "telegram").
+    /// Returns a confirmation string on success.
+    async fn send_channel_message(
+        &self,
+        channel: &str,
+        recipient: &str,
+        message: &str,
+    ) -> Result<String, String> {
+        let _ = (channel, recipient, message);
+        Err("Channel send not available".to_string())
+    }
+
    /// Spawn an agent with capability inheritance enforcement.
    /// `parent_caps` are the parent's granted capabilities. The kernel MUST verify
    /// that every capability in the child manifest is covered by `parent_caps`.
@@ -11,6 +11,7 @@ pub mod auth_cooldown;
 pub mod browser;
 pub mod command_lane;
 pub mod compactor;
+pub mod copilot_oauth;
 pub mod context_budget;
 pub mod context_overflow;
 pub mod docker_sandbox;
@@ -10,7 +10,7 @@ use openfang_types::model_catalog::{
    LMSTUDIO_BASE_URL, MINIMAX_BASE_URL, MISTRAL_BASE_URL, MOONSHOT_BASE_URL, OLLAMA_BASE_URL,
    OPENAI_BASE_URL, OPENROUTER_BASE_URL, PERPLEXITY_BASE_URL, QIANFAN_BASE_URL, QWEN_BASE_URL,
    REPLICATE_BASE_URL, SAMBANOVA_BASE_URL, TOGETHER_BASE_URL, VLLM_BASE_URL, XAI_BASE_URL,
-    ZHIPU_BASE_URL,
+    ZHIPU_BASE_URL, ZHIPU_CODING_BASE_URL,
 };
 use std::collections::HashMap;

@@ -48,16 +48,28 @@ impl ModelCatalog {
        for provider in &mut self.providers {
            if !provider.key_required {
                provider.auth_status = AuthStatus::NotRequired;
-            } else if std::env::var(&provider.api_key_env).is_ok() {
-                provider.auth_status = AuthStatus::Configured;
-            } else {
-                // Special case: Gemini also accepts GOOGLE_API_KEY
-                if provider.id == "gemini" && std::env::var("GOOGLE_API_KEY").is_ok() {
-                    provider.auth_status = AuthStatus::Configured;
-                } else {
-                    provider.auth_status = AuthStatus::Missing;
-                }
+                continue;
            }
+
+            // Primary: check the provider's declared env var
+            let has_key = std::env::var(&provider.api_key_env).is_ok();
+
+            // Secondary: provider-specific fallback auth
+            let has_fallback = match provider.id.as_str() {
+                "gemini" => std::env::var("GOOGLE_API_KEY").is_ok(),
+                "codex" => {
+                    std::env::var("OPENAI_API_KEY").is_ok()
+                        || read_codex_credential().is_some()
+                }
+                "claude-code" => crate::drivers::claude_code::claude_code_available(),
+                _ => false,
+            };
+
+            provider.auth_status = if has_key || has_fallback {
+                AuthStatus::Configured
+            } else {
+                AuthStatus::Missing
+            };
        }
    }

@@ -202,6 +214,73 @@ impl ModelCatalog {
            }
        }
    }
+
+    /// Add a custom model at runtime.
+    ///
+    /// Returns `true` if the model was added, `false` if a model with that ID
+    /// already exists (case-insensitive).
+    pub fn add_custom_model(&mut self, entry: ModelCatalogEntry) -> bool {
+        let lower = entry.id.to_lowercase();
+        if self.models.iter().any(|m| m.id.to_lowercase() == lower) {
+            return false;
+        }
+        let provider = entry.provider.clone();
+        self.models.push(entry);
+
+        // Update provider model count
+        if let Some(p) = self.providers.iter_mut().find(|p| p.id == provider) {
+            p.model_count = self
+                .models
+                .iter()
+                .filter(|m| m.provider == provider)
+                .count();
+        }
+        true
+    }
+
+    /// Remove a custom model by ID.
+    ///
+    /// Only removes models with `Custom` tier to prevent accidental deletion
+    /// of builtin models. Returns `true` if removed.
+    pub fn remove_custom_model(&mut self, model_id: &str) -> bool {
+        let lower = model_id.to_lowercase();
+        let before = self.models.len();
+        self.models
+            .retain(|m| !(m.id.to_lowercase() == lower && m.tier == ModelTier::Custom));
+        self.models.len() < before
+    }
+
+    /// Load custom models from a JSON file.
+    ///
+    /// Merges them into the catalog. Skips models that already exist.
+    pub fn load_custom_models(&mut self, path: &std::path::Path) {
+        if !path.exists() {
+            return;
+        }
+        let Ok(data) = std::fs::read_to_string(path) else {
+            return;
+        };
+        let Ok(entries) = serde_json::from_str::<Vec<ModelCatalogEntry>>(&data) else {
+            return;
+        };
+        for entry in entries {
+            self.add_custom_model(entry);
+        }
+    }
+
+    /// Save all custom-tier models to a JSON file.
+    pub fn save_custom_models(&self, path: &std::path::Path) -> Result<(), String> {
+        let custom: Vec<&ModelCatalogEntry> = self
+            .models
+            .iter()
+            .filter(|m| m.tier == ModelTier::Custom)
+            .collect();
+        let json = serde_json::to_string_pretty(&custom)
+            .map_err(|e| format!("Failed to serialize custom models: {e}"))?;
+        std::fs::write(path, json)
+            .map_err(|e| format!("Failed to write custom models file: {e}"))?;
+        Ok(())
+    }
 }

 impl Default for ModelCatalog {
@@ -210,6 +289,53 @@ impl Default for ModelCatalog {
    }
 }

+/// Read an OpenAI API key from the Codex CLI credential file.
+///
+/// Checks `$CODEX_HOME/auth.json` or `~/.codex/auth.json`.
+/// Returns `Some(api_key)` if the file exists and contains a valid, non-expired token.
+/// Only checks presence — the actual key value is used transiently, never stored.
+pub fn read_codex_credential() -> Option<String> {
+    let codex_home = std::env::var("CODEX_HOME")
+        .map(std::path::PathBuf::from)
+        .ok()
+        .or_else(|| {
+            #[cfg(target_os = "windows")]
+            {
+                std::env::var("USERPROFILE")
+                    .ok()
+                    .map(|h| std::path::PathBuf::from(h).join(".codex"))
+            }
+            #[cfg(not(target_os = "windows"))]
+            {
+                std::env::var("HOME")
+                    .ok()
+                    .map(|h| std::path::PathBuf::from(h).join(".codex"))
+            }
+        })?;
+
+    let auth_path = codex_home.join("auth.json");
+    let content = std::fs::read_to_string(&auth_path).ok()?;
+    let parsed: serde_json::Value = serde_json::from_str(&content).ok()?;
+
+    // Check expiry if present
+    if let Some(expires_at) = parsed.get("expires_at").and_then(|v| v.as_i64()) {
+        let now = std::time::SystemTime::now()
+            .duration_since(std::time::UNIX_EPOCH)
+            .unwrap_or_default()
+            .as_secs() as i64;
+        if now >= expires_at {
+            return None; // Expired
+        }
+    }
+
+    parsed
+        .get("api_key")
+        .or_else(|| parsed.get("token"))
+        .and_then(|v| v.as_str())
+        .filter(|s| !s.is_empty())
+        .map(|s| s.to_string())
+}
+
 // ---------------------------------------------------------------------------
 // Builtin data
 // ---------------------------------------------------------------------------
@@ -435,6 +561,15 @@ fn builtin_providers() -> Vec<ProviderInfo> {
            auth_status: AuthStatus::Missing,
            model_count: 0,
        },
+        ProviderInfo {
+            id: "zhipu_coding".into(),
+            display_name: "Zhipu Coding (CodeGeeX)".into(),
+            api_key_env: "ZHIPU_API_KEY".into(),
+            base_url: ZHIPU_CODING_BASE_URL.into(),
+            key_required: true,
+            auth_status: AuthStatus::Missing,
+            model_count: 0,
+        },
        ProviderInfo {
            id: "moonshot".into(),
            display_name: "Moonshot (Kimi)".into(),
@@ -463,6 +598,26 @@ fn builtin_providers() -> Vec<ProviderInfo> {
            auth_status: AuthStatus::Missing,
            model_count: 0,
        },
+        // ── OpenAI Codex ────────────────────────────────────────────
+        ProviderInfo {
+            id: "codex".into(),
+            display_name: "OpenAI Codex".into(),
+            api_key_env: "OPENAI_API_KEY".into(),
+            base_url: OPENAI_BASE_URL.into(),
+            key_required: true,
+            auth_status: AuthStatus::Missing,
+            model_count: 0,
+        },
+        // ── Claude Code CLI ─────────────────────────────────────────
+        ProviderInfo {
+            id: "claude-code".into(),
+            display_name: "Claude Code".into(),
+            api_key_env: String::new(),
+            base_url: String::new(),
+            key_required: false,
+            auth_status: AuthStatus::NotRequired,
+            model_count: 0,
+        },
    ]
 }

@@ -517,7 +672,19 @@ fn builtin_aliases() -> HashMap<String, String> {
        ("glm", "glm-4-plus"),
        ("ernie", "ernie-4.5-8k"),
        ("kimi", "moonshot-v1-128k"),
-        ("minimax", "minimax-text-01"),
+        ("minimax", "MiniMax-M2.5"),
+        ("minimax-m2.5", "MiniMax-M2.5"),
+        ("minimax-m2.1", "MiniMax-M2.1"),
+        ("codegeex", "codegeex-4"),
+        // Codex aliases
+        ("codex", "codex/gpt-4.1"),
+        ("codex-4.1", "codex/gpt-4.1"),
+        ("codex-o4", "codex/o4-mini"),
+        // Claude Code aliases
+        ("claude-code", "claude-code/sonnet"),
+        ("claude-code-opus", "claude-code/opus"),
+        ("claude-code-sonnet", "claude-code/sonnet"),
+        ("claude-code-haiku", "claude-code/haiku"),
    ];
    pairs
        .into_iter()
@@ -1144,20 +1311,6 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            supports_streaming: true,
            aliases: vec![],
        },
-        ModelCatalogEntry {
-            id: "deepseek-r1-distill-llama-70b".into(),
-            display_name: "DeepSeek R1 Distill 70B".into(),
-            provider: "groq".into(),
-            tier: ModelTier::Smart,
-            context_window: 128_000,
-            max_output_tokens: 16_384,
-            input_cost_per_m: 0.75,
-            output_cost_per_m: 0.99,
-            supports_tools: true,
-            supports_vision: false,
-            supports_streaming: true,
-            aliases: vec![],
-        },
        ModelCatalogEntry {
            id: "mixtral-8x7b-32768".into(),
            display_name: "Mixtral 8x7B".into(),
@@ -1215,7 +1368,7 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            aliases: vec![],
        },
        // ══════════════════════════════════════════════════════════════
-        // OpenRouter (5)
+        // OpenRouter (11)
        // ══════════════════════════════════════════════════════════════
        ModelCatalogEntry {
            id: "openrouter/auto".into(),
@@ -1287,6 +1440,76 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            supports_streaming: true,
            aliases: vec![],
        },
+        ModelCatalogEntry {
+            id: "openrouter/meta-llama/llama-3.3-70b-instruct".into(),
+            display_name: "Llama 3.3 70B (OpenRouter, free)".into(),
+            provider: "openrouter".into(),
+            tier: ModelTier::Balanced,
+            context_window: 128_000,
+            max_output_tokens: 32_768,
+            input_cost_per_m: 0.0,
+            output_cost_per_m: 0.0,
+            supports_tools: true,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec![],
+        },
+        ModelCatalogEntry {
+            id: "openrouter/mistralai/mistral-7b-instruct".into(),
+            display_name: "Mistral 7B (OpenRouter, free)".into(),
+            provider: "openrouter".into(),
+            tier: ModelTier::Fast,
+            context_window: 32_768,
+            max_output_tokens: 8_192,
+            input_cost_per_m: 0.0,
+            output_cost_per_m: 0.0,
+            supports_tools: false,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec![],
+        },
+        ModelCatalogEntry {
+            id: "openrouter/google/gemma-2-9b-it".into(),
+            display_name: "Gemma 2 9B (OpenRouter, free)".into(),
+            provider: "openrouter".into(),
+            tier: ModelTier::Fast,
+            context_window: 8_192,
+            max_output_tokens: 4_096,
+            input_cost_per_m: 0.0,
+            output_cost_per_m: 0.0,
+            supports_tools: false,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec![],
+        },
+        ModelCatalogEntry {
+            id: "openrouter/qwen/qwen-2.5-72b-instruct".into(),
+            display_name: "Qwen 2.5 72B (OpenRouter, free)".into(),
+            provider: "openrouter".into(),
+            tier: ModelTier::Balanced,
+            context_window: 128_000,
+            max_output_tokens: 32_768,
+            input_cost_per_m: 0.0,
+            output_cost_per_m: 0.0,
+            supports_tools: true,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec![],
+        },
+        ModelCatalogEntry {
+            id: "openrouter/deepseek/deepseek-chat-v3-0324".into(),
+            display_name: "DeepSeek V3 0324 (OpenRouter)".into(),
+            provider: "openrouter".into(),
+            tier: ModelTier::Smart,
+            context_window: 128_000,
+            max_output_tokens: 32_768,
+            input_cost_per_m: 0.14,
+            output_cost_per_m: 0.28,
+            supports_tools: true,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec![],
+        },
        // ══════════════════════════════════════════════════════════════
        // Mistral (6)
        // ══════════════════════════════════════════════════════════════
@@ -2246,7 +2469,7 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            aliases: vec![],
        },
        // ══════════════════════════════════════════════════════════════
-        // MiniMax (3)
+        // MiniMax (4)
        // ══════════════════════════════════════════════════════════════
        ModelCatalogEntry {
            id: "minimax-text-01".into(),
@@ -2262,6 +2485,20 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            supports_streaming: true,
            aliases: vec!["minimax".into()],
        },
+        ModelCatalogEntry {
+            id: "MiniMax-M2.5".into(),
+            display_name: "MiniMax M2.5".into(),
+            provider: "minimax".into(),
+            tier: ModelTier::Frontier,
+            context_window: 1_048_576,
+            max_output_tokens: 16_384,
+            input_cost_per_m: 1.10,
+            output_cost_per_m: 4.40,
+            supports_tools: true,
+            supports_vision: true,
+            supports_streaming: true,
+            aliases: vec!["minimax-m2.5".into()],
+        },
        ModelCatalogEntry {
            id: "MiniMax-M2.1".into(),
            display_name: "MiniMax M2.1".into(),
@@ -2274,7 +2511,7 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            supports_tools: true,
            supports_vision: false,
            supports_streaming: true,
-            aliases: vec![],
+            aliases: vec!["minimax-m2.1".into()],
        },
        ModelCatalogEntry {
            id: "abab6.5-chat".into(),
@@ -2350,6 +2587,23 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            aliases: vec![],
        },
        // ══════════════════════════════════════════════════════════════
+        // Zhipu Coding / CodeGeeX (1)
+        // ══════════════════════════════════════════════════════════════
+        ModelCatalogEntry {
+            id: "codegeex-4".into(),
+            display_name: "CodeGeeX 4".into(),
+            provider: "zhipu_coding".into(),
+            tier: ModelTier::Smart,
+            context_window: 131_072,
+            max_output_tokens: 8_192,
+            input_cost_per_m: 0.10,
+            output_cost_per_m: 0.10,
+            supports_tools: true,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec!["codegeex".into()],
+        },
+        // ══════════════════════════════════════════════════════════════
        // Moonshot / Kimi (3)
        // ══════════════════════════════════════════════════════════════
        ModelCatalogEntry {
@@ -2554,6 +2808,82 @@ fn builtin_models() -> Vec<ModelCatalogEntry> {
            supports_streaming: true,
            aliases: vec![],
        },
+        // ══════════════════════════════════════════════════════════════
+        // OpenAI Codex (2) — reuses OpenAI driver
+        // ══════════════════════════════════════════════════════════════
+        ModelCatalogEntry {
+            id: "codex/gpt-4.1".into(),
+            display_name: "GPT-4.1 (Codex)".into(),
+            provider: "codex".into(),
+            tier: ModelTier::Frontier,
+            context_window: 1_047_576,
+            max_output_tokens: 32_768,
+            input_cost_per_m: 2.00,
+            output_cost_per_m: 8.00,
+            supports_tools: true,
+            supports_vision: true,
+            supports_streaming: true,
+            aliases: vec!["codex".into(), "codex-4.1".into()],
+        },
+        ModelCatalogEntry {
+            id: "codex/o4-mini".into(),
+            display_name: "o4-mini (Codex)".into(),
+            provider: "codex".into(),
+            tier: ModelTier::Smart,
+            context_window: 200_000,
+            max_output_tokens: 100_000,
+            input_cost_per_m: 1.10,
+            output_cost_per_m: 4.40,
+            supports_tools: true,
+            supports_vision: true,
+            supports_streaming: true,
+            aliases: vec!["codex-o4".into()],
+        },
+        // ══════════════════════════════════════════════════════════════
+        // Claude Code CLI (3) — subprocess-based
+        // ══════════════════════════════════════════════════════════════
+        ModelCatalogEntry {
+            id: "claude-code/opus".into(),
+            display_name: "Claude Opus (CLI)".into(),
+            provider: "claude-code".into(),
+            tier: ModelTier::Frontier,
+            context_window: 200_000,
+            max_output_tokens: 128_000,
+            input_cost_per_m: 5.0,
+            output_cost_per_m: 25.0,
+            supports_tools: false,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec!["claude-code-opus".into()],
+        },
+        ModelCatalogEntry {
+            id: "claude-code/sonnet".into(),
+            display_name: "Claude Sonnet (CLI)".into(),
+            provider: "claude-code".into(),
+            tier: ModelTier::Smart,
+            context_window: 200_000,
+            max_output_tokens: 64_000,
+            input_cost_per_m: 3.0,
+            output_cost_per_m: 15.0,
+            supports_tools: false,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec!["claude-code".into(), "claude-code-sonnet".into()],
+        },
+        ModelCatalogEntry {
+            id: "claude-code/haiku".into(),
+            display_name: "Claude Haiku (CLI)".into(),
+            provider: "claude-code".into(),
+            tier: ModelTier::Fast,
+            context_window: 200_000,
+            max_output_tokens: 8_192,
+            input_cost_per_m: 0.25,
+            output_cost_per_m: 1.25,
+            supports_tools: false,
+            supports_vision: false,
+            supports_streaming: true,
+            aliases: vec!["claude-code-haiku".into()],
+        },
    ]
 }

@@ -2570,7 +2900,7 @@ mod tests {
    #[test]
    fn test_catalog_has_providers() {
        let catalog = ModelCatalog::new();
-        assert_eq!(catalog.list_providers().len(), 27);
+        assert_eq!(catalog.list_providers().len(), 30);
    }

    #[test]
@@ -2680,7 +3010,7 @@ mod tests {
        let anthropic = catalog.get_provider("anthropic").unwrap();
        assert_eq!(anthropic.model_count, 7);
        let groq = catalog.get_provider("groq").unwrap();
-        assert_eq!(groq.model_count, 11);
+        assert_eq!(groq.model_count, 10);
    }

    #[test]
@@ -2790,6 +3120,7 @@ mod tests {
        assert!(catalog.get_provider("qwen").is_some());
        assert!(catalog.get_provider("minimax").is_some());
        assert!(catalog.get_provider("zhipu").is_some());
+        assert!(catalog.get_provider("zhipu_coding").is_some());
        assert!(catalog.get_provider("moonshot").is_some());
        assert!(catalog.get_provider("qianfan").is_some());
        assert!(catalog.get_provider("bedrock").is_some());
@@ -2800,8 +3131,17 @@ mod tests {
        let catalog = ModelCatalog::new();
        assert!(catalog.find_model("kimi").is_some());
        assert!(catalog.find_model("glm").is_some());
+        assert!(catalog.find_model("codegeex").is_some());
        assert!(catalog.find_model("ernie").is_some());
        assert!(catalog.find_model("minimax").is_some());
+        // MiniMax M2.5 — by exact ID, alias, and case-insensitive
+        let m25 = catalog.find_model("MiniMax-M2.5").unwrap();
+        assert_eq!(m25.provider, "minimax");
+        assert_eq!(m25.tier, ModelTier::Frontier);
+        assert!(catalog.find_model("minimax-m2.5").is_some());
+        // Default "minimax" alias now points to M2.5
+        let default = catalog.find_model("minimax").unwrap();
+        assert_eq!(default.id, "MiniMax-M2.5");
    }

    #[test]
@@ -2856,4 +3196,54 @@ mod tests {
            LMSTUDIO_BASE_URL
        );
    }
+
+    #[test]
+    fn test_codex_provider() {
+        let catalog = ModelCatalog::new();
+        let codex = catalog.get_provider("codex").unwrap();
+        assert_eq!(codex.display_name, "OpenAI Codex");
+        assert_eq!(codex.api_key_env, "OPENAI_API_KEY");
+        assert!(codex.key_required);
+    }
+
+    #[test]
+    fn test_codex_models() {
+        let catalog = ModelCatalog::new();
+        let models = catalog.models_by_provider("codex");
+        assert_eq!(models.len(), 2);
+        assert!(models.iter().any(|m| m.id == "codex/gpt-4.1"));
+        assert!(models.iter().any(|m| m.id == "codex/o4-mini"));
+    }
+
+    #[test]
+    fn test_codex_aliases() {
+        let catalog = ModelCatalog::new();
+        let entry = catalog.find_model("codex").unwrap();
+        assert_eq!(entry.id, "codex/gpt-4.1");
+    }
+
+    #[test]
+    fn test_claude_code_provider() {
+        let catalog = ModelCatalog::new();
+        let cc = catalog.get_provider("claude-code").unwrap();
+        assert_eq!(cc.display_name, "Claude Code");
+        assert!(!cc.key_required);
+    }
+
+    #[test]
+    fn test_claude_code_models() {
+        let catalog = ModelCatalog::new();
+        let models = catalog.models_by_provider("claude-code");
+        assert_eq!(models.len(), 3);
+        assert!(models.iter().any(|m| m.id == "claude-code/opus"));
+        assert!(models.iter().any(|m| m.id == "claude-code/sonnet"));
+        assert!(models.iter().any(|m| m.id == "claude-code/haiku"));
+    }
+
+    #[test]
+    fn test_claude_code_aliases() {
+        let catalog = ModelCatalog::new();
+        let entry = catalog.find_model("claude-code").unwrap();
+        assert_eq!(entry.id, "claude-code/sonnet");
+    }
 }
@@ -51,6 +51,8 @@ pub struct PromptContext {
    pub identity_md: Option<String>,
    /// HEARTBEAT.md content (autonomous agent checklist).
    pub heartbeat_md: Option<String>,
+    /// Peer agents visible to this agent: (name, state, model).
+    pub peer_agents: Vec<(String, String, String)>,
 }

 /// Build the complete system prompt from a `PromptContext`.
@@ -139,6 +141,11 @@ pub fn build_system_prompt(ctx: &PromptContext) -> String {
        }
    }

+    // Section 9.5 — Peer Agent Awareness (skip for subagents)
+    if !ctx.is_subagent && !ctx.peer_agents.is_empty() {
+        sections.push(build_peer_agents_section(&ctx.agent_name, &ctx.peer_agents));
+    }
+
    // Section 10 — Safety & Oversight (skip for subagents)
    if !ctx.is_subagent {
        sections.push(SAFETY_SECTION.to_string());
@@ -147,17 +154,8 @@ pub fn build_system_prompt(ctx: &PromptContext) -> String {
    // Section 11 — Operational Guidelines (always present)
    sections.push(OPERATIONAL_GUIDELINES.to_string());

-    // Section 12 — Canonical Context (skip for subagents)
-    if !ctx.is_subagent {
-        if let Some(ref canonical) = ctx.canonical_context {
-            if !canonical.is_empty() {
-                sections.push(format!(
-                    "## Previous Conversation Context\n{}",
-                    cap_str(canonical, 500)
-                ));
-            }
-        }
-    }
+    // Section 12 — Canonical Context moved to build_canonical_context_message()
+    // to keep the system prompt stable across turns for provider prompt caching.

    // Section 13 — Bootstrap Protocol (only on first-run, skip for subagents)
    if !ctx.is_subagent {
@@ -210,7 +208,10 @@ const TOOL_CALL_BEHAVIOR: &str = "\
 - Prefer action over narration. If you can answer by using a tool, do it.
 - When executing multiple sequential tool calls, batch them — don't output reasoning between each call.
 - If a tool returns useful results, present the KEY information, not the raw output.
- Start with the answer, not meta-commentary about how you'll help.";
+- Start with the answer, not meta-commentary about how you'll help.
+- IMPORTANT: If your instructions or persona mention a shell command, script path, or code snippet, \
+execute it via the appropriate tool call (shell_exec, file_write, etc.). Never output commands as \
+code blocks — always call the tool instead.";

 /// Build the grouped tools section (Section 3).
 pub fn build_tools_section(granted_tools: &[String]) -> String {
@@ -245,6 +246,21 @@ pub fn build_tools_section(granted_tools: &[String]) -> String {
    out
 }

+/// Build canonical context as a standalone user message (instead of system prompt).
+///
+/// This keeps the system prompt stable across turns, enabling provider prompt caching
+/// (Anthropic cache_control, etc.). The canonical context changes every turn, so
+/// injecting it in the system prompt caused 82%+ cache misses.
+pub fn build_canonical_context_message(ctx: &PromptContext) -> Option<String> {
+    if ctx.is_subagent {
+        return None;
+    }
+    ctx.canonical_context
+        .as_ref()
+        .filter(|c| !c.is_empty())
+        .map(|c| format!("[Previous conversation context]\n{}", cap_str(c, 500)))
+}
+
 /// Build the memory section (Section 4).
 ///
 /// Also used by `agent_loop.rs` to append recalled memories after DB lookup.
@@ -309,9 +325,10 @@ fn build_persona_section(

    if let Some(soul) = soul_md {
        if !soul.trim().is_empty() {
+            let sanitized = strip_code_blocks(soul);
            parts.push(format!(
                "## Persona\nEmbody this identity in your tone and communication style. Be natural, not stiff or generic.\n{}",
-                cap_str(soul, 1000)
+                cap_str(&sanitized, 1000)
            ));
        }
    }
@@ -386,6 +403,24 @@ fn build_channel_section(channel: &str) -> String {
    )
 }

+fn build_peer_agents_section(self_name: &str, peers: &[(String, String, String)]) -> String {
+    let mut out = String::from(
+        "## Peer Agents\n\
+         You are part of a multi-agent system. These agents are running alongside you:\n",
+    );
+    for (name, state, model) in peers {
+        if name == self_name {
+            continue; // Don't list yourself
+        }
+        out.push_str(&format!("- **{}** ({}) — model: {}\n", name, state, model));
+    }
+    out.push_str(
+        "\nYou can communicate with them using `agent_send` (by name) and see all agents with `agent_list`. \
+         Delegate tasks to specialized agents when appropriate.",
+    );
+    out
+}
+
 /// Static safety section.
 const SAFETY_SECTION: &str = "\
 ## Safety
@@ -521,6 +556,30 @@ pub fn tool_hint(name: &str) -> &'static str {
 // ---------------------------------------------------------------------------

 /// Cap a string to `max_chars`, appending "..." if truncated.
+/// Strip markdown triple-backtick code blocks from content.
+///
+/// Prevents LLMs from copying code blocks as text output instead of making
+/// tool calls when SOUL.md contains command examples.
+fn strip_code_blocks(content: &str) -> String {
+    let mut result = String::with_capacity(content.len());
+    let mut in_block = false;
+    for line in content.lines() {
+        if line.trim_start().starts_with("```") {
+            in_block = !in_block;
+            continue;
+        }
+        if !in_block {
+            result.push_str(line);
+            result.push('\n');
+        }
+    }
+    // Collapse multiple blank lines left by stripped blocks
+    while result.contains("\n\n\n") {
+        result = result.replace("\n\n\n", "\n\n");
+    }
+    result.trim().to_string()
+}
+
 fn cap_str(s: &str, max_chars: usize) -> String {
    if s.chars().count() <= max_chars {
        s.to_string()
@@ -791,13 +850,18 @@ mod tests {
    }

    #[test]
-    fn test_canonical_context() {
+    fn test_canonical_context_not_in_system_prompt() {
        let mut ctx = basic_ctx();
        ctx.canonical_context =
            Some("User was discussing Rust async patterns last time.".to_string());
        let prompt = build_system_prompt(&ctx);
-        assert!(prompt.contains("## Previous Conversation Context"));
-        assert!(prompt.contains("Rust async patterns"));
+        // Canonical context should NOT be in system prompt (moved to user message)
+        assert!(!prompt.contains("## Previous Conversation Context"));
+        assert!(!prompt.contains("Rust async patterns"));
+        // But should be available via build_canonical_context_message
+        let msg = build_canonical_context_message(&ctx);
+        assert!(msg.is_some());
+        assert!(msg.unwrap().contains("Rust async patterns"));
    }

    #[test]
@@ -806,7 +870,9 @@ mod tests {
        ctx.is_subagent = true;
        ctx.canonical_context = Some("Previous context here.".to_string());
        let prompt = build_system_prompt(&ctx);
-        assert!(!prompt.contains("## Previous Conversation Context"));
+        assert!(!prompt.contains("Previous Conversation Context"));
+        // Should also be None from build_canonical_context_message
+        assert!(build_canonical_context_message(&ctx).is_none());
    }

    #[test]
@@ -370,6 +370,7 @@ fn insert_synthetic_results(messages: &mut Vec<Message>) -> usize {
            .or_default()
            .push(ContentBlock::ToolResult {
                tool_use_id,
+                tool_name: String::new(),
                content: "[Tool execution was interrupted or lost]".to_string(),
                is_error: true,
            });
@@ -702,6 +703,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "orphan-id".to_string(),
+                    tool_name: String::new(),
                    content: "some result".to_string(),
                    is_error: false,
                }]),
@@ -762,6 +764,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-1".to_string(),
+                    tool_name: String::new(),
                    content: "Results found".to_string(),
                    is_error: false,
                }]),
@@ -793,6 +796,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-reorder".to_string(),
+                    tool_name: String::new(),
                    content: "Search results".to_string(),
                    is_error: false,
                }]),
@@ -881,6 +885,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-dup".to_string(),
+                    tool_name: String::new(),
                    content: "First result".to_string(),
                    is_error: false,
                }]),
@@ -889,6 +894,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-dup".to_string(),
+                    tool_name: String::new(),
                    content: "Duplicate result".to_string(),
                    is_error: false,
                }]),
@@ -978,6 +984,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "orphan".to_string(),
+                    tool_name: String::new(),
                    content: "lost".to_string(),
                    is_error: false,
                }]),
@@ -1057,6 +1064,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-a".to_string(),
+                    tool_name: String::new(),
                    content: "search result".to_string(),
                    is_error: false,
                }]),
@@ -1066,6 +1074,7 @@ mod tests {
                role: Role::User,
                content: MessageContent::Blocks(vec![ContentBlock::ToolResult {
                    tool_use_id: "tu-ghost".to_string(),
+                    tool_name: String::new(),
                    content: "ghost result".to_string(),
                    is_error: false,
                }]),
@@ -1114,11 +1123,13 @@ mod tests {
                content: MessageContent::Blocks(vec![
                    ContentBlock::ToolResult {
                        tool_use_id: "orphan-1".to_string(),
+                        tool_name: String::new(),
                        content: "lost 1".to_string(),
                        is_error: false,
                    },
                    ContentBlock::ToolResult {
                        tool_use_id: "orphan-2".to_string(),
+                        tool_name: String::new(),
                        content: "lost 2".to_string(),
                        is_error: false,
                    },
@@ -135,10 +135,11 @@ pub async fn execute_tool(
    if let Some(kh) = kernel {
        if kh.requires_approval(tool_name) {
            let agent_id_str = caller_agent_id.unwrap_or("unknown");
+            let input_str = input.to_string();
            let summary = format!(
                "{}: {}",
                tool_name,
-                &input.to_string()[..input.to_string().len().min(200)]
+                openfang_types::truncate_str(&input_str, 200)
            );
            match kh.request_approval(agent_id_str, tool_name, &summary).await {
                Ok(true) => {
@@ -293,6 +294,9 @@ pub async fn execute_tool(
        "cron_list" => tool_cron_list(kernel, caller_agent_id).await,
        "cron_cancel" => tool_cron_cancel(input, kernel).await,

+        // Channel send tool (proactive outbound messaging)
+        "channel_send" => tool_channel_send(input, kernel).await,
+
        // Persistent process tools
        "process_start" => tool_process_start(input, process_manager, caller_agent_id).await,
        "process_poll" => tool_process_poll(input, process_manager).await,
@@ -909,6 +913,21 @@ pub fn builtin_tool_definitions() -> Vec<ToolDefinition> {
                "required": ["job_id"]
            }),
        },
+        // --- Channel send tool (proactive outbound messaging) ---
+        ToolDefinition {
+            name: "channel_send".to_string(),
+            description: "Send a message to a user on a configured channel (email, telegram, slack, etc). For email: recipient is the email address; optionally prefix the message with 'Subject: Your Subject\\n\\n' to set the email subject.".to_string(),
+            input_schema: serde_json::json!({
+                "type": "object",
+                "properties": {
+                    "channel": { "type": "string", "description": "Channel adapter name (e.g., 'email', 'telegram', 'slack', 'discord')" },
+                    "recipient": { "type": "string", "description": "Platform-specific recipient identifier (email address, user ID, etc.)" },
+                    "subject": { "type": "string", "description": "Optional subject line (used for email; ignored for other channels)" },
+                    "message": { "type": "string", "description": "The message body to send" }
+                },
+                "required": ["channel", "recipient", "message"]
+            }),
+        },
        // --- Hand tools (curated autonomous capability packages) ---
        ToolDefinition {
            name: "hand_list".to_string(),
@@ -2001,6 +2020,60 @@ async fn tool_cron_cancel(
    Ok(format!("Cron job '{job_id}' cancelled."))
 }

+// ---------------------------------------------------------------------------
+// Channel send tool (proactive outbound messaging via configured adapters)
+// ---------------------------------------------------------------------------
+
+async fn tool_channel_send(
+    input: &serde_json::Value,
+    kernel: Option<&Arc<dyn KernelHandle>>,
+) -> Result<String, String> {
+    let kh = require_kernel(kernel)?;
+
+    let channel = input["channel"]
+        .as_str()
+        .ok_or("Missing 'channel' parameter")?
+        .trim()
+        .to_lowercase();
+    let recipient = input["recipient"]
+        .as_str()
+        .ok_or("Missing 'recipient' parameter")?
+        .trim();
+    let message = input["message"]
+        .as_str()
+        .ok_or("Missing 'message' parameter")?;
+
+    if recipient.is_empty() {
+        return Err("Recipient cannot be empty".to_string());
+    }
+    if message.is_empty() {
+        return Err("Message cannot be empty".to_string());
+    }
+
+    // For email channels, validate email format and prepend subject
+    let final_message = if channel == "email" {
+        // Basic email format validation
+        if !recipient.contains('@') || !recipient.contains('.') {
+            return Err(format!("Invalid email address: '{recipient}'"));
+        }
+        // Prepend subject if provided
+        if let Some(subject) = input["subject"].as_str() {
+            if !subject.is_empty() {
+                format!("Subject: {subject}\n\n{message}")
+            } else {
+                message.to_string()
+            }
+        } else {
+            message.to_string()
+        }
+    } else {
+        message.to_string()
+    };
+
+    kh.send_channel_message(&channel, recipient, &final_message)
+        .await
+}
+
 // ---------------------------------------------------------------------------
 // Hand tools (delegated to kernel via KernelHandle trait)
 // ---------------------------------------------------------------------------
@@ -2953,6 +3026,8 @@ mod tests {
        assert!(names.contains(&"cron_create"));
        assert!(names.contains(&"cron_list"));
        assert!(names.contains(&"cron_cancel"));
+        // 1 channel send tool
+        assert!(names.contains(&"channel_send"));
        // 4 hand tools
        assert!(names.contains(&"hand_list"));
        assert!(names.contains(&"hand_activate"));
@@ -140,15 +140,28 @@ pub(crate) fn check_ssrf(url: &str) -> Result<(), String> {
    }

    let host = extract_host(url);
-    let hostname = host.split(':').next().unwrap_or(&host);
+    // For IPv6 bracket notation like [::1]:80, extract [::1] as hostname
+    let hostname = if host.starts_with('[') {
+        host.find(']')
+            .map(|i| &host[..=i])
+            .unwrap_or(&host)
+    } else {
+        host.split(':').next().unwrap_or(&host)
+    };

    // Hostname-based blocklist (catches metadata endpoints)
    let blocked = [
        "localhost",
+        "ip6-localhost",
        "metadata.google.internal",
        "metadata.aws.internal",
        "instance-data",
        "169.254.169.254",
+        "100.100.100.200", // Alibaba Cloud IMDS
+        "192.0.0.192",     // Azure IMDS alternative
+        "0.0.0.0",
+        "::1",
+        "[::1]",
    ];
    if blocked.contains(&hostname) {
        return Err(format!("SSRF blocked: {hostname} is a restricted hostname"));
@@ -192,6 +205,19 @@ fn is_private_ip(ip: &IpAddr) -> bool {
 fn extract_host(url: &str) -> String {
    if let Some(after_scheme) = url.split("://").nth(1) {
        let host_port = after_scheme.split('/').next().unwrap_or(after_scheme);
+        // Handle IPv6 bracket notation: [::1]:8080
+        if host_port.starts_with('[') {
+            // Extract [addr]:port or [addr]
+            if let Some(bracket_end) = host_port.find(']') {
+                let ipv6_host = &host_port[..=bracket_end]; // includes brackets
+                let after_bracket = &host_port[bracket_end + 1..];
+                if let Some(port) = after_bracket.strip_prefix(':') {
+                    return format!("{ipv6_host}:{port}");
+                }
+                let default_port = if url.starts_with("https") { 443 } else { 80 };
+                return format!("{ipv6_host}:{default_port}");
+            }
+        }
        if host_port.contains(':') {
            host_port.to_string()
        } else if url.starts_with("https") {
@@ -245,4 +271,35 @@ mod tests {
        assert!(check_ssrf("ftp://internal.corp/data").is_err());
        assert!(check_ssrf("gopher://evil.com").is_err());
    }
+
+    #[test]
+    fn test_ssrf_blocks_cloud_metadata() {
+        // Alibaba Cloud IMDS
+        assert!(check_ssrf("http://100.100.100.200/latest/meta-data/").is_err());
+        // Azure IMDS alternative
+        assert!(check_ssrf("http://192.0.0.192/metadata/instance").is_err());
+    }
+
+    #[test]
+    fn test_ssrf_blocks_zero_ip() {
+        assert!(check_ssrf("http://0.0.0.0/").is_err());
+    }
+
+    #[test]
+    fn test_ssrf_blocks_ipv6_localhost() {
+        assert!(check_ssrf("http://[::1]/admin").is_err());
+        assert!(check_ssrf("http://[::1]:8080/api").is_err());
+    }
+
+    #[test]
+    fn test_extract_host_ipv6() {
+        let h = extract_host("http://[::1]:8080/path");
+        assert_eq!(h, "[::1]:8080");
+
+        let h2 = extract_host("https://[::1]/path");
+        assert_eq!(h2, "[::1]:443");
+
+        let h3 = extract_host("http://[::1]/path");
+        assert_eq!(h3, "[::1]:80");
+    }
 }
@@ -56,7 +56,11 @@ pub fn resolve_sandbox_path(user_path: &str, workspace_root: &Path) -> Result<Pa
    // Verify the canonical path is inside the workspace
    if !canon_candidate.starts_with(&canon_root) {
        return Err(format!(
-            "Access denied: path '{}' resolves outside workspace",
+            "Access denied: path '{}' resolves outside workspace. \
+             If you have an MCP filesystem server configured, use the \
+             mcp_filesystem_* tools (e.g. mcp_filesystem_read_file, \
+             mcp_filesystem_list_directory) to access files outside \
+             the workspace.",
            user_path
        ));
    }
@@ -476,6 +476,12 @@ pub struct AgentManifest {
    /// Per-agent exec policy override. If None, uses global exec_policy.
    #[serde(default)]
    pub exec_policy: Option<crate::config::ExecPolicy>,
+    /// Tool allowlist — only these tools are available (empty = all tools).
+    #[serde(default, deserialize_with = "crate::serde_compat::vec_lenient")]
+    pub tool_allowlist: Vec<String>,
+    /// Tool blocklist — these tools are excluded (applied after allowlist).
+    #[serde(default, deserialize_with = "crate::serde_compat::vec_lenient")]
+    pub tool_blocklist: Vec<String>,
 }

 fn default_true() -> bool {
@@ -508,6 +514,8 @@ impl Default for AgentManifest {
            workspace: None,
            generate_identity_files: true,
            exec_policy: None,
+            tool_allowlist: Vec::new(),
+            tool_blocklist: Vec::new(),
        }
    }
 }
@@ -763,6 +771,8 @@ mod tests {
            workspace: None,
            generate_identity_files: true,
            exec_policy: None,
+            tool_allowlist: Vec::new(),
+            tool_blocklist: Vec::new(),
        };
        let json = serde_json::to_string(&manifest).unwrap();
        let deserialized: AgentManifest = serde_json::from_str(&json).unwrap();
@@ -167,11 +167,19 @@ pub struct ApprovalResponse {
 #[serde(default)]
 pub struct ApprovalPolicy {
    /// Tools that always require approval. Default: `["shell_exec"]`.
+    ///
+    /// Accepts either a list of tool names or a boolean shorthand:
+    /// - `require_approval = false` → empty list (no tools require approval)
+    /// - `require_approval = true`  → `["shell_exec"]` (the default set)
+    #[serde(deserialize_with = "deserialize_require_approval")]
    pub require_approval: Vec<String>,
    /// Timeout in seconds. Default: 60, range: 10..=300.
    pub timeout_secs: u64,
    /// Auto-approve in autonomous mode. Default: `false`.
    pub auto_approve_autonomous: bool,
+    /// Alias: if `auto_approve = true`, clears the require list at boot.
+    #[serde(default, alias = "auto_approve")]
+    pub auto_approve: bool,
 }

 impl Default for ApprovalPolicy {
@@ -180,11 +188,57 @@ impl Default for ApprovalPolicy {
            require_approval: vec!["shell_exec".to_string()],
            timeout_secs: 60,
            auto_approve_autonomous: false,
+            auto_approve: false,
        }
    }
 }

+/// Custom deserializer that accepts:
+/// - A list of strings: `["shell_exec", "file_write"]`
+/// - A boolean: `false` → `[]`, `true` → `["shell_exec"]`
+fn deserialize_require_approval<'de, D>(deserializer: D) -> Result<Vec<String>, D::Error>
+where
+    D: serde::Deserializer<'de>,
+{
+    use serde::de;
+
+    struct RequireApprovalVisitor;
+
+    impl<'de> de::Visitor<'de> for RequireApprovalVisitor {
+        type Value = Vec<String>;
+
+        fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
+            f.write_str("a list of tool names or a boolean")
+        }
+
+        fn visit_bool<E: de::Error>(self, v: bool) -> Result<Self::Value, E> {
+            Ok(if v {
+                vec!["shell_exec".to_string()]
+            } else {
+                vec![]
+            })
+        }
+
+        fn visit_seq<A: de::SeqAccess<'de>>(self, mut seq: A) -> Result<Self::Value, A::Error> {
+            let mut v = Vec::new();
+            while let Some(s) = seq.next_element::<String>()? {
+                v.push(s);
+            }
+            Ok(v)
+        }
+    }
+
+    deserializer.deserialize_any(RequireApprovalVisitor)
+}
+
 impl ApprovalPolicy {
+    /// Apply the `auto_approve` shorthand: if true, clears the require list.
+    pub fn apply_shorthands(&mut self) {
+        if self.auto_approve {
+            self.require_approval.clear();
+        }
+    }
+
    /// Validate this policy's fields.
    ///
    /// Returns `Ok(())` or an error message describing the first validation failure.
@@ -485,6 +539,7 @@ mod tests {
        assert_eq!(policy.require_approval, vec!["shell_exec".to_string()]);
        assert_eq!(policy.timeout_secs, 60);
        assert!(!policy.auto_approve_autonomous);
+        assert!(!policy.auto_approve);
    }

    #[test]
@@ -496,6 +551,31 @@ mod tests {
        assert!(!policy.auto_approve_autonomous);
    }

+    #[test]
+    fn policy_require_approval_bool_false() {
+        // require_approval = false → empty list
+        let policy: ApprovalPolicy =
+            serde_json::from_str(r#"{"require_approval": false}"#).unwrap();
+        assert!(policy.require_approval.is_empty());
+    }
+
+    #[test]
+    fn policy_require_approval_bool_true() {
+        // require_approval = true → ["shell_exec"]
+        let policy: ApprovalPolicy =
+            serde_json::from_str(r#"{"require_approval": true}"#).unwrap();
+        assert_eq!(policy.require_approval, vec!["shell_exec"]);
+    }
+
+    #[test]
+    fn policy_auto_approve_clears_list() {
+        let mut policy = ApprovalPolicy::default();
+        assert!(!policy.require_approval.is_empty());
+        policy.auto_approve = true;
+        policy.apply_shorthands();
+        assert!(policy.require_approval.is_empty());
+    }
+
    // -----------------------------------------------------------------------
    // ApprovalPolicy — timeout_secs
    // -----------------------------------------------------------------------
@@ -608,6 +688,7 @@ mod tests {
            require_approval: vec!["shell_exec".into(), "file_delete".into()],
            timeout_secs: 120,
            auto_approve_autonomous: true,
+            auto_approve: false,
        };
        let json = serde_json::to_string(&policy).unwrap();
        let back: ApprovalPolicy = serde_json::from_str(&json).unwrap();
@@ -0,0 +1,170 @@
+//! Shared wire types for the Agent Communication UI.
+//!
+//! These types are used by both the REST API and the TUI to represent
+//! agent topology graphs, inter-agent communication events, and
+//! request payloads for sending messages / posting tasks.
+
+use serde::{Deserialize, Serialize};
+
+/// A node in the agent topology graph.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TopoNode {
+    /// Agent ID.
+    pub id: String,
+    /// Human-readable agent name.
+    pub name: String,
+    /// Current lifecycle state (e.g. "Running", "Suspended").
+    pub state: String,
+    /// Model name the agent is using.
+    pub model: String,
+}
+
+/// An edge in the agent topology graph.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct TopoEdge {
+    /// Source agent ID.
+    pub from: String,
+    /// Target agent ID.
+    pub to: String,
+    /// Relationship kind.
+    pub kind: EdgeKind,
+}
+
+/// The kind of relationship between two agents.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum EdgeKind {
+    /// Parent spawned child.
+    ParentChild,
+    /// Peer-to-peer message exchange.
+    Peer,
+}
+
+/// The full agent topology: nodes + edges.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Topology {
+    pub nodes: Vec<TopoNode>,
+    pub edges: Vec<TopoEdge>,
+}
+
+/// A communication event between agents.
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CommsEvent {
+    /// Unique event ID.
+    pub id: String,
+    /// ISO-8601 timestamp.
+    pub timestamp: String,
+    /// Event kind.
+    pub kind: CommsEventKind,
+    /// Source agent ID.
+    pub source_id: String,
+    /// Source agent name.
+    pub source_name: String,
+    /// Target agent ID (empty for lifecycle events without a target).
+    pub target_id: String,
+    /// Target agent name.
+    pub target_name: String,
+    /// Human-readable detail text.
+    pub detail: String,
+}
+
+/// The kind of inter-agent communication event.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum CommsEventKind {
+    /// Agent-to-agent message.
+    AgentMessage,
+    /// A new agent was spawned.
+    AgentSpawned,
+    /// An agent was terminated.
+    AgentTerminated,
+    /// A task was posted to the queue.
+    TaskPosted,
+    /// A task was claimed by an agent.
+    TaskClaimed,
+    /// A task was completed.
+    TaskCompleted,
+}
+
+/// Request body for POST /api/comms/send.
+#[derive(Debug, Clone, Deserialize)]
+pub struct CommsSendRequest {
+    pub from_agent_id: String,
+    pub to_agent_id: String,
+    pub message: String,
+}
+
+/// Request body for POST /api/comms/task.
+#[derive(Debug, Clone, Deserialize)]
+pub struct CommsTaskRequest {
+    pub title: String,
+    pub description: String,
+    #[serde(default)]
+    pub assigned_to: Option<String>,
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn comms_event_kind_roundtrip() {
+        let kind = CommsEventKind::AgentMessage;
+        let json = serde_json::to_string(&kind).unwrap();
+        assert_eq!(json, "\"agent_message\"");
+        let parsed: CommsEventKind = serde_json::from_str(&json).unwrap();
+        assert_eq!(parsed, kind);
+    }
+
+    #[test]
+    fn edge_kind_roundtrip() {
+        let kind = EdgeKind::ParentChild;
+        let json = serde_json::to_string(&kind).unwrap();
+        assert_eq!(json, "\"parent_child\"");
+        let parsed: EdgeKind = serde_json::from_str(&json).unwrap();
+        assert_eq!(parsed, kind);
+    }
+
+    #[test]
+    fn topology_serialization() {
+        let topo = Topology {
+            nodes: vec![TopoNode {
+                id: "a1".into(),
+                name: "agent-1".into(),
+                state: "Running".into(),
+                model: "gpt-4".into(),
+            }],
+            edges: vec![TopoEdge {
+                from: "a1".into(),
+                to: "a2".into(),
+                kind: EdgeKind::Peer,
+            }],
+        };
+        let json = serde_json::to_string(&topo).unwrap();
+        assert!(json.contains("\"agent-1\""));
+        assert!(json.contains("\"peer\""));
+    }
+
+    #[test]
+    fn comms_send_request_deser() {
+        let json = r#"{"from_agent_id":"a","to_agent_id":"b","message":"hello"}"#;
+        let req: CommsSendRequest = serde_json::from_str(json).unwrap();
+        assert_eq!(req.from_agent_id, "a");
+        assert_eq!(req.message, "hello");
+    }
+
+    #[test]
+    fn comms_task_request_deser() {
+        let json = r#"{"title":"t","description":"d"}"#;
+        let req: CommsTaskRequest = serde_json::from_str(json).unwrap();
+        assert_eq!(req.title, "t");
+        assert!(req.assigned_to.is_none());
+    }
+
+    #[test]
+    fn comms_task_request_with_assign() {
+        let json = r#"{"title":"t","description":"d","assigned_to":"agent-x"}"#;
+        let req: CommsTaskRequest = serde_json::from_str(json).unwrap();
+        assert_eq!(req.assigned_to.as_deref(), Some("agent-x"));
+    }
+}
@@ -996,7 +996,7 @@ pub struct KernelConfig {
    #[serde(default)]
    pub webhook_triggers: Option<WebhookTriggerConfig>,
    /// Execution approval policy.
-    #[serde(default)]
+    #[serde(default, alias = "approval_policy")]
    pub approval: crate::approval::ApprovalPolicy,
    /// Cron scheduler max total jobs across all agents. Default: 500.
    #[serde(default = "default_max_cron_jobs")]
@@ -1043,6 +1043,30 @@ pub struct KernelConfig {
    /// e.g. `ollama = "http://192.168.1.100:11434/v1"`
    #[serde(default)]
    pub provider_urls: HashMap<String, String>,
+    /// OAuth client ID overrides for PKCE flows.
+    #[serde(default)]
+    pub oauth: OAuthConfig,
+}
+
+/// OAuth client ID overrides for PKCE flows.
+///
+/// Configure in config.toml:
+/// ```toml
+/// [oauth]
+/// google_client_id = "your-google-client-id"
+/// github_client_id = "your-github-client-id"
+/// ```
+#[derive(Debug, Clone, Default, Serialize, Deserialize)]
+#[serde(default)]
+pub struct OAuthConfig {
+    /// Google OAuth2 client ID for PKCE flow.
+    pub google_client_id: Option<String>,
+    /// GitHub OAuth client ID for PKCE flow.
+    pub github_client_id: Option<String>,
+    /// Microsoft (Entra ID) OAuth client ID.
+    pub microsoft_client_id: Option<String>,
+    /// Slack OAuth client ID.
+    pub slack_client_id: Option<String>,
 }

 /// Global spending budget configuration.
@@ -1188,6 +1212,7 @@ impl Default for KernelConfig {
            thinking: None,
            budget: BudgetConfig::default(),
            provider_urls: HashMap::new(),
+            oauth: OAuthConfig::default(),
        }
    }
 }
@@ -6,6 +6,7 @@
 pub mod agent;
 pub mod approval;
 pub mod capability;
+pub mod comms;
 pub mod config;
 pub mod error;
 pub mod event;
@@ -20,3 +21,51 @@ pub mod taint;
 pub mod tool;
 pub mod tool_compat;
 pub mod webhook;
+
+/// Safely truncate a string to at most `max_bytes`, never splitting a UTF-8 char.
+pub fn truncate_str(s: &str, max_bytes: usize) -> &str {
+    if s.len() <= max_bytes {
+        return s;
+    }
+    let mut end = max_bytes;
+    while end > 0 && !s.is_char_boundary(end) {
+        end -= 1;
+    }
+    &s[..end]
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn truncate_str_ascii() {
+        assert_eq!(truncate_str("hello world", 5), "hello");
+    }
+
+    #[test]
+    fn truncate_str_chinese() {
+        // Each Chinese character is 3 bytes
+        let s = "\u{4F60}\u{597D}\u{4E16}\u{754C}"; // 你好世界
+        assert_eq!(truncate_str(s, 6), "\u{4F60}\u{597D}"); // 你好
+        assert_eq!(truncate_str(s, 7), "\u{4F60}\u{597D}"); // still 你好 (7 is mid-char)
+        assert_eq!(truncate_str(s, 9), "\u{4F60}\u{597D}\u{4E16}"); // 你好世
+    }
+
+    #[test]
+    fn truncate_str_emoji() {
+        let s = "hi\u{1F600}there"; // hi😀there — emoji is 4 bytes
+        assert_eq!(truncate_str(s, 3), "hi"); // 3 is mid-emoji
+        assert_eq!(truncate_str(s, 6), "hi\u{1F600}"); // after emoji
+    }
+
+    #[test]
+    fn truncate_str_no_truncation() {
+        assert_eq!(truncate_str("short", 100), "short");
+    }
+
+    #[test]
+    fn truncate_str_empty() {
+        assert_eq!(truncate_str("", 10), "");
+    }
+}
@@ -66,6 +66,9 @@ pub enum ContentBlock {
    ToolResult {
        /// The tool_use ID this result corresponds to.
        tool_use_id: String,
+        /// The tool name (for Gemini FunctionResponse). Empty for legacy sessions.
+        #[serde(default)]
+        tool_name: String,
        /// The result content.
        content: String,
        /// Whether the tool execution errored.
@@ -36,6 +36,7 @@ pub const GITHUB_COPILOT_BASE_URL: &str = "https://api.githubcopilot.com";
 pub const QWEN_BASE_URL: &str = "https://dashscope.aliyuncs.com/compatible-mode/v1";
 pub const MINIMAX_BASE_URL: &str = "https://api.minimax.chat/v1";
 pub const ZHIPU_BASE_URL: &str = "https://open.bigmodel.cn/api/paas/v4";
+pub const ZHIPU_CODING_BASE_URL: &str = "https://open.bigmodel.cn/api/paas/v4";
 pub const MOONSHOT_BASE_URL: &str = "https://api.moonshot.cn/v1";
 pub const QIANFAN_BASE_URL: &str = "https://qianfan.baidubce.com/v2";

@@ -57,6 +58,8 @@ pub enum ModelTier {
    Fast,
    /// Local models (Ollama, vLLM, LM Studio).
    Local,
+    /// User-defined custom models added at runtime.
+    Custom,
 }

 impl fmt::Display for ModelTier {
@@ -67,6 +70,7 @@ impl fmt::Display for ModelTier {
            ModelTier::Balanced => write!(f, "balanced"),
            ModelTier::Fast => write!(f, "fast"),
            ModelTier::Local => write!(f, "local"),
+            ModelTier::Custom => write!(f, "custom"),
        }
    }
 }
@@ -187,6 +191,7 @@ mod tests {
        assert_eq!(ModelTier::Balanced.to_string(), "balanced");
        assert_eq!(ModelTier::Fast.to_string(), "fast");
        assert_eq!(ModelTier::Local.to_string(), "local");
+        assert_eq!(ModelTier::Custom.to_string(), "custom");
    }

    #[test]
@@ -20,17 +20,40 @@ function Write-Banner {
 }

 function Get-Architecture {
+    # Try multiple detection methods — piped iex can break some approaches
+    $arch = ""
+
+    # Method 1: .NET RuntimeInformation
    try {
-        $arch = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture
-    } catch {
-        # PowerShell 5.1 fallback
-        $arch = $env:PROCESSOR_ARCHITECTURE
+        $arch = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString()
+    } catch {}
+
+    # Method 2: PROCESSOR_ARCHITECTURE env var
+    if (-not $arch -or $arch -eq "") {
+        try { $arch = $env:PROCESSOR_ARCHITECTURE } catch {}
    }
-    switch ($arch) {
-        { $_ -in "X64", "AMD64" }  { return "x86_64" }
-        { $_ -in "Arm64", "ARM64" } { return "aarch64" }
+
+    # Method 3: WMI
+    if (-not $arch -or $arch -eq "") {
+        try {
+            $wmiArch = (Get-CimInstance Win32_Processor).Architecture
+            if ($wmiArch -eq 9) { $arch = "AMD64" }
+            elseif ($wmiArch -eq 12) { $arch = "ARM64" }
+        } catch {}
+    }
+
+    # Method 4: pointer size fallback (64-bit = 8 bytes)
+    if (-not $arch -or $arch -eq "") {
+        if ([IntPtr]::Size -eq 8) { $arch = "X64" }
+    }
+
+    $archUpper = "$arch".ToUpper().Trim()
+    switch ($archUpper) {
+        { $_ -in "X64", "AMD64", "X86_64" }     { return "x86_64" }
+        { $_ -in "ARM64", "AARCH64", "ARM" }     { return "aarch64" }
        default {
-            Write-Host "  Unsupported architecture: $arch" -ForegroundColor Red
+            Write-Host "  Unsupported architecture: $arch (detection may have failed)" -ForegroundColor Red
+            Write-Host "  Try: cargo install --git https://github.com/RightNow-AI/openfang openfang-cli" -ForegroundColor Yellow
            exit 1
        }
    }
Author	SHA1	Message	Date
jaberjaber23	73ad49a3a1	batch fixes	2026-03-02 03:31:59 +03:00
jaberjaber23	7ec0e024c7	v0.2.5 release	2026-03-01 22:27:42 +03:00
jaberjaber23	7c81c187c4	batch fixes	2026-03-01 20:38:12 +03:00
jaberjaber23	7ae80b1b9f	batch fixes	2026-03-01 04:16:17 +03:00
jaberjaber23	e58ae3e304	fix providers	2026-03-01 00:26:36 +03:00
jaberjaber23	74f5a91fdd	bug fixes	2026-02-28 21:20:48 +03:00
jaberjaber23	6de0447e8c	coffee badge	2026-02-28 15:42:03 +03:00
jaberjaber23	45dbf617a7	bump v0.2.0	2026-02-28 15:39:20 +03:00
jaberjaber23	b416bf417f	critical fixes	2026-02-28 15:36:46 +03:00
jaberjaber23	1cd47d3905	fix bugs	2026-02-28 04:52:49 +03:00
jaberjaber23	a9124c34f2	real email	2026-02-28 02:24:58 +03:00
jaberjaber23	7bd0185695	bump version	2026-02-27 21:06:43 +03:00
jaberjaber23	9fc7ed87be	fix MCP	2026-02-27 20:58:34 +03:00
jaberjaber23	0bb08f4ae1	PR fixes	2026-02-27 20:47:14 +03:00
jaberjaber23	51c1e154d9	MCP guidance	2026-02-27 18:06:17 +03:00
jaberjaber23	036cc14ad5	fix installer	2026-02-27 17:29:18 +03:00
jaberjaber23	b866ae7055	fix installer	2026-02-27 17:27:25 +03:00