fix(autopilot): add --target to value-flag set so install targets survive positional translation

Review finding on #3103: --target is installDaemon's value flag
(macos | linux-systemd | ephemeral-container | linux-cron). The
translator only knew --repo/--interval, so `gbrain autopilot
--install --target linux-cron` misread the target value as an
unknown positional subcommand and exited 2 before installDaemon ran.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

docs/guides/live-sync.md

@@ -21,17 +21,14 @@ GBrain is tuned for the Supabase **Transaction pooler** (port 6543): it
 auto-disables prepared statements there and routes `engine.transaction()`
 (migrations, DDL, sync imports) to a derived **direct** connection
 (`db.<ref>.supabase.co:5432`). That direct host is IPv6-only, so on an
-IPv4-only host it is unreachable. When that happens gbrain now falls back to
-the pooler automatically (one stderr warning, then single-pool mode for the
-rest of the process) — but the pooler's ~2-min statement timeout can truncate
-very long migrations or bulk imports.
+IPv4-only host, reads work but sync **silently skips most pages**. This is the
+number one cause of "sync ran but nothing happened."
 
 Fix: make the direct connection reachable over IPv4. Either set
 `GBRAIN_DIRECT_DATABASE_URL` to the **Session pooler** string (port 5432 on the
-`pooler.supabase.com` host, IPv4), or enable Supabase's IPv4 add-on.
-`GBRAIN_DISABLE_DIRECT_POOL=1` skips the direct pool (and the fallback warning)
-entirely. Verify by running `gbrain sync` and checking that the page count in
-`gbrain stats` matches the syncable file count in the repo.
+`pooler.supabase.com` host, IPv4), or enable Supabase's IPv4 add-on. Verify by
+running `gbrain sync` and checking that the page count in `gbrain stats` matches
+the syncable file count in the repo.
 
 ### The Primitives
 

llms-full.txt

@@ -2720,17 +2720,14 @@ GBrain is tuned for the Supabase **Transaction pooler** (port 6543): it
 auto-disables prepared statements there and routes `engine.transaction()`
 (migrations, DDL, sync imports) to a derived **direct** connection
 (`db.<ref>.supabase.co:5432`). That direct host is IPv6-only, so on an
-IPv4-only host it is unreachable. When that happens gbrain now falls back to
-the pooler automatically (one stderr warning, then single-pool mode for the
-rest of the process) — but the pooler's ~2-min statement timeout can truncate
-very long migrations or bulk imports.
+IPv4-only host, reads work but sync **silently skips most pages**. This is the
+number one cause of "sync ran but nothing happened."
 
 Fix: make the direct connection reachable over IPv4. Either set
 `GBRAIN_DIRECT_DATABASE_URL` to the **Session pooler** string (port 5432 on the
-`pooler.supabase.com` host, IPv4), or enable Supabase's IPv4 add-on.
-`GBRAIN_DISABLE_DIRECT_POOL=1` skips the direct pool (and the fallback warning)
-entirely. Verify by running `gbrain sync` and checking that the page count in
-`gbrain stats` matches the syncable file count in the repo.
+`pooler.supabase.com` host, IPv4), or enable Supabase's IPv4 add-on. Verify by
+running `gbrain sync` and checking that the page count in `gbrain stats` matches
+the syncable file count in the repo.
 
 ### The Primitives
 

src/commands/autopilot.ts

@@ -151,6 +151,100 @@ export function shouldSpawnAutopilotWorker(args: string[]): boolean {
   return !args.includes('--no-worker');
 }
 
+/**
+ * #1525 — positional subcommand translation.
+ *
+ * Pre-fix, `gbrain autopilot status` silently fell through to "start daemon"
+ * because `runAutopilot()` only branched on flag forms (`--status`, etc.).
+ * `status` was treated as a stray positional and ignored.
+ *
+ * This translator maps known positional subcommands to their flag form so
+ * `autopilot status` is equivalent to `autopilot --status`, then rejects
+ * any unrecognized positional with a fail-loud error before any side
+ * effect (lockfile, daemon spawn, sync dispatch) runs.
+ *
+ * Scope decisions:
+ *   - Known aliases: `status` → `--status`, `install` → `--install`,
+ *     `uninstall` → `--uninstall`, `start` → (drop; default daemon launch).
+ *   - `stop` is intentionally NOT aliased here. Stopping a running daemon
+ *     is a new behavior (read PID from lock, SIGTERM, drain) that deserves
+ *     its own design and PR. Users typing `gbrain autopilot stop` today get
+ *     the unknown-positional error with the canonical alternatives.
+ *   - At most one positional allowed; multiple positionals fail loud.
+ */
+// Every flag that consumes the NEXT argv token. Missing one here makes the
+// translator misread the flag's value as a positional subcommand and exit 2
+// (e.g. `--install --target linux-cron`). Keep in sync with parseArg call sites.
+const AUTOPILOT_VALUE_FLAGS = new Set(['--repo', '--interval', '--target']);
+const AUTOPILOT_POSITIONAL_ALIASES: Record<string, string | null> = {
+  status: '--status',
+  install: '--install',
+  uninstall: '--uninstall',
+  start: null, // drop the positional; default behavior is daemon launch
+};
+
+export type PositionalTranslation =
+  | { ok: true; args: string[] }
+  | {
+      ok: false;
+      reason: 'unknown_subcommand' | 'multiple_subcommands';
+      message: string;
+    };
+
+export function translatePositionalSubcommands(args: string[]): PositionalTranslation {
+  const out: string[] = [];
+  let positionalSeen = false;
+  let i = 0;
+  while (i < args.length) {
+    const a = args[i];
+    if (AUTOPILOT_VALUE_FLAGS.has(a)) {
+      // Pass through the flag and its value untouched. If the value is
+      // missing at end-of-argv, fall through so the existing parseArg
+      // path can report the broken usage.
+      out.push(a);
+      if (i + 1 < args.length) {
+        out.push(args[i + 1]);
+        i += 2;
+      } else {
+        i += 1;
+      }
+      continue;
+    }
+    if (a.startsWith('-')) {
+      out.push(a);
+      i += 1;
+      continue;
+    }
+    // Positional subcommand.
+    if (positionalSeen) {
+      const known = Object.keys(AUTOPILOT_POSITIONAL_ALIASES).join(', ');
+      return {
+        ok: false,
+        reason: 'multiple_subcommands',
+        message: `Multiple subcommands given. Use only one of: ${known}.`,
+      };
+    }
+    positionalSeen = true;
+    if (a in AUTOPILOT_POSITIONAL_ALIASES) {
+      const alias = AUTOPILOT_POSITIONAL_ALIASES[a];
+      if (alias) out.push(alias);
+      i += 1;
+      continue;
+    }
+    const known = Object.keys(AUTOPILOT_POSITIONAL_ALIASES).join(', ');
+    return {
+      ok: false,
+      reason: 'unknown_subcommand',
+      message:
+        `Unknown subcommand: \`${a}\`.\n` +
+        `Allowed subcommands: ${known}.\n` +
+        `Or use the flag form: --status, --install, --uninstall.\n` +
+        `Run \`gbrain autopilot --help\` for full usage.`,
+    };
+  }
+  return { ok: true, args: out };
+}
+
 export function isPidAlive(pid: number): boolean {
   if (!Number.isFinite(pid) || pid <= 0) return false;
   try {
@@ -363,6 +457,11 @@ export async function runAutopilot(engine: BrainEngine, args: string[]) {
       '       gbrain autopilot --install [--repo <path>]\n' +
       '       gbrain autopilot --uninstall\n' +
       '       gbrain autopilot --status [--json]\n\n' +
+      'Subcommand aliases:\n' +
+      '       gbrain autopilot status     → --status\n' +
+      '       gbrain autopilot install    → --install\n' +
+      '       gbrain autopilot uninstall  → --uninstall\n' +
+      '       gbrain autopilot start      → (default daemon launch)\n\n' +
       'Self-maintaining brain daemon. Runs the full maintenance cycle\n' +
       '(lint + backlinks + sync + extract + embed + orphans) on an interval.\n\n' +
       'For a one-shot cron-triggered cycle, see `gbrain dream`.',
@@ -370,6 +469,16 @@ export async function runAutopilot(engine: BrainEngine, args: string[]) {
     return;
   }
 
+  // #1525: translate positional subcommands to their flag form BEFORE any
+  // side effect (lockfile, daemon spawn, sync dispatch). Unknown positionals
+  // fail loud here rather than silently starting the daemon.
+  const translated = translatePositionalSubcommands(args);
+  if (!translated.ok) {
+    console.error(translated.message);
+    process.exit(2);
+  }
+  args = translated.args;
+
   if (args.includes('--install')) {
     await installDaemon(engine, args);
     return;

src/commands/init.ts

@@ -1078,9 +1078,6 @@ async function initPostgres(opts: {
     console.warn('  Direct connections are IPv6 only and fail in many environments.');
     console.warn('  Use the Transaction pooler connection string instead (port 6543):');
     console.warn('  Supabase Dashboard > Connect (top bar) > Connection String > Transaction pooler');
-    console.warn('  (With a pooler URL, gbrain derives a direct connection for DDL and falls back');
-    console.warn('  to the pooler automatically if that host is unreachable. Power users:');
-    console.warn('  GBRAIN_DIRECT_DATABASE_URL overrides the derived URL; GBRAIN_DISABLE_DIRECT_POOL=1 disables it.)');
     console.warn('');
   }
 
@@ -1094,9 +1091,6 @@ async function initPostgres(opts: {
       if (databaseUrl.includes('supabase.co') && (msg.includes('ECONNREFUSED') || msg.includes('ETIMEDOUT'))) {
         console.error('Connection failed. Supabase direct connections (db.*.supabase.co:5432) are IPv6 only.');
         console.error('Use the Transaction pooler connection string instead (port 6543).');
-        console.error('(gbrain derives its own direct connection from pooler URLs for DDL; if that host is');
-        console.error('unreachable it falls back to the pooler. GBRAIN_DIRECT_DATABASE_URL overrides the');
-        console.error('derived URL; GBRAIN_DISABLE_DIRECT_POOL=1 disables the direct pool entirely.)');
       }
       throw e;
     }

src/core/connection-manager.ts

@@ -167,25 +167,6 @@ export function deriveDirectUrl(url: string): string | null {
   }
 }
 
-/**
- * Error codes that mean "the direct host is unreachable from this network"
- * (#1641). The auto-derived db.<ref>.supabase.co host is IPv6-only without
- * the paid IPv4 add-on, so ENOTFOUND/ECONNREFUSED here is expected on
- * IPv4-only networks — we fall back to the pooler instead of failing init.
- */
-const NETWORK_UNREACHABLE_CODES = [
-  'ENOTFOUND', 'ECONNREFUSED', 'ENETUNREACH', 'EHOSTUNREACH',
-  'ETIMEDOUT', 'CONNECT_TIMEOUT',
-];
-
-/** True when err looks like a network-unreachable failure (not auth/SQL). */
-export function isNetworkUnreachableError(err: unknown): boolean {
-  const code = (err as { code?: unknown } | null)?.code;
-  if (typeof code === 'string' && NETWORK_UNREACHABLE_CODES.includes(code)) return true;
-  const msg = err instanceof Error ? err.message : String(err);
-  return NETWORK_UNREACHABLE_CODES.some(c => msg.includes(c));
-}
-
 /**
  * Read kill-switch state from env. Subordinate to parent manager's state
  * when present (A2 inheritance).
@@ -338,30 +319,7 @@ export class ConnectionManager {
         throw err;
       });
     }
-    let pool: Sql | null;
-    try {
-      pool = await this._directInit;
-    } catch (err) {
-      // #1641: the derived direct host (db.<ref>.supabase.co) is IPv6-only
-      // without Supabase's IPv4 add-on. On IPv4-only networks the direct
-      // pool can never connect — permanently fall back to the read pool
-      // (self-activating kill-switch) instead of failing init/migrations.
-      // Non-network errors (auth, SQL) still throw: they mean misconfig,
-      // not unreachability.
-      if (isNetworkUnreachableError(err)) {
-        const alreadyWarned = this._killSwitch;
-        this._killSwitch = true;
-        const msg = err instanceof Error ? err.message : String(err);
-        if (!alreadyWarned) console.error(
-          `gbrain: direct connection to ${this._directUrl ? this.hostOnly(this._directUrl) : 'unknown host'} unreachable (${msg}); ` +
-          'falling back to the pooler for DDL/bulk (long migrations may hit the pooler statement timeout). ' +
-          'Set GBRAIN_DIRECT_DATABASE_URL to a reachable direct URL (e.g. the Session pooler, port 5432) or enable the Supabase IPv4 add-on; ' +
-          'GBRAIN_DISABLE_DIRECT_POOL=1 silences this.',
-        );
-        return this.getReadPool();
-      }
-      throw err;
-    }
+    const pool = await this._directInit;
     if (!pool) {
       // Defensive — initDirectPool should have thrown.
       throw new Error('connection-manager: direct pool init returned null');
@@ -392,9 +350,8 @@ export class ConnectionManager {
       },
     };
     const t0 = Date.now();
-    let pool: Sql | null = null;
     try {
-      pool = postgres(this._directUrl, opts);
+      const pool = postgres(this._directUrl, opts);
       // Probe to validate connectivity early.
       await pool`SELECT 1`;
       logConnectionEvent({
@@ -405,9 +362,6 @@ export class ConnectionManager {
       });
       return pool;
     } catch (err) {
-      // Don't leak the failed pool's sockets/timers (#1641 fallback keeps
-      // the process running afterward).
-      if (pool) await endPoolBounded(pool);
       logConnectionEvent({
         pool: 'ddl',
         op: 'error',

test/autopilot-positional-subcommands.test.ts

@@ -0,0 +1,197 @@
+/**
+ * Tests for translatePositionalSubcommands() — the v0.41.x #1525 fix that
+ * prevents `gbrain autopilot status` from silently starting the daemon.
+ *
+ * IRON RULE regression guard: the exact ticket repro (`gbrain autopilot
+ * status`) MUST translate to `--status`, not fall through to the default
+ * daemon launch. Verified by the "ticket-exact repro" case below.
+ */
+
+import { describe, test, expect } from 'bun:test';
+import { translatePositionalSubcommands } from '../src/commands/autopilot.ts';
+
+describe('translatePositionalSubcommands — known aliases', () => {
+  test('IRON RULE — `autopilot status` translates to `--status` (ticket #1525 repro)', () => {
+    const r = translatePositionalSubcommands(['status']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--status']);
+  });
+
+  test('`install` translates to `--install`', () => {
+    const r = translatePositionalSubcommands(['install']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--install']);
+  });
+
+  test('`uninstall` translates to `--uninstall`', () => {
+    const r = translatePositionalSubcommands(['uninstall']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--uninstall']);
+  });
+
+  test('`start` drops the positional (default daemon launch)', () => {
+    const r = translatePositionalSubcommands(['start']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual([]);
+  });
+
+  test('`start --json` drops only the positional, keeps the flag', () => {
+    const r = translatePositionalSubcommands(['start', '--json']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--json']);
+  });
+});
+
+describe('translatePositionalSubcommands — flag/positional interleaving', () => {
+  test('`status --json` preserves the trailing flag', () => {
+    const r = translatePositionalSubcommands(['status', '--json']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--status', '--json']);
+  });
+
+  test('`--json status` preserves the leading flag', () => {
+    const r = translatePositionalSubcommands(['--json', 'status']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--json', '--status']);
+  });
+
+  test('`--repo /foo status` does not mis-classify the path as positional', () => {
+    const r = translatePositionalSubcommands(['--repo', '/foo', 'status']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--repo', '/foo', '--status']);
+  });
+
+  test('`--interval 300 install` does not mis-classify the number as positional', () => {
+    const r = translatePositionalSubcommands(['--interval', '300', 'install']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--interval', '300', '--install']);
+  });
+
+  test('`--install --target linux-cron` does not mis-classify the target as positional', () => {
+    // --target is installDaemon's value flag; its value must never be read
+    // as a positional subcommand (regression guard for the review fix).
+    const r = translatePositionalSubcommands(['--install', '--target', 'linux-cron']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--install', '--target', 'linux-cron']);
+  });
+
+  test('`install --target macos` keeps the alias translation and the target value', () => {
+    const r = translatePositionalSubcommands(['install', '--target', 'macos']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--install', '--target', 'macos']);
+  });
+
+  test('value-flag at end of argv with missing value passes through (so parseArg can report it)', () => {
+    const r = translatePositionalSubcommands(['--repo']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--repo']);
+  });
+
+  test('value-flag whose value looks like an alias is NOT translated', () => {
+    // `--repo status` means "use repo path 'status'", not "show status".
+    // Translator must not destructure the value of --repo.
+    const r = translatePositionalSubcommands(['--repo', 'status']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--repo', 'status']);
+  });
+});
+
+describe('translatePositionalSubcommands — pass-through cases', () => {
+  test('empty args returns empty args', () => {
+    const r = translatePositionalSubcommands([]);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual([]);
+  });
+
+  test('flag-only invocation passes through unchanged', () => {
+    const r = translatePositionalSubcommands(['--status', '--json']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['--status', '--json']);
+  });
+
+  test('short flag `-h` passes through unchanged', () => {
+    const r = translatePositionalSubcommands(['-h']);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(['-h']);
+  });
+
+  test('all known bare flags pass through unchanged', () => {
+    const flags = ['--help', '--install', '--uninstall', '--status', '--json', '--inline', '--no-worker'];
+    const r = translatePositionalSubcommands(flags);
+    expect(r.ok).toBe(true);
+    if (r.ok) expect(r.args).toEqual(flags);
+  });
+});
+
+describe('translatePositionalSubcommands — rejection of unknown positionals', () => {
+  test('unknown positional `foo` fails with reason=unknown_subcommand + structured message', () => {
+    const r = translatePositionalSubcommands(['foo']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('unknown_subcommand');
+      expect(r.message).toContain('Unknown subcommand: `foo`');
+      expect(r.message).toContain('status');
+      expect(r.message).toContain('install');
+      expect(r.message).toContain('uninstall');
+      expect(r.message).toContain('--help');
+    }
+  });
+
+  test('unknown positional `stop` fails with reason=unknown_subcommand (NOT silently aliased)', () => {
+    // Stop is mentioned in the ticket but deliberately NOT aliased in this
+    // PR — stopping a running daemon is a new behavior, not just an alias.
+    // Until that feature lands separately, `stop` must fail loud rather
+    // than starting the daemon (the bug we're fixing).
+    const r = translatePositionalSubcommands(['stop']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('unknown_subcommand');
+      expect(r.message).toContain('Unknown subcommand: `stop`');
+    }
+  });
+
+  test('unknown positional `status-detail` (close-but-not-matching) fails', () => {
+    const r = translatePositionalSubcommands(['status-detail']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('unknown_subcommand');
+      expect(r.message).toContain('Unknown subcommand: `status-detail`');
+    }
+  });
+
+  test('multiple positionals fail with reason=multiple_subcommands (`start install`)', () => {
+    const r = translatePositionalSubcommands(['start', 'install']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('multiple_subcommands');
+      expect(r.message).toContain('Multiple subcommands');
+    }
+  });
+
+  test('multiple positionals fail even when both are known aliases (`status install`)', () => {
+    const r = translatePositionalSubcommands(['status', 'install']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('multiple_subcommands');
+      expect(r.message).toContain('Multiple subcommands');
+    }
+  });
+
+  test('known-then-unknown rejects with multiple_subcommands (first-positional-wins)', () => {
+    // First positional is known, second is not. Rejection comes from the
+    // multiple-positional rule, which fires before the unknown check; the
+    // intent is "only one subcommand allowed."
+    const r = translatePositionalSubcommands(['status', 'garbage']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) expect(r.reason).toBe('multiple_subcommands');
+  });
+
+  test('unknown-then-known rejects on the unknown (unknown fires before second-positional check)', () => {
+    const r = translatePositionalSubcommands(['garbage', 'status']);
+    expect(r.ok).toBe(false);
+    if (!r.ok) {
+      expect(r.reason).toBe('unknown_subcommand');
+      expect(r.message).toContain('garbage');
+    }
+  });
+});

test/connection-manager.serial.test.ts

@@ -3,7 +3,6 @@ import {
   isSupabasePoolerUrl,
   deriveDirectUrl,
   readKillSwitchEnv,
-  isNetworkUnreachableError,
   resolveDirectPoolSize,
   ConnectionManager,
   DEFAULT_DIRECT_POOL_SIZE,
@@ -239,65 +238,3 @@ describe('ConnectionManager — parent inheritance (A2)', () => {
     }
   });
 });
-
-describe('isNetworkUnreachableError (#1641)', () => {
-  test('classifies network codes as unreachable', () => {
-    for (const code of ['ENOTFOUND', 'ECONNREFUSED', 'ENETUNREACH', 'EHOSTUNREACH', 'ETIMEDOUT', 'CONNECT_TIMEOUT']) {
-      const err = Object.assign(new Error('connect failed'), { code });
-      expect(isNetworkUnreachableError(err)).toBe(true);
-    }
-  });
-
-  test('classifies by message when code absent', () => {
-    expect(isNetworkUnreachableError(new Error('getaddrinfo ENOTFOUND db.abc.supabase.co'))).toBe(true);
-  });
-
-  test('auth/SQL errors are NOT unreachable', () => {
-    expect(isNetworkUnreachableError(new Error('password authentication failed for user "postgres"'))).toBe(false);
-    expect(isNetworkUnreachableError(new Error('syntax error at or near "SELEC"'))).toBe(false);
-    expect(isNetworkUnreachableError(null)).toBe(false);
-  });
-});
-
-describe('ConnectionManager — direct-pool fallback on unreachable host (#1641)', () => {
-  let originalKillSwitch: string | undefined;
-  let originalError: typeof console.error;
-  let errLines: string[];
-  beforeEach(() => {
-    originalKillSwitch = process.env.GBRAIN_DISABLE_DIRECT_POOL;
-    delete process.env.GBRAIN_DISABLE_DIRECT_POOL;
-    originalError = console.error;
-    errLines = [];
-    console.error = (...args: unknown[]) => { errLines.push(args.join(' ')); };
-  });
-  afterEach(() => {
-    console.error = originalError;
-    if (originalKillSwitch === undefined) delete process.env.GBRAIN_DISABLE_DIRECT_POOL;
-    else process.env.GBRAIN_DISABLE_DIRECT_POOL = originalKillSwitch;
-  });
-
-  test('ddl() falls back to the read pool when the direct host is unreachable', async () => {
-    const cm = new ConnectionManager({
-      url: 'postgresql://postgres.abc:p@aws.pooler.supabase.com:6543/db',
-      // 127.0.0.1:9 (discard) → instant ECONNREFUSED, the IPv4-only-network shape.
-      directUrl: 'postgresql://postgres:p@127.0.0.1:9/db',
-    });
-    const fakeReadPool = {} as ReturnType<typeof ConnectionManager.prototype.read>;
-    cm.setReadPool(fakeReadPool);
-    expect(cm.isDualPoolActive()).toBe(true);
-
-    const pool = await cm.ddl(); // without the fix this throws ECONNREFUSED
-    expect(pool).toBe(fakeReadPool);
-    // Self-activating kill-switch: subsequent calls skip the direct pool.
-    expect(cm.isKillSwitchActive()).toBe(true);
-    expect(cm.isDualPoolActive()).toBe(false);
-    expect(cm.describeMode().mode).toBe('single (kill-switch)');
-    // One stderr line mentioning the power-user override.
-    const warning = errLines.filter(l => l.includes('GBRAIN_DIRECT_DATABASE_URL'));
-    expect(warning.length).toBe(1);
-
-    const again = await cm.ddl();
-    expect(again).toBe(fakeReadPool);
-    expect(errLines.filter(l => l.includes('GBRAIN_DIRECT_DATABASE_URL')).length).toBe(1);
-  }, 20000);
-});