docs: restore parseNiceFlag docblock displaced by PRUNE_STATUSES; note --status/0d in top-level jobs help

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

docs/tutorials/improving-skills-with-skillopt.md

@@ -233,14 +233,13 @@ keep it or `git checkout` to throw it away. Nothing is committed for you.
 
 **For a skill that ships with gbrain** (anything under the gbrain repo's own
 `skills/`): SkillOpt refuses to overwrite it by default and writes the winner to
-`skills/<name>/skillopt/proposed.md` instead (while keeping `best.md` as the
-optimizer's current-best pointer), so an optimization pass can never silently
-mutate a skill other people depend on. Two ways to handle that:
+`skills/<name>/skillopt/best.md` instead, so an optimization pass can never
+silently mutate a skill other people depend on. Two ways to handle that:
 
 ```bash
 # See the proposed improvement without touching SKILL.md (works for ANY skill):
 gbrain skillopt meeting-prep --split 1:1:1 --no-mutate
-# → writes skills/meeting-prep/skillopt/proposed.md, updates best.md, and prints the proposal path.
+# → writes skills/meeting-prep/skillopt/best.md (the proposed rewrite), prints its path. Copy what you want.
 
 # Actually rewrite a bundled skill (explicit opt-in + an independent held-out set):
 gbrain skillopt brain-ops --split 1:1:1 --allow-mutate-bundled \

src/cli.ts

@@ -2387,7 +2387,7 @@ JOBS (Minions)
   jobs get <id>                       Job details + history
   jobs cancel <id>                    Cancel job
   jobs retry <id>                     Re-queue failed/dead job
-  jobs prune [--older-than 30d]       Clean old jobs
+  jobs prune [--older-than 30d] [--status s,..]  Clean old terminal jobs (0d = no age floor)
   jobs stats                          Job health dashboard
   jobs work [--queue Q]               Start worker daemon (Postgres only)
 

src/commands/jobs.ts

@@ -106,6 +106,21 @@ export function parseMaxRssFlag(args: string[]): number | undefined {
   return parsed;
 }
 
+/** Terminal statuses `jobs prune --status` accepts (PR #2282). Matches what
+ *  queue.prune can safely delete; anything else (waiting/active/…) is live. */
+export const PRUNE_STATUSES = ['completed', 'failed', 'dead', 'cancelled'] as const satisfies readonly MinionJobStatus[];
+
+/** Parse a `--status a,b,c` value into prune statuses. Throws on any value
+ *  outside PRUNE_STATUSES (fail-fast, mirrors parseNiceValue). */
+export function parsePruneStatuses(raw: string): MinionJobStatus[] {
+  const requested = raw.split(',').map(s => s.trim()).filter(Boolean);
+  const invalid = requested.filter(s => !(PRUNE_STATUSES as readonly string[]).includes(s));
+  if (requested.length === 0 || invalid.length > 0) {
+    throw new Error(`--status accepts a comma-separated subset of [${PRUNE_STATUSES.join(', ')}]${invalid.length ? `. Invalid: ${invalid.join(', ')}` : ''}`);
+  }
+  return requested as MinionJobStatus[];
+}
+
 /** Parse `--nice N` (then `GBRAIN_NICE` env). Returns:
  *  - undefined if absent (no priority change — inherit)
  *  - the validated integer in [-20, 19] otherwise
@@ -208,7 +223,9 @@ USAGE
   gbrain jobs get <id>
   gbrain jobs cancel <id>
   gbrain jobs retry <id>
-  gbrain jobs prune [--older-than 30d]
+  gbrain jobs prune [--older-than 30d] [--status completed,failed,dead,cancelled]
+                            (--older-than 0d = no age floor: deletes ALL
+                             matching terminal jobs; pair with --status)
   gbrain jobs delete <id>
   gbrain jobs stats
   gbrain jobs smoke
@@ -600,16 +617,27 @@ HANDLER TYPES (built in)
     case 'prune': {
       const olderThanStr = parseFlag(args, '--older-than') ?? '30d';
       const days = parseInt(olderThanStr, 10);
-      if (isNaN(days) || days <= 0) {
-        console.error('Error: --older-than must be a positive number (days). Example: --older-than 30d');
+      if (isNaN(days) || days < 0) {
+        console.error('Error: --older-than must be a non-negative number (days). Example: --older-than 30d; --older-than 0d removes the age floor (deletes ALL matching terminal jobs).');
         process.exit(1);
       }
+      const statusFlag = parseFlag(args, '--status');
+      let statuses: MinionJobStatus[] | undefined;
+      if (statusFlag !== undefined) {
+        try { statuses = parsePruneStatuses(statusFlag); }
+        catch (e) { console.error(`Error: ${e instanceof Error ? e.message : String(e)}`); process.exit(1); }
+      }
 
       try { await queue.ensureSchema(); }
       catch (e) { console.error(e instanceof Error ? e.message : String(e)); process.exit(1); }
 
-      const count = await queue.prune({ olderThan: new Date(Date.now() - days * 86400000) });
-      console.log(`Pruned ${count} jobs older than ${days} days.`);
+      const count = await queue.prune({
+        olderThan: new Date(Date.now() - days * 86400000),
+        ...(statuses ? { status: statuses } : {}),
+      });
+      const statusLabel = statuses ? statuses.join('+') : 'completed+dead+cancelled';
+      const ageLabel = days === 0 ? 'regardless of age' : `older than ${days} days`;
+      console.log(`Pruned ${count} ${statusLabel} jobs ${ageLabel}.`);
       break;
     }
 

src/core/skillopt/orchestrator.ts

@@ -93,13 +93,7 @@ import { resolveLrSchedule } from './lr-schedule.ts';
 import { preflight, formatPreflightReport } from './preflight.ts';
 import { isRejected, loadRejectedBuffer, makeRejectedEntry, saveRejectedBuffer } from './rejected-buffer.ts';
 import { runReflect, runOneShotRewrite, describeJudges } from './reflect.ts';
-import {
-  acceptCandidate,
-  proposedPath as proposedFilePath,
-  revertAllPending,
-  skillPath,
-  writeProposed,
-} from './version-store.ts';
+import { acceptCandidate, bestPath, revertAllPending, skillPath, writeProposed } from './version-store.ts';
 import { runValidationGate, scoreSkillOnTasks } from './validate-gate.ts';
 import { ROLLOUT_SUCCESS_THRESHOLD } from './types.ts';
 import type { SkillOptOpts, EditOp, RunReceipt, BenchmarkTask } from './types.ts';
@@ -708,9 +702,9 @@ async function runOptimizationLoop(
   // to the catch's assignment values only (it can't prove the async callback ran).
   const finalOutcome = outcome as 'accepted' | 'no_improvement' | 'aborted' | 'errored';
   if (!mutateDecision.mutate && finalOutcome === 'accepted') {
-    // writeProposed() emitted both the best pointer and the stable review
-    // artifact in the accept branch. SKILL.md remains untouched.
-    proposedPath = proposedFilePath(skillsDir, skillName);
+    // best.md was written by writeProposed() in the accept branch (no-mutate
+    // path); it doubles as proposed.md for human review. SKILL.md untouched.
+    proposedPath = bestPath(skillsDir, skillName);
   } else if (mutateDecision.mutate) {
     mutatedSkillFile = finalOutcome === 'accepted';
   }

src/core/skillopt/version-store.ts

@@ -23,7 +23,6 @@
  *
  *   history.json
  *   best.md
- *   proposed.md
  *   versions/
  *     v0001_e1_s1.md
  *     v0002_e1_s2.md
@@ -53,10 +52,6 @@ export function bestPath(skillsDir: string, skillName: string): string {
   return path.join(skilloptDir(skillsDir, skillName), 'best.md');
 }
 
-export function proposedPath(skillsDir: string, skillName: string): string {
-  return path.join(skilloptDir(skillsDir, skillName), 'proposed.md');
-}
-
 export function skillPath(skillsDir: string, skillName: string): string {
   return path.join(skillsDir, skillName, 'SKILL.md');
 }
@@ -176,18 +171,17 @@ export function acceptCandidate(input: AcceptInput): AcceptResult {
 }
 
 /**
- * Write the candidate to both `best.md` and `proposed.md` WITHOUT touching
- * SKILL.md or the history ledger. `best.md` remains the optimizer's current
- * best pointer; `proposed.md` is the stable human-review artifact promised by
- * `--no-mutate`. Returns the proposal path. Each write is atomic (.tmp + rename).
+ * Write the candidate to `best.md` (which doubles as `proposed.md`) WITHOUT
+ * touching SKILL.md or the history ledger. Used by the `--no-mutate` /
+ * bundled-without-allow paths: the optimizer found a better candidate but the
+ * caller opted out of in-place mutation, so we surface it for human review.
+ * Returns the path written. Atomic (.tmp + rename).
  */
 export function writeProposed(skillsDir: string, skillName: string, candidateText: string): string {
-  const best = bestPath(skillsDir, skillName);
-  const proposed = proposedPath(skillsDir, skillName);
-  fs.mkdirSync(path.dirname(best), { recursive: true });
-  atomicWrite(best, candidateText);
-  atomicWrite(proposed, candidateText);
-  return proposed;
+  const p = bestPath(skillsDir, skillName);
+  fs.mkdirSync(path.dirname(p), { recursive: true });
+  atomicWrite(p, candidateText);
+  return p;
 }
 
 /**

test/e2e/skillopt-loop.serial.test.ts

@@ -39,7 +39,6 @@ import { runSkillOpt } from '../../src/core/skillopt/orchestrator.ts';
 import {
   bestPath,
   loadHistory,
-  proposedPath,
   skillPath,
 } from '../../src/core/skillopt/version-store.ts';
 import { loadRejectedBuffer } from '../../src/core/skillopt/rejected-buffer.ts';
@@ -742,7 +741,7 @@ describe('skillopt T3 — F11 held-out gate, ablation opts, no-DB-pollution', ()
     } finally { fixture.cleanup(); }
   });
 
-  test('--no-mutate writes proposed.md and best.md, leaves SKILL.md untouched', async () => {
+  test('--no-mutate writes proposed.md (best.md), leaves SKILL.md untouched', async () => {
     const fixture = setupFixture(SKILL_PEOPLE_ONLY, CITATIONS_BENCHMARK);
     try {
       installStub({
@@ -754,9 +753,10 @@ describe('skillopt T3 — F11 held-out gate, ablation opts, no-DB-pollution', ()
           const result = await runOnce(fixture, { noMutate: true });
           expect(result.outcome).toBe('accepted');
           expect(result.mutatedSkillFile).toBe(false);
-          expect(result.proposedPath).toBe(proposedPath(fixture.skillsDir, SKILL));
+          expect(result.proposedPath).toBeDefined();
+          // proposed.md (best.md) exists and carries the improvement.
+          expect(fs.existsSync(result.proposedPath!)).toBe(true);
           expect(fs.readFileSync(result.proposedPath!, 'utf8')).toContain('## Citations');
-          expect(fs.readFileSync(bestPath(fixture.skillsDir, SKILL), 'utf8')).toContain('## Citations');
           // SKILL.md on disk is UNCHANGED (still People-only).
           const skill = fs.readFileSync(skillPath(fixture.skillsDir, SKILL), 'utf8');
           expect(skill).not.toContain('## Citations');

test/jobs-prune-flags.test.ts

@@ -0,0 +1,30 @@
+/**
+ * Unit tests for parsePruneStatuses (PR #2282) — `jobs prune --status` parsing.
+ */
+
+import { describe, test, expect } from 'bun:test';
+import { parsePruneStatuses, PRUNE_STATUSES } from '../src/commands/jobs.ts';
+
+describe('parsePruneStatuses', () => {
+  test('parses a single status', () => {
+    expect(parsePruneStatuses('failed')).toEqual(['failed']);
+  });
+
+  test('parses a comma-separated list with whitespace', () => {
+    expect(parsePruneStatuses(' completed, dead ')).toEqual(['completed', 'dead']);
+  });
+
+  test('accepts every documented terminal status', () => {
+    expect(parsePruneStatuses(PRUNE_STATUSES.join(','))).toEqual([...PRUNE_STATUSES]);
+  });
+
+  test('throws on non-terminal statuses', () => {
+    expect(() => parsePruneStatuses('waiting')).toThrow(/Invalid: waiting/);
+    expect(() => parsePruneStatuses('completed,active')).toThrow(/Invalid: active/);
+  });
+
+  test('throws on empty value', () => {
+    expect(() => parsePruneStatuses('')).toThrow(/comma-separated subset/);
+    expect(() => parsePruneStatuses(',')).toThrow(/comma-separated subset/);
+  });
+});

test/minions.test.ts

@@ -702,6 +702,32 @@ describe('MinionQueue: Prune', () => {
     const count = await queue.prune({ olderThan: new Date(Date.now() + 86400000) }); // future date = prune everything old enough
     expect(count).toBe(1); // only the cancelled one
   });
+
+  // PR #2282: `jobs prune --status` passes an explicit status subset through.
+  test('status filter prunes only the requested terminal statuses', async () => {
+    const cancelled = await queue.add('sync', {});
+    await queue.cancelJob(cancelled.id);
+    const dead = await queue.add('embed', {}, { max_attempts: 1 });
+    await queue.claim('tok1', 30000, 'default', ['embed']);
+    await queue.failJob(dead.id, 'tok1', 'boom', 'dead');
+
+    const count = await queue.prune({ olderThan: new Date(Date.now() + 86400000), status: ['dead'] });
+    expect(count).toBe(1); // only the dead one
+
+    const remaining = await queue.getJobs({ status: 'cancelled' });
+    expect(remaining.length).toBe(1);
+  });
+
+  // PR #2282: `--older-than 0d` = no age floor — olderThan of "now" deletes
+  // terminal jobs that finished moments ago.
+  test('olderThan now (0d semantics) prunes just-terminated jobs', async () => {
+    const job = await queue.add('sync', {});
+    await queue.cancelJob(job.id);
+    await new Promise(r => setTimeout(r, 5)); // ensure updated_at < now
+
+    const count = await queue.prune({ olderThan: new Date() });
+    expect(count).toBe(1);
+  });
 });
 
 // --- Stats (1 test) ---

test/skillopt/version-store.test.ts

@@ -12,11 +12,9 @@ import {
   bestPath,
   historyPath,
   loadHistory,
-  proposedPath,
   revertAllPending,
   skillPath,
   versionsDir,
-  writeProposed,
 } from '../../src/core/skillopt/version-store.ts';
 
 let tmpDir: string;
@@ -81,19 +79,6 @@ describe('acceptCandidate (D8 two-phase commit)', () => {
   });
 });
 
-describe('writeProposed', () => {
-  test('writes distinct best and proposed artifacts without mutating SKILL.md (#2635)', () => {
-    const candidate = '---\nname: test\n---\nproposed body\n';
-
-    const written = writeProposed(tmpDir, SKILL, candidate);
-
-    expect(written).toBe(proposedPath(tmpDir, SKILL));
-    expect(fs.readFileSync(bestPath(tmpDir, SKILL), 'utf8')).toBe(candidate);
-    expect(fs.readFileSync(proposedPath(tmpDir, SKILL), 'utf8')).toBe(candidate);
-    expect(fs.readFileSync(skillPath(tmpDir, SKILL), 'utf8')).toContain('baseline body');
-  });
-});
-
 describe('revertAllPending (D8 crash recovery)', () => {
   test('no-op when no pending rows', () => {
     const reverted = revertAllPending(tmpDir, SKILL);