feat(triage+eval): hard-disqualifier filter + comp floor gate + Block C why-this-fits

[mitwilli-create]

Summary

Closes the recurring dropped ask documented at data/spec-triage-eval-quality-gate-2026-05-29.md. Three independent fixes:

1. NEW lib/triage-hard-disqualifier-filter.mjs — deterministic post-triage regex gate; overrides Haiku verdict to SKIP when JD trips hard-disqualifier rules (Python-production-engineering, former PM/EM, mandatory leetcode, etc.) with archetype-aware exemptions.
2. NEW lib/comp-floor-gate.mjs — post-eval comp extraction; demotes rows below floor (sourced from config/profile.yml::comp_floor, falling back to hardcoded $160K/$180K/$216K/$220K matching batch/triage-prompt.md).
3. NEW ## Block C — Why This Fits Mitchell in eval reports — 3-4 sentences, every claim cites a specific corpus location ([cv.md: <section>], [article-digest: <entry>], [second-brain: <doc>], [hm-intel: <field>]), downscored if thin corpus support.

Plus override mechanism (data/triage-overrides.json), env kill switches (DISABLE_HARD_DISQUALIFIER_FILTER, DISABLE_COMP_FLOOR_GATE), backfill audit script (scripts/audit-current-queue-against-new-gates.mjs), 3 new test files (35 pass + 1 expected skip), AGENTS.md bug-class entry for llm-judge-soft-enforcement-of-hard-rules, CLAUDE.md Session Notes.

Pre-fix snapshot (current queue, 2026-05-29)

=== Gap A — score distribution ===
Total ranked rows: 21
scores <4.0: 0
scores 4.0-4.4: 15
scores >=4.5: 6
min: 4 median: 4.3 max: 4.65

grep -l 'Block C' reports/*.md → 28 reports, but all matches are prose mentions inside body text, not section headers. Zero reports contain ## Block C — Why This Fits Mitchell as a section.

grep -E 'comp_floor|comp floor|salary_floor' config/profile.yml → file doesn't exist on Mitchell's filesystem (gitignored at .gitignore:192). Same for modes/_profile.md (.gitignore:194). System runs off batch/triage-prompt.md:25 defaults.

Post-fix backfill audit (deterministic, $0)

=== Backfill audit — apply-now-queue × new gates ===
Spec: data/spec-triage-eval-quality-gate-2026-05-29.md
Total ranked rows scanned: 21

  🛑 Would SKIP via hard-disqualifier:  0
  ⬇️  Would DEMOTE for comp-below-floor: 2
  ❓ Comp UNKNOWN (no auto-demote):     8
  ✅ Would PASS all gates:               11

--- Comp-below-floor DEMOTE candidates (review for override) ---
  #2049 Ramp (4.1) — AI Operations Specialist — Agentic Workflows  [sf floor $216k, found $195k]
  #2286 Arize AI (4.05) — AI Product Manager  [sf floor $216k, found $170k]

The 2 DEMOTE candidates validate Mitchell's concern that comp-offensive rows were reaching the queue. Both will be demoted on the next batch eval cycle unless added to data/triage-overrides.json::overrides.

Hard-disqualifier shows 0 against the current queue because rule patterns are tuned for full JD text; the audit fell back to report bodies (which only contain JD excerpts in the CV Match section). Rules will fire on fresh JDs at triage time. The audit is conservative — false negatives in backfill, not false positives.

Files changed (13 total)

Kind	File	Why
NEW lib	lib/triage-hard-disqualifier-filter.mjs	6-rule deterministic post-pass + override + env kill
NEW lib	lib/comp-floor-gate.mjs	comp extraction + location floor + override + env kill
NEW test	tests/triage-hard-disqualifier.test.mjs	17 tests
NEW test	tests/comp-floor-gate.test.mjs	17 tests
NEW test	tests/eval-report-block-c-invariant.test.mjs	INVARIANT; skips until first post-PR fresh report
NEW data	data/triage-overrides.json	empty { "overrides": [] }; append-only audit trail
NEW script	scripts/audit-current-queue-against-new-gates.mjs	backfill audit; deterministic / $0
MOD	triage.mjs	wire applyHardDisqualifiers between Haiku return + writeAdvance
MOD	batch-runner-batches.mjs	wire gateCompFloor after report write + location extractor
MOD	batch/batch-prompt.md	add Block C — Why This Fits Mitchell rubric + output template
MOD	config/profile.example.yml	add comp_floor: documentation block under compensation:
MOD	AGENTS.md	new bug class llm-judge-soft-enforcement-of-hard-rules
MOD	CLAUDE.md	Session Notes for 2026-05-29 ship

Override mechanism

data/triage-overrides.json is the append-only override file consumed by both gates:

{
  "overrides": [
    { "rowNum": 2049, "gate": "comp-floor", "reason": "pre-IPO equity heavy", "addedAt": "2026-05-29" }
  ]
}

Each entry: { rowNum, gate: 'hard-disqualifier' | 'comp-floor', reason, addedAt, status?: 'active'|'revoked' }. Never delete entries — flip status: revoked to revert. Tests assert gate-specific override scoping.

Kill switches (rollback paths)

# Disable hard-disqualifier filter (Haiku verdict wins)
launchctl setenv DISABLE_HARD_DISQUALIFIER_FILTER true

# Disable comp floor gate (no demotion)
launchctl setenv DISABLE_COMP_FLOOR_GATE true

# Hard rollback if PR already on main
git revert <merge-commit-sha> && git push origin main

Test plan

• node --test tests/triage-hard-disqualifier.test.mjs — 17/17 pass
• node --test tests/comp-floor-gate.test.mjs — 17/17 pass
• node --test tests/eval-report-block-c-invariant.test.mjs — 1/1 pass + 1/1 expected skip (no covered reports yet)
• node test-all.mjs --quick — 76 pass, 0 fail, 2 unrelated warnings
• node --check clean on all 5 modified/new source files
• node scripts/audit-current-queue-against-new-gates.mjs — captured output above; Mitchell to curate overrides
• /deploy-verify Phases 6-9 green (post-merge, on Mitchell's invocation)
• First post-PR fresh ingest cycle produces ## Block C — Why This Fits Mitchell (verifies the invariant test will fire correctly)

🤖 Generated with Claude Code