kyeongmin 9389b8425b fix(orchestrator): P5 audit-anchor-first-line regression guard ...

Bug discovered during #56 INTEGRATION-AUDIT-02 execution (2026-05-20):
- Both Claude and Codex put "Audit anchor: ..." as the FIRST line of every
  Gitea comment per the #56 issue body instruction "cite anchor at start
  of every stage".
- detect_agent (P0-1 strict, first-line only) then returns None for these
  comments because the first line is "Audit anchor:..." not "[Codex #N]"
  or "[Claude #N]".
- Result: orchestrator's "is_codex" check (line ~1288) flips false →
  "Codex 응답 미감지 — continuing" → infinite Stage 4 loop. #56 reached
  Round #14 (>300 comments, ~2 hours wasted token).

Fix path (NOT relaxing detect_agent — that would revive the original #45
pre-P0-1 bug where [Claude #N] citations inside Codex bodies caused
mis-detection):

1. AUDIT_ONLY_NOTE updated to enforce comment format:
   - FIRST non-empty line MUST be `[Claude #N] <stage>` or `[Codex #N] <stage>`
   - Audit anchor / banners / prefaces MUST appear line 2 or later
   - Concrete CORRECT example included
   - Explicit warning that violation breaks stage advance

2. is_codex None guard auto-supplements:
   - When _audit_mode(title) AND detect_agent returns None, orchestrator
     posts a Gitea supplement comment requesting the correct format
   - Next round's Claude/Codex see the supplement and correct
   - Breaks the infinite loop automatically (no manual ctrl-C needed)

3. Regression tests in TestDetectAgent (test_orchestrator_core.py):
   - test_audit_anchor_preface_breaks_detection: confirms P0-1 strict
     correctly returns None when anchor is first line
   - test_audit_anchor_after_header_works: correct format passes

Total: 96/96 pytest pass (94 prior + 2 P5 regression).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-20 07:03:12 +09:00

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