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multi-agent-mux/.agents/reports/planner-reviewer-claude-01/report-175b653b.md
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Godopu 76f10b2096 feat(agent): add full codex agent support (v4.2.0)
- Implement CodexAdapter in lib_py/agents/adapters/codex.py with safe flags and TUI readiness
- Extend create_session, resume_session, stop_session, and reconcile for codex CLI
- Support codex agent delegation and loop integration across all multi-agent skills
- Add unit, component, and contract test suites for codex integration
- Verify all 462 tests passing cleanly
2026-09-05 23:02:29 +09:00

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# 🔍 Cross-Review — Codex CLI Agent Backend, Post-Remediation (Job `175b653b`)
- **Reviewer**: `planner-reviewer-claude-01`
- **Target**: cumulative working-tree diff implementing `plan-e30e3123.md` Rev.2 — same codex integration I already reviewed as `[VERDICT: PASS]` in job `36148213`, now including a remediation for the blocking defect that `reviewer-creator-grok-01` (job `5bfd80b8`, NOT PASS) and `reviewer-opencode-01` (job `9cc33e22`, NOT PASS) both independently found *after* my earlier PASS.
- **Method**: Diff was truncated in the brief (221KB/3239 lines over the review limit), so per the brief's own instruction I inspected the working tree directly rather than the truncated text. I did not take any peer's verdict — including my own prior one — at face value; every claim below is re-verified against live files or live test runs in this pass.
---
## 1. What changed since my prior PASS (job `36148213`)
File-level diff stat confirms the core implementation is **untouched** since my last review: `codex.py`, `registry.py`, `lib.sh`, all 6 skill scripts, and all 7 codex-specific test additions show the same shape as before. The only substantive addition is to `.agents/reports/planner-reviewer-claude-01/plan-de667f0f.md` (+246/-9 lines) plus a one-line Status-field edit to the Codex plan.
## 2. Independently confirming the blocking defect Grok/OpenCode found (and I missed)
My own `36148213` review checked code correctness and test results but never inspected whether the archived plan-document *paths* themselves were still intact — a real gap in my prior pass. Re-derived from primary evidence, not from trusting either NOT-PASS report's narrative:
- `git show HEAD:.agents/reports/implementation_plan.md` → the tracked HEAD content is the **full 249-line OpenCode Rev.3 plan**.
- Before this fix, `.agents/reports/planner-reviewer-claude-01/plan-de667f0f.md` (the document that's supposed to be the OpenCode Rev.3 plan's *permanent, namespaced* archive per its own Rev.3 changelog text) was only a 16-line stub reading "**Durable output (updated in place)**: [.agents/reports/implementation_plan.md]" — i.e. it pointed at the shared mirror instead of containing the content itself.
- I (as Planner, in job `e30e3123`) overwrote `.agents/reports/implementation_plan.md` with the Codex plan. Since the stub was the *only* other reference, this action would have deleted the OpenCode Rev.3 plan's full text from the working tree entirely (recoverable only via `git show HEAD:...`, not from any live path) — a genuine 유실 (data-loss) defect, and, per `reviewer-opencode-01`'s report, the same recurring failure class as two earlier incidents in this repo's history (`aca0b7e8`, job `56120ad3`'s F1).
## 3. Verifying the remediation is complete and correct — not just present
- `git diff -- .agents/reports/planner-reviewer-claude-01/plan-de667f0f.md`: the file now contains a 4-line `> [!NOTE]` banner followed by the complete original OpenCode Rev.3 text.
- Byte-level check: `diff <(tail -n +5 <git-show-HEAD-copy>) <(tail -n +5 plan-de667f0f.md)` → **empty diff** — the restored body is character-for-character identical to the original tracked content, not a paraphrase or a partial/garbled restore. Line counts confirm exactly (249 original + 4-line banner = 253).
- `.agents/reports/implementation_plan.md` still holds the Codex plan (the mirror pairing for the *current* plan is preserved) — `diff` against `.agents/reports/planner-reviewer-claude-01/plan-e30e3123.md` returns empty, confirming the two stay in lockstep as intended.
- The Codex plan's Status line was updated from the stale "Plan only — no code changed in the repo" to "Implemented (v4.2.0) — full code, tests, and version lockstep present in repo" — resolving `reviewer-opencode-01`'s third (non-blocking) point.
- Swept for the same fragile pattern elsewhere: `grep -rl "Durable output (updated in place)"` finds 4 more stub-style archives (`plan-264c3b5d.md`, `plan-a33a133e.md`, `plan-28f9b565.md`, `plan-a348e91c.md`), but none of them point at `implementation_plan.md` or any other file currently targeted by an active mirror pattern — they're a pre-existing, unrelated hygiene concern, not a live risk this diff introduces or needs to fix. Noting it for awareness, not counting it against this PR.
## 4. Re-confirming the underlying codex implementation is still sound
Did not simply assume "unchanged code = still correct" — re-ran verification fresh against the current tree:
- `pytest tests/test_version_consistency.py tests/test_a4_adapter_contract.py -k "codex or version"` → 6 passed.
- Full suite, run by me just now: `pytest tests/ -q` → **462 passed, 0 failed, 819.92s (13m39s)**.
- Version lockstep re-confirmed at `4.2.0` (`lib.sh:32`, `VERSIONS.md`, all 8 `SKILL.md`).
## 5. Standing minor finding (unchanged, still non-blocking)
The dormant escaping bug I flagged in `36148213` (`tests/conftest.py`'s codex mock writes a literal `\\n` instead of a real newline in the mock rollout JSONL, ~line 658) is still present and still dormant for the same reason (`verify_artifact()`'s DB-first path never parses that file in any current test). Not fixed in this round; still recommend a one-line follow-up, still not blocking.
---
## 6. Verdict
The blocking defect that correctly earned this diff two NOT PASS votes has been remediated, and I independently verified the fix is complete, byte-faithful, and doesn't introduce any new problem — not merely that a fix file exists. The underlying codex implementation remains fully correct per a fresh full-suite run (462/462). One pre-existing minor test-fixture nit remains open as a non-blocking follow-up.
[VERDICT: PASS]