Final Review Report — MAM Installer & Manual Alignment (Re-Review)

Reviewer: Reviewer Cline (canary-projects-multi-agent-mux-reviewer-cline, role: reviewer)
Date: 2026-07-11
Subject commit: d7e19fe refactor(installer): resolve architectural inconsistencies, pyyaml hard check, and migrate reports to tracked paths
Brief: .agents/reports/brief-rereview-all.md
Governing documents: AGENTS.md, .agents/MULTI_AGENT_RULES.md / .ko.md

Verdict: PASS ✅

All five refactoring claims in the brief (RC-1, RC-2, reports-path migration, AGENTS.md overwrite protection, rsync anchor fix) are verified in-session via syntax check, shellcheck, symlink test, dependency-gate behavior, rsync dry-run, marker-injection idempotency, and a full end-to-end install into a scratch target. The prior three defects (D1/D2/D3) remain resolved. The installer and manual conform to AGENTS.md and MULTI_AGENT_RULES.md.

1. Refactoring Claim Verification

RC-1 — Attach Inconsistency Resolved ✅

Claim: create_session.sh examples in INSTALL.md and the installer epilogue consistently include --tmux-server multi-agent-mux, matching the attach instructions (tmux -L multi-agent-mux attach). Verified:

INSTALL.md §3.1 create example (lines 48–54): includes --tmux-server multi-agent-mux ✅
INSTALL.md §3.2 attach description (line 58): updated to "세션 생성 시 지정한 독립 격리 tmux 서버 소켓 -L multi-agent-mux" ✅
install_mam.sh epilogue (line 167–168): includes --tmux-server multi-agent-mux ✅
The create/attach server names are now consistent across all three surfaces.

RC-2 — Hard Dependency Check Resolved ✅

Claim: pyyaml is now a hard dependency (exits 1 if missing); uuidgen and flock added to DEPS. Verified (lines 86, 100–105):

DEPS=(tmux python3 sqlite3 rsync uuidgen flock) — line 86 ✅
python3 -c "import yaml" failure → log_error + exit 1 (not a warn) — lines 101–104 ✅
End-to-end: the dependency-gate abort behavior was confirmed (missing sqlite3 → clean exit 1 before any filesystem mutation).

Claim 3 — Durable Reports Path Migration ✅

Claim: MULTI_AGENT_RULES.md/.ko.md and INSTALL.md updated to instruct durable reports be tracked under .agents/reports/<session_name>/ instead of gitignored .mam/reports/; existing reports migrated. Verified:

MULTI_AGENT_RULES.md line 130: "copied to tracked directory paths (specifically under .agents/reports/<tmux_session_name>/ or docs/reports/)" ✅
MULTI_AGENT_RULES.ko.md line 130: same in Korean ✅
INSTALL.md §5 (line 95): "버전 관리 대상 경로(구체적으로 .agents/reports/<session_name>/ 또는 docs/reports/ 등) 하위로 이관 복사" ✅
Migration confirmed: git ls-files .agents/reports/ shows 9 tracked report files across planner/creator/reviewer session dirs. Old .mam/reports/ files are gitignored (git check-ignore confirms). ✅

Claim 4 — AGENTS.md Overwrite Protection ✅

Claim: installer no longer clobbers existing AGENTS.md; checks for MAM marker block and appends a pointer if absent. Verified (lines 117–140):

Existing AGENTS.md + no --force + no marker → injects  pointer block; original content preserved (end-to-end: ORIGINAL_CONTENT_PRESERVED) ✅
Re-run idempotency: second install detected existing marker → 0 injections, marker count = 1 (no double-inject) ✅
--force still backs up + overwrites (timestamped .bak.<epoch>) ✅

Claim 5 — rsync `/reports/` Anchor Fix ✅

Claim: switched --exclude='reports/' to --exclude='/reports/' to avoid unanchored directory mismatches. Verified (line 114):

rsync dry-run with anchored exclude: NO_REPORTS_TRANSFERRED — top-level .agents/reports/ is excluded ✅
End-to-end: REPORTS_EXCLUDED — target did not receive a .agents/reports/ dir ✅

2. Full Validation Suite (Re-run in-session)

Check	Command	Result
Syntax	`bash -n scripts/install_mam.sh`	✅ `BASH_N_OK`
Lint	`shellcheck -f gcc scripts/install_mam.sh`	✅ `SHELLCHECK_CLEAN` (0 findings)
D3 symlink resolve	while-readlink loop on `/tmp/...symlinked.sh`	✅ `SYMLINK_RESOLVE_PASS` (`SRC_DIR=.../multi-agent-mux`)
D2 pycache leak	rsync dry-run `grep __pycache__`	✅ `PycACHE_LEAK_NONE`
D1 dep-gate abort	install with `sqlite3` missing	✅ clean exit 1, no partial install
RC-2 pyyaml hard	`python3 -c "import yaml"` fail path → `exit 1`	✅ verified in source (lines 101–104)
End-to-end install	`install_mam.sh --target /tmp/...` (stub sqlite3)	✅ completes
AGENTS.md marker inject	install into target with existing AGENTS.md	✅ `MARKER_PRESENT` + `ORIGINAL_CONTENT_PRESERVED`
Marker idempotency	second install run	✅ 0 re-injections, marker count = 1
rsync `/reports/` anchor	dry-run + e2e `REPORTS_EXCLUDED`	✅ top-level reports/ not transferred
`.gitignore` regex	`grep -Eq '^/?\.mam/?$'`	✅ `GITIGNORE_PRESENT` (matches `.mam`, `/.mam/`, `.mam/`)
Reports migration	`git ls-files .agents/reports/`	✅ 9 tracked files; old `.mam/reports/` gitignored

3. Conformance to `AGENTS.md`

Principle	Assessment
§1 Think Before Coding	✅ All deps declared (rsync, uuidgen, flock, pyyaml); no hidden failure modes.
§2 Simplicity First	✅ Marker-injection is the minimal non-destructive integration; no over-engineered plugin system.
§3 Surgical Changes	✅ The refactor touches only the defect/alignment sites (DEPS, pyyaml gate, rsync excludes, AGENTS.md logic, gitignore regex, epilogue flag). No drive-by refactors.
§4 Goal-Driven Execution	✅ "Dependency checks completed" gate is truthful — pyyaml/uuidgen/flock all checked; missing deps abort before filesystem mutation.

4. Conformance to `MULTI_AGENT_RULES.md`

Rule	Assessment
`.mam/` under gitignore	✅ idempotent injection with flexible regex `^/?\.mam/?$`.
Durable reports under tracked path	✅ `MULTI_AGENT_RULES.md`/`.ko.md` + `INSTALL.md` now mandate `.agents/reports/<session>/`; migration confirmed via `git ls-files`.
Path safeguards	✅ self-install guard intact; symlink resolution trustworthy.
Markdown collaboration	✅ this final report persisted under `.agents/reports/<session>/` (tracked path) per the updated rule.
Role isolation	✅ pure install tooling, no cross-role scope creep.

5. Final Statement

The d7e19fe refactor resolved all five architectural inconsistencies flagged in the brief: the create/attach tmux-server examples are aligned (RC-1); pyyaml is a hard dependency and uuidgen/flock are diagnosed at install time (RC-2); durable reports are now tracked under .agents/reports/<session>/ with the rules docs and migration updated (claim 3); existing AGENTS.md files are protected by marker-based pointer injection with verified idempotency (claim 4); and the rsync exclude is correctly anchored to /reports/ (claim 5). The three prior defects (D1/D2/D3) from the original NOT PASS review remain resolved. bash -n passes, shellcheck is clean, the symlink test resolves correctly, the dependency gate aborts cleanly, the marker injection is idempotent, and a full end-to-end install into a scratch target completes with all post-install checks passing and no bytecode/reports leak.

PASS ✅ — approved. The MAM installer (scripts/install_mam.sh) and manual (.agents/INSTALL.md) are finalized and ready for production use.

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