🏛️ Planner Claude — MAM Installer Final Architecture Re-Review

Scope: Brief .agents/reports/brief-rereview-all.md §3 (Planner Claude)
Commits under review: d7e19fe → 66fd1c4 → 5cb8c39
Date: 2026-07-11 (supersedes prior NOT PASS revision of this report)
Method: Static diff review + live end-to-end install diagnostics on native host PATH (fresh target, re-run idempotency, pre-existing AGENTS.md/.gitignore, symlink invocation, shellcheck)

Verdict: ✅ PASS — with one working-tree regression that must NOT be committed

Both blockers from my prior review (B-1 attach inconsistency in INSTALL.md, B-2 false sqlite3 CLI dependency) are resolved and verified live. The architecture now aligns with MAM standards on the version-control axis. However, an uncommitted .gitignore change adding .agents/reports directly contradicts the durable-reports policy ratified in d7e19fe and must be reverted before any commit.

✅ Resolved and verified

Item	Evidence
B-1: RC-1 attach alignment	`INSTALL.md` §3-1 create example now includes `--tmux-server multi-agent-mux`, matching the §3-2 attach socket. Manual flow is now internally consistent (default server in `lib.sh:33` is `default`, so the explicit flag is required and now present).
B-2: sqlite3 dependency	`sqlite3` CLI removed from `DEPS`; replaced with hard `python3 -c "import yaml, sqlite3"` check — matching actual runtime usage (all DB access is via Python module in heredocs). Verified live: install now succeeds on this host's native PATH, which has no `sqlite3` binary. `INSTALL.md` §1 updated accordingly.
`flock` removal (correction)	My earlier review implied `flock` was a CLI dependency; on inspection all locking is Python `fcntl.flock` (`reconcile.sh:76`) — the other grep hits are comments. Removing `flock` from `DEPS` in `66fd1c4` was correct.
`uuidgen` retained	Genuine CLI dependency (`create_session.sh:125,127`, required for `--isolate`); correctly kept in `DEPS`.
Report migration	`git ls-files .mam/` empty; durable reports tracked under `.agents/reports/<session>/`; `MULTI_AGENT_RULES.md` (+`.ko`) and `INSTALL.md` §🛡️ consistent. Anchored rsync `--exclude='/reports/'` verified to keep internal reports out of targets.
`AGENTS.md` non-invasive injection	Verified live with pre-existing `AGENTS.md`: content preserved, marker block appended once, rerun is a no-op. Version-control safe.
Hygiene	`bash -n` + `shellcheck` clean; symlink invocation resolves `SRC_DIR`; idempotent second run on fresh and pre-populated targets.

🚫 Must fix before commit

Working-tree .gitignore adds .agents/reports (uncommitted). This un-does the durable-reports migration for all future reports: already-committed files stay tracked, but new mandated artifacts (e.g., the Reviewer Cline report-mam-installer-final.md this brief requires, and this very report) would be silently untracked — reintroducing the exact audit-trail loss the migration fixed. It also conflicts verbatim with MULTI_AGENT_RULES.md ("must be explicitly copied to tracked directory paths (specifically under .agents/reports/<tmux_session_name>/…)"). Recommendation: revert this hunk. If the intent was to exclude transient briefs, ignore a narrower pattern (e.g., .agents/reports/brief-*.md) — but do not ignore the reports tree itself.

⚠️ Minor (non-blocking)

INSTALL.md §2 step 1 still says the installer checks "tmux, python3, sqlite3" — stale; actual check is tmux, python3, rsync, uuidgen + Python yaml/sqlite3 modules.
INSTALL.md §1 omits uuidgen (hard dep for --isolate) and presents rsync without noting it is installer-only.
Source AGENTS.md lacks the MAM marker block, so a fresh-copy install converges only on the second run (pointer self-injection). Cosmetic; append the marker at copy time to converge in one run.
Still open from planning (roadmap, not gating): .agents/.mam-version stamping + --update --delete upgrade mode; shared check_deps.sh used by both installer and create_session.sh; bilingual INSTALL.md/INSTALL.ko.md split per repo convention.

Architecture alignment summary

With 66fd1c4 and 5cb8c39, the installer satisfies MAM standards: dependency diagnosis now reflects the true runtime contract, the manual's create/attach flow is consistent, the .mam/ runtime tree vs. tracked .agents/ configuration boundary is crisp, and downstream projects' behavioral guidelines are preserved. Deployment across other projects is approved once the .gitignore working-tree regression is discarded; the minor doc drift can ride along in a follow-up docs commit.

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