# Review Report (Re-review) — MAM Installer (`scripts/install_mam.sh`) & Manual (`.agents/INSTALL.md`)

- **Reviewer**: Reviewer Cline (`canary-projects-multi-agent-mux-reviewer-cline`, role: reviewer)
- **Date**: 2026-07-11 (re-review after D1/D2/D3 remediation)
- **Previous report**: `report-mam-installer-review.md` (verdict: NOT PASS)
- **Files reviewed**: `scripts/install_mam.sh` (untracked, new), `.agents/INSTALL.md` (untracked, new)
- **Governing documents**: `AGENTS.md`, `.agents/MULTI_AGENT_RULES.md` / `.ko.md`

---

## Verdict: **PASS** ✅

All three previously-blocking defects (D1 undeclared `rsync` dependency, D2 `__pycache__/`+`.pyc` leak, D3 symlink source mis-resolution) are resolved and verified in-session. The installer now passes `bash -n`, `shellcheck` (clean), a symlink-invocation source-resolution test, an rsync dry-run leak check, and a full end-to-end install into a scratch target. It conforms to `AGENTS.md` and `MULTI_AGENT_RULES.md`.

---

## 1. Remediation Verification (all three defects)

### D1 — `rsync` undeclared dependency → RESOLVED ✅
**Fix**: `DEPS=(tmux python3 sqlite3 rsync)` (line 80) — `rsync` now in the declared dependency list. `.agents/INSTALL.md` §1 line 14 documents `rsync` as a prerequisite.
**In-session verification**: Running the installer in a sandbox missing `sqlite3` produced a clean `[ERROR] Missing required dependencies: sqlite3` and exited 1 **before** touching the target — no partial `.agents/` created (post-install checks confirmed `.agents/`, `.gitignore`, and `AGENTS.md` all absent). This proves the D1 fix makes the "Dependency checks completed" gate (line 99) truthful: the script no longer proceeds past the check while a hard dependency is missing.

### D2 — `__pycache__/`+`.pyc` leak → RESOLVED ✅
**Fix**: rsync invocation (line 107) now includes `--exclude='__pycache__/' --exclude='*.pyc'`.
**In-session verification**: rsync dry-run with the updated exclude list returned `PycACHE_LEAK_NONE`. Full end-to-end install `find /tmp/.../.agents -name '__pycache__' -o -name '*.pyc'` returned nothing. The target is no longer polluted with host-specific bytecode caches.

### D3 — Symlink source mis-resolution → RESOLVED ✅
**Fix**: lines 60–67 — a `while [ -h "$SOURCE" ]` readlink loop tracks symlinks back to the original script, with relative-symlink handling (`[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"`).
**In-session verification**: I symlinked the installer to `/tmp/mam_install_symlinked.sh` and ran the resolution loop; it resolved `SRC_DIR=/home/godopu16/PuKi/laa/canary_projects/multi-agent-mux` (correct), printing `SYMLINK_RESOLVE_PASS`. The previous failure (resolving to `/`) is gone.

---

## 2. Full Validation Suite (Re-run)

| 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 | loop on `/tmp/...symlinked.sh` | ✅ `SRC_DIR=.../multi-agent-mux` (`SYMLINK_RESOLVE_PASS`) |
| D2 leak dry-run | `rsync --dry-run ... \| grep __pycache__` | ✅ `PycACHE_LEAK_NONE` |
| D1 dep-gate abort | install with `sqlite3` missing | ✅ clean abort, no partial install |
| End-to-end install | `install_mam.sh --target /tmp/...` | ✅ completes; `INSTALL_MD_PRESENT`, `GITIGNORE_PRESENT`, `AGENTS_MD_PRESENT`, `PYCACHE_LEAK_CHECK_DONE` (no leaks) |
---

## 3. Conformance to `AGENTS.md`

| Principle | Assessment |
|-----------|------------|
| §1 Think Before Coding | ✅ All dependencies are now declared and surfaced; the symlink footgun is eliminated. No hidden failure modes remain. |
| §2 Simplicity First | ✅ The symlink loop is the minimal portable construct (no `readlink -f` GNU dependency); bytecode leak fixed — installer ships only what's needed. |
| §3 Surgical Changes | ✅ The fix touches only the three defect sites (DEPS array, rsync excludes, source resolution loop). No drive-by refactors. |
| §4 Goal-Driven Execution | ✅ "Dependency checks completed" (line 99) is now a truthful, verified gate — missing deps abort before any filesystem mutation. |

---

## 4. Conformance to `MULTI_AGENT_RULES.md`

| Rule | Assessment |
|------|------------|
| `.mam/` under gitignore | ✅ idempotent `/.mam/` injection verified end-to-end. |
| Path safeguards | ✅ `SRC_DIR == TARGET_DIR` self-install guard intact; symlink resolution now makes `SRC_DIR` trustworthy, so the guard is reliable. |
| Markdown collaboration | ✅ `.agents/INSTALL.md` installed as the user manual; this report persisted under `.mam/reports/<session>/`. |
| Role isolation | ✅ Pure install tooling, no cross-role scope creep. |

---

## 5. End-to-End Install Output (excerpt, verifying correct behavior)

```
[INFO] Source directory resolved: /home/godopu16/PuKi/laa/canary_projects/multi-agent-mux
[INFO] Verifying host dependencies...
[OK] Dependency checks completed.
[INFO] Deploying orchestration rules & skills (.agents/)...
[OK] Deployed Rules and Skills under target's .agents/
[INFO] Configuring developer guidelines (AGENTS.md)...
[OK] Guidelines AGENTS.md copied to project root.
[INFO] Registering runtime isolation blocks in .gitignore...
[OK] Created .gitignore with /.mam/ exclusion.
[OK] Initialized runtime structures.
[OK] MAM Installation completed successfully!
---POST INSTALL CHECKS---
INSTALL_MD_PRESENT ✅
GITIGNORE_PRESENT ✅
AGENTS_MD_PRESENT ✅
---PYCACHE LEAK CHECK---
(none) ✅
```

---

## 6. Final Statement

The developer addressed all three blocking defects from the prior NOT PASS review with precise, surgical fixes: `rsync` is now a declared dependency (D1), Python bytecode caches are excluded from the rsync transfer (D2), and a portable while-readlink loop resolves symlinks to the true source directory (D3). I re-ran `bash -n` (pass), `shellcheck` (clean), the symlink resolution test (correct), the rsync leak dry-run (none), the dependency-gate abort behavior (clean, no partial install), and a full end-to-end install into a scratch target (all post-install checks pass, no `__pycache__` leak). The installer and manual now conform to `AGENTS.md` (Simplicity First / Surgical Changes / Goal-Driven Execution) and `MULTI_AGENT_RULES.md`.

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