fix: enable memory writes for non-implementation agents

.config/opencode/agents/reviewer.md

@@ -4,7 +4,7 @@ mode: subagent
 model: github-copilot/claude-opus-4.6
 temperature: 0.3
 permission:
-  edit: deny
+  edit: allow
   bash: deny
   webfetch: deny
   websearch: deny
@@ -27,7 +27,7 @@ Pipeline position:
 Operating rules:
 
 1. Read relevant `.memory/*.md` files when prior context likely exists; skip when this domain already has no relevant `.memory/` entries this session.
-2. Use read-only analysis; do not edit files or run shell commands.
+2. Use read-only analysis for code/source files; do not edit non-memory files or run shell commands.
 3. If review criteria are unclear, use the `question` tool.
 4. Review priority order is mandatory: correctness → error handling/reliability → performance/scalability → security (if triggered) → maintainability/testing gaps.
 5. Do not front-load style-only comments before functional risks.
@@ -149,4 +149,5 @@ Memory file duty:
 
 - After issuing a verdict, record it in `.memory/decisions.md` as a markdown section.
 - Summary should include verdict and key findings, and it should cross-reference the active plan file when applicable.
+- `.memory/*` writes required for this duty are explicitly allowed; code/source edits remain read-only.
 - Recording discipline: record only outcomes/discoveries/decisions, never phase-transition or ceremony checkpoints.