update DoD

.codex/skills/review-pr/SKILL.md

@@ -47,8 +47,9 @@ description: Phase 2 skill. Use when a PR is created or updated. Review PR again
    - Run checks:
      ```
      gofmt -l .
-     go vet ./...
      go test ./...
+     go vet ./...
+     staticcheck ./...
      ```
    - Remove worktree when done:
      ```
@@ -57,6 +58,11 @@ description: Phase 2 skill. Use when a PR is created or updated. Review PR again
 
 5. **Evaluate**
    - Does PR address **all** Final Requirements from the issue?
+   - Does PR satisfy the repo Definition of Done?
+     - relevant tests for behavior/config changes
+     - required `README.md` / `.env.example` updates
+     - ADR present when the change locks in a durable decision
+     - required implementation evidence exists on the issue and in the PR body
    - Does PR contain unrelated changes or refactoring? → FAIL immediately.
    - Code correctness, style, test coverage.
 
@@ -85,6 +91,7 @@ Validation:
 - gofmt -l .: OK
 - go vet ./...: OK
 - go test ./...: OK
+- staticcheck ./...: OK
 
 Non-blocking:
 - <optional note>
@@ -106,6 +113,7 @@ Validation:
 - Do not add yourself as reviewer twice; check requested reviewers and existing reviews first.
 - Do NOT edit code on the PR.
 - FAIL if PR contains unrelated changes or scope creep.
+- FAIL if the PR misses required DoD evidence, docs, or ADR work for the accepted change.
 - Post review proactively if verdict is clear.
 - Do not post a verdict until PR discussion comments have been checked.
 - Mention validation commands you actually ran.