Archive completed tasks, add cleanup commands, self-documenting dashboard UI

- Archive 79 completed framework-dev tasks from tasks/ -> tasks/complete/
- status.py: add --cleanup-done and --install-cleanup-schedule commands
- Add scripts/automaton-cleanup.sh for periodic task archiving
- Dashboard: rename 'Background' tab -> 'Agent', 'Cleanup' agent -> 'Completed Task Archiver', remove redundant group headers and pill badges, dim inactive agent placeholders
- .rules.md: add Self-Documenting UI Names rule
- New tests: test_cleanup_done.py, expanded test_app.py and test_task.py

tasks/complete/dashboard-task-review/VERDICT.md

@@ -0,0 +1,17 @@
+# VERDICT: Dashboard Task Review and Approval
+
+
+## Status: PASS
+## Summary
+Added complete review/approval workflow to the dashboard with status badges, detail panel buttons, review filter, and API endpoints.
+
+## Phase Results
+| Phase | Result |
+|-------|--------|
+| Implementation | ✅ PASS |
+| Bug Find | ✅ PASS (2 minor findings) |
+| Adversarial Bug Find | ✅ PASS — path traversal vulnerability found and fixed |
+| Doc Review | ✅ PASS (1 doc finding) |
+
+## Final Verdict
+**PASS** — All acceptance criteria met. Security issue fixed during adversarial review.