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/hook-install-process/DOC_REVIEW.md

@@ -0,0 +1,17 @@
+# Documentation Review: hook-install-process
+
+## Summary
+Review of documentation for hook installation changes.
+
+## Documentation Plan Compliance
+- [x] prompts/onboarding.md — Step 2c added with hook installation
+- [x] scripts/upgrade.sh — Hook installation logic with error handling
+- [x] scripts/install.sh — Post-install steps mention hook setup
+- [x] AGENTS.md — Repository layout includes git-hooks/ directory
+- [x] contracts/harness-integration.md — Pre-commit hook section with installation instructions
+
+## Issues Found
+None — documentation is complete and consistent.
+
+## Score
++5