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/framework-audit/VERDICT.md

@@ -1,16 +0,0 @@
-# VERDICT: Framework Self-Consistency Audit
-
-
-## Status: PASS
-## Summary
-Performed comprehensive audit of the framework against its own design principles. Produced RESEARCH.md with 11 principles, 10 gaps, and 5 tasks.
-
-## Phase Results
-| Phase | Result |
-|-------|--------|
-| Research | ✅ PASS — RESEARCH.md produced |
-| Bug Find | ✅ PASS |
-| Doc Review | ✅ PASS |
-
-## Final Verdict
-**PASS** — Audit is comprehensive. All identified gaps were covered by existing or newly created tasks.