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/remove-file-system-watcher/.state

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+complete

tasks/complete/remove-file-system-watcher/IMPLEMENTATION.md

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+# Implementation: Remove File System Watcher
+
+## Summary
+Removed the half-implemented `refresh.py` file system watcher module and updated the dashboard README to reflect the actual client-side polling refresh mechanism.
+
+## Files Changed
+- `automaton/dashboard/core/refresh.py` — deleted
+- `automaton/dashboard/README.md` — removed watcher from architecture diagram, fixed tree formatting
+
+## Verification
+- `automaton/dashboard/core/refresh.py` no longer exists.
+- `python -m automaton.dashboard` still starts and refreshes via JS polling.
+- `python -m pytest tests/` still passes.
+
+## Decisions
+- The dashboard uses client-side polling (`setInterval`) for auto-refresh.
+- No replacement watcher was implemented.

tasks/complete/remove-file-system-watcher/REVIEW.md

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+# Review
+- **Status**: approved
+- **Timestamp**: 2026-06-14T09:59:40.721019
+- **Comment**: 

tasks/complete/remove-file-system-watcher/SPEC.md

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+# SPEC: Remove File System Watcher
+
+## Goal
+Resolve the half-implemented `refresh.py` module by removing it and documenting the polling-based refresh behavior.
+
+## Requirements
+1. Delete `automaton/dashboard/core/refresh.py`.
+2. Update `automaton/dashboard/README.md` to state that auto-refresh uses client-side polling.
+3. Ensure no imports or references to `refresh.py` remain.
+
+## Acceptance Criteria
+- [ ] `automaton/dashboard/core/refresh.py` does not exist.
+- [ ] `README.md` accurately describes the polling refresh mechanism.
+- [ ] `python -m automaton.dashboard` still starts and refreshes correctly.
+
+## Non-Goals
+- Implementing Server-Sent Events or WebSocket push.
+
+## Stop Condition
+When all acceptance criteria are met, output "CONTRACT_MET".

tasks/complete/remove-file-system-watcher/VERDICT.md

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+# Verdict: Remove File System Watcher
+
+## Status: PASS
+**Completion Date**: 2026-06-14
+
+## Summary
+The unused file system watcher module has been removed and documentation now accurately describes the polling-based refresh behavior.
+
+## Findings
+- `refresh.py` deleted.
+- README architecture diagram cleaned up.
+- Tests still pass.
+
+## Remaining Issues
+None.
+
+## Score
++10 PASS