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/fix-cat3-audit-paths/VERDICT.md

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+# Verdict: fix-cat3-audit-paths
+
+## Status: PASS
+**Completion Date**: 2026-06-22
+
+## Summary
+The fix correctly handles both framework mode and regular project mode path prefixes in the Category 3 audit. All tests pass.
+
+## Findings
+- The fix adds a second path check for `.automaton/tasks/{task_name}/...` alongside the existing `tasks/{task_name}/...` check.
+- Bug Finder found no bugs. Adversarial Bug Finder found no bugs.
+- No contradictions between the two reports.
+- Test coverage added: `TestCat3AuditRegularProjectPaths`.
+- All 242 tests pass.
+
+## Tasks for Review / Tie-Breaks
+None.
+
+## Remaining Issues
+None.
+
+## Score
++10 (PASS)
+
+## Reviewer Comments
+