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/add-pytest-test-suite/VERDICT.md

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+# Verdict: Add pytest Test Suite
+
+## Status: PASS
+**Completion Date**: 2026-06-14
+
+## Summary
+A pytest suite has been added covering scope detection, task state determination, board logic, statistics, configuration, dashboard app validation, and VRAM detection. All tests pass.
+
+## Findings
+- 70 tests pass.
+- Root packaging configured.
+- Minor bugs in `_validate_task_name` and VRAM token parsing were discovered and fixed during test development.
+
+## Remaining Issues
+None.
+
+## Score
++10 PASS