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/framework-audit/BUG_REPORT.md

@@ -0,0 +1,18 @@
+# Bug Report: Framework Self-Consistency Audit
+
+## Methodology
+Reviewed RESEARCH.md for completeness against SPEC.
+
+## Acceptance Criteria
+| # | Criterion | Result |
+|---|-----------|--------|
+| 1 | All principles extracted | ✅ (11 principles) |
+| 2 | All gaps identified with root cause | ✅ (10 gaps, G1-G10) |
+| 3 | Gaps prioritized | ✅ (impact/effort matrix) |
+| 4 | Tasks validated | ✅ (existing + new task created) |
+| 5 | New tasks for uncovered gaps | ✅ (dashboard-task-review) |
+
+## Findings
+None.
+
+## Verdict: PASS