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/phase-scoped-prompts/DOC_REVIEW.md

@@ -0,0 +1,20 @@
+# Doc Review: Phase-Scoped Prompts
+
+## Documents Checked
+| Doc | Status |
+|-----|--------|
+| prompts/research.md | ✅ ALLOWED/FORBIDDEN + approval gate + override resistance |
+| prompts/decompose.md | ✅ ALLOWED/FORBIDDEN + approval gate + override resistance |
+| prompts/design.md | ✅ ALLOWED/FORBIDDEN + approval gate + override resistance |
+| prompts/test_design.md | ✅ ALLOWED/FORBIDDEN + approval gate + override resistance |
+| prompts/implement.md | ✅ ALLOWED/FORBIDDEN (no approval gate — correct) |
+| prompts/bug_finder.md | ✅ ALLOWED/FORBIDDEN (no approval gate — correct) |
+| prompts/adversarial_bug_find.md | ✅ ALLOWED/FORBIDDEN (no approval gate — correct) |
+| prompts/doc_review.md | ✅ ALLOWED/FORBIDDEN (no approval gate — correct) |
+| prompts/referee.md | ✅ ALLOWED/FORBIDDEN (no approval gate — correct) |
+| prompts/orchestrate.md | ✅ Reduced to 143 lines, gate-check loop documented |
+
+## Findings
+1. **Minor**: `decompose.md` exceeds the 150-line soft target. Content is complete and correct.
+
+## Verdict: PASS