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/readme-upgrade-docs/VERDICT.md

@@ -0,0 +1,16 @@
+# Verdict: readme-upgrade-docs
+
+## Status: PASS
+**Completion Date**: 2026-06-15
+
+## Summary
+Updated README.md with comprehensive v2.0 documentation: `--project` flag on all commands, `--can-edit` modes, `--upgrade` for untracked tasks, three enforcement layers, full upgrade process for existing projects, pre-commit hook installation, and updated Key Components.
+
+## Findings
+- All 6 acceptance criteria met
+- 200 tests pass
+- Documentation-only change, no code bugs possible
+- Pre-existing issues in upgrade.sh noted but not in scope
+
+## Score
++10