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/framework-self-consistency-tests/IMPLEMENTATION.md

@@ -1,21 +0,0 @@
-# Implementation: Framework Self-Consistency Tests
-
-## Summary
-- Added `tests/test_framework_self_consistency.py` with 17 tests across 7 test classes
-- R1.A: `TestDeliveryPromptsHaveStopConditions` — verifies all delivery prompts have stop condition blocks
-- R1.B: `TestNoHardcodedURLs` — checks for hardcoded IP URLs and localhost:port in prompts/contracts/templates
-- R1.C/D: `TestRulesMdSections` — verifies .rules.md mandatory sections and self-improvement examples
-- R1.E: `TestCanonicalTaskPaths` — asserts no deprecated `{project}/tasks/` paths in prompts
-- R1.F: `TestPyprojectNoStaleExtras` — asserts no inotify reference in pyproject.toml
-- R1.G: `TestDashboardCSSThemes` — verifies themable CSS variables have parity across :root and theme overrides
-- R3: `TestVerdictParsingRegression` — 6 regression tests for the critical false-BLOCKED verdict bug
-- R4: `TestCIWorkflowValidation` — verifies CI runs py_compile, pytest, and bash -n
-
-## Changes
-- `tests/test_framework_self_consistency.py`: New test file (17 tests)
-
-## Test Results
-151 passed in 0.10s (17 new self-consistency tests)
-
-## Blockers
-None