### Added
- TUI component preview system (`npm run preview-tui`)
  - Real Pi TUI components rendering (Container, SelectList, Text, Box, Spacer)
  - Interactive menu to preview Work Selector, Complexity Router, Activation Banner
  - Visual validation tool for TUI development
- TUI extensions: work-selector, complexity-router, workflow-graph

### Changed
- Updated persona discipline: zero artifacts in repo without approval
- Internal artifacts moved to `~/.patchani/` (session continuity)
- Improved testing documentation with TUI preview workflow

### Fixed
- Unit test mocks updated for widget API (setWidget, custom)
- Removed `"type": "module"` from package.json (caused test failures)

### Removed
- Noisy documentation artifacts (DELIVERABLES.md, INTEGRATION-*.md)
- Useless test-ui.js mockup (replaced with real component preview)