Add wl piman command and worklog widget extension

[SorraTheOrc]

Goal

Complete the Core Pi TUI Shell & Launcher (WL-0MP0Y4BD4000UM28) as the final piece of the Agent-centric Pi-based TUI epic (WL-0MP0E0M5500846SL).

Work Done

wl piman command

• New CLI entry point (src/commands/piman.ts) as the Pi-based TUI launcher
• Alias: wl pi
• Options: --in-progress, --all, --prefix, --perf
• Registered in cli.ts as a built-in command

Worklog Widget Extension

• Pi extension (packages/tui/extensions/worklog-widgets.ts) providing:
  • /worklog show - displays numbered work item list + details below editor
  • /worklog hide - removes widgets
  • /worklog-select <n|id> - select by index or work item ID
  • Keyboard shortcuts: Ctrl+1..9, Ctrl+Up/Down
• Shared helper module (worklog-helpers.ts) with pure functions for widget rendering

Tests

• 22 unit tests for widget helpers covering rendering, truncation, status icons
• All 1700 project tests pass

Documentation

• CLI.md updated with piman command documentation

Epic Status

All acceptance criteria for WL-0MP0E0M5500846SL are now met:

Criterion	Status
Agent chat pane + action palette	met
All DB operations via wl CLI	met
Pi package installable	met
CI smoke test	met
Opencode removed	met
Design checklist	met
E2E tests	met
Full test suite passes (1700)	met
Documentation updated	met

Testing

# Verify piman command
wl piman --help

# Run widget tests
npx vitest run packages/tui/tests/worklog-widgets.test.ts

# Run full test suite
npm test

Review Focus

• New wl piman command registration and options
• Pi extension widget API usage
• Widget helper test coverage