fn-9.13 HelpOverlay component

fn-9.13 HelpOverlay component

Description

Create HelpOverlay component showing keybindings.

File

src/components/help-overlay.ts

Features

• Modal overlay on ? key
• Lists all keyboard shortcuts
• Dismiss with Esc or ?

Interface

class HelpOverlay implements Component {
  render(width: number): string[]
  handleInput(data: string): void
}

Content

┌─ Help ─────────────────────────────┐
│                                     │
│  j/k      Navigate task list        │
│  ?        Show/hide this help       │
│  q        Quit (detach if running)  │
│  Esc      Close overlay             │
│  Ctrl+C   Same as q                 │
│                                     │
│         Press ? or Esc to close     │
└─────────────────────────────────────┘

Use pi-tui overlay system if available, or render centered box.

Acceptance

• Overlay renders centered
• All keybindings listed
• Esc dismisses overlay
• ? toggles overlay
• Theme colors applied

Done summary

• Added HelpOverlay component with keybinding list
• Centered modal box, toggles on ? key
• Esc or ? dismisses overlay
• 26 tests covering visibility, input, centering

Evidence

• Commits: 8ddf481
• Tests: bun test src/components/help-overlay.test.ts
• PRs: