- Restructure TerminalModal header layout to support mobile viewports with proper flex sizing
- Add CSS styles for responsive terminal header with title truncation and icon wrapping
- Add inline comment documenting mobile header layout contract
- Add comprehensive TerminalModal test suite covering mobile layout, resize behavior, and header interactions
- Clean up unrelated store test and changeset remnants from prior work
- Remove dist-dependent workspace type resolution from all tsconfig files
- Add clean-checkout typecheck regression test to CI suite
- Update package.json type definitions for core, engine, dashboard, and cli packages
- Update README with typecheck testing documentation
- Clean up unused test files and component dependencies
- Add backend terminal API with session management and SSE streaming
- Create useTerminal hook for command execution and history navigation
- Implement interactive TerminalModal with real-time output display
- Add terminal button to Header for quick access
- Style terminal with CSS variables and responsive design
- Add keyboard shortcuts (Ctrl+C to kill, Ctrl+L to clear, arrow keys for history)
- Add security validation for shell commands
- Add backend terminal API with SSE streaming for real-time output
- Create useTerminal hook with command history and navigation
- Refactor TerminalModal into interactive shell component
- Update App and Header for standalone terminal button
- Add CSS styles for terminal UI (prompts, output, spinner, welcome screen)
- Update tests for new terminal behavior
- Add section expansion state management with localStorage persistence
- Update section headers with chevron toggle controls
- Implement conditional task row rendering based on section state
- Add Expand All / Collapse All toolbar controls
- Add CSS styles for chevron rotation animation and section headers
- Add comprehensive tests for collapsible section behavior
