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Add interactive terminal UI and comprehensive testing infrastructure#2

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kyluke wants to merge 18 commits intomainfrom
feature/tui
Open

Add interactive terminal UI and comprehensive testing infrastructure#2
kyluke wants to merge 18 commits intomainfrom
feature/tui

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@kyluke kyluke commented Jun 8, 2025

Summary

• Add interactive terminal UI with ratatui for enhanced user experience, session management, and
navigation
• Implement comprehensive integration testing infrastructure with test fixtures, mocks, and database
utilities

Test plan

  • Verify TUI launches and displays correctly with termai --ui
  • Test session navigation and creation with Tab/Ctrl+N
  • Confirm mouse and keyboard interactions work as expected
  • Run integration tests with cargo test to ensure all functionality works
  • Verify CLI mode still works for backwards compatibility

kyluke mcdougall and others added 18 commits May 26, 2025 08:27
- Add create_new_session method to App
- Handle Ctrl+N key combination in events
- Process NewSession action in runner
- Update footer to show new shortcut

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
…r navigation

- Add fetch_session_by_id method to session repository for targeted session retrieval
- Implement session refresh tracking to keep session data synchronized
- Reverse session list order to show newest sessions first with corrected navigation
- Add automatic session refresh in main event loop for real-time updates
- Improve session switching logic to handle ID-based selection properly

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Enhanced set_sessions() method to safely handle empty session lists
- Added proper bounds checking for current_session() and current_session_mut()
- Improved session navigation with bounds validation in next/previous methods
- Added utility methods: has_sessions(), session_count(), remove_session()
- Added PartialEq derives to Session and Message structs for testing
- Created comprehensive test suite with 9 tests covering all edge cases
- Fixed critical bug where current_session_index could cause panics on empty vectors

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
…tion

- Added SelectSession action to KeyAction enum for Enter key in session list
- Enhanced handle_key_event() to return SelectSession when Enter pressed in SessionList
- Created select_current_session() method to focus on chat and reset scroll
- Updated directional navigation to use the new selection method
- Added comprehensive test coverage for session selection functionality
- Improved user experience with more intuitive session navigation workflow

Users can now press Enter when a session is highlighted to immediately focus
on that session's chat window, making navigation feel more natural and responsive.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Updated select_current_session() to scroll to bottom instead of top
- Users now see most recent messages when selecting a session, like modern chat apps
- Updated test to verify the bottom scroll behavior
- Provides more intuitive chat application experience

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Added 1-2px padding inside chat area content for better readability
- Added horizontal padding to session list for cleaner appearance
- Added horizontal padding to input area for consistent spacing
- Removed unused Margin import
- Content now has breathing room from borders, creating a more polished look

All scrollbars and interactive elements properly updated to work with padded areas.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
…ting

Add production-ready markdown rendering system for chat messages with:

## Core Features
- Full markdown parsing using pulldown-cmark (headings, code blocks, lists, formatting)
- High-quality syntax highlighting with syntect (20+ languages supported)
- Professional visual theming with 4 pre-built themes (GitHub Dark, Monokai, Solarized, High Contrast)
- Performance optimization with LRU caching and smart memory management
- Graceful error handling with fallback to basic formatting

## Architecture
- Trait-based design allowing pluggable rendering engines
- Comprehensive error boundaries prevent markdown failures from crashing UI
- Clean separation between parsing, highlighting, theming, and rendering
- Ratatui widget integration with proper text conversion

## Chat Integration
- Seamlessly integrated into existing TUI chat interface
- Maintains compatibility with vim-style selection mode
- Enhanced code blocks with language labels and borders
- Real-time markdown rendering for improved developer experience

## Language Support
Languages: Rust, Python, JavaScript, TypeScript, Java, Go, C/C++, C#, PHP, Ruby, Swift, Kotlin, Scala, Haskell, SQL, HTML, CSS, JSON, YAML, Docker, and more

## Testing
- Comprehensive test suite with 6 integration tests
- Error handling verification and multi-language support validation
- Performance and caching functionality testing

This significantly enhances the chat experience with professional-grade markdown rendering while maintaining the existing TUI functionality.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
- Renamed tests/integration_test.rs to tests/standalone_integration_test.rs to avoid conflict with integration/ directory
- Removed unused module imports that were causing build failures
- Added test-quiet command to justfile for minimal test output
- All tests now pass successfully in CI pipeline

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
… command

- Add RAII directory guards to prevent test interference when changing working directory
- Fix test failures caused by concurrent execution in coverage tools
- Add test-coverage command to justfile using cargo-tarpaulin

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
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