- Upgrade shiki from ^1.0.0 to ^3.13.0
- Use shiki/bundle/full with all bundled languages (200+)
- Change getHighlighter to createHighlighter (v3 API)
- Fix CodeBlockInline to track reactive dependencies (theme, code, language)
- Add markdown code block detection in tool call outputs
- Render tool outputs with Markdown component when they contain code blocks
- Support syntax highlighting for bash, webfetch, and default tool outputs
- Implement markdown parser using marked with Shiki syntax highlighting
- Add CodeBlockInline component for tool call outputs with syntax highlighting
- Add Markdown component for assistant message text with code blocks
- Add ThemeProvider for light/dark mode support
- Add copy buttons to all code blocks (markdown and tool calls)
- Support 20+ languages: TypeScript, JavaScript, Python, Bash, JSON, HTML, CSS, C++, Java, C, C#, Rust, Go, PHP, Ruby, Swift, Kotlin, and more
- Auto-detect language from file extensions in tool call outputs
- Apply consistent styling for code blocks across the application
- Fix whitespace handling in markdown-rendered text
- Add language labels to all code blocks
- Implement tool-specific rendering for all 14 tool types (read, edit, write, bash, webfetch, todowrite, task, etc.)
- Each tool shows contextually relevant information (file previews, diffs, command output, todo lists)
- Add metadata-driven content display using preview, diff, output, and todos from tool state
- Implement status-based rendering (pending, running, completed, error) with animations
- Create global state store for expandable items (tool calls and reasoning sections)
- Fix state persistence: expanded tool calls and reasoning sections remain expanded when new messages arrive
- Fix scroll position preservation during live message updates
- Fix reasoning toggle loop by replacing native details element with custom expandable
- Add comprehensive documentation in TOOL_CALL_IMPLEMENTATION.md
- Reduce font sizes for better readability in expanded tool content
- Add proper keying to For loops to prevent component recreation
- Match TUI patterns for tool names, actions, and content formatting
