- Add CodeMirror editor with syntax highlighting for JavaScript and Python
- Add 8 starter templates (4 JS, 4 Python) for common tool patterns
- Add inline documentation panel with language-specific guidance
- Add tool testing UI to run tools with sample inputs before saving
- Add Python tool execution via backend API with 30s timeout
- Add POST /api/v1/tools/execute endpoint for backend tool execution
- Update Dockerfile to include Python 3 for tool execution
- Bump version to 0.4.0
- Increase light mode text contrast in app.css (slate.600→700, slate.500→600)
- Add light/dark mode prose styles in MessageContent.svelte for proper markdown rendering
- Convert hardcoded slate-* classes to theme utilities across 37 components
- Fix code block copy button and scrollbar theming for both modes
- Update all route pages (models, tools, knowledge, prompts) with theme classes
- Ensure consistent theming in modals, dialogs, and form inputs
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>