- Add workspace update and delete API endpoints
- Redesign selected files display to use interactive cards
- Implement VS Code-style modal for file content preview
- Enhance file tree with animations and local state
- Update UI styles for explorer, forms, and modals
- Create `codewalker` module with file system utilities
- Refactor `Workspace` file operations to use `codewalker`
- Add `include_tree` flag to `HeropromptChild` struct
- Implement new `/selection` API endpoint for workspace
- Sync frontend selection state to backend via new API
- Refactor all UI rendering logic into a single `ui` module
- Centralize static assets serving to `/static` directory
- Redesign Heroprompt page with Bootstrap 5 components
- Enhance workspace management and file tree interactions
- Add Bootstrap modal support for UI dialogs
