* feat: add three viewing modes for app specification
Introduces View, Edit, and Source modes for the spec page:
- View: Clean read-only display with cards, badges, and accordions
- Edit: Structured form-based editor for all spec fields
- Source: Raw XML editor for advanced users
Also adds @automaker/spec-parser shared package for XML parsing
between server and client.
* fix: address PR review feedback
- Replace array index keys with stable UUIDs in array-field-editor,
features-section, and roadmap-section components
- Replace regex-based XML parsing with fast-xml-parser for robustness
- Simplify renderContent logic in spec-view by removing dead code paths
* fix: convert git+ssh URLs to https in package-lock.json
* fix: address PR review feedback for spec visualiser
- Remove unused RefreshCw import from spec-view.tsx
- Add explicit parsedSpec check in renderContent for robustness
- Hide save button in view mode since it's read-only
- Remove GripVertical drag handles since drag-and-drop is not implemented
- Rename Map imports to MapIcon to avoid shadowing global Map
- Escape tagName in xml-utils.ts RegExp functions for safety
- Add aria-label attributes for accessibility on mode tabs
* fix: address additional PR review feedback
- Fix Textarea controlled/uncontrolled warning with default value
- Preserve IDs in useEffect sync to avoid unnecessary remounts
- Consolidate lucide-react imports
- Add JSDoc note about tag attributes limitation in xml-utils.ts
- Remove redundant disabled prop from SpecModeTabs
