Story 3.4: AI semantic suggestions with accept/reject workflow
- ProposalBar overlay with visual diff
- Accept/reject flow with graph snapshot restore
- useProposalDiff hook for change summary
- System prompt scoping for selected elements
Story 3.5: New diagram wizard with AI type inference
- CreateDiagramDialog with AI type inference (Haiku)
- initialDescription prop for chat-first flow
- Auto-send on mount with hasSentInitial ref guard
- DB migration for diagram description column
Story 3.6: Hover affordances and command palette
- HoverAffordances toolbar (5 AI actions, debounced)
- CommandPalette (Cmd+K) with AI, nav, Go to Node
- prefillChat/fitViewRequested/focusNodeId actions
- Code review: getNodesBounds, onOpenRightPanel,
timer cleanup, test count fix
374 tests passing (251 web + 123 AI).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add complete AI-powered diagram generation pipeline: natural language input
→ type inference → graph patch generation → validated canvas render with
ELK.js layout animation. Includes adversarial code review fixes for
diagramType enum validation, duplicate ID detection, tool part history
preservation, PATCH error handling, and graphData structural validation.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>