Add the planned Task 4 test path to the explicit canvas test include list so normal Vitest discovery runs components/canvas/__tests__/use-canvas-flow-reconciliation.test.ts without temporary config overrides.
Rename the hook test to the planned path, revert the persistent Vitest config tweak, and narrow the hook inputs to reconciliation data plus shared refs. Keep verification working with a temporary test config instead of expanding the repo-level include list.
Move Convex-to-local node and edge reconciliation into a dedicated hook so canvas.tsx has a cleaner sync boundary during modularization. Add hook-level tests for optimistic edge carry and drag-lock behavior to preserve the existing UX.
