- Add bezier math utilities for VectorNetwork manipulation
- Enable resuming pen drawing from existing open path endpoints
- Allow closing open paths by dragging endpoints together
- Add comprehensive vector editing capabilities for curves and paths
- Strip tools/schema.ts from 1831 to 65 lines (remove duplicate tool defs)
- Fix tools/index.ts to export ALL_TOOLS from registry instead of schema
- Fix renderJsx → renderJSX typo in tools/create.ts and structure.ts
- Add geometry.ts with shared rotation/coordinate math utilities
- Add isArrayMixed() helper to use-multi-props.ts, deduplicate FillSection/StrokeSection/EffectsSection
- Fix broken test imports: use @open-pencil/core instead of relative paths into packages/core/src/
- Merge duplicate import statements across all test files
- Export profiler internals and style-run helpers from core index.ts
- Add 6 new test files: color, undo, snap, vector, style-runs, text-editor (98 new tests)
- Update renderer-effects test for renderer/ directory split
