Expert development skill for the f1ow-canvas interactive drawing toolkit — a React + KonvaJS + Zustand library published as `<FlowCanvas>`. Covers architecture, type system, store patterns, element lifecycle, binding system, tool system, collaboration (CRDT/Yjs), performance optimizations, and extension patterns. Use this skill for ANY work on f1ow-canvas: adding features, fixing bugs, adding element types, modifying connectors, adjusting the tool system, store changes, collaboration work, performance tuning, export logic, or understanding the codebase.
2026-04-26