- Add ComponentsDropdown.vue with save/load/delete functionality - Create components store (Pinia) for state management - Extract WebMCP initialization to services/webmcp.ts - Extract MCP tools registration to services/canvasTools.ts - Simplify Canvas.vue (~340 lines -> ~105 lines) - Update App.vue header with components dropdown Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>