feat: introduce image editing capabilities and enhance canvas component organization

- Added new image editing node types including curves, color adjustment, light adjustment, detail adjustment, and render, expanding the functionality of the canvas.
- Updated the canvas command palette and sidebar to categorize and display new image editing nodes, improving user navigation and accessibility.
- Implemented collapsible categories in the sidebar for better organization of node types, enhancing the overall user experience.
- Refactored canvas components to support the new image editing features, ensuring seamless integration with existing functionalities.

convex/schema.ts

@@ -48,6 +48,12 @@ const nodeType = v.union(
   // Transformation (Phase 3)
   v.literal("style-transfer"),
   v.literal("face-restore"),
+  // Bildbearbeitung (Phase 2)
+  v.literal("curves"),
+  v.literal("color-adjust"),
+  v.literal("light-adjust"),
+  v.literal("detail-adjust"),
+  v.literal("render"),
   // Steuerung (Phase 2)
   v.literal("splitter"),
   v.literal("loop"),