collections + unify color picker

packages/core/src/schema/collections.ts

@@ -0,0 +1,14 @@
+import { generateId } from './base'
+import type { AnyNodeId } from './types'
+
+export type CollectionId = `collection_${string}`
+
+export type Collection = {
+  id: CollectionId
+  name: string
+  color?: string
+  nodeIds: AnyNodeId[]
+  controlNodeId?: AnyNodeId
+}
+
+export const generateCollectionId = (): CollectionId => generateId('collection')

packages/core/src/schema/index.ts

@@ -1,5 +1,7 @@
 // Base
 export { BaseNode, generateId, Material, nodeType, objectId } from './base'
+// Collections
+export { generateCollectionId, type Collection, type CollectionId } from './collections'
 // Camera
 export { CameraSchema } from './camera'
 export type { AnimationEffect, Asset, AssetInput, Control, Effect, Interactive, LightEffect, SliderControl, TemperatureControl, ToggleControl } from './nodes/item'

packages/core/src/schema/nodes/item.ts

@@ -1,6 +1,7 @@
 import dedent from 'dedent'
 import { z } from 'zod'
 import { BaseNode, nodeType, objectId } from '../base'
+import type { CollectionId } from '../collections'
 
 // --- Control descriptors ---
 
@@ -110,6 +111,9 @@ export const ItemNode = BaseNode.extend({
   wallId: z.string().optional(),
   wallT: z.number().optional(), // 0-1 parametric position along wall
 
+  // Denormalized references to collections this node belongs to
+  collectionIds: z.array(z.custom<CollectionId>()).optional(),
+
   asset: assetSchema,
 }).describe(dedent`Item node - used to represent a item in the building
   - position: position in level coordinate system (or parent coordinate system if attached)