Spawn node: place assets at runtime into the play copy, Spawner demo behavior

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

src/editor/graph/NodeView.ts

@@ -1,6 +1,8 @@
 import { CanvasTextMetrics, Graphics, Rectangle, Text } from 'pixi.js';
 import { edgesInto, type Graph, type GraphNode, inlineInputs, inlineValue, type NodeCategory, type NodeDef, type PortDef, type PortType } from '../../core/graph';
 import type { BehaviorAsset } from '../../core/model/Asset';
+import { findAsset, type Project } from '../../core/model/Project';
+import type { PropertyDef } from '../../core/properties/PropertySchema';
 import { Theme, textStyle, Widget } from '../../ui';
 import { keyLabel } from '../inspector/fieldFactory';
 
@@ -59,7 +61,7 @@ export class NodeView extends Widget {
     super();
     this.cursor = 'grab';
     this.addChild(this.box, this.ports);
-    this.sync(node, { nodes: [node], edges: [] }, null);
+    this.sync(node, { nodes: [node], edges: [] }, null, null);
   }
 
   get titleText(): string {
@@ -72,9 +74,9 @@ export class NodeView extends Widget {
     this.hitArea = new Rectangle(-PORT_HIT_RADIUS, 0, w + PORT_HIT_RADIUS * 2, h);
   }
 
-  /** Re-reads params and connections; rebuilds the text lines. */
-  sync(node: GraphNode, graph: Graph, asset: BehaviorAsset | null): void {
-    this.paramLines = this.def.params.map((p) => `${p.label}: ${formatParam(p.kind, node.params[p.key] ?? p.default, asset)}`);
+  /** Re-reads params and connections; rebuilds the text lines. `project` resolves asset references (Spawn). */
+  sync(node: GraphNode, graph: Graph, asset: BehaviorAsset | null, project: Project | null): void {
+    this.paramLines = this.def.params.map((p) => `${p.label}: ${formatParam(p, node.params[p.key] ?? p.default, asset, project)}`);
     this.connected = new Set(inlineInputs(this.def).filter((p) => edgesInto(graph, node.id, p.key).length > 0).map((p) => p.key));
     const rows = this.rowCount();
     const height = TITLE_HEIGHT + PAD + this.paramLines.length * ROW_HEIGHT + rows * ROW_HEIGHT + PAD;
@@ -169,10 +171,14 @@ export class NodeView extends Widget {
   }
 }
 
-function formatParam(kind: string, value: unknown, asset: BehaviorAsset | null): string {
+function formatParam(param: PropertyDef, value: unknown, asset: BehaviorAsset | null, project: Project | null): string {
   if (value === undefined || value === '') return '—';
-  if (kind === 'key') return keyLabel(String(value));
-  if (kind === 'enum' && asset && !asset.variables.some((v) => v.key === value) && asset.variables.length > 0 && String(value).length > 3) return `${value}?`;
+  if (param.kind === 'key') return keyLabel(String(value));
+  if (param.kind === 'enum' && param.key === 'asset') {
+    const target = project ? findAsset(project, String(value)) : undefined;
+    return target ? target.name : `${value}?`;
+  }
+  if (param.kind === 'enum' && param.key === 'variable' && asset && !asset.variables.some((v) => v.key === value) && asset.variables.length > 0 && String(value).length > 3) return `${value}?`;
   return formatValue(value);
 }