feat(agent): 创作能力 - 接通专业节点发现与插件执行基础

web/src/lib/canvas/node-registry/node-registry.ts

@@ -13,6 +13,12 @@ const FALLBACK_MIN_SIZE = { width: 220, height: 160 } as const;
 
 /** 批量注册节点定义 */
 export function registerNodeDefinitions(defs: CanvasNodeDefinition[], ownerId = "builtin") {
+    const ids = new Set<string>();
+    for (const def of defs) {
+        const owner = ownerByType.get(def.type);
+        if (ids.has(def.type) || (owner && owner !== ownerId)) throw new Error(`节点类型重复或归属冲突：${def.type}`);
+        ids.add(def.type);
+    }
     for (const def of defs) {
         definitions.set(def.type, def);
         ownerByType.set(def.type, ownerId);