fix(prefab): 修复预制体编辑模式的保存与退出，使用原生 scene://edit-mode 接口替代无效的 IPC 广播，更新相关使用文档与安全规定

templates/tasks.md

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+# Implementation Tasks
+
+## 🔴 Parallel Group A: Backend
+- [ ] Define API Schema
+- [ ] Implement Database Migrations
+- [ ] Create API Endpoints
+
+## 🔵 Parallel Group B: Frontend
+- [ ] Scaffold Components
+- [ ] Implement State Management
+- [ ] Connect to Mock API
+
+## 🟢 Phase 2: Integration
+- [ ] Connect Frontend to Real Backend
+- [ ] E2E Tests