Feature/ecs behavior tree (#188)

* feat(behavior-tree): 完全 ECS 化的行为树系统

* feat(editor-app): 添加行为树可视化编辑器

* chore: 移除 Cocos Creator 扩展目录

* feat(editor-app): 行为树编辑器功能增强

* fix(editor-app): 修复 TypeScript 类型错误

* feat(editor-app): 使用 FlexLayout 重构面板系统并优化资产浏览器

* feat(editor-app): 改进编辑器UI样式并修复行为树执行顺序

* feat(behavior-tree,editor-app): 添加装饰器系统并优化编辑器性能

* feat(behavior-tree,editor-app): 添加属性绑定系统

* feat(editor-app,behavior-tree): 优化编辑器UI并改进行为树功能

* feat(editor-app,behavior-tree): 添加全局黑板系统并增强资产浏览器功能

* feat(behavior-tree,editor-app): 添加运行时资产导出系统

* feat(behavior-tree,editor-app): 添加SubTree系统和资产选择器

* feat(behavior-tree,editor-app): 优化系统架构并改进编辑器文件管理

* fix(behavior-tree,editor-app): 修复SubTree节点错误显示空节点警告

* fix(editor-app): 修复局部黑板类型定义文件扩展名错误

packages/editor-app/src/i18n/locales/en.json

@@ -0,0 +1,48 @@
+{
+  "behaviorTree": {
+    "title": "Behavior Tree Editor",
+    "close": "Close",
+    "nodePalette": "Node Palette",
+    "properties": "Properties",
+    "blackboard": "Blackboard",
+    "noNodeSelected": "No node selected",
+    "noConfigurableProperties": "This node has no configurable properties",
+    "apply": "Apply",
+    "reset": "Reset",
+    "addVariable": "Add Variable",
+    "variableName": "Variable Name",
+    "type": "Type",
+    "value": "Value",
+    "defaultGroup": "Default Group",
+    "rootNode": "Root Node",
+    "rootNodeOnlyOneChild": "Root node can only connect to one child",
+    "dragToCreate": "Drag nodes from the left to below the root node to start creating behavior tree",
+    "connectFirst": "Connect the root node with the first node first",
+    "nodeCount": "Nodes",
+    "noSelection": "No selection",
+    "selectedCount": "{{count}} nodes selected",
+    "idle": "Idle",
+    "running": "Running",
+    "paused": "Paused",
+    "step": "Step",
+    "run": "Run",
+    "pause": "Pause",
+    "resume": "Resume",
+    "stop": "Stop",
+    "stepExecution": "Step Execution",
+    "resetExecution": "Reset",
+    "clear": "Clear",
+    "resetView": "Reset View",
+    "tick": "Tick",
+    "executing": "Executing",
+    "success": "Success",
+    "failure": "Failure",
+    "startingExecution": "Starting execution from root...",
+    "tickNumber": "Tick {{tick}}",
+    "executionStopped": "Execution stopped after {{tick}} ticks",
+    "executionPaused": "Execution paused",
+    "executionResumed": "Execution resumed",
+    "resetToInitial": "Reset to initial state",
+    "currentValue": "Current Value"
+  }
+}