feat: AI assistant panel, editor improvements, vite and package config

editor/App.vue

@@ -7,6 +7,7 @@ import { useEditorStore } from './stores/editorStore'
 import SceneGraph from './components/SceneGraph.vue'
 import NodeEditor from './components/NodeEditor.vue'
 import PreviewPanel from './components/PreviewPanel.vue'
+import AIPanel from './components/AIPanel.vue'
 
 const store = useEditorStore()
 const editor = useGraphEditor()
@@ -111,6 +112,9 @@ onMounted(() => restoreOrLoad())
         <button @click="showPreview = !showPreview" :class="{ secondary: true, active: showPreview }">
           {{ showPreview ? '📐 图谱' : '🎬 预览' }}
         </button>
+        <button @click="store.showAIPanel = !store.showAIPanel" :class="{ secondary: true, active: store.showAIPanel }">
+          🤖 AI
+        </button>
       </div>
     </div>
 
@@ -139,6 +143,7 @@ onMounted(() => restoreOrLoad())
         @delete-scene="delNode"
         @close="store.selectedNodeId = null"
       />
+      <AIPanel v-if="store.showAIPanel" />
     </div>
 
     <input ref="fileInputRef" type="file" accept=".json" style="display:none" @change="onFileSelected" />