refactor: simplify AI panel workflow - direct file modification and reload from disk

editor/components/AIPanel.vue

@@ -19,15 +19,9 @@ function toggleMode() {
 function buildMessage(userInput: string): string {
   if (mode.value !== 'json') return `需求: ${userInput}`
 
-  let ctx = `当前编辑文件: ${store.sourcePath}\n`
-  if (store.selectedScene) {
-    ctx += `选中场景: ${store.selectedScene.id}\n`
-    ctx += `当前场景 JSON:\n${JSON.stringify(store.selectedScene, null, 2)}\n\n`
-  } else if (Object.keys(store.gameData.scenes).length > 0) {
-    const { scenes, ...rest } = store.gameData
-    ctx += `全局配置:\n${JSON.stringify(rest, null, 2)}\n\n`
-  }
-  ctx += `需求: ${userInput}`
+  let ctx = `修改文件 ${store.sourcePath}`
+  if (store.selectedScene) ctx += `，针对场景节点 ${store.selectedScene.id}`
+  ctx += `。需求: ${userInput}`
   return ctx
 }
 
@@ -51,14 +45,8 @@ async function send() {
     if (newSid) store.setAISessionId(newSid)
 
     if (mode.value === 'json') {
-      const clean = result.replace(/^```json\n?|\n?```$/g, '').trim()
-      try {
-        JSON.parse(clean)
-        store.setAIResult(clean)
-        messages.value.push({ role: 'assistant', content: '已生成 JSON，请查看编辑器面板' })
-      } catch {
-        messages.value.push({ role: 'assistant', content: result })
-      }
+      messages.value.push({ role: 'assistant', content: result || '已完成' })
+      await store.reloadFromDisk()
     } else {
       messages.value.push({ role: 'assistant', content: result || '已完成' })
     }