feat: 模板导出导入 + 模板应用自动刷新主窗口 + 窗口放大 + 状态栏可拖拽

electron/preload/preload.ts

@@ -57,14 +57,21 @@ contextBridge.exposeInMainWorld('electronAPI', {
     importJson: () => ipcRenderer.invoke('rubric:importJson'),
     getNextIndex: () => ipcRenderer.invoke('rubric:getNextIndex'),
     setNextIndex: (idx: number) => ipcRenderer.invoke('rubric:setNextIndex', idx),
-    resetNextIndex: () => ipcRenderer.invoke('rubric:resetNextIndex')
+    resetNextIndex: () => ipcRenderer.invoke('rubric:resetNextIndex'),
+    onUpdated: (callback: () => void) => {
+      const handler = () => callback()
+      ipcRenderer.on('rubric:updated', handler)
+      return () => ipcRenderer.removeListener('rubric:updated', handler)
+    }
   },
 
   template: {
     list: () => ipcRenderer.invoke('template:list'),
     save: (data: { name: string; course: string; questions?: any[] }) => ipcRenderer.invoke('template:save', data),
     delete: (id: number) => ipcRenderer.invoke('template:delete', id),
-    apply: (id: number) => ipcRenderer.invoke('template:apply', id)
+    apply: (id: number) => ipcRenderer.invoke('template:apply', id),
+    exportJson: () => ipcRenderer.invoke('template:exportJson'),
+    importJson: () => ipcRenderer.invoke('template:importJson')
   },
 
   dialog: {