refactor: 增加TitleBar组件，微调页面布局

frontend/electron/main.ts

@@ -69,6 +69,8 @@ function createWindow() {
     minWidth: 800,
     minHeight: 600,
     icon: path.join(__dirname, '../src/assets/AUTO_MAA.ico'),
+    frame: false, // 去掉系统标题栏
+    titleBarStyle: 'hidden', // 隐藏标题栏
     webPreferences: {
       preload: path.join(__dirname, 'preload.js'),
       nodeIntegration: false,
@@ -109,6 +111,33 @@ ipcMain.handle('open-dev-tools', () => {
   }
 })
 
+// 窗口控制
+ipcMain.handle('window-minimize', () => {
+  if (mainWindow) {
+    mainWindow.minimize()
+  }
+})
+
+ipcMain.handle('window-maximize', () => {
+  if (mainWindow) {
+    if (mainWindow.isMaximized()) {
+      mainWindow.unmaximize()
+    } else {
+      mainWindow.maximize()
+    }
+  }
+})
+
+ipcMain.handle('window-close', () => {
+  if (mainWindow) {
+    mainWindow.close()
+  }
+})
+
+ipcMain.handle('window-is-maximized', () => {
+  return mainWindow ? mainWindow.isMaximized() : false
+})
+
 ipcMain.handle('select-folder', async () => {
   if (!mainWindow) return null
   const result = await dialog.showOpenDialog(mainWindow, {

frontend/electron/preload.ts

@@ -11,6 +11,12 @@ contextBridge.exposeInMainWorld('electronAPI', {
   selectFile: (filters?: any[]) => ipcRenderer.invoke('select-file', filters),
   openUrl: (url: string) => ipcRenderer.invoke('open-url', url),
 
+  // 窗口控制
+  windowMinimize: () => ipcRenderer.invoke('window-minimize'),
+  windowMaximize: () => ipcRenderer.invoke('window-maximize'),
+  windowClose: () => ipcRenderer.invoke('window-close'),
+  windowIsMaximized: () => ipcRenderer.invoke('window-is-maximized'),
+
   // 初始化相关API
   checkEnvironment: () => ipcRenderer.invoke('check-environment'),
   downloadPython: (mirror?: string) => ipcRenderer.invoke('download-python', mirror),