feat: CDP remote debugging + screenshot IPC handler

electron/main.js

@@ -37,6 +37,10 @@ const electron_1 = require("electron");
 const path = __importStar(require("path"));
 const child_process_1 = require("child_process");
 const fs = __importStar(require("fs"));
+// 远程调试端口 — Val 通过 CDP 远程控制窗口
+const REMOTE_DEBUG_PORT = 9222;
+electron_1.app.commandLine.appendSwitch('remote-debugging-port', String(REMOTE_DEBUG_PORT));
+electron_1.app.commandLine.appendSwitch('remote-debugging-address', '0.0.0.0');
 let mainWindow = null;
 let overlayProcess = null;
 let monitorProcess = null;
@@ -226,6 +230,13 @@ electron_1.ipcMain.handle('open-external', async (_event, url) => {
 });
 electron_1.ipcMain.handle('get-resources-path', () => process.resourcesPath);
 electron_1.ipcMain.handle('fs:exists', (_event, p) => fs.existsSync(p));
+electron_1.ipcMain.handle('app:screenshot', async () => {
+    if (mainWindow && !mainWindow.isDestroyed()) {
+        const img = await mainWindow.webContents.capturePage();
+        return { success: true, data: img.toPNG().toString('base64') };
+    }
+    return { success: false, error: 'No window' };
+});
 // === 应用生命周期 ===
 electron_1.app.whenReady().then(createWindow);
 electron_1.app.on('window-all-closed', () => {