feat: 打开渠道与脚本自动化分离

src/main/scripts/common/tabs.js

@@ -0,0 +1,39 @@
+const preparePage = async (chromium, { tabIndex = Number(process.env.TAB_INDEX), endpoint = process.env.CDP_ENDPOINT || 'http://127.0.0.1:9222' } = {}) => {
+  const browser = await chromium.connectOverCDP(endpoint);
+  const context = browser.contexts()[0];
+
+  if (!context) {
+    throw new Error('No browser context available');
+  }
+
+  await context.addInitScript(() => {
+    Object.defineProperty(navigator, 'webdriver', { get: () => undefined });
+  });
+
+  const idx = Number.isFinite(tabIndex) && tabIndex >= 0 ? Math.floor(tabIndex) : 0;
+  let pages = await context.pages();
+  while (pages.length <= idx) {
+    await context.newPage();
+    pages = await context.pages();
+  }
+  const page = pages[idx];
+  await page.bringToFront();
+
+  return { browser, context, page };
+};
+
+const safeDisconnectBrowser = async (browser) => {
+  if (!browser) return;
+  try {
+    if (typeof browser.disconnect === 'function') {
+      await browser.disconnect();
+    } else {
+      await browser.close();
+    }
+  } catch {}
+};
+
+module.exports = {
+  preparePage,
+  safeDisconnectBrowser,
+};