feat: 更新 Plus Return 确认逻辑，增加等待时间至 40 秒并添加测试用例

background.js

@@ -7109,7 +7109,6 @@ const plusReturnConfirmExecutor = self.MultiPageBackgroundPlusReturnConfirm?.cre
   isTabAlive,
   setState,
   sleepWithStop,
-  waitForTabCompleteUntilStopped,
   waitForTabUrlMatchUntilStopped,
 });
 const step10Executor = self.MultiPageBackgroundStep10?.createStep10Executor({

background/steps/plus-return-confirm.js

@@ -3,6 +3,7 @@
 })(typeof self !== 'undefined' ? self : globalThis, function createBackgroundPlusReturnConfirmModule() {
   const PAYPAL_SOURCE = 'paypal-flow';
   const PLUS_CHECKOUT_SOURCE = 'plus-checkout';
+  const PLUS_RETURN_SETTLE_WAIT_MS = 40000;
 
   function createPlusReturnConfirmExecutor(deps = {}) {
     const {
@@ -12,7 +13,6 @@
       isTabAlive,
       setState,
       sleepWithStop,
-      waitForTabCompleteUntilStopped,
       waitForTabUrlMatchUntilStopped,
     } = deps;
 
@@ -41,8 +41,8 @@
       const tabId = await resolveReturnTabId(state);
       await addLog('步骤 9：正在等待 PayPal 授权后回跳到 ChatGPT / OpenAI 页面...', 'info');
       const tab = await waitForTabUrlMatchUntilStopped(tabId, isReturnUrl);
-      await waitForTabCompleteUntilStopped(tabId);
-      await sleepWithStop(1000);
+      await addLog('步骤 9：已检测到订阅回跳页面，固定等待 40 秒让页面完成加载。', 'info');
+      await sleepWithStop(PLUS_RETURN_SETTLE_WAIT_MS);
 
       await setState({
         plusCheckoutTabId: tabId,

tests/plus-return-confirm-wait.test.js

@@ -0,0 +1,53 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('background/steps/plus-return-confirm.js', 'utf8');
+const globalScope = {};
+const api = new Function('self', `${source}; return self.MultiPageBackgroundPlusReturnConfirm;`)(globalScope);
+
+test('Plus return confirm waits a fixed 40 seconds after return URL is detected', async () => {
+  const events = [];
+  const executor = api.createPlusReturnConfirmExecutor({
+    addLog: async (message, level = 'info') => {
+      events.push({ type: 'log', message, level });
+    },
+    completeStepFromBackground: async (step, payload) => {
+      events.push({ type: 'complete', step, payload });
+    },
+    getTabId: async (source) => (source === 'paypal-flow' ? 77 : null),
+    isTabAlive: async (source) => source === 'paypal-flow',
+    setState: async (payload) => {
+      events.push({ type: 'set-state', payload });
+    },
+    sleepWithStop: async (ms) => {
+      events.push({ type: 'sleep', ms });
+    },
+    waitForTabUrlMatchUntilStopped: async (tabId, matcher) => {
+      const url = 'https://chatgpt.com/backend-api/payments/success';
+      assert.equal(tabId, 77);
+      assert.equal(matcher(url), true);
+      events.push({ type: 'url-match', tabId, url });
+      return { id: tabId, url };
+    },
+  });
+
+  await executor.executePlusReturnConfirm({});
+
+  assert.deepEqual(
+    events.find((event) => event.type === 'sleep'),
+    { type: 'sleep', ms: 40000 }
+  );
+  assert.equal(
+    events.some((event) => event.type === 'log' && /固定等待 40 秒/.test(event.message)),
+    true
+  );
+  assert.deepEqual(
+    events.find((event) => event.type === 'complete'),
+    {
+      type: 'complete',
+      step: 9,
+      payload: { plusReturnUrl: 'https://chatgpt.com/backend-api/payments/success' },
+    }
+  );
+});