feat: 添加2925邮箱会话确保逻辑，优化邮箱轮询验证码流程

tests/background-step7-recovery.test.js

@@ -92,6 +92,7 @@ test('step 8 submits login verification directly without replaying step 7', asyn
 test('step 8 uses a fixed 10-minute lookback window and disables resend interval for 2925 mailbox polling', async () => {
   let capturedOptions = null;
   let ensureCalls = 0;
+  let ensureOptions = null;
   const tabUpdates = [];
   const tabReuses = [];
   const realDateNow = Date.now;
@@ -108,8 +109,9 @@ test('step 8 uses a fixed 10-minute lookback window and disables resend interval
     },
     CLOUDFLARE_TEMP_EMAIL_PROVIDER: 'cloudflare-temp-email',
     confirmCustomVerificationStepBypass: async () => {},
-    ensureMail2925MailboxSession: async () => {
+    ensureMail2925MailboxSession: async (options) => {
       ensureCalls += 1;
+      ensureOptions = options;
     },
     ensureStep8VerificationPageReady: async () => ({ state: 'verification_page' }),
     rerunStep7ForStep8Recovery: async () => {},
@@ -122,7 +124,15 @@ test('step 8 uses a fixed 10-minute lookback window and disables resend interval
       url: 'https://2925.com',
       navigateOnReuse: false,
     }),
-    getState: async () => ({ email: 'user@example.com', password: 'secret' }),
+    getState: async () => ({
+      email: 'user@example.com',
+      password: 'secret',
+      mail2925UseAccountPool: true,
+      currentMail2925AccountId: 'acc-1',
+      mail2925Accounts: [
+        { id: 'acc-1', email: 'pool-user@2925.com' },
+      ],
+    }),
     getTabId: async (sourceName) => (sourceName === 'signup-page' ? 1 : 2),
     HOTMAIL_PROVIDER: 'hotmail-api',
     isTabAlive: async () => true,
@@ -148,16 +158,26 @@ test('step 8 uses a fixed 10-minute lookback window and disables resend interval
       password: 'secret',
       oauthUrl: 'https://oauth.example/latest',
       mail2925UseAccountPool: true,
+      currentMail2925AccountId: 'acc-1',
+      mail2925Accounts: [
+        { id: 'acc-1', email: 'pool-user@2925.com' },
+      ],
     });
   } finally {
     Date.now = realDateNow;
   }
 
-  assert.equal(ensureCalls, 0);
+  assert.equal(ensureCalls, 1);
+  assert.deepStrictEqual(ensureOptions, {
+    accountId: 'acc-1',
+    forceRelogin: false,
+    allowLoginWhenOnLoginPage: true,
+    expectedMailboxEmail: 'pool-user@2925.com',
+    actionLabel: 'Step 8: ensure 2925 mailbox session',
+  });
   assert.deepStrictEqual(tabReuses, []);
   assert.deepStrictEqual(tabUpdates, [
     { tabId: 1, payload: { active: true } },
-    { tabId: 2, payload: { active: true } },
   ]);
   assert.equal(capturedOptions.filterAfterTimestamp, 300000);
   assert.equal(capturedOptions.resendIntervalMs, 0);