Fix add-phone handoff and SMS Bower rotation

tests/background-step6-retry-limit.test.js

@@ -176,7 +176,7 @@ test('step 7 preserves visible step when refreshing OAuth after retry', async ()
   assert.deepStrictEqual(events.refreshSteps, [9, 9, 9]);
 });
 
-test('step 7 hands add-phone to the dedicated post-login phone node without internal retry', async () => {
+test('step 7 hands add-phone to the dedicated post-login phone node without internal retry and keeps login code node active', async () => {
   const source = fs.readFileSync('flows/openai/background/steps/oauth-login.js', 'utf8');
   const globalScope = {};
   const api = new Function('self', `${source}; return self.MultiPageBackgroundStep7;`)(globalScope);
@@ -222,12 +222,16 @@ test('step 7 hands add-phone to the dedicated post-login phone node without inte
       step: 'oauth-login',
       payload: {
         loginVerificationRequestedAt: null,
-        skipLoginVerificationStep: true,
         addPhonePage: true,
+        phoneVerificationPage: false,
         directOAuthConsentPage: false,
       },
     },
   ]);
+  assert.ok(
+    !Object.prototype.hasOwnProperty.call(events.completions[0].payload, 'skipLoginVerificationStep'),
+    'add-phone handoff must keep the login-code node active so step 9 phone verification can run next'
+  );
   assert.ok(
     !events.logs.some(({ message }) => /准备重试/.test(message)),
     'add-phone failure should not be logged as an internal retryable attempt'
@@ -291,8 +295,8 @@ test('step 7 no longer runs shared phone verification inside oauth-login', async
       step: 'oauth-login',
       payload: {
         loginVerificationRequestedAt: null,
-        skipLoginVerificationStep: true,
         addPhonePage: true,
+        phoneVerificationPage: false,
         directOAuthConsentPage: false,
       },
     },