feat(flow): stabilize step7-9, expand HeroSMS, and update usage tutorial

tests/auto-run-step6-restart.test.js

@@ -215,18 +215,20 @@ test('auto-run stops restarting on generic phone-page failure messages even with
   assert.ok(!result.events.logs.some(({ message }) => /回到步骤 7 重新开始授权流程/.test(message)));
 });
 
-test('auto-run restarts from step 7 when phone verification cannot receive SMS after resend', async () => {
+test('auto-run does not restart step 7 when phone verification exhausted replacement attempts in add-phone flow', async () => {
   const harness = createHarness({
     failureStep: 9,
     failureBudget: 1,
-    failureMessage: 'Phone verification could not receive an SMS after resend. Restart step 7 with a new number. Current number: 66959916439.',
+    failureMessage: 'Step 9: phone verification did not succeed after 3 number replacements. Last reason: sms_timeout_after_resend.',
     authState: { state: 'add_phone_page', url: 'https://auth.openai.com/add-phone' },
   });
 
-  const events = await harness.run();
+  const result = await harness.runAndCaptureError();
 
-  assert.equal(events.invalidations.length, 1);
-  assert.deepStrictEqual(events.steps, [7, 8, 9, 7, 8, 9, 10]);
+  assert.ok(result?.error);
+  assert.equal(result.events.invalidations.length, 0);
+  assert.deepStrictEqual(result.events.steps, [7, 8, 9]);
+  assert.ok(!result.events.logs.some(({ message }) => /回到步骤 7 重新开始授权流程/.test(message)));
 });
 
 test('auto-run stop errors after step 7 are rethrown immediately instead of restarting', async () => {