feat: 添加步骤 5 提交状态验证和重试页面恢复逻辑，更新相关测试用例

tests/background-step5-post-completion-validation.test.js

@@ -0,0 +1,140 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+
+const source = fs.readFileSync('background.js', 'utf8');
+
+function extractFunction(name) {
+  const markers = [`async function ${name}(`, `function ${name}(`];
+  const start = markers
+    .map((marker) => source.indexOf(marker))
+    .find((index) => index >= 0);
+  if (start < 0) {
+    throw new Error(`missing function ${name}`);
+  }
+
+  let parenDepth = 0;
+  let signatureEnded = false;
+  let braceStart = -1;
+  for (let i = start; i < source.length; i += 1) {
+    const ch = source[i];
+    if (ch === '(') {
+      parenDepth += 1;
+    } else if (ch === ')') {
+      parenDepth -= 1;
+      if (parenDepth === 0) {
+        signatureEnded = true;
+      }
+    } else if (ch === '{' && signatureEnded) {
+      braceStart = i;
+      break;
+    }
+  }
+
+  if (braceStart < 0) {
+    throw new Error(`missing body for function ${name}`);
+  }
+
+  let depth = 0;
+  let end = braceStart;
+  for (; end < source.length; end += 1) {
+    const ch = source[end];
+    if (ch === '{') depth += 1;
+    if (ch === '}') {
+      depth -= 1;
+      if (depth === 0) {
+        end += 1;
+        break;
+      }
+    }
+  }
+
+  return source.slice(start, end);
+}
+
+test('step 5 post-completion validation recovers about-you retry page before allowing success', async () => {
+  const api = new Function(`
+const logs = [];
+const messages = [];
+let stateReadCount = 0;
+
+const chrome = {
+  tabs: {
+    async get() {
+      return { url: 'https://auth.openai.com/about-you' };
+    },
+  },
+};
+
+async function sendToContentScriptResilient(source, message) {
+  messages.push({ source, type: message.type });
+  if (message.type === 'GET_STEP5_SUBMIT_STATE') {
+    stateReadCount += 1;
+    if (stateReadCount === 1) {
+      return {
+        retryPage: true,
+        retryEnabled: true,
+        maxCheckAttemptsBlocked: false,
+        userAlreadyExistsBlocked: false,
+        successState: '',
+        profileVisible: false,
+        errorText: '',
+        unknownAuthPage: false,
+        url: 'https://auth.openai.com/about-you',
+      };
+    }
+    return {
+      retryPage: false,
+      retryEnabled: false,
+      maxCheckAttemptsBlocked: false,
+      userAlreadyExistsBlocked: false,
+      successState: 'logged_in_home',
+      profileVisible: false,
+      errorText: '',
+      unknownAuthPage: false,
+      url: 'https://chatgpt.com/',
+    };
+  }
+  if (message.type === 'RECOVER_STEP5_SUBMIT_RETRY_PAGE') {
+    return { recovered: true, clickCount: 1 };
+  }
+  throw new Error('unexpected message type: ' + message.type);
+}
+
+async function addLog(message, level, meta) {
+  logs.push({ message, level, meta });
+}
+
+async function waitForTabStableComplete() {}
+
+${extractFunction('parseUrlSafely')}
+${extractFunction('isSignupEntryHost')}
+${extractFunction('isLikelyLoggedInChatgptHomeUrl')}
+${extractFunction('getStep5SubmitStateFromContent')}
+${extractFunction('recoverStep5SubmitRetryPageOnTab')}
+${extractFunction('validateStep5PostCompletion')}
+
+return {
+  async run() {
+    return validateStep5PostCompletion(99, {});
+  },
+  snapshot() {
+    return { logs, messages, stateReadCount };
+  },
+};
+`)();
+
+  const result = await api.run();
+  const snapshot = api.snapshot();
+
+  assert.equal(result.successState, 'logged_in_home');
+  assert.deepStrictEqual(
+    snapshot.messages.map(({ type }) => type),
+    ['GET_STEP5_SUBMIT_STATE', 'RECOVER_STEP5_SUBMIT_RETRY_PAGE', 'GET_STEP5_SUBMIT_STATE']
+  );
+  assert.equal(snapshot.stateReadCount, 2);
+  assert.equal(
+    snapshot.logs.some(({ message }) => /检测到认证重试页/.test(message)),
+    true
+  );
+});