fix: stop GPC flow on no-trial logs

flows/openai/background/steps/fill-plus-checkout.js

@@ -289,6 +289,18 @@
       return summary ? ` 最近日志：${summary}` : '';
     }
 
+    function hasGpcNoTrialFailure(pageState = {}) {
+      if (pageState.noTrial) {
+        return true;
+      }
+      const text = normalizeText([
+        pageState.lastLogLine,
+        pageState.logText,
+        pageState.bodyText,
+      ].filter(Boolean).join(' '));
+      return /(?:该|此|当前)?账[户号].{0,12}(?:没有|无|不具备).{0,8}试用资格|(?:没有|无|不具备).{0,8}试用资格/.test(text);
+    }
+
     async function ensureGpcCardMode(tabId) {
       if (!chrome?.scripting?.executeScript) {
         throw new Error('步骤 7：当前运行环境不支持脚本注入，无法切换 GPC 卡密充值模式。');
@@ -485,6 +497,7 @@
       while (Date.now() <= deadline) {
         throwIfStopped();
         const pageState = await inspectGpcPortalPage(tabId);
+        pageState.noTrial = hasGpcNoTrialFailure(pageState);
         const buttonText = normalizeText(pageState.startButtonText);
         await collectStatusLog(pageState, buttonText);
 

tests/plus-checkout-billing-tab-resolution.test.js

@@ -1119,6 +1119,31 @@ test('GPC billing fails current round without restart when account has no trial
   assert.equal(events.completed.length, 0);
 });
 
+test('GPC billing treats no-trial log text as terminal even when page flag is missing', async () => {
+  const { events, executor, pageHarness } = createGpcPageExecutorHarness([
+    { startButtonText: '开始 Plus 充值', logText: 'SYSTEM 页面已就绪' },
+    { startButtonText: '任务进行中', logText: '处理中' },
+    {
+      startButtonText: '开始 Plus 充值',
+      logText: '[02:30:00] ACTION 任务开始执行... [02:30:18] ERROR 该账号没有试用资格',
+      noTrial: false,
+    },
+  ]);
+
+  await assert.rejects(
+    () => executor.executePlusCheckoutBilling({
+      plusPaymentMethod: 'gpc-helper',
+      plusCheckoutSource: 'gpc-helper',
+      plusCheckoutTabId: 77,
+    }),
+    /PLUS_CHECKOUT_NON_FREE_TRIAL::.*该账户没有试用资格.*最近日志：\[02:30:18\] ERROR 该账号没有试用资格/
+  );
+
+  assert.equal(pageHarness.clicks.length, 1);
+  assert.equal(events.logs.some((entry) => /准备再次启动/.test(entry.message)), false);
+  assert.equal(events.completed.length, 0);
+});
+
 test('GPC billing times out when page never finishes', async () => {
   const { executor, pageHarness } = createGpcPageExecutorHarness([
     { startButtonText: '任务进行中', logText: '处理中' },