feat: 修复停止逻辑

tests/background-tab-runtime-module.test.js

@@ -47,6 +47,7 @@ test('tab runtime waitForTabComplete waits until tab status becomes complete', a
     registerTab: async () => {},
     setState: async () => {},
     shouldBypassStep9ForLocalCpa: () => false,
+    throwIfStopped: () => {},
   });
 
   const result = await runtime.waitForTabComplete(9, {
@@ -57,3 +58,43 @@ test('tab runtime waitForTabComplete waits until tab status becomes complete', a
   assert.equal(result?.status, 'complete');
   assert.equal(getCalls, 3);
 });
+
+test('tab runtime waitForTabComplete aborts promptly when stop is requested', async () => {
+  const source = fs.readFileSync('background/tab-runtime.js', 'utf8');
+  const globalScope = {};
+  const api = new Function('self', `${source}; return self.MultiPageBackgroundTabRuntime;`)(globalScope);
+
+  let throwCalls = 0;
+  const runtime = api.createTabRuntime({
+    LOG_PREFIX: '[test]',
+    addLog: async () => {},
+    chrome: {
+      tabs: {
+        get: async () => ({
+          id: 9,
+          url: 'https://example.com',
+          status: 'loading',
+        }),
+        query: async () => [],
+      },
+    },
+    getSourceLabel: (sourceName) => sourceName || 'unknown',
+    getState: async () => ({ tabRegistry: {}, sourceLastUrls: {} }),
+    matchesSourceUrlFamily: () => false,
+    setState: async () => {},
+    throwIfStopped: () => {
+      throwCalls += 1;
+      if (throwCalls >= 2) {
+        throw new Error('Flow stopped.');
+      }
+    },
+  });
+
+  await assert.rejects(
+    runtime.waitForTabComplete(9, {
+      timeoutMs: 2000,
+      retryDelayMs: 1,
+    }),
+    /Flow stopped\./
+  );
+});