fix: guard WeChat Page Data delivery with Aider review

server/portal-integration-services-bootstrap.test.mjs

@@ -240,6 +240,10 @@ test('preserves WeChat service configuration and proxy callbacks', async () => {
     wechatOptions.pageDataFinishGuard,
     setup.options.mindSpacePublicFinish,
   );
+  assert.equal(
+    wechatOptions.pageDataDeliveryReviewer,
+    null,
+  );
   assert.equal(
     wechatOptions.htmlDeliveryAuthority,
     setup.options.mindSpacePublicFinish,
@@ -294,6 +298,35 @@ test('preserves WeChat service configuration and proxy callbacks', async () => {
   );
 });
 
+test('wires the isolated WeChat Page Data reviewer only when its channel flag is enabled', async () => {
+  const toolGateway = { id: 'wechat-review-tool-gateway' };
+  const reviewer = { reviewIfNeeded() {} };
+  let gatewayOptions;
+  let reviewerOptions;
+  const setup = createSetup({
+    wechatMpConfig: {
+      enabled: true,
+      pageDataAiderReviewEnabled: true,
+    },
+    createToolGatewayFn(options) {
+      gatewayOptions = options;
+      return toolGateway;
+    },
+    createPageDataDeliveryCodeReviewServiceFn(options) {
+      reviewerOptions = options;
+      return reviewer;
+    },
+  });
+
+  await bootstrapPortalIntegrationServices(setup.options);
+  const { wechatOptions } = setup.getCaptured();
+
+  assert.equal(gatewayOptions.llmProviderService, setup.options.llmProviderService);
+  assert.equal(reviewerOptions.toolGateway, toolGateway);
+  assert.equal(reviewerOptions.userAuth, setup.options.userAuth);
+  assert.equal(wechatOptions.pageDataDeliveryReviewer, reviewer);
+});
+
 test('preserves snapshot refresh through the resolved session target', async () => {
   const setup = createSetup();
   await bootstrapPortalIntegrationServices(