feat(cursor): wire executor through portal, admin, and wechat routes

Register cursor in LLM executor bindings, route page/code tasks through
cursor runtime selection, and bootstrap wechat cursor policy services.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/portal-integration-services-bootstrap.mjs

@@ -34,6 +34,8 @@ export async function bootstrapPortalIntegrationServices({
   sessionSnapshotService = null,
   wechatScheduleLlmConfigService,
   wechatIntentRouter = null,
+  wechatCursorExecutorPolicyService = null,
+  agentRunGateway = null,
   llmProviderService,
   chatIntentRouter,
   systemDisclosurePolicyService,
@@ -119,6 +121,8 @@ export async function bootstrapPortalIntegrationServices({
           ? mindSpacePublicFinish
           : null,
       pageDataDeliveryReviewer,
+      wechatCursorExecutorPolicyService,
+      agentRunGateway,
       apiFetch: tkmindProxy.apiFetch,
       startAgentSession: ({
         userId,