fix(frontend): route agent checks to gateway (#1572)

* fix(frontend): route agent checks to gateway

* fix(frontend): proxy langgraph requests locally

* fix(frontend): keep zh-CN text readable

* fix(frontend): add exact local api rewrites

* fix(frontend): support docker-safe internal rewrites

* Update frontend/src/core/agents/api.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

docker/docker-compose-dev.yaml

@@ -100,6 +100,8 @@ services:
       - NODE_ENV=development
       - WATCHPACK_POLLING=true
       - CI=true
+      - DEER_FLOW_INTERNAL_GATEWAY_BASE_URL=http://gateway:8001
+      - DEER_FLOW_INTERNAL_LANGGRAPH_BASE_URL=http://langgraph:2024
     env_file:
       - ../frontend/.env
     networks: