chore: initial commit of ai site platform

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

gateway/docker-compose.yml

@@ -0,0 +1,28 @@
+# APISIX 声明式网关（Docker 启动后使用）
+# 前置：启动 Docker Desktop，并保证宿主机 platform:8888 / ai:8001 已运行
+
+services:
+  etcd:
+    image: bitnami/etcd:3.5
+    environment:
+      ALLOW_NONE_AUTHENTICATION: "yes"
+      ETCD_ADVERTISE_CLIENT_URLS: http://etcd:2379
+      ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
+    volumes:
+      - etcd_data:/bitnami/etcd
+
+  apisix:
+    image: apache/apisix:3.11.0-debian
+    depends_on:
+      - etcd
+    ports:
+      - "9080:9080"   # HTTP 入口
+      - "9180:9180"   # Admin API
+    volumes:
+      - ./apisix/config.yaml:/usr/local/apisix/conf/config.yaml:ro
+      - ./apisix/apisix.yaml:/usr/local/apisix/conf/apisix.yaml:ro
+    environment:
+      TZ: Asia/Shanghai
+
+volumes:
+  etcd_data: