fix(docker): 向 backend 容器注入乐玩 LEWAN_* 环境变量

Docker 启动时未透传 .env 中的乐玩密钥，导致容器内始终提示 AccessKey/SecretKey 未配置。

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

docker-compose.yml

@@ -59,6 +59,12 @@ services:
       - CALLBACK_MAX_ATTEMPTS=${CALLBACK_MAX_ATTEMPTS:-16}
       - CALLBACK_PUSH_TIMEOUT_SECONDS=${CALLBACK_PUSH_TIMEOUT_SECONDS:-15}
       - CALLBACK_RETRY_SCHEDULE=${CALLBACK_RETRY_SCHEDULE:-}
+      - DATA_ENCRYPTION_KEY=${DATA_ENCRYPTION_KEY:-}
+      - LEWAN_BASE_URL=${LEWAN_BASE_URL:-https://shop.cloudtentacles.com}
+      - LEWAN_APPLICATION_ID=${LEWAN_APPLICATION_ID:-}
+      - LEWAN_ACCESS_KEY=${LEWAN_ACCESS_KEY:-}
+      - LEWAN_SECRET_KEY=${LEWAN_SECRET_KEY:-}
+      - LEWAN_WEBHOOK_SECRET=${LEWAN_WEBHOOK_SECRET:-}
     volumes:
       - ./logs:/app/logs
       - ./data:/app/data