feat(auth): 完成租户用户角色资源核心模块

backend/.env.example

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+# ===== 服务器配置
+SERVER_PORT=8080
+SERVER_MODE=debug
+SERVER_READ_TIMEOUT=30
+SERVER_WRITE_TIMEOUT=30
+
+# ===== 数据库配置（MySQL）
+DB_DRIVER=mysql
+DB_HOST=124.221.239.98
+DB_PORT=3306
+DB_USER=root
+DB_PASSWORD=machine03
+DB_NAME=openclaw
+DB_SSL_MODE=TRUE
+
+# ===== Redis 配置
+REDIS_HOST=localhost
+REDIS_PORT=6379
+REDIS_PASSWORD=
+REDIS_DB=0
+
+# ===== JWT 配置
+JWT_SECRET=change-this-to-a-secure-random-string
+JWT_EXPIRATION=86400
+
+# ===== AI Provider 配置
+AI_PROVIDER=openai
+AI_API_KEY=your-api-key-here
+AI_MODEL=gpt-3.5-turbo
+AI_BASE_URL=https://api.openai.com/v1
+AI_MAX_TOKENS=1000
+AI_TEMPERATURE=0.7
+
+# ===== WebSocket 配置
+WS_PORT=8081
+WS_PATH=/ws