fix: Docker 构建改用 npm 替代 pnpm + 补全 OAuth/Redis 环境变量

- Dockerfile 全部改为 npm install + 全局 tsc，解决 pnpm 符号链接问题
- docker-compose 添加 Redis 服务、OAuth 环境变量透传、web 端口改为可配置
- MCP URL 改用 window.location.origin 适配反向代理
- tsconfig 添加 paths 映射解决 Docker 内模块引用

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

packages/web/src/pages/tabs/McpIntegration.tsx

@@ -10,8 +10,7 @@ export default function McpIntegration({ project }: { project: Project }) {
   const [copied, setCopied] = useState<string | null>(null);
   const { onOpenSettings } = useLayoutContext();
   const { t } = useI18n();
-  const mcpHost = window.location.hostname;
-  const mcpUrl = `http://${mcpHost}:3001/mcp/${project.id}`;
+  const mcpUrl = `${window.location.origin}/mcp/${project.id}`;
 
   const { data: keyStatus } = useQuery({
     queryKey: ['api-key-status'],