feat: Implement compatibility strategies for responses and chat endpoints

- Added `routeCompatibility.ts` to handle response compatibility for different endpoints.
- Introduced `chatEndpointStrategy.ts` to manage chat endpoint recovery and downgrading logic.
- Created tests for chat formats and input file handling in `chatFormatsCore.test.ts` and `inputFile.test.ts`.
- Developed `endpointCompatibility.ts` to define compatibility checks and header building for various endpoints.
- Implemented protocol lifecycle management in `protocolLifecycle.ts` and corresponding tests in `protocolModel.test.ts`.
- Enhanced tooltip functionality with a new `TooltipLayer` component and associated tests.
- Refactored existing components to improve tooltip handling and ensure proper rendering in the application.

docs/README.md

@@ -28,6 +28,7 @@ npm run docs:build
 |------|--------|------------|
 | 对外第一印象、产品定位、核心入口 | [文档首页](/) | 需要调整公开落地页信息架构、首页 CTA 或首屏导航时 |
 | 新用户部署与首条请求 | [快速上手](./getting-started.md) | 新安装流程、默认端口、首次调用步骤变化时 |
+| 上游平台选择与接法 | [上游接入](./upstream-integration.md) | 平台支持范围、默认连接分段、自动识别规则变化时 |
 | 生产部署与回滚 | [部署指南](./deployment.md) | Docker Compose、反向代理、升级回滚策略变更时 |
 | 环境变量、参数和配置项 | [配置说明](./configuration.md) | 新增配置、默认值变化、兼容行为变化时 |
 | 客户端与工具接入 | [客户端接入](./client-integration.md) | Open WebUI、Cherry Studio、Cursor 等接入方式变化时 |