request-headers 3

DSH 的第三方模型补齐思考等级：在官方 Models 页每个模型行注入 Thinking 开关和强度/模态编辑器，在输入框模型菜单加供应商→模型选择器、视觉徽章与等级行，并带搜索、拖拽排序、供应商启用开关；以及按路由接管请求头与 user-agent。

Per-provider request headers in the DeepSeek Harness Models settings page, with per-conversation ${sessionId} expansion.

Per-model custom request headers for DeepSeek Harness: define named header profiles in Settings → Plugins → Plugin configuration, pick one per model in the provider's model catalog, and every call to that model carries those headers.