feat(a4f): add provider-3/deepseek-v3

Author: WuMingDao

apps/api/src/channels/a4f/config.ts

@@ -7,6 +7,7 @@ export const a4fConfig: ChannelConfig = {
     image: '/images/generations',
     llm: '/chat/completions',
   },
+  llmModels: [{ id: 'provider-3/deepseek-v3', name: 'DeepSeek V3 (provider-3)' }],
   imageModels: [
     { id: 'provider-4/imagen-3.5', name: 'Imagen 3.5 (provider-4)' },
     { id: 'provider-4/imagen-4', name: 'Imagen 4 (provider-4)' },

docs/en/API.md

@@ -139,6 +139,10 @@ Provider routing uses the `model` prefix:
 - `hf/<model>` -> HuggingFace (token optional; supports `Bearer hf:<token>` or no token)
 - `deepseek/<model>` -> DeepSeek Official (requires `Bearer deepseek:<token>`)
 
+Example (A4F DeepSeek):
+
+- `model: "a4f/provider-3/deepseek-v3"`
+
 Request:
 
 ```json

docs/en/PROVIDERS.md

@@ -40,6 +40,10 @@ Example `model` values for `/v1/images/generations`:
 - `a4f/provider-4/imagen-3.5`
 - `a4f/provider-8/z-image`
 
+Chat (LLM) model example:
+
+- `a4f/provider-3/deepseek-v3`
+
 ---
 
 ## Gitee AI

docs/zh/API.md

@@ -139,6 +139,10 @@ Provider 路由由 `model` 前缀决定：
 - `hf/<model>` -> HuggingFace（token 可选；支持 `Bearer hf:<token>` 或不传）
 - `deepseek/<model>` -> DeepSeek 官方（需要 `Bearer deepseek:<token>`）
 
+示例（A4F DeepSeek）：
+
+- `model: "a4f/provider-3/deepseek-v3"`
+
 请求：
 
 ```json

docs/zh/PROVIDERS.md

@@ -40,6 +40,10 @@ OpenAI 兼容的网关服务商。模型 ID 必须带 provider 前缀（例如 `
 - `a4f/provider-4/imagen-3.5`
 - `a4f/provider-8/z-image`
 
+Chat（LLM）模型示例：
+
+- `a4f/provider-3/deepseek-v3`
+
 ---
 
 ## Gitee AI