feat: 支持音色切换

backend/app/schemas/chat.py

@@ -33,3 +33,20 @@ class VendorModelList(BaseModel):
 
 class VendorModelResponse(BaseModel):
     data: List[VendorModelList]
+
+
+# Speaker相关模型
+class Speaker(BaseModel):
+    speaker_id: str
+    speaker_name: str
+    language: str
+    platforms: List[str]
+
+
+class CategorySpeakers(BaseModel):
+    category: str
+    speakers: List[Speaker]
+
+
+class SpeakerResponse(BaseModel):
+    data: List[CategorySpeakers]