feat: 项目初始化、完成基本流式传输和语音识别功能

backend/app/api/v1/endpoints/chat.py

@@ -0,0 +1,26 @@
+from fastapi import APIRouter
+from fastapi.responses import StreamingResponse
+from app.constants.model_data import base_url, headers, tip_message
+from app.services.llm_request import stream_post_request
+from app.schemas import ChatRequest
+
+router = APIRouter()
+
+
+@router.post("/completions")
+async def chat(data: ChatRequest):
+    all_messages = [tip_message] + data.messages
+    all_messages_dict = [
+        m.model_dump() if hasattr(m, "model_dump") else m.dict() if hasattr(m, "dict") else m
+        for m in all_messages
+    ]
+    payload = {"model": data.model, "messages": all_messages_dict, "stream": True}
+    print(payload)
+    return StreamingResponse(
+        stream_post_request(
+            url=base_url,
+            headers=headers,
+            json=payload,
+        ),
+        media_type="text/event-stream"
+    )