add FastAPI & mistral call

.gitignore

@@ -0,0 +1 @@
+.env

app.py

@@ -0,0 +1,43 @@
+from fastapi import FastAPI, HTTPException
+from pydantic import BaseModel
+from typing import List
+import os
+from mistralai import Mistral
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+api_key = os.getenv("MISTRAL_API_KEY")
+
+# Initialize FastAPI app
+app = FastAPI()
+
+# Initialize Mistral client
+client = Mistral(api_key=api_key)
+
+class Message(BaseModel):
+    role: str
+    content: str
+
+class ChatRequest(BaseModel):
+    model: str
+    messages: List[Message]
+
+@app.post("/chat/complete")
+async def chat_complete(request: ChatRequest):
+    try:
+        response = client.chat.complete(
+            model=request.model,
+            messages=[{"role": msg.role, "content": msg.content} for msg in request.messages]
+        )
+        return {
+            "content": response.choices[0].message.content,
+            "finish_reason": response.choices[0].finish_reason
+        }
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+    
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8000)