fix: đã sửa lỗi AI gửi prompt

app/api/v1/ai_proxy.py

@@ -0,0 +1,40 @@
+import httpx
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from typing import Optional, Any, Dict, List
+
+router = APIRouter()
+
+class ProxyRequest(BaseModel):
+    url: str
+    headers: Dict[str, str] = {}
+    body: Dict[str, Any] = {}
+
+import json
+
+@router.post("/proxy")
+async def proxy_llm(req: ProxyRequest):
+    try:
+        async with httpx.AsyncClient(timeout=60.0) as client:
+            resp = await client.post(
+                req.url,
+                headers={k: v for k, v in req.headers.items() if k.lower() not in ('host', 'origin', 'referer')},
+                json=req.body
+            )
+            raw = resp.text
+            try:
+                return resp.json()
+            except json.JSONDecodeError:
+                try:
+                    return json.loads(raw[:raw.find('\n')])
+                except (json.JSONDecodeError, ValueError):
+                    return {"content": raw}
+    except httpx.TimeoutException:
+        raise HTTPException(status_code=504, detail="AI provider timeout")
+    except httpx.ConnectError as e:
+        msg = f"Cannot connect to AI provider: {e}"
+        if 'localhost' in req.url or '127.0.0.1' in req.url:
+            msg += "\nNếu app chạy trong Docker, localhost trỏ vào container, không ra host.\nHãy thay localhost bằng host.docker.internal hoặc IP bridge Docker (172.17.0.1)."
+        raise HTTPException(status_code=502, detail=msg)
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))