Upload chat.py

routers/chat.py

@@ -0,0 +1,32 @@
+"""
+Chat Router - Thin layer only
+"""
+
+from fastapi import APIRouter, Request
+from services.chat_service import ChatService
+from services.polar_service import PolarService
+
+router = APIRouter()
+
+@app.post("/")
+async def chat(payload: dict, request: Request):
+    user_id = payload.get("user_id")
+    user_msg = payload.get("message", "").strip()
+    model_id = payload.get("model_id") or "neurones-pro-1.0"
+    ip = request.client.host if request.client else "127.0.0.1"
+
+    user_email = ""
+    try:
+        from firebase_admin import auth as fb_auth
+        fb_user = fb_auth.get_user(user_id)
+        user_email = fb_user.email or ""
+    except:
+        pass
+
+    polar_premium = await PolarService.verify_subscription(email=user_email, firebase_uid=user_id)
+    
+    if is_rate_limited(user_id, is_premium=polar_premium):
+        return {"response": "⏳ Rate limit reached."}
+
+    result = await ChatService.process_message(user_id, user_msg, model_id)
+    return result