Create model_service.py

model_service.py

@@ -0,0 +1,25 @@
+import os
+from groq import Groq
+
+def get_client():
+    api_key = os.environ.get("GROQ_API_KEY")
+    if not api_key:
+        raise RuntimeError(
+            "GROQ_API_KEY is not set. Add it in Hugging Face Spaces → Settings → Secrets."
+        )
+    return Groq(api_key=api_key)
+
+def ask_ai(question: str) -> str:
+    client = get_client()
+
+    messages = [
+        {"role": "system", "content": "You are a helpful AI assistant."},
+        {"role": "user", "content": question}
+    ]
+
+    completion = client.chat.completions.create(
+        model="llama-3.3-70b-versatile",
+        messages=messages
+    )
+
+    return completion.choices[0].message.content