Update app.py

app.py

@@ -9,26 +9,24 @@ client = OpenAI(
     api_key=HF_TOKEN,
 )
 
-# Ücretsiz/hafif model (hf-inference)
-MODEL_ID = "TinyLlama/TinyLlama-1.1B-Chat-v1.0:hf-inference"
+MODEL_ID = "HuggingFaceH4/zephyr-7b-beta:hf-inference"
 
-SYSTEM = "Sen MAIND AI'sin. Kısa, net ve yardımcı cevap ver."
+SYSTEM = "Sen MAIND AI'sin. Kısa ve net cevap ver."
 
 def llm_reply(user_text: str) -> str:
-    resp = client.chat.completions.create(
+    response = client.chat.completions.create(
         model=MODEL_ID,
         messages=[
             {"role": "system", "content": SYSTEM},
             {"role": "user", "content": user_text},
         ],
         temperature=0.7,
-        max_tokens=256,
+        max_tokens=300,
     )
-    return resp.choices[0].message.content or ""
+    return response.choices[0].message.content
 
 def chat_fn(message, history):
-    if history is None:
-        history = []
+    history = history or []
     history.append({"role": "user", "content": message})
 
     try:
@@ -40,10 +38,8 @@ def chat_fn(message, history):
     return history
 
 with gr.Blocks(title="MaindAI") as demo:
-    # LOGO (dosya adı repo kökünde: logo.png)
-    gr.Image("logo.png", show_label=False, height=120)
-
-    gr.Markdown("## 💙 MaindAI — Chat")
+    gr.Image("logo.png", height=120, show_label=False)
+    gr.Markdown("## 💙 MaindAI")
 
     chatbot = gr.Chatbot(value=[])
     msg = gr.Textbox(placeholder="Sor...", show_label=False)