one-line, friendly, human-sounding responses

app.py

@@ -36,11 +36,10 @@ def speech_to_text(audio_path: str) -> str:
 # ---- LLM (Ollama) ----
 # ollama = OllamaClient(host="http://127.0.0.1:11434")
 
-SYSTEM_PROMPT = """You are a friendly and engaging AI voice assistant.
-Respond naturally in a warm, human-like tone.
-Keep replies short (1–2 sentences) and conversational.
-Format:
-Reply: <your friendly response to keep the conversation going>"""
+SYSTEM_PROMPT = """You are a friendly AI voice assistant.
+Reply in one short, natural sentence only.
+Sound warm and conversational, never formal.
+Avoid multi-sentence or paragraph answers."""
 
 def chat_with_llm(history_messages, user_text):
     if USE_REMOTE_OLLAMA:
@@ -54,7 +53,7 @@ def chat_with_llm(history_messages, user_text):
     else:
         # Only system + current user
         prompt = f"{SYSTEM_PROMPT}\nUser: {user_text}\nAssistant:"
-        out = gen(prompt, return_full_text=False, max_new_tokens=80, temperature=0.7, repetition_penalty=1.1)[0]["generated_text"].strip()
+        out = gen(prompt, return_full_text=False, max_new_tokens=25, temperature=0.8, repetition_penalty=1.1,)[0]["generated_text"].split("\n")[0].strip()
         return out