Update app.py

app.py

@@ -12,7 +12,7 @@ from langchain_core.output_parsers import StrOutputParser
 from langchain_community.chat_message_histories import ChatMessageHistory
 
 # 1. Configuration - Use OpenRouter API Key
-os.environ["OPENROUTER_API_KEY"] = "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" # <-- Uncommented and replace with your actual API key
+os.environ["OPENROUTER_API_KEY"] = "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" # <-- Uncommented and replace with your actual API key
 
 # 2. Define the Persona Template
 SYSTEM_PROMPT = """You are an AI mental health and well-being companion named MindMate.
@@ -35,7 +35,7 @@ Rules:
 llm = ChatOpenAI(
     api_key=os.environ.get("OPENROUTER_API_KEY"),
     base_url="https://openrouter.ai/api/v1", # <-- Point to OpenRouter instead of OpenAI
-    model="google/gemma-4-31b-it:free",        # <-- Swap this with ANY model ID from OpenRouter
+    model="deepseek/deepseek-v4-flash",        # <-- Swap this with ANY model ID from OpenRouter
     temperature=0.5,
     default_headers={
         "HTTP-Referer": "http://localhost:7860", # Optional: Used by OpenRouter for app rankings