Updated the chat models to be read dynamically from env file

app/core/chatbot/config.py

@@ -2,11 +2,8 @@
 Configuration module for environment variables and database settings.
 """
 
-from dotenv import load_dotenv
 import os
 
-load_dotenv()
-
 # Database connection string
 DATABASE_URL = os.getenv("DATABASE_URL") or os.getenv("SUPABASE_DATABASE_URL")
 

app/core/chatbot/llm.py

@@ -8,17 +8,16 @@ import os
 from langchain_groq import ChatGroq
 from langchain_openai import ChatOpenAI
 
-
 # LLM for constructing optimized search querie
 construct_query_llm = ChatOpenAI(
-    model="xiaomi/mimo-v2-flash:free",
+    model=os.getenv("MODEL_OPENROUTER"),
     api_key=os.getenv("OPENROUTER_API_KEY"),
-    base_url="https://openrouter.ai/api/v1",
+    base_url=os.getenv("BASE_URL_OPENROUTER"),
 )
 
 # Main LLM for generating responses
 response_llm = ChatGroq(
-    model="meta-llama/llama-4-scout-17b-16e-instruct",
+    model=os.getenv("MODEL_GROQ"),
     temperature=0,
     max_tokens=None,
     timeout=None,

main.py

@@ -1,3 +1,7 @@
+from dotenv import load_dotenv
+
+load_dotenv()
+
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 import uvicorn
@@ -21,4 +25,3 @@ app.include_router(chat, tags=["chat api"])
 
 if __name__ == "__main__":
     uvicorn.run("main:app", host="0.0.0.0", port=7860, reload=True)
-