fix(db): Correct database path and chat history logic

backend/database.py

@@ -5,7 +5,7 @@ from datetime import datetime
 from typing import List, Dict, Optional, Tuple
 
 class ChatDatabase:
-    def __init__(self, db_path: str = "chat_history.db"):
+    def __init__(self, db_path: str = "backend/chat_data.db"):
         self.db_path = db_path
         self.init_database()
     

backend/server.py

@@ -289,15 +289,15 @@ class ChatHandler(http.server.BaseHTTPRequestHandler):
                 self.send_json_response({"error": "Message is required"}, status_code=400)
                 return
 
-            # Add user message to database first
-            user_message_id = db.add_message(session_id, message, "user")
-            
             if session['message_count'] == 0:
                 title = generate_session_title(message)
                 db.update_session_title(session_id, title)
+
+            # Add user message to database first
+            user_message_id = db.add_message(session_id, message, "user")
             
             # 🎯 SMART ROUTING: Decide between direct LLM vs RAG
-                idx_ids = db.get_indexes_for_session(session_id)
+            idx_ids = db.get_indexes_for_session(session_id)
             force_rag = bool(data.get("force_rag", False))
             use_rag = True if force_rag else self._should_use_rag(message, idx_ids)
             

rag_system/api_server.py

@@ -17,7 +17,7 @@ from rag_system.main import get_agent
 from rag_system.factory import get_indexing_pipeline
 
 # Initialize database connection once at module level
-db = ChatDatabase("backend/chat_history.db")
+db = ChatDatabase("backend/chat_data.db")
 
 # Get the desired agent mode from environment variables, defaulting to 'default'
 # This allows us to easily switch between 'default', 'fast', 'react', etc.