push updated backend changes and auto start buiding

config.py

@@ -3,14 +3,11 @@ import os
 import sys
 from pathlib import Path
 
-import os
-import sys
-
-BASE_DIR = os.path.dirname(os.path.abspath(__file__))
-if BASE_DIR not in sys.path:
-    sys.path.insert(0, BASE_DIR)
-
+# Ensure BASE_DIR is a Path, not a string
+BASE_DIR = Path(__file__).resolve().parent
 
+if str(BASE_DIR) not in sys.path:
+    sys.path.insert(0, str(BASE_DIR))
 
 try:
     import google.colab  
@@ -18,24 +15,16 @@ try:
 except ImportError:
     IN_COLAB = False
 
-
 if IN_COLAB:
-  
     VECTORSTORE_DIR = Path("/content/drive/MyDrive/bioinformatics_tutor_ai/vectorstore")
 else:
-    
     VECTORSTORE_DIR = BASE_DIR / "vectorstore"
 
-
 EMBEDDING_MODEL = "sentence-transformers/all-MiniLM-L6-v2"
-LLM_MODEL = "BioMistral/BioMistral-7B-DARE"  
-
+LLM_MODEL = "BioMistral/BioMistral-7B-DARE"
 
 CONFIDENCE_THRESHOLD = 0.65 
 
 OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY", None)
 if not OPENAI_API_KEY:
     print(" WARNING: OPENAI_API_KEY not set! AutoGen Tutor Agent will not work without it.")
-
-if str(BASE_DIR) not in sys.path:
-    sys.path.insert(0, str(BASE_DIR))