algo updated 2

config.py

@@ -0,0 +1,26 @@
+"""
+Configuration file for the AI Resume Search application
+"""
+import os
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+
+# OpenAI Configuration
+OPENAI_API_KEY = os.getenv('OPENAI_API_KEY')
+
+# Application Configuration
+DEBUG = os.getenv('DEBUG', 'false').lower() == 'true'
+CACHE_FILE = "embeddings_cache.pkl"
+
+# Validation
+def validate_config():
+    """Validate that required configuration is present"""
+    if not OPENAI_API_KEY:
+        raise ValueError(
+            "OPENAI_API_KEY not found in environment variables. "
+            "Please set it in your .env file or environment variables. "
+            "Get your API key from: https://platform.openai.com/api-keys"
+        )
+    return True