batman (working version kinda)

app/core/extensions.py

@@ -0,0 +1,28 @@
+from flask_sqlalchemy import SQLAlchemy
+from flask_bcrypt import Bcrypt
+from flask_limiter import Limiter
+from flask_limiter.util import get_remote_address
+from flask_login import LoginManager
+from flask_wtf.csrf import CSRFProtect
+
+# Initialize extensions
+db = SQLAlchemy()
+bcrypt = Bcrypt()
+login_manager = LoginManager()
+login_manager.login_view = 'auth.login'
+csrf = CSRFProtect()
+
+# Initialize rate limiter with fallback storage
+try:
+    limiter = Limiter(
+        key_func=get_remote_address,
+        default_limits=["200 per day", "50 per hour"],
+        storage_uri="memory://"  # Use memory storage for development
+    )
+except Exception as e:
+    print(f"Error initializing rate limiter: {e}")
+    # Fallback limiter with very basic functionality
+    limiter = Limiter(
+        key_func=get_remote_address,
+        default_limits=["200 per day", "50 per hour"]
+    )