feat: ✨ feature flags

db.py

@@ -350,6 +350,32 @@ def init_db(app=None):
     if not cursor.fetchone():
         cursor.execute('ALTER TABLE Subnet ADD COLUMN vlan_notes TEXT DEFAULT NULL')
     
+    # Create FeatureFlags table
+    cursor.execute('''
+    CREATE TABLE IF NOT EXISTS FeatureFlags (
+        id INTEGER PRIMARY KEY AUTO_INCREMENT,
+        feature_key VARCHAR(255) NOT NULL UNIQUE,
+        enabled BOOLEAN DEFAULT TRUE,
+        description TEXT,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
+    )
+    ''')
+    
+    # Initialize default feature flags
+    default_features = [
+        ('racks', True, 'Enable rack management functionality'),
+        ('ip_address_notes', True, 'Enable IP address notes/descriptions editing on subnet page'),
+        ('device_tags', True, 'Enable device tagging functionality'),
+        ('bulk_operations', True, 'Enable bulk operations for devices and IPs')
+    ]
+    
+    for feature_key, enabled, description in default_features:
+        cursor.execute('SELECT id FROM FeatureFlags WHERE feature_key = %s', (feature_key,))
+        if not cursor.fetchone():
+            cursor.execute('INSERT INTO FeatureFlags (feature_key, enabled, description) VALUES (%s, %s, %s)',
+                          (feature_key, enabled, description))
+    
     # Define all permissions with categories
     permissions = [
         # View permissions