Add python script for applying migrations

run_migration.py

@@ -0,0 +1,55 @@
+"""
+Database migration runner
+Execute SQL migration files using the Flask app's database connection
+"""
+import os
+import sys
+
+# Add parent directory to path to import app
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+from extensions import db as database
+
+def run_migration(migration_file):
+    """Execute a SQL migration file"""
+    try:
+        # Read migration file
+        migration_path = os.path.join('migrations', migration_file)
+        if not os.path.exists(migration_path):
+            print(f"ERROR: Migration file not found: {migration_path}")
+            sys.exit(1)
+        
+        with open(migration_path, 'r') as f:
+            sql = f.read()
+        
+        # Execute migration using the database connection
+        conn = database.pool.getconn()
+        cursor = conn.cursor()
+        
+        try:
+            cursor.execute(sql)
+            conn.commit()
+            print(f"✓ Successfully executed migration: {migration_file}")
+        except Exception as e:
+            conn.rollback()
+            print(f"ERROR executing migration: {e}")
+            sys.exit(1)
+        finally:
+            cursor.close()
+            database.pool.putconn(conn)
+        
+    except Exception as e:
+        print(f"ERROR: {e}")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    if len(sys.argv) < 2:
+        print("Usage: python run_migration.py <migration_file>")
+        print("Example: python run_migration.py 003_create_login_history.sql")
+        sys.exit(1)
+    
+    # Initialize the app to set up database connection
+    from app import app
+    with app.app_context():
+        migration_file = sys.argv[1]
+        run_migration(migration_file)