Fix get_user_by_username missing password_hash

db/database.py

@@ -187,7 +187,7 @@ def get_user_by_username(username: str) -> dict | None:
     conn = get_connection()
     cursor = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
     cursor.execute(
-        "SELECT id, email, username, created_at FROM users WHERE LOWER(username) = LOWER(%s)",
+        "SELECT * FROM users WHERE LOWER(username) = LOWER(%s)",
         (username,),
     )
     row = cursor.fetchone()