Add end-to-end tests for parent item management

- Implement tests for creating, editing, and deleting chores, kindness acts, and penalties.
- Add tests to verify conversion of default items to user items and restoration of system defaults upon deletion.
- Ensure proper cancellation of creation and editing actions.
- Create a comprehensive plan document outlining the test scenarios and expected behaviors.

backend/api/auth_api.py

@@ -30,6 +30,7 @@ from db.db import (
     pending_reward_db, pending_confirmations_db, tracking_events_db,
     child_overrides_db, chore_schedules_db, task_extensions_db,
 )
+from db.default import initializeImages, createDefaultTasks, createDefaultRewards
 from api.utils import normalize_email
 
 logger = logging.getLogger(__name__)
@@ -488,6 +489,11 @@ def e2e_seed():
     task_extensions_db.truncate()
     refresh_tokens_db.truncate()
 
+    # Recreate only baseline defaults for e2e runs.
+    initializeImages()
+    createDefaultTasks()
+    createDefaultRewards()
+
     norm_email = normalize_email(E2E_TEST_EMAIL)
     user = User(
         first_name='E2E',