feat: add PendingRewardDialog, RewardConfirmDialog, and TaskConfirmDialog components

- Implemented PendingRewardDialog for handling pending reward requests.
- Created RewardConfirmDialog for confirming reward redemption.
- Developed TaskConfirmDialog for task confirmation with child name display.

test: add unit tests for ChildView and ParentView components

- Added comprehensive tests for ChildView including task triggering and SSE event handling.
- Implemented tests for ParentView focusing on override modal and SSE event management.

test: add ScrollingList component tests

- Created tests for ScrollingList to verify item fetching, loading states, and custom item classes.
- Included tests for two-step click interactions and edit button display logic.
- Moved toward hashed passwords.

backend/scripts/hash_passwords.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+"""
+Script to hash existing plain text passwords in the database.
+Run this once after deploying password hashing to migrate existing users.
+"""
+
+import sys
+import os
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+from werkzeug.security import generate_password_hash
+from tinydb import Query
+from db.db import users_db
+from models.user import User
+
+def main():
+    users = users_db.all()
+    updated_count = 0
+
+    for user_dict in users:
+        user = User.from_dict(user_dict)
+        # Check if password is already hashed (starts with scrypt: or $pbkdf2-sha256$)
+        if not (user.password.startswith('scrypt:') or user.password.startswith('$pbkdf2-sha256$')):
+            # Hash the plain text password
+            user.password = generate_password_hash(user.password)
+            # Update in database
+            users_db.update(user.to_dict(), Query().id == user.id)
+            updated_count += 1
+            print(f"Hashed password for user {user.email}")
+        else:
+            print(f"Password already hashed for user {user.email}")
+
+    print(f"Migration complete. Updated {updated_count} users.")
+
+if __name__ == '__main__':
+    from tinydb import Query
+    main()