• Use Redis distributed locks when saving or updating the data in the database.

Code & features

• Add logger in the code for easy and fast debugging.

UserService:

• Use Redis distributed locks when saving or updating the data in the database.
• Make it transactional, to handle idempotency and validate email, phoneNumber when saving the user data in the database.

LLMService:

• Improve the message verification logic to identify its a bank message.
• Recommendation based on the user expenses.

Documentation