- Adjusted YAML and JSON files for consistent formatting, including healthcheck commands and package exports.
- Enhanced readability in various TypeScript files by standardizing string quotes and improving line breaks.
- Updated documentation across multiple files to improve clarity and consistency, including address system and logging levels.
- Removed unnecessary package-lock.json from shared package directory to streamline dependencies.
- Introduced `validateSignup` endpoint in AuthController for customer number validation during signup.
- Added `healthCheck` method in AuthService to verify service integrations and database connectivity.
- Implemented `getPaymentMethods`, `getPaymentGateways`, and `refreshPaymentMethods` endpoints in InvoicesController for managing user payment options.
- Enhanced InvoicesService with methods to invalidate payment methods cache and improved error handling.
- Updated currency handling across various services and components to reflect JPY as the default currency.
- Added new dependencies in package.json for ESLint configuration.
