Summary

• Add authenticated Transaction CRUD APIs.
• Automatically update wallet balances when transactions are created, updated, or deleted.
• Use serializable Prisma transactions with retry handling for balance consistency.
• Add transaction search, filtering, sorting, and pagination.
• Validate wallet ownership, archived resources, positive decimal amounts, and category type compatibility.
• Add authenticated receipt upload, download, replacement, and deletion.
• Support JPEG, PNG, WebP, and PDF receipts with file signature and size validation.
• Add the Transaction API definitions to Swagger.
• Add a database migration for transaction decimal amounts, receipt metadata, location, and query indexes.
• Add receipt storage configuration and update project documentation.