- Introduced a new column 'auth_user_id' of type UUID to the 'users' table.
- Updated existing user data to set 'auth_user_id' to null for UserId 1.
- Created a unique index on 'auth_user_id' to enforce uniqueness.
- Implemented rollback functionality to remove the column and index if needed.
- Added CategoryService for managing categories with listing, tree structure, and creation functionalities.
- Introduced ItemService for item management, including listing, detail retrieval, creation, updating, and status management.
- Created UomService for handling unit of measure operations, including listing and creation.
- Developed VendorService for vendor management, supporting listing, detail retrieval, creation, updating, and status management.
- Implemented WarehouseService for warehouse and bin management, including listing warehouses, creating warehouses, and managing bins within warehouses.
- Added interfaces for each service to define the contract for service implementations.
- Generated Entity Framework Core model snapshot for database migrations.