fix(web-client-tpos): fix all build errors — add CRUD methods, fix type bindings
- Added missing CRUD methods: DeleteRecipeItem, SaveRecipe, AddTable, SaveTable,
EditTable, DeleteTableItem, AddAppointment, AddResource, SaveResource,
DeleteResourceItem, DeleteScheduleItem, MarkTicketDone, LoadKitchenTickets
- Fixed CS1654: recipe ingredient foreach mutation → index-based for loop
- Fixed CS1503: schedule time input type=time → type=text (Blazor binding)
- Fixed CS1061: Guid.HasValue/Value → direct Guid in BFF kitchen/recipes
b8b8bf1336