refactor: archive 12 dead gRPC RPCs with [ARCHIVED] markers

Archived RPCs (code preserved, marked obsolete):
- fms.proto: excluded from csproj (CreateNewFileInfo, DeleteFileInfo)
- UserOrderService: GetOrdersByDateRange, CreateNewOrderForCustomer, SubmitOrderForCustomer
- ConfigurationService: DeactivateConfiguration, GetConfigurationHistory
- CityService: UpdateCity, DeleteCity
- HealthService: GetServiceHealth
- CategoryService: GetCategoryByIdForCustomer
- inventory.proto: BulkAdjustStock (no implementation existed)

All archived RPCs wrapped in #region [ARCHIVED] with [Obsolete] attributes.
No code deleted — archive only. Build passes with 0 errors.

src/CMSMicroservice.WebApi/Services/UserOrderService.cs

@@ -497,7 +497,9 @@ public class UserOrderService : UserOrderContract.UserOrderContractBase
         };
     }
     
+    #region [ARCHIVED] GetOrdersByDateRange — تکراری: GetAllUserOrderByFilter همین قابلیت + فیلترهای بیشتر دارد
     [RequiresPermission(PermissionNames.ReportsView)]
+    [Obsolete("ARCHIVED: Use GetAllUserOrderByFilter instead — has date range + more filters")]
     public override async Task<GetOrdersByDateRangeResponse> GetOrdersByDateRange(GetOrdersByDateRangeRequest request, ServerCallContext context)
     {
         var pageNumber = request.PageNumber > 0 ? request.PageNumber : 1;
@@ -551,6 +553,7 @@ public class UserOrderService : UserOrderContract.UserOrderContractBase
             Orders = { orders }
         };
     }
+    #endregion
     
     [RequiresPermission(PermissionNames.OrdersUpdate)]
     public override async Task<ApplyDiscountToOrderResponse> ApplyDiscountToOrder(ApplyDiscountToOrderRequest request, ServerCallContext context)
@@ -624,17 +627,21 @@ public class UserOrderService : UserOrderContract.UserOrderContractBase
     
     // ============= Customer-specific Methods =============
     
+    #region [ARCHIVED] CreateNewOrderForCustomer & SubmitOrderForCustomer — Stub خالی: مسیر سفارش مشتری از SubmitShopBuyOrder می‌گذرد
+    [Obsolete("ARCHIVED: Empty stub — customer order flow uses SubmitShopBuyOrder")]
     public override async Task<CreateNewUserOrderResponse> CreateNewOrderForCustomer(CreateNewUserOrderRequest request, ServerCallContext context)
     {
-        // For now, return empty response - will be implemented properly later
+        // [ARCHIVED] Empty stub — مسیر سفارش مشتری از SubmitShopBuyOrder می‌گذرد
         return new CreateNewUserOrderResponse();
     }
     
+    [Obsolete("ARCHIVED: Empty stub — customer order flow uses SubmitShopBuyOrder")]
     public override async Task<SubmitShopBuyOrderResponse> SubmitOrderForCustomer(SubmitShopBuyOrderRequest request, ServerCallContext context)
     {
-        // For now, return empty response - will be implemented properly later
+        // [ARCHIVED] Empty stub — مسیر سفارش مشتری از SubmitShopBuyOrder می‌گذرد
         return new SubmitShopBuyOrderResponse();
     }
+    #endregion
     
     public override async Task<GetAllUserOrderByFilterResponse> GetCustomerOrders(GetAllUserOrderByFilterRequest request, ServerCallContext context)
     {