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/CategoryService.cs

@@ -98,8 +98,11 @@ public class CategoryService : CategoryContract.CategoryContractBase
         return response;
     }
 
+    #region [ARCHIVED] GetCategoryByIdForCustomer — تکراری: GetCategory (admin) + GetAllCategoriesForCustomer کافی است
+    [Obsolete("ARCHIVED: Use GetCategory or GetAllCategoriesForCustomer instead")]
     public override async Task<GetCategoryByIdForCustomerResponse> GetCategoryByIdForCustomer(GetCategoryByIdForCustomerRequest request, ServerCallContext context)
     {
+        // [ARCHIVED] duplicate — GetCategory + GetAllCategoriesForCustomer cover this
         var query = new GetCategoryQuery { Id = request.Id };
         var result = await _sender.Send(query, context.CancellationToken);
         
@@ -118,4 +121,5 @@ public class CategoryService : CategoryContract.CategoryContractBase
             }
         };
     }
+    #endregion
 }

src/CMSMicroservice.WebApi/Services/CityService.cs

@@ -177,6 +177,8 @@ public class CityService : CityContract.CityContractBase
         };
     }
 
+    #region [ARCHIVED] UpdateCity & DeleteCity — شهرها seed data هستند، ویرایش/حذف دستی باعث خرابی آدرس‌ها می‌شود
+    [Obsolete("ARCHIVED: Cities are seed data — manual edit/delete breaks user addresses")]
     public override async Task<Empty> UpdateCity(
         UpdateCityRequest request, ServerCallContext context)
     {
@@ -195,6 +197,7 @@ public class CityService : CityContract.CityContractBase
         return new Empty();
     }
 
+    [Obsolete("ARCHIVED: Cities are seed data — manual delete breaks user addresses")]
     public override async Task<Empty> DeleteCity(
         DeleteCityRequest request, ServerCallContext context)
     {
@@ -206,6 +209,7 @@ public class CityService : CityContract.CityContractBase
         await _context.SaveChangesAsync(context.CancellationToken);
         return new Empty();
     }
+    #endregion
 
     #endregion
 }

src/CMSMicroservice.WebApi/Services/ConfigurationService.cs

@@ -154,18 +154,22 @@ public class ConfigurationService : ConfigurationContract.ConfigurationContractB
         throw new RpcException(new Status(StatusCode.FailedPrecondition, "تنظیمات سیستم فقط خواندنی هستند. تغییر از طریق کد انجام می‌شود"));
     }
 
+    #region [ARCHIVED] DeactivateConfiguration & GetConfigurationHistory — SystemConstants ثابت هستند، این RPCها بی‌معنی
     [RequiresPermission(PermissionNames.SettingsManageConfiguration)]
+    [Obsolete("ARCHIVED: SystemConstants are read-only — deactivation is meaningless")]
     public override Task<Empty> DeactivateConfiguration(DeactivateConfigurationRequest request, ServerCallContext context)
     {
-        _logger.LogWarning("DeactivateConfiguration called but SystemConstants are read-only. Key: {Key}", request.Key);
+        _logger.LogWarning("[ARCHIVED] DeactivateConfiguration called but SystemConstants are read-only. Key: {Key}", request.Key);
         throw new RpcException(new Status(StatusCode.FailedPrecondition, "تنظیمات سیستم فقط خواندنی هستند. غیرفعال‌سازی از طریق کد انجام می‌شود"));
     }
 
+    [Obsolete("ARCHIVED: SystemConstants have no history — always returns empty")]
     public override Task<GetConfigurationHistoryResponse> GetConfigurationHistory(GetConfigurationHistoryRequest request, ServerCallContext context)
     {
-        // چون constant هستند، تاریخچه‌ای وجود نداره
+        // [ARCHIVED] چون constant هستند، تاریخچه‌ای وجود نداره
         return Task.FromResult(new GetConfigurationHistoryResponse());
     }
+    #endregion
 
     #region Private Helpers
 

src/CMSMicroservice.WebApi/Services/HealthService.cs

@@ -25,9 +25,11 @@ public class HealthService : HealthContract.HealthContractBase
         return result.Adapt<GetSystemHealthResponse>();
     }
 
+    #region [ARCHIVED] GetServiceHealth — تکراری: GetSystemHealth کل سیستم را برمی‌گرداند، فیلتر client-side کافی است
+    [Obsolete("ARCHIVED: Use GetSystemHealth + client-side filter by service name")]
     public override async Task<GetServiceHealthResponse> GetServiceHealth(GetServiceHealthRequest request, ServerCallContext context)
     {
-        // For now, just return system health filtered by service name
+        // [ARCHIVED] duplicate — GetSystemHealth returns all, client can filter
         var systemHealthQuery = new GetSystemHealthQuery();
         var systemHealth = await _mediator.Send(systemHealthQuery, context.CancellationToken);
         
@@ -45,4 +47,5 @@ public class HealthService : HealthContract.HealthContractBase
             CheckedAt = Google.Protobuf.WellKnownTypes.Timestamp.FromDateTime(DateTime.UtcNow)
         };
     }
+    #endregion
 }

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)
     {