Implement Persian Date Conversion and Enhance User Network Information Service

- Added PersianDateTimeService for converting Gregorian dates to Persian format in the BackOffice frontend.
- Updated multiple frontend pages (Dashboard, UserPayouts, WorkerControl, UserNetworkInfo) to utilize the new Persian date service.
- Enhanced GetUserNetworkPositionDto with 28+ new fields for comprehensive user network data.
- Updated GetUserNetworkPositionQueryHandler to include new methods for calculating network statistics.
- Modified Protobuf messages to accommodate the new fields, increasing from 14 to 42.
- Refined week number calculation algorithm to ensure consistency across C# and SQL implementations.
- Created new CSV and Excel files for binary plan calculations.
- Ensured all changes are tested and validated for accuracy and performance.

03-BACKEND/CMS/README.md

@@ -4,7 +4,7 @@
 [![Progress](https://img.shields.io/badge/Progress-85%25-blue)]()
 [![MVP](https://img.shields.io/badge/MVP-100%25%20Complete-brightgreen)]()
 
-## 📊 Project Status (2025-12-01)
+## 📊 Project Status (2025-12-18)
 
 **Overall Progress**: 85% Complete (7/10 phases)  
 **Production Readiness**: 95%  
@@ -32,9 +32,15 @@
 
 ---
 
-## 🚀 Recent Updates (2025-12-01)
+## 🚀 Recent Updates (2025-12-18 / ۲۸ آذر)
 
-### Email & SMS Notifications - COMPLETED ✅
+### Entity Configuration - Persian Encoding Fix ✅
+- ✅ **Geography Entities**: Country, State, City
+- ✅ **Change**: All string columns now `NVARCHAR` with `Persian_100_CI_AI` collation
+- ✅ **Migration**: `FixPersianCollation_Geography`
+- ✅ **Fixes**: Persian characters display correctly in Geography tables
+
+### Previous Updates (2025-12-01)
 - ✅ **MailKit 4.14.1** for Email (SMTP with HTML templates)
 - ✅ **Kavenegar 1.2.5** for SMS (Iranian SMS gateway)
 - ✅ User.Email field added with migration