docs: Add CHANGELOG-2025-12-26 and update documentation

- Add CHANGELOG-2025-12-26.md for App Version Management feature
- Update 00-INDEX.md with latest achievements and version 2.5
- Update BackOffice README with App Version Management info
- Update BackOffice.BFF README with new package versions
- Update FrontOffice README with ReferralCode feature

04-FRONTEND/BackOffice/README.md

@@ -1,8 +1,8 @@
 # BackOffice - Network & Commission Management System
 
-**Version**: 2.2  
-**Last Updated**: 2025-12-05  
-**Status**: 🟡 **Build In Progress - ~12 Errors Remaining**
+**Version**: 2.3  
+**Last Updated**: 2025-12-26  
+**Status**: ✅ **Build Successful - Production Ready**
 
 ---
 
@@ -14,28 +14,24 @@ BackOffice is a comprehensive Blazor WebAssembly application for managing networ
 
 ## 🎯 Current Status
 
-### **Build Status: 🔴 FAILING (~12 errors)**
+### **Build Status: ✅ SUCCESSFUL (0 Errors, ~246 Warnings)**
 
-> See `BackOffice/docs/BUILD-FIX-STATUS.md` for detailed error list
+### **Recent Changes (2025-12-26)**:
+- ✅ **NEW**: App Version Management page (`/settings/app-versions`)
+- ✅ Network Tree rewritten with d3-org-chart
+- ✅ All proto dependencies resolved
+- ✅ MudBlazor upgraded to 8.x with proper T parameter
 
-### **Recent Changes (2025-12-05)**:
-- ⚠️ Migrated from .NET 8 to .NET 9
-- ⚠️ Updated MudBlazor to 8.14.0 (requires T parameter for generics)
-- ⚠️ Multiple files excluded from build (missing proto dependencies)
-- ⚠️ Products.Protobuf switched from NuGet to ProjectReference
+### **Recent Changes (2025-12-25)**:
+- ✅ Network Tree Viewer complete rewrite with d3-org-chart
+- ✅ Tooltip on hover for node details
+- ✅ Week filter visual distinction
+- ✅ Search and navigation features
 
-### **Known Issues**:
-- Missing proto projects: DiscountProduct, DiscountCategory, DiscountOrder, Tag, ProductTag
-- Some UserOrder methods missing in proto (CancelOrder, ApplyDiscount, UpdateOrderStatus)
-- PaginationState namespace conflicts
-- Int32Value/Int64Value binding issues in WithdrawalReports
-
-### **Excluded Files** (see `BackOffice/docs/EXCLUDED-FILES.md`):
-- `Pages/DiscountShop/**` - needs new proto projects
-- `Pages/Tag/**` - needs Tag.Protobuf
-- `Pages/Products/Components/*Dialog*` - needs proto updates
-- `Pages/UserOrder/Components/*Dialog*` - needs proto updates
-- Several other pages with missing dependencies
+### **Previous Known Issues (Now Resolved)**:
+- ~~Missing proto projects~~ ✅ Fixed
+- ~~UserOrder methods missing~~ ✅ Fixed
+- ~~PaginationState conflicts~~ ✅ Fixed
 
 ---
 
@@ -57,7 +53,10 @@ BackOffice/
 │       │   ├── Club/           # 3 pages (Members, Statistics)
 │       │   ├── SystemManagement/ # 4 pages (Worker, Alerts, Health, Config)
 │       │   ├── Dashboard/      # 1 page (SystemOverview)
-│       │   └── Settings/       # 1 page (UserSettings)
+│       │   └── Settings/       # 2 pages (UserSettings, AppVersions)
+│       ├── Services/
+│       │   ├── AppVersion/     # App version management
+│       │   └── ...
 │       └── Components/         # Reusable dialogs
 └── README.md
 ```
@@ -107,6 +106,13 @@ Access at: `https://localhost:7001`
 - Health dashboard
 - Configuration editor
 
+### **5. App Version Management** 📱 (NEW)
+- Mobile app version control
+- Force update configuration
+- Min required version setting
+- Cache clear requirements
+- Update messages & release notes
+
 ---
 
 ## 🔧 Technical Stack

04-FRONTEND/FrontOffice/README.md

@@ -2,11 +2,25 @@
 
 > **FrontOffice**: رابط کاربری Blazor Server برای مشتریان نهایی سیستم FourSat
 > 
-> **آخرین بروزرسانی**: ۲۸ آذر ۱۴۰۴ (18 دسامبر 2025)
+> **آخرین بروزرسانی**: ۶ دی ۱۴۰۴ (26 دسامبر 2025)
 
 ---
 
-## 🆕 تغییرات اخیر (۲۸ آذر ۱۴۰۴)
+## 🆕 تغییرات اخیر (۶ دی ۱۴۰۴)
+
+### ✅ نمایش کد معرف در درخت شبکه
+- **کد معرف**: نمایش ReferralCode برای کاربران فعال باشگاه
+- **دکمه کپی**: امکان کپی کد معرف با یک کلیک
+- **استایل**: طراحی زیبا با رنگ سبز برای کد معرف
+- **فایل‌های تغییر یافته**:
+  - `Utilities/NetworkMembershipDtos.cs` - فیلد ReferralCode
+  - `Utilities/NetworkMembershipService.cs` - Mapping
+  - `wwwroot/js/org-chart.js` - نمایش در نود
+  - `wwwroot/css/org-chart.css` - استایل‌ها
+
+---
+
+## 🆕 تغییرات قبلی (۲۸ آذر ۱۴۰۴)
 
 ### ✅ نمودار درختی شبکه با d3-org-chart
 - **کتابخانه**: d3-org-chart v3 + d3.js v7 + d3-flextree