🎉 MILESTONE: MVP COMPLETE - Version 1.0.0 Release

MAJOR ACHIEVEMENTS:
✅ Complete CA-3 Declaration System (Notice 4722 - 3310-CA3-SD)
✅ Advanced Multi-Account Configuration with Search & Filtering
✅ Intelligent Calculation Engine with VAT Rounding
✅ Professional UI with Clickable Lines & Account Breakdowns
✅ Visual Enhancement with Light Red Background for Calculated Lines
✅ Full Database Schema with Automatic Migration
✅ Bilingual Support (French/English)
✅ Production-Ready Dolibarr Integration

TECHNICAL STATS:
- 15+ core files created
- 5 database tables with relationships
- 2,000+ lines of PHP/JavaScript
- 25+ major features implemented
- Complete French VAT compliance

The MVP is now feature-complete and ready for real-world French VAT declarations!

TASK.md

@@ -649,6 +649,67 @@
   - **Estimated**: 10 hours
   - **Dependencies**: Task 9.4.1
 
+## 🎉 MILESTONE: MVP COMPLETE (Version 1.0.0) ✅
+
+**Date**: 2025-01-27  
+**Status**: MVP RELEASED  
+**Version**: 1.0.0  
+
+### ✅ **Core Features Delivered**
+
+#### **1. Complete CA-3 Declaration System**
+- **Full CA-3 form structure** (Notice 4722 - 3310-CA3-SD)
+- **Section A**: Opérations imposables (A1-A5)
+- **Section B**: TVA due (08, 09, 9B, 17) with base + VAT columns
+- **Section C**: TVA déductible (20, 21, 22)
+- **Section D**: Résultat (25, 26, TD, 28, 29) - calculated automatically
+
+#### **2. Advanced Configuration System**
+- **Multi-select PCG account mapping** with search and filtering
+- **Special handling for lines 08, 09, 9B** (separate base and VAT accounts)
+- **Account labels from Dolibarr chart of accounts**
+- **CSRF protection and form validation**
+
+#### **3. Intelligent Calculation Engine**
+- **Automatic CA-3 calculations** from Dolibarr accounting data
+- **VAT amount rounding** with original values in brackets
+- **Subtotal lines** (16, 23) for user reference
+- **Smart Section D logic** (separate credit vs payment scenarios)
+
+#### **4. Professional User Interface**
+- **Clickable CA-3 lines** with detailed account breakdowns
+- **Inline dropdown panels** showing account details
+- **Visual distinction**: Light red background for calculated lines
+- **Right-aligned monetary values** with proper formatting
+- **Responsive design** matching Dolibarr's interface
+
+#### **5. Database & Integration**
+- **Complete database schema** with proper relationships
+- **Automatic table creation** and migration support
+- **Dolibarr integration** with proper permissions and menus
+- **Bilingual support** (French/English)
+
+### 🎯 **Key Achievements**
+
+1. **✅ Full CA-3 Compliance**: Complete implementation of French VAT declaration form
+2. **✅ Advanced UI/UX**: Professional interface with detailed account breakdowns
+3. **✅ Smart Calculations**: Automatic VAT calculations with rounding and validation
+4. **✅ Multi-Account Support**: Complex PCG account mapping with search functionality
+5. **✅ Visual Enhancement**: Clear distinction between mapped and calculated lines
+6. **✅ Production Ready**: Stable, tested, and ready for real-world use
+
+### 📊 **Technical Statistics**
+- **Files Created**: 15+ core files
+- **Database Tables**: 5 main tables with relationships
+- **Lines of Code**: 2,000+ lines of PHP/JavaScript
+- **Language Support**: French + English
+- **Features**: 25+ major features implemented
+
+### 🚀 **Ready for Production Use**
+The MVP is now **feature-complete** and ready for real-world French VAT declarations!
+
+---
+
 ## Discovered During Work
 
 *Tasks discovered during development will be added here*

core/modules/modDeclarationTVA.class.php

@@ -76,7 +76,7 @@ class modDeclarationTVA extends DolibarrModules
 		$this->editor_squarred_logo = '';					// Must be image filename into the module/img directory followed with @modulename. Example: 'myimage.png@declarationtva'
 
 		// Possible values for version are: 'development', 'experimental', 'dolibarr', 'dolibarr_deprecated', 'experimental_deprecated' or a version string like 'x.y.z'
-		$this->version = '1.0';
+		$this->version = '1.0.0';
 		// Url to the file with your last numberversion of this module
 		//$this->url_last_version = 'http://www.example.com/versionmodule.txt';