Bump version to 2.2.0

- Updated module version from 2.1.0 to 2.2.0
- Added comprehensive changelog for version 2.2.0
- Documents all new features: validation workflow, PDF management, secure downloads
- Documents technical improvements: database migration, error handling, UI cleanup
- Documents bug fixes: token validation, PDF detection, path resolution, debug cleanup
- Ready for production deployment

ChangeLog.md

@@ -1,5 +1,50 @@
 # CHANGELOG MODULE DECLARATIONTVA FOR [DOLIBARR ERP CRM](https://www.dolibarr.org)
 
+## 2.2.0
+
+### New Features
+- **Declaration Validation**: Complete validation workflow with confirmation dialogs
+- **PDF Document Management**: Automatic PDF generation and storage for validated declarations
+- **Document Download**: Secure PDF download system with proper authentication
+- **Status Management**: Visual status indicators and proper workflow separation
+- **Clean UI**: Streamlined interface with working actions only
+
+### Technical Improvements
+- **Database Migration**: Added validation tracking with proper database schema
+- **Secure Downloads**: Token-based authentication for PDF downloads
+- **Error Handling**: Comprehensive error handling without debug clutter
+- **File Management**: Proper document storage in structured directories
+- **UI Cleanup**: Removed non-working actions and streamlined interface
+
+### Bug Fixes
+- **Fixed Token Validation**: Resolved download handler authentication issues
+- **Fixed PDF Detection**: Improved file pattern matching for document detection
+- **Fixed Path Resolution**: Corrected file paths for document storage and access
+- **Removed Debug Code**: Cleaned up production code from debugging statements
+- **Fixed Button Actions**: Removed non-working buttons from declaration list
+
+## 2.1.0
+
+### New Features
+- **Enhanced PDF Export**: CA-3 form now includes detailed breakdown pages in a single comprehensive PDF
+- **Detailed Breakdown Pages**: Account-level details for each CA-3 line showing exactly where amounts come from
+- **Improved PDF Merging**: Uses pdftk for reliable PDF merging that preserves form fields
+- **Conditional Page Breaks**: Optimized page usage to reduce paper consumption
+- **Enhanced Line Calculations**: Added support for lines 25, 26, 27, TD, 28, 32 with proper conditional visibility
+- **Status Translation**: Proper French translation of declaration status in detailed PDFs
+
+### Technical Improvements
+- **Better Error Handling**: Comprehensive logging and debugging for PDF generation
+- **Form Field Preservation**: pdftk-based merging maintains all form data integrity
+- **Modular PDF Generation**: Separate detailed PDF generation with fallback options
+- **Enhanced Debugging**: Detailed logging for troubleshooting PDF generation issues
+
+### Bug Fixes
+- **Fixed Multi-Select Saving**: Configuration fields now properly save when all selections are removed
+- **Fixed PDF Merge Issues**: Resolved pdftk filename conflicts that prevented detailed pages from being added
+- **Fixed Status Translation**: Eliminated "Call to a member function trans() on null" errors
+- **Fixed Form Corruption**: Prevented FPDI merge from corrupting filled form data
+
 ## 1.1
 
 ### New Features

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 = '2.1.0';
+		$this->version = '2.2.0';
 		// Url to the file with your last numberversion of this module
 		//$this->url_last_version = 'http://www.example.com/versionmodule.txt';