Release v1.9.0: Custom Headers & Footers for Professional Document Exports

Comprehensive header and footer customization system for all standard export formats with dynamic field support and persistent settings.
✨ Major Features:
- Custom Headers & Footers for PDF, DOCX, ODT, and PowerPoint exports
- Three-column layout (Left/Center/Right) for both headers and footers
- Dynamic field support: $PAGE$, $TOTAL$, $DATE$, $TIME$, $TITLE$, $AUTHOR$, $FILENAME$
- Logo/image upload UI for header and footer branding
- Enable/disable toggle with persistent settings across sessions
- Field insertion helper dialog for quick dynamic field selection
- Complete dark theme support for all 22 themes
🎯 Export Format Support:
- PDF (Standard): LaTeX fancyhdr package with automatic page numbering
- DOCX (Standard): Word XML manipulation with PAGE and NUMPAGES fields
- ODT: OpenDocument format with Pandoc integration
- PowerPoint (PPTX): Footer text with dynamic field replacement
- Batch Converter: Full header/footer support for all formats
💡 Technical Implementation:
- processDynamicFields() function for field replacement
- LaTeX header generation with fancyhdr and lastpage packages
- Word XML manipulation using PizZip for DOCX headers/footers
- addHeaderFooterToDocx() function for post-processing DOCX exports
- buildPandocCommand() enhanced with header/footer parameters
- IPC handlers for dialog communication and settings management
🎨 User Interface:
- New "Header & Footer Settings..." menu option in File menu
- Professional configuration dialog with field previews
- Logo upload with file path display and clear buttons
- Dynamic field picker popup dialog
- Responsive grid layout for three-column design
- Smooth transitions and animations
📦 Integration Points:
- Menu system (File → Header & Footer Settings...)
- Standard export functions (PDF, DOCX, ODT, PPTX)
- Batch converter with full format support
- Settings persistence via electron-store
- Logo file management in userData directory
🔧 Code Changes:
- src/main.js: Added header/footer IPC handlers, state management, processDynamicFields(), addHeaderFooterToDocx(), enhanced buildPandocCommand() and performBatchConversion()
- src/index.html: Added header/footer dialog and field picker dialog
- src/renderer.js: Added dialog management, logo handling, field insertion
- src/styles.css: Added comprehensive dialog styling with dark theme support
- package.json: Updated version to 1.9.0
- CLAUDE.md: Documented v1.9.0 features and implementation details
📝 Note: Enhanced exports (DOCX Enhanced, PDF Enhanced) use Word templates with pre-configured headers/footers. This feature specifically targets standard (non-templated) exports.
🚀 Impact:
Users can now add professional headers and footers to all document exports with custom branding, dynamic page numbers, dates, and titles - significantly improving document presentation for business and academic use cases.
🤖 Generated with Claude Code

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pan-converter",
-  "version": "1.8.3",
+  "version": "1.9.0",
   "description": "Cross-platform Markdown editor and converter using Pandoc",
   "main": "src/main.js",
   "scripts": {