⚡ Performance optimization: Fix multiple CSV loading issue

Add department code mapping to handle raw CSV department names

✅ Implemented REAL working progress bar for PowerPoint generation

🔧 Fixed progress bar to actually work during PowerPoint generation

🎨 Added detailed visual progress bar for PowerPoint generation

✨ Enhanced progress tracking with detailed upload validation

Enhanced progress tracking and user experience

Fix .xlsb file support: Use pyxlsb engine instead of openpyxl

Add .xlsb Excel file support

Fix: Add OpenAI API key setup and enhanced error handling for new generator functions

Add OpenAI integration for AI-powered KPI comments

Fix Italian month names in PowerPoint presentation

Fix PowerPoint template path detection

Remove unsupported ssr_mode parameter

Fix TypeError: argument of type 'bool' is not iterable

Apply critical SSR mode fix for Gradio 5.x HF Spaces compatibility

Complete fix for HF Spaces compatibility issues

Fix Gradio schema generation error for HF Spaces

CRITICAL FIX: Add share=True to resolve HF Spaces localhost error

Upgrade to Gradio 4.44.1 and simplify launch config - restore DownloadButton functionality and fix JSON schema issues

Fix Gradio compatibility: downgrade to stable v4.15.0 and remove problematic launch parameters

Fix Gradio compatibility issues: update to v4.44.1, remove problematic elem_classes, add allowed_paths for HF Spaces

Fix Python version to 3.10.6 to resolve HF Spaces build error

Initial upload: CSV to PowerPoint generator with LFS for binary files

initial commit