StillHammer 1d1d42b8d9 Add PowerPoint generation improvements for Alimentari Piccolo ... - Fix html2pptx Windows file path handling (file:/// URLs) - Fix Italian flag diagonal (remove CSS rotation, use positioned rectangles) - Add Chinese character background watermark (意) - Add geometric pattern attempt (Art Deco style) - Fix validation errors (text positioning, margins) - Add backup slides directory - Add build scripts and image resources 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>		2025-12-03 11:21:54 +08:00
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PPT04122025	Add PowerPoint generation improvements for Alimentari Piccolo	2025-12-03 11:21:54 +08:00