Update: 将子项目从 submodule 转为完整内容

- 移除 GovAI, nomifun-tauri, 算力盒子 的 submodule 引用
- 添加所有子项目的完整源代码
- 保留原始 .git 为 .git.bak 备份

nomifun-tauri/test-data/builtin-skills/morph-ppt/reference/styles/dark--velvet-rose/style.md

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+# Velvet Rose — Luxury Brand
+
+## Style Overview
+
+Deep plum background with ghost large letterforms and thin arc decorations. Gold textFill fade creates elegant depth.
+
+- **Scenario**: Luxury brands, premium fashion, high-end retail, elegant showcases
+- **Mood**: Luxurious, elegant, sophisticated, refined
+- **Tone**: Deep plum with gold accents
+
+## Design Techniques
+
+- Ghost large letterforms
+- Thin arc shapes as elegant decoration
+- GOLD textFill fade (partially vanishes into dark bg)
+- Split warm/cool panels
+- Breathable open layouts
+
+## Reference Script
+
+Complete build script available in `build.py`.