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--obsidian-amber/style.md

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+# Obsidian Amber — Dark Finance
+
+## Style Overview
+
+Near-black background with amber corner glows and huge ghost percentage numbers. TextFill titles fade white-to-amber. Finance and investment theme.
+
+- **Scenario**: Finance, investment, luxury services, premium consulting
+- **Mood**: Premium, sophisticated, mysterious, powerful
+- **Tone**: Near-black with amber accents
+
+## Design Techniques
+
+- Huge ghost percentage numbers
+- TextFill gradient (white → amber)
+- Amber corner glows
+- White cards floating on black
+- Split warm/cold panels
+
+## Reference Script
+
+Complete build script available in `build.py`.