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--aurora-softedge/style.md

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+# Aurora Softedge — Design Portfolio
+
+## Style Overview
+
+Aurora dark background with layered soft-edge ellipses. Innovative softedge technique creates depth through graduated blur.
+
+- **Scenario**: Design portfolios, creative showcases, art galleries
+- **Mood**: Aurora-like, dreamy, artistic, mysterious
+- **Tone**: Dark with soft aurora colors
+
+## Design Techniques
+
+- Layered soft-edge ellipses (outer = larger softedge, inner = sharp)
+- Soft-edge formula: base ellipse softedge = radius × 2.5pt
+- Aurora color palette
+- Graduated blur creates depth
+
+## Reference Script
+
+Complete build script available in `build.py`.