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/mixed--spectral-grid/style.md

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+# Spectral Grid — Vibrant Synthesis
+
+## Style Overview
+
+Combines Bauhaus color-blocking + gradient ray-fan + mosaic tiles. Deep indigo base with amber, lime, and coral accents.
+
+- **Scenario**: Creative tech, innovation showcases, design conferences
+- **Mood**: Vibrant, energetic, innovative, experimental
+- **Tone**: Deep indigo with multi-color accents
+
+## Design Techniques
+
+- !!prism actor (diagonal gradient panel) rotates + reshapes each slide
+- Gradient ray-fan
+- Mosaic tile patterns
+- Bullseye ring elements
+
+## Reference Script
+
+Complete build script available in `build.py`.