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/crates/backend/nomifun-app/assets/builtin-assistants/preset-id-whitelist.json

@@ -0,0 +1,23 @@
+[
+  "word-creator",
+  "word-form-creator",
+  "ppt-creator",
+  "excel-creator",
+  "morph-ppt",
+  "morph-ppt-3d",
+  "pitch-deck-creator",
+  "dashboard-creator",
+  "academic-paper",
+  "financial-model-creator",
+  "star-office-helper",
+  "openclaw-setup",
+  "cowork",
+  "game-3d",
+  "ui-ux-pro-max",
+  "planning-with-files",
+  "human-3-coach",
+  "social-job-publisher",
+  "moltbook",
+  "beautiful-mermaid",
+  "story-roleplay"
+]