fix: 修复 Git 子模块问题并更新 .gitignore

- 移除 .yoyo/snapshot 嵌套 git 仓库引用
- 从版本控制中移除 .yoyo、.serena、.claude 配置目录
- 更新 .gitignore 忽略这些配置目录
- 修复 GitHub Actions 部署错误

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/settings.local.json

@@ -1,45 +0,0 @@
-{
-  "permissions": {
-    "allow": [
-      "mcp__serena__read_file",
-      "mcp__serena__activate_project",
-      "mcp__serena__check_onboarding_performed",
-      "Bash(npm start)",
-      "mcp__serena__search_for_pattern",
-      "mcp__serena__replace_regex",
-      "mcp__serena__list_dir",
-      "mcp__serena__create_text_file",
-      "Bash(rm:*)",
-      "Bash(npm run build:*)",
-      "mcp__serena__execute_shell_command",
-      "Bash(pkill:*)",
-      "Bash(mkdir:*)",
-      "Bash(cp:*)",
-      "Bash(git checkout:*)",
-      "mcp__serena__replace_symbol_body",
-      "mcp__serena__think_about_task_adherence",
-      "mcp__serena__onboarding",
-      "mcp__serena__write_memory",
-      "Bash(lsof:*)",
-      "Bash(PORT=3001 npm start)",
-      "Bash(kill:*)",
-      "Bash(python3:*)",
-      "mcp__serena__find_file",
-      "mcp__serena__think_about_whether_you_are_done",
-      "mcp__serena__read_memory",
-      "Bash(npx tsc:*)",
-      "mcp__serena__get_symbols_overview",
-      "Bash(grep:*)",
-      "Bash(find:*)",
-      "Bash(timeout 10 npm start)",
-      "Bash(npm run dev:*)",
-      "Bash(npm install:*)",
-      "Bash(npm uninstall:*)",
-      "Bash(git init:*)",
-      "Bash(git remote add:*)",
-      "Bash(git add:*)",
-      "Bash(git commit -m \"$(cat <<''EOF''\nfeat: 初始化多Agent协作系统项目并添加直播回放功能\n\n- 添加导航栏组件及直播回放按钮\n- 实现视频播放模态框\n- 配置赛博朋克风格主题\n- 添加课程首页和课程页面\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")"
-    ],
-    "deny": []
-  }
-}