feat(map-editor): 站点/路径视口样式实时编辑与画布快捷键联动

- reflection API 新增 viewport-style GET/PATCH 及 ARGB 无符号化工具
- 属性面板「类型默认」重构为选中对象的视口样式实时编辑（防抖 + 序号防竞态）
- 画布 iframe 聚焦时经 SSE 转发撤销/重做/删除，移除冗余的坐标添加菜单

Co-authored-by: Cursor <cursoragent@cursor.com>

frontends/apps/simple-platform-vue/src/composables/useProjectionStream.ts

@@ -49,7 +49,9 @@ export const KNOWN_EVENT_KINDS = [
   'project-loaded',
   'car-state',
   'mission-status',
-  'monitor-config-updated'
+  'monitor-config-updated',
+  'workspace-shortcut',
+  'viewport-style-updated'
 ] as const
 
 type Listener = (event: StreamEvent) => void