feat(file): 优化文件上传处理和ID管理规范

- 新增 buildFileProxyUrl 函数构建永久代理路径，避免富文本图片链接过期
- 重构 uploadFile 函数，统一将后端返回的数值型 ID 转换为字符串
- 在业务富文本编辑器中使用永久代理路径替换临时签名 URL
- 完善 API 适配层 ID 规范，确保所有 ID 字段统一转换为字符串类型
- 移除废弃的编辑器相关路由和组件
- 更新构建代理配置以支持富文本图片直连访问
- 删除冗余的类型定义和依赖包

src/typings/elegant-router.d.ts

@@ -57,9 +57,6 @@ declare module "@elegant-router/types" {
     "plugin_charts_echarts": "/plugin/charts/echarts";
     "plugin_charts_vchart": "/plugin/charts/vchart";
     "plugin_copy": "/plugin/copy";
-    "plugin_editor": "/plugin/editor";
-    "plugin_editor_markdown": "/plugin/editor/markdown";
-    "plugin_editor_quill": "/plugin/editor/quill";
     "plugin_excel": "/plugin/excel";
     "plugin_gantt": "/plugin/gantt";
     "plugin_gantt_dhtmlx": "/plugin/gantt/dhtmlx";
@@ -194,8 +191,6 @@ declare module "@elegant-router/types" {
     | "plugin_charts_echarts"
     | "plugin_charts_vchart"
     | "plugin_copy"
-    | "plugin_editor_markdown"
-    | "plugin_editor_quill"
     | "plugin_excel"
     | "plugin_gantt_dhtmlx"
     | "plugin_gantt_vtable"