fix(API基址): VITE_SERVICE_HOST /cms→/yschcms 对齐projman部署上下文；upload校验/菜单剥离兼容新旧前缀

src/utils/siteConfigForm.ts

@@ -23,12 +23,12 @@ export interface SiteConfigFieldDef {
 export const SITE_CONFIG_FIELD_DEFS: SiteConfigFieldDef[] = [
     {
         key: "logo", label: "站点 Logo", group: "display", kind: "asset", maxLength: 500,
-        placeholder: "如 /cms/upload/2026/06/logo.png 或 https://…",
+        placeholder: "如 /yschcms/upload/2026/06/logo.png 或 https://…",
         tip: "门户顶栏与页脚品牌位展示；建议先在「附件管理」上传，复制路径填到这里。",
     },
     {
         key: "favicon", label: "浏览器图标 favicon", group: "display", kind: "asset", maxLength: 500,
-        placeholder: "如 /cms/upload/…/favicon.png（留空用主题内置图标）",
+        placeholder: "如 /yschcms/upload/…/favicon.png（留空用主题内置图标）",
     },
     {
         key: "slogan", label: "首页标语", group: "display", kind: "text", maxLength: 200,
@@ -63,7 +63,7 @@ export const SITE_CONFIG_FIELD_DEFS: SiteConfigFieldDef[] = [
     {
         key: "public_base_url", label: "对外基地址", group: "domain", kind: "url", maxLength: 500,
         placeholder: "如 https://www.xxx.edu.cn",
-        tip: "绑定独立域名后必填；未填时全站链接走 base 域子路径形态（/cms/portal/{站点编码}）。",
+        tip: "绑定独立域名后必填；未填时全站链接走 base 域子路径形态（/yschcms/portal/{站点编码}）。",
     },
 ];