feat(设置+门户): LOGO 文字配置（校/平台两级，pane 内维护）+ header 徽标旁显示；个人主题保存改 JSON 形态（LOGO文字与主题JSON化）

src/components/Header.vue

@@ -1,6 +1,7 @@
 <template>
     <header :class="headerClass">
         <img v-if="!!logoUrl" :src="baseUrl + '/image/default-logo.png'" v-real-img="logoUrl" class="logo-box" alt="" />
+        <span v-if="logoText" class="logo-text">{{ logoText }}</span>
         <ul class="operate-container fix">
             <li v-if="isWidgetIconShow" :class="{ active: isWidgetShow }">
                 <div class="icon-box" v-wave @click="toggleWidgetShow">
@@ -265,6 +266,8 @@ const logoUrl = computed(() => {
     const sysLogo = logoList.value.find(x => x.type == 0);
     return sysLogo ? sysLogo.url : "";
 });
+/** LOGO 文字（平台/学校名称，2026-10-09）：存 sch_settings.logo_text（级联读），与 LOGO 图独立 */
+const logoText = ref("");
 const isUserCardShow = ref(false),
     isWallpaperShow = ref(false),
     isLogoShow = ref(false),
@@ -561,6 +564,10 @@ async function onWallpaperSelect(item: any) {
 async function loadLogoList() {
     const list = await UserSettingApi.getLogoList();
     logoList.value = list || [];
+    // LOGO 文字与图并行加载（失败静默——无文字仅显示图，不影响 header）
+    BaseApi.getSchLogoText()
+        .then(res => (logoText.value = res?.logoText || ""))
+        .catch(() => {});
 }
 
 async function logoSuccess(response: any, file: any, fileListt: any) {