feat(theme): 皮肤包管理收敛平台级+命名表单-新顶层路由/theme-manage(meta.superOnly守卫+页面watch双兜底),ThemeManage升级全屏页复用新抽WorkbenchHeader(工作台同款深色顶栏backTo=/workbench),工作台超管工具行加皮肤包管理按钮,删SiteManage兜底按钮,旧/theme重定向新页;上传/添加皮肤包改表单弹窗(zip+显示名/描述;添加=源包+标识名+命名一步),内置包可改显示名/描述(无参数区+恢复默认名称);openEdit未注册主题保留原值并告警(themeEdit util,不再静默归一default);mock删modId=7菜单节点;SiteWizard预览内容源v-model对齐path语义(W4遗留);vitest 62/62+build通过

src/views/cms/SiteManage.vue

@@ -9,6 +9,7 @@ import { useCmsStore } from "@/store";
 import config from "@/assets/config/host.config";
 import { SiteVo, ThemeVo } from "@/types/cms";
 import { formModelFromTheme, FormModelValue, mergeThemeParamsIntoConfigJson, themeParamsFromConfigJson } from "@/utils/themeParamForm";
+import { resolveEditableTheme } from "@/utils/themeEdit";
 import ThemePicker from "@/components/theme/ThemePicker.vue";
 import ThemeParamForm from "@/components/theme/ThemeParamForm.vue";
 import ThemePreviewFrame from "@/components/theme/ThemePreviewFrame.vue";
@@ -182,17 +183,18 @@ function openWizard() {
     wizardVisible.value = true;
 }
 
-/** W1：皮肤包管理页入口 */
-function goThemeManage() {
-    router.push(`/sch/${store.schoolCode}/theme`);
-}
-
 function onWizardCreated() {
     run();
 }
 
 function openEdit(row: SiteVo) {
     editSitePath.value = row.path || row.code;
+    // 任务三：主题值保留原值（未注册时告警，由服务端校验拒绝），不再静默改写为 default
+    const resolved = resolveEditableTheme(
+        row.theme,
+        themes.value.map(t => t.name)
+    );
+    themeUnregistered.value = resolved.unregistered;
     Object.assign(form, {
         id: row.id,
         code: row.code,
@@ -200,7 +202,7 @@ function openEdit(row: SiteVo) {
         schId: row.schId,
         schName: row.schName || "",
         name: row.name,
-        theme: themeMeta.value[row.theme || "default"] ? row.theme! : "default",
+        theme: resolved.theme,
         configJson: row.configJson || "",
         status: row.status,
     });
@@ -236,6 +238,7 @@ function withCustomCss(configJson: string, css: string): string {
 function pickTheme(name: string) {
     if (form.theme === name) return;
     form.theme = name;
+    themeUnregistered.value = false;
     const t = editTheme.value;
     editThemeParams.value = t ? formModelFromTheme(t, editThemeParams.value) : {};
 }
@@ -332,11 +335,6 @@ watch(() => store.currentSchool?.schId, () => run());
                 <Icon type="ios-add" />
                 {{ isSchoolAdmin ? "新建院系子站" : "新建站点（向导）" }}
             </Button>
-            <!-- W1：皮肤包管理入口（平台菜单注册前兜底可达，方案 §5.4 步骤7/R3） -->
-            <Button v-if="isSuperAdmin" class="fl" size="large" style="margin-left: 12px" @click="goThemeManage">
-                <Icon type="ios-color-palette" />
-                皮肤包管理
-            </Button>
         </div>
         <Table :columns="columns" :data="rows" :height="tableHeight" :loading="loading" no-data-text="暂无站点" />
 
@@ -362,6 +360,12 @@ watch(() => store.currentSchool?.schId, () => run());
                     <Input v-model="form.schName" :maxlength="128" />
                 </FormItem>
                 <FormItem label="皮肤包">
+                    <Alert v-if="themeUnregistered" type="warning" show-icon style="margin-bottom: 8px">
+                        皮肤包「{{ form.theme }}」未在注册表中，保存将被服务端拒绝；请先由平台超管上传该皮肤包，或改选下方其他皮肤。
+                    </Alert>
+                    <Alert v-else-if="!themes.length" type="warning" show-icon style="margin-bottom: 8px">
+                        皮肤包列表加载失败，暂时无法选择；站点当前皮肤包（{{ form.theme }}）保持不变，可关闭后重试。
+                    </Alert>
                     <ThemePicker :themes="themes" :model-value="form.theme" @update:model-value="pickTheme" />
                     <Button size="small" class="preview-btn" :disabled="!editTheme" @click="openEditPreview">预览本皮肤</Button>
                     <ThemeParamForm :theme="editTheme" v-model="editThemeParams" />