[CMS-VISUAL] F6: 站点设置「扩展参数」分区退役（7→6 分区），未知配置键改静默保留不丢失（vitest 164 绿）

src/views/cms/SiteSetting.vue

@@ -41,7 +41,8 @@ const row = ref<SiteVo | null>(null);
 const sites = ref<SiteVo[]>([]);
 const themes = ref<ThemeVo[]>([]);
 
-/** 分区清单（锚点导航；locked = 创建模式锁定） */
+/** 分区清单（锚点导航；locked = 创建模式锁定）。F6（docs/20）：「扩展参数」分区退役——
+ *  未知配置键由后端宽容保留，前端不再提供编辑区。 */
 const sections = [
     { key: "basic", title: "基本信息", desc: "编码 / 名称 / 归属 / 状态" },
     { key: "theme", title: "皮肤与外观", desc: "选皮肤 / 自定义 CSS" },
@@ -49,7 +50,6 @@ const sections = [
     { key: "display", title: "基础展示", desc: "品牌标识与图片" },
     { key: "footer", title: "页脚信息", desc: "联系方式与社媒" },
     { key: "seo", title: "SEO 与域名", desc: "收录与独立域名" },
-    { key: "extras", title: "扩展参数", desc: "预留键位", locked: true },
 ];
 const activeSection = ref("basic");
 let observer: IntersectionObserver | null = null;
@@ -76,12 +76,11 @@ const customCss = ref("");
 const previewVisible = ref(false);
 const editTheme = computed(() => themes.value.find(t => t.name === theme.value));
 
-/** ③~⑦ 分区表单 ref（分区独立校验） */
+/** ③~⑥ 分区表单 ref（分区独立校验） */
 const layoutEditorRef = ref();
 const displayFormRef = ref();
 const footerFormRef = ref();
 const seoFormRef = ref();
-const extrasFormRef = ref();
 
 const saving = reactive<Record<string, boolean>>({});
 
@@ -301,14 +300,6 @@ async function saveSeo() {
     await submitSection("seo", {});
 }
 
-async function saveExtras() {
-    if (!(await extrasFormRef.value?.validate())) {
-        Message.warning("请填写红色星号内容！"); // bsch §4
-        return;
-    }
-    await submitSection("extras", {});
-}
-
 async function saveLayout() {
     const err = layoutEditorRef.value?.validate();
     if (err) {
@@ -557,22 +548,6 @@ watch(() => store.currentSchool?.schId, () => loadSites());
                             <span class="card-hint">仅保存本分区；其他分区未保存的修改仍在页面上，下次任一分区保存会一并带上</span>
                         </div>
                     </div>
-
-                    <!-- ⑦ 扩展参数 -->
-                    <div id="sec-extras" class="card setting-card" :class="{ locked: isCreate }" data-section="extras">
-                        <div class="card-header">
-                            <span class="card-title">扩展参数</span>
-                            <span class="card-subtitle">面向后续扩展的预留配置键</span>
-                        </div>
-                        <Alert v-if="isCreate" type="info" show-icon class="ss-lock-tip">创建站点后开放</Alert>
-                        <div class="card-body">
-                            <SiteConfigForm ref="extrasFormRef" v-model="configJson" show-extras />
-                        </div>
-                        <div class="card-footer">
-                            <Button type="primary" :loading="saving.extras" :disabled="isCreate" @click="saveExtras">仅保存扩展参数</Button>
-                            <span class="card-hint">仅保存本分区；其他分区未保存的修改仍在页面上，下次任一分区保存会一并带上</span>
-                        </div>
-                    </div>
                 </div>
             </div>
         </div>