feat: 优化用户列表界面，移除不必要的输入框并简化数据表格布局

frontend/superadmin/src/views/superadmin/Tenants.vue

@@ -201,7 +201,6 @@ onMounted(() => {
             <div class="flex flex-wrap items-center justify-between gap-3 mb-4">
                 <div class="flex items-center gap-2">
                     <h4 class="m-0">租户列表</h4>
-                    <Tag :value="`总数：${totalRecords}`" severity="secondary" />
                 </div>
                 <div class="flex flex-wrap items-center gap-2">
                     <IconField>

frontend/superadmin/src/views/superadmin/Users.vue

@@ -12,7 +12,6 @@ const totalRecords = ref(0);
 const page = ref(1);
 const rows = ref(10);
 
-const tenantID = ref(null);
 const username = ref('');
 const sortField = ref('id');
 const sortOrder = ref(-1);
@@ -96,7 +95,6 @@ async function loadUsers() {
         const result = await UserService.listUsers({
             page: page.value,
             limit: rows.value,
-            tenantID: tenantID.value ?? undefined,
             username: username.value,
             sortField: sortField.value,
             sortOrder: sortOrder.value
@@ -121,7 +119,6 @@ function onSearch() {
 }
 
 function onReset() {
-    tenantID.value = null;
     username.value = '';
     sortField.value = 'id';
     sortOrder.value = -1;
@@ -153,10 +150,8 @@ onMounted(() => {
             <div class="flex flex-wrap items-center justify-between gap-3 mb-4">
                 <div class="flex items-center gap-2">
                     <h4 class="m-0">用户列表</h4>
-                    <Tag :value="`总数：${totalRecords}`" severity="secondary" />
                 </div>
                 <div class="flex flex-wrap items-center gap-2">
-                    <InputNumber v-model="tenantID" placeholder="TenantID" :useGrouping="false" class="w-40" />
                     <IconField>
                         <InputIcon>
                             <i class="pi pi-search" />
@@ -168,32 +163,19 @@ onMounted(() => {
                 </div>
             </div>
 
-            <DataTable
-                :value="users"
-                dataKey="id"
-                :loading="loading"
-                lazy
-                :paginator="true"
-                :rows="rows"
-                :totalRecords="totalRecords"
-                :first="(page - 1) * rows"
-                :rowsPerPageOptions="[10, 20, 50, 100]"
-                sortMode="single"
-                :sortField="sortField"
-                :sortOrder="sortOrder"
-                @page="onPage"
-                @sort="onSort"
+            <DataTable :value="users" dataKey="id" :loading="loading" lazy :paginator="true" :rows="rows"
+                :totalRecords="totalRecords" :first="(page - 1) * rows" :rowsPerPageOptions="[10, 20, 50, 100]"
+                sortMode="single" :sortField="sortField" :sortOrder="sortOrder" @page="onPage" @sort="onSort"
                 currentPageReportTemplate="显示第 {first} - {last} 条，共 {totalRecords} 条"
                 paginatorTemplate="FirstPageLink PrevPageLink PageLinks NextPageLink LastPageLink CurrentPageReport RowsPerPageDropdown"
-                scrollable
-                scrollHeight="flex"
-                responsiveLayout="scroll"
-            >
+                scrollable scrollHeight="flex" responsiveLayout="scroll">
                 <Column field="id" header="ID" sortable style="min-width: 6rem" />
                 <Column field="username" header="用户名" sortable style="min-width: 14rem" />
                 <Column field="status" header="状态" sortable style="min-width: 10rem">
                     <template #body="{ data }">
-                        <Tag :value="data.status_description || data.status || '-'" :severity="getStatusSeverity(data.status)" class="cursor-pointer" @click="openStatusDialog(data)" />
+                        <Tag :value="data.status_description || data.status || '-'"
+                            :severity="getStatusSeverity(data.status)" class="cursor-pointer"
+                            @click="openStatusDialog(data)" />
                     </template>
                 </Column>
                 <Column field="roles" header="角色" style="min-width: 16rem">
@@ -232,12 +214,15 @@ onMounted(() => {
             <div class="flex flex-col gap-4">
                 <div>
                     <label class="block font-medium mb-2">用户状态</label>
-                    <Select v-model="statusValue" :options="statusOptions" optionLabel="label" optionValue="value" placeholder="选择状态" :disabled="statusLoading" fluid />
+                    <Select v-model="statusValue" :options="statusOptions" optionLabel="label" optionValue="value"
+                        placeholder="选择状态" :disabled="statusLoading" fluid />
                 </div>
             </div>
             <template #footer>
-                <Button label="取消" icon="pi pi-times" text @click="statusDialogVisible = false" :disabled="statusLoading" />
-                <Button label="确认" icon="pi pi-check" @click="confirmUpdateStatus" :loading="statusLoading" :disabled="!statusValue" />
+                <Button label="取消" icon="pi pi-times" text @click="statusDialogVisible = false"
+                    :disabled="statusLoading" />
+                <Button label="确认" icon="pi pi-check" @click="confirmUpdateStatus" :loading="statusLoading"
+                    :disabled="!statusValue" />
             </template>
         </Dialog>
     </div>