fix: 统一资源卡片底部操作布局

- 将可见操作紧凑靠左并固定更多菜单位置

- 统一工作流、知识库、智能体和插件卡片密度

- 补充无占位布局回归测试

easyflow-ui-admin/app/src/views/ai/agents/AgentList.vue

@@ -358,6 +358,8 @@ async function handleDeleteAction(row: AgentInfo) {
               :data="pageList"
               :primary-action="primaryAction"
               :actions="actions"
+              density="compact"
+              meta-layout="compact"
             >
               <template #details="{ item }">
                 <AiResourceCornerMeta>

easyflow-ui-admin/app/src/views/ai/documentCollection/DocumentCollection.vue

@@ -730,7 +730,6 @@ function changeCategory(category: any) {
               tag-field="collectionType"
               tag-placement="details"
               :tag-map="collectionTypeLabelMap"
-              :title-line-clamp="0"
             >
               <template #details="{ item }">
                 <AiResourceCornerMeta>

easyflow-ui-admin/app/src/views/ai/plugin/Plugin.vue

@@ -124,7 +124,7 @@ const actions: ActionButton[] = [
     text: $t('button.delete'),
     tone: 'danger',
     permission: '/api/v1/plugin/remove',
-    placement: 'inline',
+    placement: 'menu',
     onClick(item) {
       handleDelete(item);
     },
@@ -382,6 +382,8 @@ const handleClickCategory = (item: PluginCategory) => {
               :primary-action="primaryAction"
               :actions="actions"
               :default-icon="defaultPluginIcon"
+              density="compact"
+              meta-layout="compact"
             >
               <template #corner="{ item }">
                 <ElTag

easyflow-ui-admin/app/src/views/ai/workflow/WorkflowList.vue

@@ -1245,7 +1245,6 @@ function handleHeaderButtonClick(data: any) {
               :actions="actions"
               density="compact"
               meta-layout="compact"
-              :title-line-clamp="0"
             >
               <template #details="{ item }">
                 <AiResourceCornerMeta>