fix(fe): eliminate duplicate wrappers and enforce exact viewport-fit grid height in ShadowRunQueue

frontend/src/features/shadow-run/pages/ShadowRunQueue.vue

@@ -135,16 +135,12 @@ const handleRetry = () => {
     </template>
 
     <!-- Default Slot: Standardized Grid -->
-    <div class="content">
-      <div class="job-list-container">
-        <h2>Shadow Run Jobs ({{ filteredJobs.length }})</h2>
-        <DataGridShell
-          :rows="filteredJobs"
-          :columns="shadowRunColumns"
-          empty-message="검색 조건에 맞는 배치 작업이 없습니다."
-        />
-      </div>
-    </div>
+    <DataGridShell
+      :rows="filteredJobs"
+      :columns="shadowRunColumns"
+      height="calc(100vh - 210px)"
+      empty-message="검색 조건에 맞는 배치 작업이 없습니다."
+    />
   </BatchOperationsPageV2>
 </template>
 
@@ -225,8 +221,8 @@ h1 {
 .filters {
   display: grid;
   grid-template-columns: 1fr 150px;
-  gap: var(--spacing-4);
-  margin-bottom: var(--spacing-5);
+  gap: var(--ks-space-2);
+  margin-bottom: 0;
 }
 
 .input {