feat: add delete functionality for namespace resources

frontend/src/pages/K8sResourceList.tsx

@@ -198,6 +198,10 @@ export default function K8sResourceList() {
     try {
       let endpoint = '';
       let kind = '';
+      let requestBody = { 
+        name: deleteTarget.name, 
+        namespace: deleteTarget.namespace 
+      };
       
       // Determine the correct endpoint based on the selected resource kind
       switch (selectedKind.key) {
@@ -221,6 +225,12 @@ export default function K8sResourceList() {
           endpoint = '/api/v1/k8s/configmap/delete'
           kind = 'ConfigMap'
           break
+        case 'namespace':
+          endpoint = '/api/v1/k8s/namespace/delete'
+          kind = 'Namespace'
+          // Namespace doesn't need namespace field
+          requestBody = { name: deleteTarget.name }
+          break
         default:
           throw new Error(`Unsupported resource kind: ${selectedKind.key}`)
       }
@@ -228,10 +238,7 @@ export default function K8sResourceList() {
       const res = await fetch(endpoint, {
         method: 'DELETE',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ 
-          name: deleteTarget.name, 
-          namespace: deleteTarget.namespace 
-        }),
+        body: JSON.stringify(requestBody),
       })
 
       const result = await res.json()
@@ -381,7 +388,7 @@ export default function K8sResourceList() {
   const getResourceColumns = () => {
     switch (selectedKind.key) {
       case 'namespace':
-        return ['Name', 'Status', 'Age']
+        return ['Name', 'Status', 'Age', 'Actions']
       case 'deployment':
       case 'statefulset':
         return ['Name', 'Namespace', 'Replicas', 'Age', 'Actions']
@@ -421,6 +428,17 @@ export default function K8sResourceList() {
             <TableCell>{metadata.name || '-'}</TableCell>
             <TableCell>{status.phase || '-'}</TableCell>
             <TableCell>{getAge(metadata.creationTimestamp)}</TableCell>
+            <TableCell>
+              <Tooltip title="删除">
+                <IconButton
+                  size="small"
+                  color="error"
+                  onClick={() => openDeleteDialog(metadata.name, metadata.namespace)}
+                >
+                  <DeleteIcon fontSize="small" />
+                </IconButton>
+              </Tooltip>
+            </TableCell>
           </TableRow>
         )
       case 'deployment':