fix polling 10s

src/composables/useImportPoller.js

@@ -1,7 +1,7 @@
 import { ref, onUnmounted } from "vue";
 import { getImportStatus } from "src/api/importStatus";
 
-const POLL_INTERVAL_MS = 30000;
+const POLL_INTERVAL_MS = 10000;
 const MAX_ATTEMPTS     = 10; // 5 minutes
 
 export function useImportPoller() {