Add schema validation and sync metadata UI

src/utils/datetime.ts

@@ -0,0 +1,28 @@
+export function formatDateTime(value?: string) {
+  if (!value) {
+    return '';
+  }
+
+  const time = Date.parse(value);
+  if (Number.isNaN(time)) {
+    return value;
+  }
+
+  return new Intl.DateTimeFormat('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    hour12: false,
+  }).format(new Date(time));
+}
+
+export function getLatestDate(values: string[]) {
+  const timestamps = values.map((value) => Date.parse(value)).filter((value) => !Number.isNaN(value));
+  if (timestamps.length === 0) {
+    return '';
+  }
+
+  return new Date(Math.max(...timestamps)).toISOString();
+}