Approve database migration

src/components/moderation/TimelineEventPreview.tsx

@@ -0,0 +1,60 @@
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Calendar, Tag } from 'lucide-react';
+import type { TimelineSubmissionData } from '@/types/timeline';
+
+interface TimelineEventPreviewProps {
+  data: TimelineSubmissionData;
+}
+
+export function TimelineEventPreview({ data }: TimelineEventPreviewProps) {
+  const formatEventType = (type: string) => {
+    return type.replace(/_/g, ' ').replace(/\b\w/g, (l) => l.toUpperCase());
+  };
+
+  return (
+    <Card>
+      <CardHeader>
+        <CardTitle className="flex items-center gap-2">
+          <Tag className="h-4 w-4" />
+          Timeline Event: {data.title}
+        </CardTitle>
+      </CardHeader>
+      <CardContent className="space-y-4">
+        <div className="grid grid-cols-2 gap-4 text-sm">
+          <div>
+            <span className="font-medium">Event Type:</span>
+            <p className="text-muted-foreground">
+              {formatEventType(data.event_type)}
+            </p>
+          </div>
+          <div>
+            <span className="font-medium">Date:</span>
+            <p className="text-muted-foreground flex items-center gap-1">
+              <Calendar className="h-3 w-3" />
+              {new Date(data.event_date).toLocaleDateString()} 
+              ({data.event_date_precision})
+            </p>
+          </div>
+        </div>
+
+        {(data.from_value || data.to_value) && (
+          <div className="flex items-center gap-2 text-sm">
+            <span className="font-medium">Change:</span>
+            <span className="text-muted-foreground">
+              {data.from_value || '—'} → {data.to_value || '—'}
+            </span>
+          </div>
+        )}
+
+        {data.description && (
+          <div>
+            <span className="font-medium text-sm">Description:</span>
+            <p className="text-sm text-muted-foreground mt-1">
+              {data.description}
+            </p>
+          </div>
+        )}
+      </CardContent>
+    </Card>
+  );
+}