wire scan completion to pipeline page

After a scan completes, show a "Review in Pipeline →" link next to the
status label. Nav already included the Pipeline entry from a prior task.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/features/scan/ScanPage.tsx

@@ -1,4 +1,5 @@
 import { useEffect, useRef, useState, useCallback } from 'react';
+import { Link } from '@tanstack/react-router';
 import { api } from '~/shared/lib/api';
 import { Button } from '~/shared/components/ui/button';
 import { Badge } from '~/shared/components/ui/badge';
@@ -29,6 +30,7 @@ export function ScanPage() {
 	const [limit, setLimit] = useState('');
 	const [log, setLog] = useState<LogEntry[]>([]);
 	const [statusLabel, setStatusLabel] = useState('');
+	const [scanComplete, setScanComplete] = useState(false);
 	const [currentItem, setCurrentItem] = useState('');
 	const [progressScanned, setProgressScanned] = useState(0);
 	const [progressTotal, setProgressTotal] = useState(0);
@@ -58,6 +60,7 @@ export function ScanPage() {
 			const d = b.complete;
 			b.complete = null;
 			setStatusLabel(`Scan complete — ${d.scanned ?? '?'} items, ${d.errors ?? 0} errors`);
+			setScanComplete(true);
 			setStatus((prev) => prev ? { ...prev, running: false } : prev);
 			stopFlushing();
 		}
@@ -150,6 +153,7 @@ export function ScanPage() {
 		setErrors(0);
 		setCurrentItem('');
 		setStatusLabel('Scan in progress…');
+		setScanComplete(false);
 		setStatus((prev) => prev ? { ...prev, running: true } : prev);
 		bufRef.current = freshBuf();
 
@@ -179,6 +183,11 @@ export function ScanPage() {
 			<div className="border border-gray-200 rounded-lg px-4 py-3 mb-6">
 				<div className="flex items-center flex-wrap gap-2 mb-3">
 					<span className="text-sm font-medium">{statusLabel || (running ? 'Scan in progress…' : 'Scan idle')}</span>
+					{scanComplete && (
+						<Link to="/pipeline" className="text-blue-600 hover:underline text-sm">
+							Review in Pipeline →
+						</Link>
+					)}
 					{running ? (
 						<Button variant="secondary" size="sm" onClick={stopScan}>Stop</Button>
 					) : (