feat(psn): replace PSN import button with sync review

Remove the PSN import tab; linking now starts a sync.
Show the PSN review link, last played date and PSN expiry notes.
PSN rows hide the hours field; unchecked titles you saw are dismissed,
unseen ones stay open.

src/components/ManualGameCard.jsx

@@ -25,7 +25,9 @@ export default function ManualGameCard({game, onSaved}) {
     const [busy, setBusy] = useState(false);
     const [confirmRemove, setConfirmRemove] = useState(false);
 
-    const playtimeMinutes = hoursToMinutes(hours);
+    // PlayStation owns the playtime of its rows: Core ignores a value sent for one.
+    const psn = game.source === 'PSN';
+    const playtimeMinutes = psn ? game.playtimeMinutes : hoursToMinutes(hours);
     const dirty = platform.trim() !== (game.platform ?? '') || playtimeMinutes !== game.playtimeMinutes;
     useUnsavedChanges(dirty);
 
@@ -65,7 +67,7 @@ export default function ManualGameCard({game, onSaved}) {
                 <Hand className="size-4 text-primary"/>
                 {t('MANUAL_GAME.TITLE')}
             </h2>
-            <p className="text-sm text-muted-foreground">{t('MANUAL_GAME.HINT')}</p>
+            {!psn && <p className="text-sm text-muted-foreground">{t('MANUAL_GAME.HINT')}</p>}
 
             <div className="grid gap-5 sm:grid-cols-2">
                 <div className="space-y-2">
@@ -73,11 +75,13 @@ export default function ManualGameCard({game, onSaved}) {
                     <Input id="manual-platform" value={platform} maxLength={MAX_PLATFORM_LENGTH}
                            onChange={(e) => setPlatform(e.target.value)}/>
                 </div>
-                <div className="space-y-2">
-                    <Label htmlFor="manual-hours">{t('MANUAL_GAME.HOURS')}</Label>
-                    <Input id="manual-hours" type="number" min="0" step="0.5" inputMode="decimal" value={hours}
-                           onChange={(e) => setHours(e.target.value)}/>
-                </div>
+                {!psn && (
+                    <div className="space-y-2">
+                        <Label htmlFor="manual-hours">{t('MANUAL_GAME.HOURS')}</Label>
+                        <Input id="manual-hours" type="number" min="0" step="0.5" inputMode="decimal" value={hours}
+                               onChange={(e) => setHours(e.target.value)}/>
+                    </div>
+                )}
             </div>
 
             <div className="flex flex-wrap items-center justify-between gap-3">