fix(stats): open game detail pages from stat lists, perfect games clickable

Add perfect games click-through on the dashboard. Remove Steam store
links from game lists. Stat numbers with count 0 are not clickable.
Tests cover the perfect-games click, zero guards, and owner versus
visitor behavior.

src/components/stats/PileStats.jsx

@@ -18,10 +18,10 @@ export default function PileStats({pile, linked = true}) {
         <StatsSection title={t('STATS.PILE.TITLE')} icon={Inbox}>
             <div className="grid grid-cols-2 gap-3 sm:grid-cols-3">
                 <StatTile label={t('STATS.PILE.GAMES')} value={pile.backlogGames.toLocaleString(i18n.language)}
-                          drill={{to: libraryLink('BACKLOG'), params: {key: 'PILE'}}}/>
+                          drill={{to: libraryLink('BACKLOG'), params: {key: 'PILE'}, count: pile.backlogGames}}/>
                 <StatTile label={t('STATS.PILE.NORMAL')} value={formatPlaytime(pile.normalMinutes)}
                           hint={t('STATS.PILE.KNOWN', {count: pile.gamesWithTimeToBeat})}
-                          drill={{params: {key: 'PILE_TIME_TO_BEAT'}}}/>
+                          drill={{params: {key: 'PILE_TIME_TO_BEAT'}, count: pile.gamesWithTimeToBeat}}/>
                 <StatTile label={t('STATS.PILE.COMPLETIONIST')} value={formatPlaytime(pile.completionistMinutes)}/>
             </div>
             {pile.normalMinutes > 0 && (