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/pages/LandingPage.jsx

@@ -17,7 +17,6 @@ import {TagBars} from '../components/stats/TasteStats.jsx';
 import {StatDrillProvider, useStatDrill, useTagDrill} from '../components/stats/StatDrill.jsx';
 import useSession from '../hooks/useSession.js';
 import {genreKey} from '../utils/stats.js';
-import {gameHref} from '../utils/statGames.js';
 
 import usePublicStats from '../hooks/usePublicStats.js';
 
@@ -51,11 +50,9 @@ function RankedGames({title, games, formatValue, drillKey}) {
 }
 
 function GameName({game}) {
-    const href = gameHref(game.appid, false);
-    const name = <FitText text={game.name ?? `App ${game.appid}`}/>;
     return (
         <span className="@container min-w-0 flex-1 font-medium">
-            {href ? <a href={href} target="_blank" rel="noopener noreferrer" className="hover:text-primary">{name}</a> : name}
+            <FitText text={game.name ?? `App ${game.appid}`}/>
         </span>
     );
 }