Expand IGDB data: collections, game modes, themes, perspectives, videos, websites, age ratings, similar games; add backfill command

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

app/Http/Controllers/GameController.php

@@ -47,7 +47,11 @@ class GameController extends Controller
 
     public function show(Game $game)
     {
-        $game->load(['genres', 'platforms', 'companies', 'screenshots', 'reviews.user']);
+        $game->load([
+            'genres', 'platforms', 'companies', 'screenshots', 'reviews.user',
+            'collection', 'gameModes', 'themes', 'playerPerspectives', 'videos', 'websites',
+            'similarGames' => fn($q) => $q->published()->with(['genres'])->limit(6),
+        ]);
 
         $userGame   = null;
         $userReview = null;
@@ -64,8 +68,10 @@ class GameController extends Controller
             ->limit(20)
             ->get();
 
-        $similarGames = collect();
-        if ($game->genres->isNotEmpty()) {
+        // Use IGDB similar_games if available, otherwise fall back to genre-based
+        if ($game->similarGames->isNotEmpty()) {
+            $similarGames = $game->similarGames;
+        } elseif ($game->genres->isNotEmpty()) {
             $similarGames = Game::published()
                 ->whereHas('genres', fn($q) => $q->whereIn('genres.id', $game->genres->pluck('id')))
                 ->where('id', '!=', $game->id)
@@ -73,6 +79,8 @@ class GameController extends Controller
                 ->orderByDesc('rating_avg')
                 ->limit(6)
                 ->get();
+        } else {
+            $similarGames = collect();
         }
 
         $response = view('games.show', compact('game', 'userGame', 'userReview', 'userLists', 'comments', 'similarGames'));