[server] only provide games that exist in games folder

crates/lanspread-server/src/main.rs

@@ -319,6 +319,17 @@ async fn main() -> eyre::Result<()> {
 
     let eti_games = eti::get_games(&cli.db).await?;
     let mut games: Vec<Game> = eti_games.into_iter().map(eti_game_to_game).collect();
+
+    // Filter games based on existing folders
+    games.retain(|game| {
+        let game_folder = cli.folder.join(&game.id);
+        let exists = game_folder.exists() && game_folder.is_dir();
+        if !exists {
+            tracing::debug!("Skipping game {}: folder not found", game.id);
+        }
+        exists
+    });
+
     let thumbnails = Thumbnails::new(cli.thumbnails);
 
     // add thumbnails to games

crates/lanspread-tauri-deno-ts/src/App.tsx

@@ -226,7 +226,7 @@ const App = () => {
                             <div className="item-name">{item.name}</div>
                             <div className="description">
                                 <span className="desc-text">{item.description.slice(0, 10)}</span>
-                                <span className="size-text">{item.size.toString()}</span>
+                                <span className="size-text">{(item.size / 1024 / 1024 / 1024).toFixed(1)} GB</span>
                             </div>
                             <div className="play-button"
                                 onClick={() => item.installed