fix(launcher): restore Matroska thumbnails in Linux rofi picker (#210)

launcher/commands/jellyfin-command.ts

@@ -2,6 +2,7 @@ import { fail } from '../log.js';
 import { runAppCommandWithInherit } from '../mpv.js';
 import { commandExists } from '../util.js';
 import { runJellyfinPlayMenu } from '../jellyfin.js';
+import { ensureLinuxRuntimePluginAvailable } from '../runtime-plugin-preflight.js';
 import { shouldForwardLogLevel } from '../types.js';
 import type { LauncherCommandContext } from './context.js';
 
@@ -64,6 +65,13 @@ export async function runJellyfinCommand(context: LauncherCommandContext): Promi
     if (args.useRofi && !commandExists('rofi')) {
       fail('rofi not found. Install rofi or omit -R for fzf.');
     }
+    if (args.useRofi) {
+      await ensureLinuxRuntimePluginAvailable({
+        appPath,
+        scriptPath,
+        logLevel: args.logLevel,
+      });
+    }
     await runJellyfinPlayMenu(appPath, args, scriptPath, mpvSocketPath);
     return true;
   }