Queue native collection launches before async placement

src/lib/server/game-files/schema.ts

@@ -3,6 +3,11 @@ import type Database from 'better-sqlite3';
 const initialized = new WeakSet<Database.Database>();
 export function ensureGameFileSchema(handle: Database.Database): void {
     if (initialized.has(handle)) return;
+    // Worker readers open only after the controller has initialized the schema.
+    if (handle.readonly) {
+        initialized.add(handle);
+        return;
+    }
     handle.exec(`
         CREATE TABLE IF NOT EXISTS game_file_libraries (
             id TEXT PRIMARY KEY, name TEXT NOT NULL COLLATE NOCASE UNIQUE,