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tests/quick-logic-test.js

@@ -225,6 +225,8 @@ const AUDIO_INPUTS = {
   ok(copyHelperCode.includes('fs.promises.copyFile(source, destination)'), 'copy helper uses native file copying');
   ok(copyHelperCode.includes("copyMethod = 'auto'"), 'copy helper defaults to automatic copy selection');
   ok(copyHelperCode.includes("copyMethod === 'stream'"), 'copy helper supports stream fallback');
+  ok(copyHelperCode.includes('bufferSizeMb = 16'), 'copy helper defaults stream buffer to 16 MB');
+  ok(copyHelperCode.includes('128'), 'copy helper caps stream buffer size');
 
   // ── Summary ───────────────────────────────────────────────────────────────
   console.log(`\n${'='.repeat(55)}`);