fix: update transport state initialization in test_cli.c

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>

test_cli.c

@@ -24,7 +24,7 @@ static void test_cli_parse(void) {
     // Initialize atomic state mirrors
     atomic_store(&engine.quantize_mode_atomic, (int)QUANTIZE_OFF);
     atomic_store(&engine.quantize_threshold_atomic, 0);
-    engine.transport->rolling = false;
+    engine.transport->state = TRANSPORT_STOPPED;
     engine.transport->clock_count = 0;
     engine.transport->beat_position = 0;
     engine.transport->bar_position = 0;