Rename QM integration files for clarity

plugin.php → qm3.php (QM 3.x server-side HTML override)
collector.php → qm4.php (QM 4.0+ collector and JS injection)

Author: JanJakes

packages/plugin-sqlite-database-integration/integrations/query-monitor/boot.php

@@ -67,12 +67,10 @@ function register_sqlite_enhancements_for_query_monitor() {
 		return;
 	}
 
-	// QM 4.0+ uses client-side Preact rendering — use collector + JS injection.
-	// QM 3.x uses server-side PHP rendering — use HTML output override.
 	if ( defined( 'QM_VERSION' ) && version_compare( QM_VERSION, '4.0.0', '>=' ) ) {
-		require_once __DIR__ . '/collector.php';
+		require_once __DIR__ . '/qm4.php';
 	} else {
-		require_once __DIR__ . '/plugin.php';
+		require_once __DIR__ . '/qm3.php';
 	}
 
 	if ( ! defined( 'SQLITE_QUERY_MONITOR_LOADED' ) ) {