Add multiple Playwright YAML configuration files for session management UI

- Created new YAML files to define the structure and components of the session management interface.
- Included various toolbars, buttons, and alerts to enhance user interaction.
- Implemented features such as session actions, agent sessions, and folder picker options.
- Ensured accessibility with appropriate cursor pointers and disabled states for buttons.

scripts/code-sessions-web.js

@@ -85,7 +85,7 @@ async function main() {
 
 	server.listen(PORT, HOST, () => {
 		console.log(`\n  Sessions Web running at: http://${HOST}:${PORT}/\n`);
-		if (!args['no-open']) {
+		if (!args['no-open'] && args.open !== false) {
 			open.default(`http://${HOST}:${PORT}/`);
 		}
 	});