feat: update default screenshot format to jpeg in CLI options

Author: marcandreuf

src/cli.ts

@@ -163,9 +163,9 @@ export const cliOptions = {
   screenshotFormat: {
     type: 'string',
     describe:
-      'Default image format for screenshots. Options: png, jpeg, webp. Default is png.',
+      'Default image format for screenshots. Options: png, jpeg, webp. Default is jpeg.',
     choices: ['png', 'jpeg', 'webp'] as const,
-    default: 'png',
+    default: 'jpeg',
   },
 } satisfies Record<string, YargsOptions>;
 

tests/cli.test.ts

@@ -16,6 +16,8 @@ describe('cli args parsing', () => {
     categoryPerformance: true,
     'category-network': true,
     categoryNetwork: true,
+    'screenshot-format': 'jpeg',
+    screenshotFormat: 'jpeg',
   };
 
   it('parses with default args', async () => {