{ "stdout": "[\n {\n \"antipattern\": \"bounce-easing\",\n \"name\": \"Bounce or elastic easing\",\n \"description\": \"Bounce and elastic easing feel dated and tacky. Real objects decelerate smoothly — use exponential easing (ease-out-quart/quint/expo) instead.\",\n \"severity\": \"warning\",\n \"category\": \"slop\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"animation: bounce-keyframe\"\n },\n {\n \"antipattern\": \"bounce-easing\",\n \"name\": \"Bounce or elastic easing\",\n \"description\": \"Bounce and elastic easing feel dated and tacky. Real objects decelerate smoothly — use exponential easing (ease-out-quart/quint/expo) instead.\",\n \"severity\": \"warning\",\n \"category\": \"slop\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"cubic-bezier(0.68, -0.55, 0.265, 1.55)\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: width\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: height\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: padding\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: margin\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: max-height\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: width, height\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: width\"\n },\n {\n \"antipattern\": \"layout-transition\",\n \"name\": \"Layout property animation\",\n \"description\": \"Animating width, height, padding, or margin causes layout thrash and janky performance. Use transform and opacity instead, or grid-template-rows for height animations.\",\n \"severity\": \"warning\",\n \"category\": \"quality\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"transition: width\"\n },\n {\n \"antipattern\": \"flat-type-hierarchy\",\n \"name\": \"Flat type hierarchy\",\n \"description\": \"Font sizes are too close together — no clear visual hierarchy. Use fewer sizes with more contrast (aim for at least a 1.25 ratio between steps).\",\n \"severity\": \"warning\",\n \"category\": \"slop\",\n \"file\": \"/tests/fixtures/antipatterns/motion.html\",\n \"line\": 0,\n \"snippet\": \"Sizes: 11px, 12px, 13px, 14px, 16px (ratio 1.5:1)\"\n }\n]\n", "stderr": "", "exit": 2, "signal": null, "files": {} }