[
  {
    "testName": "counter",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 10,
    "pass1": 1,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet count = $state(0);\n</script>\n\n<div class=\"counter\">\n\t<button data-testid=\"decrement-button\" on:click={() => count--}>-</button>\n\t<span data-testid=\"count-value\">{count}</span>\n\t<button data-testid=\"increment-button\" on:click={() => count++}>+</button>\n</div>",
        "success": true,
        "errors": [],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n</script>\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count--}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count++}>+</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={decrement}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={increment}>+</button>\n</div>\n\n<script>\n  let count = $state(0);\n  \n  function increment() {\n    count += 1;\n  }\n  \n  function decrement() {\n    count -= 1;\n  }\n</script>",
        "success": true,
        "errors": []
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n</script>\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count--}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count++}>+</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n</script>\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count -= 1}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count += 1}>+</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count--}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count++}>+</button>\n</div>\n\n<script>\n  let count = $state(0);\n</script>",
        "success": true,
        "errors": []
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n</script>\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count -= 1}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count += 1}>+</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count--}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count++}>+</button>\n</div>\n\n<script>\n  let count = $state(0);\n</script>",
        "success": true,
        "errors": []
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n  function increment() { count++; }\n  function decrement() { count--; }\n</script>\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={decrement}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={increment}>+</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let count = $state(0);\n</script>\n\n<div class=\"counter\">\n  <button data-testid=\"decrement-button\" onclick={() => count--}>-</button>\n  <span data-testid=\"count-value\">{count}</span>\n  <button data-testid=\"increment-button\" onclick={() => count++}>+</button>\n</div>",
        "success": true,
        "errors": []
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "derived",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 9,
    "pass1": 0.9,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number++}>Increment</button>\n</div>\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n</script>",
        "success": true,
        "errors": [],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet number = $state(5);\n\tlet doubled = $derived(number * 2);\n</script>\n\n<div>\n\t<p data-testid=\"number-value\">Number: {number}</p>\n\t<p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n\t<button data-testid=\"increment-button\" on:click={() => number++}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n\n  function increment() {\n    number += 1;\n  }\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click={increment}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n  \n  function increment() {\n    number = number + 1;\n  }\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click=\"{increment}\">Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  const doubled = $derived(number * 2);\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number++}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n\n  function increment() {\n    number++;\n  }\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click={increment}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click={() => number++}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click={() => number++}>Increment</button>\n</div>\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n</script>",
        "success": true,
        "errors": []
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  const doubled = $derived(number * 2);\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\">Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Number: 6\u001b[39m\nReceived:\n\u001b[31m  Number: 5\u001b[39m"
        ]
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $derived(number * 2);\n</script>\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number++}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "derived-by",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 4,
    "pass1": 0.4,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n  $state('') text;\n  const wordCount = $derived.by(() => text.split(/\\s+/).filter(w => w.length > 0).length);\n  const charCount = $derived.by(() => text.length);\n  const isLong = $derived.by(() => wordCount > 15);\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" on:click={() => { text = ''; }}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/derived-by_sample0_ffe17e41c2488227/Component.svelte:4:13 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('')\n  \n  $derived words = $derived.by(() => {\n    return text.split(/\\s+/).filter(w => w.length > 0).length\n  })\n  \n  $derived chars = $derived.by(() => {\n    return text.length\n  })\n  \n  $derived isLong = $derived.by(() => {\n    return words > 15\n  })\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={() => text = ''}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {words}</p>\n    <p data-testid=\"char-count\">Characters: {chars}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/derived-by_sample1_fa620b3634f16c26/Component.svelte:6:11 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('');\n  \n  $derived.by wordCount = text.split(/\\s+/).filter(w => w).length;\n  $derived.by charCount = text.length;\n  $derived.by isLong = wordCount > 15;\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" on:click={() => text = ''}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/derived-by_sample2_188f0c2bf21e5171/Component.svelte:6:14 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  $state('') text;\n  const metrics = $derived.by(() => {\n    const words = text.trim().split(/\\s+/).length || 0;\n    const chars = text.length;\n    const long = words > 15;\n    return { words, chars, long };\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={() => text = ''}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {metrics.words}</p>\n    <p data-testid=\"char-count\">Characters: {metrics.chars}</p>\n    <p data-testid=\"length-indicator\">Status: {metrics.long ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/derived-by_sample3_7d209e822ae27759/Component.svelte:4:13 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet text = $state('');\n\n\tlet wordCount = $derived.by(() => {\n\t\tif (!text) return 0;\n\t\treturn text.trim().split(/\\s+/).length;\n\t});\n\n\tlet charCount = $derived.by(() => text.length);\n\n\tlet isLong = $derived.by(() => wordCount > 15);\n</script>\n\n<div>\n\t<input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n\t<button data-testid=\"clear-button\" on:click={() => text = ''}>Clear</button>\n\t<div>\n\t\t<p data-testid=\"word-count\">Words: {wordCount}</p>\n\t\t<p data-testid=\"char-count\">Characters: {charCount}</p>\n\t\t<p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n\t</div>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('');\n  \n  const wordCount = $derived.by(() => {\n    return text.trim().split(/\\s+/).filter(w => w.length > 0).length;\n  });\n  \n  const charCount = $derived.by(() => {\n    return text.length;\n  });\n  \n  const isLong = $derived.by(() => {\n    return wordCount > 15;\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={text = ''}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "Cannot convert object to primitive value"
        ]
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state(\"\");\n  \n  const wordCount = $derived.by(() => {\n    const trimmed = text.trim();\n    if (!trimmed) return 0;\n    return trimmed.split(/\\s+/).length;\n  });\n  \n  const charCount = $derived.by(() => text.length);\n  \n  const isLong = $derived.by(() => wordCount > 15);\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={() => { text = \"\"; }}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? \"Long text\" : \"Short text\"}</p>\n  </div>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('');\n  \n  const wordCount = $derived.by(() => {\n    if (!text || !text.trim()) return 0;\n    return text.split(/\\s+/).filter(w => w).length;\n  });\n  \n  const charCount = $derived.by(() => text.length);\n  \n  const isLong = $derived.by(() => wordCount > 15);\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={() => text = ''}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('');\n  \n  const metrics = $derived.by(() => {\n    const words = text.split(/\\s+/).filter(w => w.trim().length > 0).length;\n    return {\n      wordCount: words,\n      charCount: text.length,\n      isLong: words > 15\n    };\n  });\n  \n  function clearText() {\n    text = '';\n  }\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\" onclick={clearText}>Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {metrics.wordCount}</p>\n    <p data-testid=\"char-count\">Characters: {metrics.charCount}</p>\n    <p data-testid=\"length-indicator\">Status: {metrics.isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  $state('') text;\n  \n  const { words, chars, isLong } = $derived.by(() => {\n    const wordCount = text.split(/\\s+/).filter(w => w.length > 0).length;\n    const charCount = text.length;\n    const longEnough = wordCount > 15;\n    return { wordCount, charCount, longEnough };\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <button data-testid=\"clear-button\">Clear</button>\n  <div>\n    <p data-testid=\"word-count\">Words: {words}</p>\n    <p data-testid=\"char-count\">Characters: {chars}</p>\n    <p data-testid=\"length-indicator\">Status: {isLong ? 'Long text' : 'Short text'}</p>\n  </div>\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/derived-by_sample9_206a370186af3610/Component.svelte:4:13 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "each",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 10,
    "pass1": 1,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push(\"George\")}>Add George</button>\n</div>",
        "success": true,
        "errors": [],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push(\"George\")}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" onclick={() => characters.push(\"George\")}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n  \n  function addGeorge() {\n    characters.push(\"George\");\n  }\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" onclick={addGeorge}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet characters = $state(['Jerry', 'Elaine', 'Kramer']);\n</script>\n\n<div>\n\t<ul data-testid=\"characters-list\">\n\t\t{#each characters as character}\n\t\t\t<li data-testid=\"character\">{character}</li>\n\t\t{/each}\n\t</ul>\n\t<button data-testid=\"add-george-button\" onclick={() => characters.push('George')}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push(\"George\")}>Add George</button>\n</div>\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>",
        "success": true,
        "errors": []
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state(['Jerry', 'Elaine', 'Kramer']);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push('George')}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n\t\n\tfunction addGeorge() {\n\t\tcharacters.push(\"George\");\n\t}\n</script>\n\n<div>\n\t<ul data-testid=\"characters-list\">\n\t\t{#each characters as character}\n\t\t\t<li data-testid=\"character\">{character}</li>\n\t\t{/each}\n\t</ul>\n\t<button data-testid=\"add-george-button\" on:click={addGeorge}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push('George')}>Add George</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let characters = $state([\"Jerry\", \"Elaine\", \"Kramer\"]);\n</script>\n\n<div>\n  <ul data-testid=\"characters-list\">\n    {#each characters as character}\n      <li data-testid=\"character\">{character}</li>\n    {/each}\n  </ul>\n  <button data-testid=\"add-george-button\" on:click={() => characters.push(\"George\")}>\n    Add George\n  </button>\n</div>",
        "success": true,
        "errors": []
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "effect",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 3,
    "pass1": 0.30000000000000004,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = 5;\n  let doubled;\n\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" on:click={() => number++}>Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Number: 6\u001b[39m\nReceived:\n\u001b[31m  Number: 5\u001b[39m"
        ],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $state(0);\n  \n  $effect(() => {\n    doubled = number * 2;\n  });\n  \n  function increment() {\n    number++;\n  }\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={increment}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = 5;\n  let doubled;\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\">Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Number: 6\u001b[39m\nReceived:\n\u001b[31m  Number: 5\u001b[39m"
        ]
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $state(0);\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number = number + 1}>Increment</button>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled;\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number++}>Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 12\u001b[39m\nReceived:\n\u001b[31m  Doubled: 10\u001b[39m"
        ]
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled;\n\n  $effect(() => {\n    doubled = number * 2;\n  });\n\n  function increment() {\n    number++;\n  }\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={increment}>Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 12\u001b[39m\nReceived:\n\u001b[31m  Doubled: 10\u001b[39m"
        ]
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled;\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick=\"{() => number++}\">Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 12\u001b[39m\nReceived:\n\u001b[31m  Doubled: 10\u001b[39m"
        ]
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = 5;\n  let doubled;\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick={() => number++}>Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Number: 6\u001b[39m\nReceived:\n\u001b[31m  Number: 5\u001b[39m"
        ]
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = 5;\n  let doubled;\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick=\"{() => number++}\">Increment</button>\n</div>",
        "success": false,
        "errors": [
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Doubled: 10\u001b[39m\nReceived:\n\u001b[31m  Doubled:\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31melement\u001b[39m\u001b[2m).toHaveTextContent()\u001b[22m\n\nExpected element to have text content:\n\u001b[32m  Number: 6\u001b[39m\nReceived:\n\u001b[31m  Number: 5\u001b[39m"
        ]
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let number = $state(5);\n  let doubled = $state(0);\n\n  $effect(() => {\n    doubled = number * 2;\n  });\n</script>\n\n<div>\n  <p data-testid=\"number-value\">Number: {number}</p>\n  <p data-testid=\"doubled-value\">Doubled: {doubled}</p>\n  <button data-testid=\"increment-button\" onclick=\"{() => number = number + 1}\">Increment</button>\n</div>",
        "success": true,
        "errors": []
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "hello-world",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 9,
    "pass1": 0.9,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n<style>\n.greeting {\n    color: blue;\n    text-align: center;\n    margin: 10px;\n}\n</style>",
        "success": true,
        "errors": [],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n.greeting {\n    color: blue;\n    text-align: center;\n    margin: 1rem;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n.greeting {\n\tcolor: blue;\n\ttext-align: center;\n\tmargin: 1rem auto;\n\tdisplay: block;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n\t// HelloWorld component\n</script>\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n\t.greeting {\n\t\tcolor: blue;\n\t\ttext-align: center;\n\t\tmargin: 10px;\n\t}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</style>\n<style>\n.greeting {\n    color: blue;\n    text-align: center;\n    margin: 20px;\n}\n</style>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/hello-world_sample4_ca96568ff984925b/Component.svelte:3:58 `</style>` attempted to close an element that was not open\nhttps://svelte.dev/e/element_invalid_closing_tag"
        ]
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n<style>\n.greeting {\n\tcolor: blue;\n\ttext-align: center;\n\tmargin: 1rem;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n</script>\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n.greeting {\n\tcolor: blue;\n\ttext-align: center;\n\tmargin: 0.5rem;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n<style>\n.greeting {\n    color: blue;\n    text-align: center;\n    margin: 10px;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n.greeting {\n  color: blue;\n  text-align: center;\n  margin: 1rem auto;\n  display: block;\n}\n</style>",
        "success": true,
        "errors": []
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<div data-testid=\"greeting\" class=\"greeting\">Hello, World!</div>\n\n<style>\n.greeting {\n\tcolor: blue;\n\ttext-align: center;\n\tmargin: 10px;\n}\n</style>",
        "success": true,
        "errors": []
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "inspect",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 1,
    "pass1": 0.09999999999999998,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('Hello world');\n  $inspect(text);\n  $inspect(text).with((value) => {});\n  $effect(() => { $inspect.trace(); });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "expected 'Hello world\\n$effect(...) (tmp/​sampl…' to contain 'init'",
          "expected 'Hello world\\n$effect(...) (tmp/​sampl…' to contain 'init'",
          "expected 'Hello world\\n$effect(...) (tmp/​sampl…' to contain 'init'"
        ],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state(\"Hello world\");\n  const inspected = $inspect(text);\n  \n  $effect(() => {\n    inspected.trace();\n  });\n  \n  inspected.with(() => {\n    // custom callback on update\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "Cannot read properties of undefined (reading 'with')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'with')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'with')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'with')\n\n\tin <unknown>\n"
        ]
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('Hello world');\n  \n  $inspect(text).log();\n  \n  $inspect(text).with(() => {});\n  \n  $effect(() => {\n    $inspect.trace();\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n"
        ]
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state(\"Hello world\");\n  \n  $inspect(text);\n  \n  $inspect(text).with((value) => {\n    console.log(\"Custom callback:\", value);\n  });\n  \n  $effect(() => {\n    $inspect.trace(text);\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state(\"Hello world\")\n  \n  $inspect(text).with((oldValue, newValue) => {\n  })\n  \n  $effect(() => {\n    $inspect(text).trace()\n  })\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n"
        ]
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tlet text = $state('Hello world');\n\t\n\t$inspect(text).log();\n\t\n\t$inspect(text).with((oldValue, newValue) => {\n\t  console.log('Text updated: ' + oldValue + ' -> ' + newValue);\n\t});\n\t\n\t$effect(() => {\n\t  $inspect(text).trace();\n\t});\n</script>\n\n<div>\n\t<input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n\t<p data-testid=\"text-value\">Current text: \"{text}\"</p>\n\t<p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n",
          "Cannot read properties of undefined (reading 'log')\n\n\tin <unknown>\n"
        ]
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('Hello world');\n  $inspect(text).with(() => {});\n  $effect(() => {\n    $inspect.trace(text);\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "expected '[object Object] %cno reactive depende…' to contain 'init'",
          "expected '[object Object] %cno reactive depende…' to contain 'init'",
          "expected '[object Object] %cno reactive depende…' to contain 'init'"
        ]
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state(\"Hello world\");\n  \n  $inspect(text).with(() => {\n    console.log(\"Text value changed:\", text);\n  });\n  \n  $effect(() => {\n    $inspect.trace();\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "expected 'Text value changed: Hello world\\n$eff…' to contain 'init'",
          "expected 'Text value changed: Hello world\\n$eff…' to contain 'init'",
          "expected 'Text value changed: Hello world\\n$eff…' to contain 'init'"
        ]
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('Hello world')\n  \n  $inspect(text).with(() => {})\n  \n  $effect(() => {\n    $inspect.trace()\n  })\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "expected '$effect(...) (tmp/​samples/​openroute…' to contain 'init'",
          "expected '$effect(...) (tmp/​samples/​openroute…' to contain 'init'",
          "expected '$effect(...) (tmp/​samples/​openroute…' to contain 'init'"
        ]
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let text = $state('Hello world');\n  \n  $inspect(text);\n  \n  $inspect(text).with(value => {\n    // custom callback\n  });\n  \n  $effect(() => {\n    $inspect(text).trace();\n  });\n</script>\n\n<div>\n  <input data-testid=\"text-input\" type=\"text\" bind:value={text} />\n  <p data-testid=\"text-value\">Current text: \"{text}\"</p>\n  <p data-testid=\"char-count\">Character count: {text.length}</p>\n</div>",
        "success": false,
        "errors": [
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n",
          "Cannot read properties of undefined (reading 'trace')\n\n\tin $effect\n\tin Component.svelte\n\tin undefined\n"
        ]
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "props",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 3,
    "pass1": 0.30000000000000004,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<svelte>\n  <script>\n    const { name = \"World\", count: countProp = 0, showDetails = false } = $props();\n    let count = $state(countProp);\n  </script>\n\n  <div>\n    <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n    <p data-testid=\"count-display\">Count: {count}</p>\n    <button data-testid=\"increment-button\" on:click={() => count++}>Increment</button>\n\n    {#if showDetails}\n      <div data-testid=\"details\">\n        <p>Name is {name}</p>\n        <p>Count is {count}</p>\n        <p>ShowDetails is {showDetails}</p>\n      </div>\n    {/if}\n  </div>\n</svelte>",
        "success": false,
        "errors": [
          "count is not defined\n\n\tin <unknown>\n",
          "count is not defined\n\n\tin <unknown>\n",
          "count is not defined\n\n\tin <unknown>\n",
          "count is not defined\n\n\tin <unknown>\n"
        ],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const { name, count: countProp, showDetails } = $props({\n    name: 'World',\n    count: 0,\n    showDetails: false\n  });\n  let count = $state(countProp);\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" onclick={() => count++}>Increment</button>\n\n  {{#if showDetails}}\n  <div data-testid=\"details\">\n    <p>Name is {name}</p>\n    <p>Count is {count}</p>\n    <p>ShowDetails is {showDetails}</p>\n  </div>\n  {{/if}}\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/props_sample1_29b29e706fd9cbe1/Component.svelte:17:4 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const { name = \"World\", count: propCount = 0, showDetails = false } = $props();\n  const count = $state(propCount);\n\n  function increment() {\n    count += 1;\n  }\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" on:click={increment}>Increment</button>\n\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {count}</p>\n      <p>ShowDetails is {showDetails}</p>\n    </div>\n  {/if}\n</div>",
        "success": false,
        "errors": [
          "tmp/samples/openrouter/props_sample2_844cd99bb343e870/Component.svelte:8:4 Cannot assign to constant\nhttps://svelte.dev/e/constant_assignment"
        ]
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  export const { name = \"World\", count: propCount = 0, showDetails = false } = $props();\n  let count = $state(propCount);\n</script>\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" on:click={() => count++}>Increment</button>\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {count}</p>\n      <p>ShowDetails is true</p>\n    </div>\n  {/if}\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const { name = \"World\", count: propCount = 0, showDetails = false } = $props();\n  let count = $state(propCount);\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" on:click={() => count++}>Increment</button>\n\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {count}</p>\n      <p>ShowDetails is true</p>\n    </div>\n  {/if}\n</div>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n  export const $props = {\n    name: \"World\",\n    count: 0,\n    showDetails: false\n  }\n\n  let countValue = $state(0)\n\n  function increment() {\n    countValue++\n  }\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {countValue}</p>\n  <button data-testid=\"increment-button\" on:click={increment}>Increment</button>\n\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {countValue}</p>\n      <p>ShowDetails is true</p>\n    </div>\n  {/if}\n</div>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/props_sample5_651cc8cdd88ff556/Component.svelte:4:15 The $ prefix is reserved, and cannot be used for variables and imports\nhttps://svelte.dev/e/dollar_prefix_invalid"
        ]
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n      const { name = \"World\", count = 0, showDetails = false } = $props();\n      let displayName = name;\n      let displayCount = $state(count);\n      let displayShowDetails = showDetails;\n    </script>\n\n    <div>\n      <h1 data-testid=\"name-display\">Hello, {displayName}!</h1>\n      <p data-testid=\"count-display\">Count: {displayCount}</p>\n      <button data-testid=\"increment-button\" on:click={e => displayCount++}>Increment</button>\n\n      {#if displayShowDetails}\n        <div data-testid=\"details\">\n          <p>Name is {displayName}</p>\n          <p>Count is {displayCount}</p>\n          <p>ShowDetails is true</p>\n        </div>\n      {/if}\n    </div>",
        "success": true,
        "errors": []
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const { name = \"World\", count: propCount = 0, showDetails = false } = $props();\n  const count = $state(propCount);\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" on:click={() => count += 1}>Increment</button>\n\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {count}</p>\n      <p>ShowDetails is {showDetails}</p>\n    </div>\n  {/if}",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/props_sample7_2aac81b5023a5025/Component.svelte:8:0 `<div>` was left open\nhttps://svelte.dev/e/element_unclosed"
        ]
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n\tconst { name = \"World\", countProp = 0, showDetails = false } = $props();\n\tlet count = $state(countProp);\n</script>\n\n<div>\n\t<h1 data-testid=\"name-display\">Hello, {name}!</h1>\n\t<p data-testid=\"count-display\">Count: {count}</p>\n\t<button data-testid=\"increment-button\" on:click={() => count += 1}>Increment</button>\n\n\t{#if showDetails}\n\t\t<div data-testid=\"details\">\n\t\t\t<p>Name is {name}</p>\n\t\t\t<p>Count is {count}</p>\n\t\t\t<p>ShowDetails is {showDetails}</p>\n\t\t</div>\n\t{/if}\n</div>",
        "success": false,
        "errors": [
          "expected 'Count: 0' to match /5/",
          "expected 'Count: 0' to match /10/"
        ]
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n  export const { name, count: propCount, showDetails } = $props({\n    name: \"World\",\n    count: 0,\n    showDetails: false\n  });\n\n  let count = $state(0);\n</script>\n\n<div>\n  <h1 data-testid=\"name-display\">Hello, {name}!</h1>\n  <p data-testid=\"count-display\">Count: {count}</p>\n  <button data-testid=\"increment-button\" on:click=\"{() => count++}\">Increment</button>\n\n  {#if showDetails}\n    <div data-testid=\"details\">\n      <p>Name is {name}</p>\n      <p>Count is {count}</p>\n      <p>ShowDetails is true</p>\n    </div>\n  {/if}\n</div>",
        "success": false,
        "errors": [
          "tmp/samples/openrouter/props_sample9_ce11658586ed000b/Component.svelte:4:57 `$props` cannot be called with arguments\nhttps://svelte.dev/e/rune_invalid_arguments"
        ]
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  },
  {
    "testName": "snippets",
    "provider": "OpenRouter",
    "modelId": "nvidia/nemotron-3.5-lightning",
    "numSamples": 10,
    "numCorrect": 1,
    "pass1": 0.09999999999999998,
    "pass10": 1,
    "context": {
      "used": false,
      "content": ""
    },
    "samples": [
      {
        "index": 0,
        "code": "<svelte:options runes={true} />\n\n<script>\n  import { h } from 'svelte';\n\n  const books = ['The Lord of the Rings', 'To Kill a Mockingbird', '1984'];\n\n  const BookTitle = (title) => {\n    return h('span', { 'data-testid': 'book-title' }, title);\n  };\n</script>\n\n<ul>\n  {@each books as book}\n    <li data-testid=\"book-item\">\n      {@render BookTitle(book)}\n    </li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample0_d0715fc7709c433c/Component.svelte:14:4 Expected 'html', 'render', 'attach', 'const', or 'debug'\nhttps://svelte.dev/e/expected_tag"
        ],
        "temperature": 0
      },
      {
        "index": 1,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n  const title = ($book) => `<span data-testid=\"book-title\">${$book}</span>`;\n</script>\n<ul>\n  {@each books as book}\n    <li data-testid=\"book-item\">{@render title}($book)</li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample1_8eaa3a9359af8085/Component.svelte:8:4 Expected 'html', 'render', 'attach', 'const', or 'debug'\nhttps://svelte.dev/e/expected_tag"
        ]
      },
      {
        "index": 2,
        "code": "<svelte:options runes={true} />\n\n<script>\n  let books = ['The Lord of the Rings', 'To Kill a Mockingbird', '1984'];\n  export let title;\n</script>\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">{@render title(book)}</li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "tmp/samples/openrouter/snippets_sample2_858be6398d40da07/Component.svelte:5:2 Cannot use `export let` in runes mode — use `$props()` instead\nhttps://svelte.dev/e/legacy_export_invalid"
        ]
      },
      {
        "index": 3,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n\n  const title = |book| {\n    <span data-testid=\"book-title\">{book}</span>\n  };\n</script>\n\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">{@render title(book)}</li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample3_e4034add4f39ee1d/Component.svelte:6:16 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 4,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\n    \"The Lord of the Rings\",\n    \"To Kill a Mockingbird\",\n    \"1984\"\n  ];\n</script>\n\n{#snippet title(book)}\n  <span data-testid=\"book-title\">{book}</span>\n{/snippet}\n\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">{@render title(book)}</li>\n  {/each}\n</ul>",
        "success": true,
        "errors": []
      },
      {
        "index": 5,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n</script>\n\n@snippet title($book) {\n  <span data-testid=\"book-title\">{$book}</span>\n}\n\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">\n      {@render title(book)}\n    </li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample5_618622dc4ceb780d/Component.svelte:8:2 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      },
      {
        "index": 6,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n  \n  const title = (book) => `<span data-testid=\"book-title\">${book}</span>`\n</script>\n\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">{@render title(book)}</li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "Unable to find an element by: [data-testid=\"book-title\"]\n\nIgnored nodes: comments, script, style\n\u001b[36m<body>\u001b[39m\n  \u001b[36m<div>\u001b[39m\n    \u001b[36m<ul>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[0m\u001b[0m\n    \u001b[36m</ul>\u001b[39m\n    \u001b[0m\u001b[0m\n  \u001b[36m</div>\u001b[39m\n\u001b[36m</body>\u001b[39m",
          "Unable to find an element by: [data-testid=\"book-title\"]\n\nIgnored nodes: comments, script, style\n\u001b[36m<body>\u001b[39m\n  \u001b[36m<div>\u001b[39m\n    \u001b[36m<ul>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[0m\u001b[0m\n    \u001b[36m</ul>\u001b[39m\n    \u001b[0m\u001b[0m\n  \u001b[36m</div>\u001b[39m\n\u001b[36m</body>\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31mreceived\u001b[39m\u001b[2m).toBeInTheDocument()\u001b[22m\n\n\u001b[31mreceived\u001b[39m value must be an HTMLElement or an SVGElement.\nReceived has type:  Null\nReceived has value: \u001b[31mnull\u001b[39m"
        ]
      },
      {
        "index": 7,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n</script>\n\n{@snippet title(bookTitle)}\n  <span data-testid=\"book-title\">{bookTitle}</span>\n{/snippet}\n\n{@each books as book}\n  <li data-testid=\"book-item\">\n    {@render title(book)} {/render}\n  </li>\n{/each}",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample7_72ede4a52cc0db8c/Component.svelte:7:2 Expected 'html', 'render', 'attach', 'const', or 'debug'\nhttps://svelte.dev/e/expected_tag"
        ]
      },
      {
        "index": 8,
        "code": "<svelte:options runes={true} />\n\n<script>\n  const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n  \n  const title = (bookTitle) => `<span data-testid=\"book-title\">${bookTitle}</span>`;\n</script>\n\n<ul>\n  {#each books as book}\n    <li data-testid=\"book-item\">{@render title(book)}</li>\n  {/each}\n</ul>",
        "success": false,
        "errors": [
          "Unable to find an element by: [data-testid=\"book-title\"]\n\nIgnored nodes: comments, script, style\n\u001b[36m<body>\u001b[39m\n  \u001b[36m<div>\u001b[39m\n    \u001b[36m<ul>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[0m\u001b[0m\n    \u001b[36m</ul>\u001b[39m\n    \u001b[0m\u001b[0m\n  \u001b[36m</div>\u001b[39m\n\u001b[36m</body>\u001b[39m",
          "Unable to find an element by: [data-testid=\"book-title\"]\n\nIgnored nodes: comments, script, style\n\u001b[36m<body>\u001b[39m\n  \u001b[36m<div>\u001b[39m\n    \u001b[36m<ul>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[36m<li\u001b[39m\n        \u001b[33mdata-testid\u001b[39m=\u001b[32m\"book-item\"\u001b[39m\n      \u001b[36m/>\u001b[39m\n      \u001b[0m\u001b[0m\n    \u001b[36m</ul>\u001b[39m\n    \u001b[0m\u001b[0m\n  \u001b[36m</div>\u001b[39m\n\u001b[36m</body>\u001b[39m",
          "\u001b[2mexpect(\u001b[22m\u001b[31mreceived\u001b[39m\u001b[2m).toBeInTheDocument()\u001b[22m\n\n\u001b[31mreceived\u001b[39m value must be an HTMLElement or an SVGElement.\nReceived has type:  Null\nReceived has value: \u001b[31mnull\u001b[39m"
        ]
      },
      {
        "index": 9,
        "code": "<svelte:options runes={true} />\n\n<script>\n      const books = [\"The Lord of the Rings\", \"To Kill a Mockingbird\", \"1984\"];\n      const title = (book: string) => `<span data-testid=\"book-title\">${book}</span>`;\n    </script>\n\n    <ul>\n      {#each books as book}\n        <li data-testid=\"book-item\">{@render title(book)}</li>\n      {/each}\n    </ul>",
        "success": false,
        "errors": [
          "svelte-bench/tmp/samples/openrouter/snippets_sample9_12cafb6b0a93d346/Component.svelte:5:25 Unexpected token\nhttps://svelte.dev/e/js_parse_error"
        ]
      }
    ],
    "timestamp": "2026-08-14T22:43:28.816Z"
  }
]