fix(benchmarks): match CRLF code fences in loc.js

benchmarks/loc.js

@@ -3,7 +3,9 @@
 // Recorded as the `code_loc` metric per arm (always passes; it is a measurement, not a gate).
 module.exports = (output) => {
   const text = String(output || '');
-  const blocks = [...text.matchAll(/```[a-zA-Z0-9_+-]*\n([\s\S]*?)```/g)].map((m) => m[1]);
+  // \r? so CRLF fences match too; without it, CRLF output finds no block and
+  // the whole response (prose included) gets counted. Mirrors correctness.js.
+  const blocks = [...text.matchAll(/```[a-zA-Z0-9_+-]*\r?\n([\s\S]*?)```/g)].map((m) => m[1]);
   // Drop /* ... */ block comments before counting; the line filter below only
   // caught `*`-aligned JSDoc, so plain block comments were miscounted as code.
   const code = (blocks.length ? blocks.join('\n') : text).replace(/\/\*[\s\S]*?\*\//g, '');

benchmarks/loc.test.js

@@ -13,6 +13,8 @@ const cases = [
   ['inline block comment keeps its code line', score('```js\nconst x = 1; /* note */\nconst y = 2;\n```'), 2],
   ['line comments still stripped', score('```js\n// header\nconst x = 1;\n```'), 1],
   ['plain code unchanged', score('```js\nconst a = 1;\nconst b = 2;\n```'), 2],
+  // CRLF-fenced output must still find the block, not fall back to the whole text.
+  ['crlf fences count only the code', score('Here:\r\n```js\r\nconst a = 1;\r\nconst b = 2;\r\n```\r\nDone.'), 2],
 ];
 for (const [name, got, want] of cases) {
   assert.strictEqual(got, want, `FAILED: ${name} (got ${got}, want ${want})`);