fix(sorting): sort numeric names naturally

tests/natural-sort.test.mjs

@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+const { compareNaturalNames } = await import(
+  new URL('../src/lib/utils/natural-sort.ts', import.meta.url)
+);
+
+test('sorts numeric name segments by numeric value', () => {
+  const names = ['10g', '11g', '12g', '5g', '6g', '7g', '8g', '9g'];
+
+  assert.deepEqual(names.sort(compareNaturalNames), [
+    '5g',
+    '6g',
+    '7g',
+    '8g',
+    '9g',
+    '10g',
+    '11g',
+    '12g'
+  ]);
+});
+
+test('sorts numbers naturally wherever they appear in a name', () => {
+  const names = ['Class 10b', 'Class 2b', 'Class 10a', 'Class 2a'];
+
+  assert.deepEqual(names.sort(compareNaturalNames), [
+    'Class 2a',
+    'Class 2b',
+    'Class 10a',
+    'Class 10b'
+  ]);
+});