style: apply prettier formatting

Apply consistent formatting across all files (line endings, spacing)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

vitest.config.ts

@@ -1,4 +1,4 @@
-import { defineConfig } from 'vitest/config';
+import { defineConfig } from 'vitest/config'
 
 export default defineConfig({
   test: {
@@ -9,7 +9,7 @@ export default defineConfig({
     setupFiles: ['tests/setup.ts'],
     coverage: {
       provider: 'v8',
-      reporter: ['text', 'json', 'html'],
-    },
-  },
-});
+      reporter: ['text', 'json', 'html']
+    }
+  }
+})