fix: address cubic 4/5 review issues

- Preserve encoding/callback args in stdout.write wrapper (json-output.ts)
- Restore global console spy in afterEach (server-connection.test.ts)
- Restore console.error spy in afterEach (on-complete-hook.test.ts)

src/cli/run/json-output.ts

@@ -20,9 +20,9 @@ export function createJsonOutputManager(
   const originalWrite = stdout.write.bind(stdout)
 
   function redirectToStderr(): void {
-    stdout.write = function (chunk: string): boolean {
-      return stderr.write(chunk)
-    }
+    stdout.write = function (...args: Parameters<NodeJS.WriteStream["write"]>): boolean {
+      return (stderr.write as Function).apply(stderr, args)
+    } as NodeJS.WriteStream["write"]
   }
 
   function restore(): void {