fix(DestinationLocal): Fix debug log rendering, add fallback for unknown log levels, and correct error prefix typo in local destination

test/test.destination-local.node.ts

@@ -92,5 +92,23 @@ tap.test('should create new line(s)', async () => {
   // Multiple lines
   testDestination.newLine(3);
 });
+// Test debug level rendering and fallback for unknown levels
+tap.test('should handle debug and unknown log levels', async () => {
+  testDestination = new DestinationLocal();
+  let out = '';
+  const originalLog = console.log;
+  console.log = (msg: string) => { out += msg; };
+
+  // debug level should render message correctly
+  await testDestination.handleLog(createMockLogPackage('debug', 'debug 🎉'));
+  expect(out).toContain('debug 🎉');
+
+  // fallback for unknown level should still render message
+  out = '';
+  await testDestination.handleLog(createMockLogPackage('verbose' as any, 'verbose ⚠️'));
+  expect(out).toContain('verbose ⚠️');
+
+  console.log = originalLog;
+});
 
 export default tap.start();