diff --git a/lib/builtin/claude/src/extension.dart b/lib/builtin/claude/src/extension.dart
index d6efc788..93023957 100644
--- a/lib/builtin/claude/src/extension.dart
+++ b/lib/builtin/claude/src/extension.dart
@@ -23,10 +23,15 @@ import 'package:flutter/widgets.dart';
 
 /// D-6 contract (T-391): a failed command returns an ERROR envelope (non-zero
 /// CLI exit), never `ok` with an `error` field a script can't detect.
-IpcResponse _userErr(String msg, {String? hint}) =>
-    IpcResponse.err(id: '', error: IpcError(code: IpcExitCode.userError, kind: IpcErrorKind.userError, message: msg, hint: hint));
+IpcResponse _userErr(String msg, {String? hint}) => IpcResponse.err(
+  id: '',
+  error: IpcError(code: IpcExitCode.userError, kind: IpcErrorKind.userError, message: msg, hint: hint),
+);
 
-IpcResponse _notFound(String msg) => IpcResponse.err(id: '', error: IpcError(code: IpcExitCode.notFound, kind: IpcErrorKind.notFound, message: msg));
+IpcResponse _notFound(String msg) => IpcResponse.err(
+  id: '',
+  error: IpcError(code: IpcExitCode.notFound, kind: IpcErrorKind.notFound, message: msg),
+);
 
 class ClaudeExtension extends ClideExtension {
   @override
diff --git a/test/kernel/src/extensions_manager_test.dart b/test/kernel/src/extensions_manager_test.dart
index da248e83..f724dddc 100644
--- a/test/kernel/src/extensions_manager_test.dart
+++ b/test/kernel/src/extensions_manager_test.dart
@@ -321,13 +321,23 @@ void main() {
     group('lifecycle hardening (T-377)', () {
       test('a throw mid-contribution unwinds everything already mounted', () async {
         // The tab mounts first, then the duplicate command id throws.
-        f.services.commands.register(CommandContribution(id: 'taken', command: 'taken.cmd', run: (_) async => IpcResponse.ok(id: '')));
+        f.services.commands.register(
+          CommandContribution(
+            id: 'taken',
+            command: 'taken.cmd',
+            run: (_) async => IpcResponse.ok(id: ''),
+          ),
+        );
         f.services.extensions.register(
           _Ext(
             id: 'half-mounts',
             contributions: [
               TabContribution(id: 'half.view', slot: Slots.workspace, title: 'T', build: (_) => const SizedBox.shrink()),
-              CommandContribution(id: 'half.cmd', command: 'taken.cmd', run: (_) async => IpcResponse.ok(id: '')),
+              CommandContribution(
+                id: 'half.cmd',
+                command: 'taken.cmd',
+                run: (_) async => IpcResponse.ok(id: ''),
+              ),
             ],
           ),
         );