fix: resolve Biome lint errors in hooks.ts

- Wrap const declarations in switch cases with curly braces
- Fixes Biome lint error about lexical declarations in case clauses

Author: hongkongkiwi

src/commands/definitions/hooks.ts

@@ -237,10 +237,11 @@ export const hooksCommand: CommandDefinition = {
     let responseMessage = '';
 
     switch (subcommand) {
-      case 'list':
+      case 'list': {
         const showMergedOnly = flags.includes('--merged');
         responseMessage = listHooks(!showMergedOnly);
         break;
+      }
 
       case 'enable':
         hooksManager.setEnabled(true);
@@ -261,10 +262,11 @@ export const hooksCommand: CommandDefinition = {
         responseMessage = showExampleConfig();
         break;
 
-      case 'init':
+      case 'init': {
         const isLocal = flags.includes('--local');
         responseMessage = initializeHooks(isLocal);
         break;
+      }
 
       default:
         responseMessage = showHelp();