Fix ESLint extension rule for package imports

Use ignorePackages mode to allow package imports without
extensions while still requiring extensions for relative imports

Author: jdalton

.config/eslint.config.mjs

@@ -225,12 +225,9 @@ export default [
       'import-x/no-unresolved': 'off',
       'import-x/extensions': [
         'error',
-        'never',
+        'ignorePackages',
         {
-          js: 'always',
           json: 'always',
-          ts: 'ignorePackages',
-          mts: 'ignorePackages',
         },
       ],
     },

scripts/claude.mjs

@@ -11,7 +11,7 @@ import { fileURLToPath } from 'node:url'
 
 import colors from 'yoctocolors-cjs'
 
-import { parseArgs } from '@socketsecurity/lib/argv/parse.js'
+import { parseArgs } from '@socketsecurity/lib/argv/parse'
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url))
 const rootPath = path.join(__dirname, '..')

src/objects.ts

@@ -3,7 +3,7 @@
  * Provides object validation and recursive freezing utilities.
  */
 
-import { isObject } from '@socketsecurity/lib/objects.js'
+import { isObject } from '@socketsecurity/lib/objects'
 
 import { LOOP_SENTINEL } from './constants.js'