fix(pre-commit): autofix JSON formatting instead of failing

Add --autofix to pretty-format-json so the hook rewrites files in place
rather than requiring manual intervention. Also applies the resulting key
ordering fixes to settings.json files.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.claude/settings.json

@@ -1,9 +1,9 @@
 {
+  "enabledPlugins": {
+    "bin@holocron": true,
+    "kyberforge@holocron": true
+  },
   "hooks": {
     "PreToolUse": []
-  },
-  "enabledPlugins": {
-    "kyberforge@holocron": true,
-    "bin@holocron": true
   }
 }