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>

providers/claude-code/settings.json

@@ -1,7 +1,7 @@
 {
-  "theme": "dark",
   "statusLine": {
-    "type": "command",
-    "command": "bash ~/.claude/statusline-command.sh"
-  }
+    "command": "bash ~/.claude/statusline-command.sh",
+    "type": "command"
+  },
+  "theme": "dark"
 }