use XDG data directory for log files

pnpm-lock.yaml

@@ -93,6 +93,9 @@ importers:
       ws:
         specifier: ^8.18.3
         version: 8.18.3(bufferutil@4.0.9)
+      xdg-basedir:
+        specifier: ^5.1.0
+        version: 5.1.0
       zod:
         specifier: ^3
         version: 3.25.76
@@ -2701,6 +2704,10 @@ packages:
       utf-8-validate:
         optional: true
 
+  xdg-basedir@5.1.0:
+    resolution: {integrity: sha512-GCPAHLvrIH13+c0SuacwvRYj2SxJXQ4kaVTT5xgL3kPrz56XxkF21IGhjSE1+W0aw7gpBWRGXLCPnPby6lSpmQ==}
+    engines: {node: '>=12'}
+
   xml-name-validator@5.0.0:
     resolution: {integrity: sha512-EvGK8EJ3DhaHfbRlETOWAS5pO9MZITeauHKJyb8wyajUfQUenkIg2MvLDTZ4T/TgIcm3HU0TFBgWWboAZ30UHg==}
     engines: {node: '>=18'}
@@ -5479,6 +5486,8 @@ snapshots:
     optionalDependencies:
       bufferutil: 4.0.9
 
+  xdg-basedir@5.1.0: {}
+
   xml-name-validator@5.0.0:
     optional: true