Release 2.7.1: fix macOS DMG launch, cores path and naive download.

Use UDZO DMG via hdiutil, store cores under Application Support, and match new naiveproxy mac asset names.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/config/paths_default.go

@@ -0,0 +1,7 @@
+//go:build !darwin
+
+package config
+
+func platformNavisDir() (string, bool) {
+	return "", false
+}