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_darwin.go

@@ -0,0 +1,16 @@
+//go:build darwin
+
+package config
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func platformNavisDir() (string, bool) {
+	base, err := os.UserConfigDir()
+	if err != nil {
+		return "", false
+	}
+	return filepath.Join(base, "Navis"), true
+}