Release 2.7.0: macOS GUI app with the same UI as Windows.

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

internal/update/update_finish_other.go

@@ -0,0 +1,8 @@
+//go:build !windows
+
+package update
+
+// MaybeFinishUpdate is Windows-only (pending exe swap). No-op elsewhere.
+func MaybeFinishUpdate(args []string) bool {
+	return false
+}