fix(music): add musicOptions to help early-return object

Fixes TypeScript build error from missing property in the help flag
early-return path.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: napoleond

packages/atxp/src/index.ts

@@ -135,6 +135,7 @@ function parseArgs(): {
       paasOptions: {},
       paasArgs: [],
       toolArgs: '',
+      musicOptions: {},
       searchOptions: {},
       memoryOptions: {},
       contactsOptions: {},