The bundle embeds package.json, so a release bump without a rebuild trips
the publish workflow's freshness gate. Rebuild for v0.4.0 and make the
release recipe do it automatically.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RErsihpfppjyZ37vQuRwKb