.dockerignore excluded plugin/, which is now a compiled package
(plugin/embed.go embeds SKILL.md). Add .gcloudignore so source uploads
skip node_modules; anchor /bdrive so cmd/bdrive isn't excluded.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UdqEkKvj4Dc2d718mcV6EY
