The cloud lane: cloud sessions build cards on the cloud-session credit (#197) Astra labels the best M cards `cloud` (up to 3 in the lane); the launcher on hb-5 starts a claude --cloud session per card on the GitHub copy; sync brings the branch home as a PR that closes the card and moves it cloud -> ready; the heartbeat adopts and the council lands it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017K4vyY3yUD3GsvoZaAtKkD