Hatchmate templates resolving to claude-sonnet-5, claude-haiku-4-5 or
airouter-deepseekv4flash mounted only gitea-ssh/v1 and could not clone
hatchmate/hatchmate-agents. Mirror the existing -hatchmate composites:
non-hatchmate base layers plus gitea-ssh-hatchmate/v1 after gitea-ssh/v1 (HC-26).
Claude-Session: https://claude.ai/code/session_01N218bERyNeLhbLmDRDvbWF
