lightning-channel-factories workflow skill. Use this skill when the user needs Technical reference on Lightning Network channel factories, multi-party channels, LSP architectures, and Bitcoin Layer 2 scaling without soft forks. Covers Decker-Wattenhofer, timeout trees, MuSig2 key aggregation, HTLC/PTLC forwarding, and watchtower breach detection and the operator should preserve the upstream workflow, copied support files, and provenance before merging or handing off.