Audit and design video/media delivery for transfer efficiency — codec modernization (AV1/HEVC ladders), adaptive bitrate configuration, resolution caps by context, autoplay policy, preload discipline, and thumbnail/poster strategy. Use this skill whenever the user serves video or audio at scale, shares player configs or encoding ladders, asks about streaming costs/bandwidth, or an audit flags heavy media. Part of Lean Agentic AI Skills; emits lean-findings.json.
