ConstReadonlyCLEAR: "hiyve:annotation:clear"ReadonlyLOCK: "hiyve:annotation:lock"Owner-only command: when locked, only the owner can draw.
ReadonlySTATE_REQUEST: "hiyve:annotation:state-request"ReadonlySTATE_RESPONSE: "hiyve:annotation:state-response"ReadonlySTROKE_APPEND: "hiyve:annotation:stroke-append"ReadonlySTROKE_BEGIN: "hiyve:annotation:stroke-begin"ReadonlySTROKE_END: "hiyve:annotation:stroke-end"
Data-message types over the WebRTC data channel. Each is namespaced with
hiyve:annotation:so they don't collide with other features (presenter sync, reactions, instrument transport, etc.).