Why HeadAmpRow.present is false — a CLOSED code, never prose (R-010): a client
localizes and renders "absent"; the desk sends no sentence.
'no-source': the channel sources nothing — import('./source.js') has no patch to
read a preamp record through. 'no-head-amp': the channel sources something, but its declared
HeadAmpCapability is NO_HEAD_AMP — a PipeWire node, an app stream, a laptop —
there is no pin to put 48 V on (spec §4).
Why HeadAmpRow.present is
false— a CLOSED code, never prose (R-010): a client localizes and renders "absent"; the desk sends no sentence.'no-source': the channel sources nothing — import('./source.js') has no patch to read a preamp record through.'no-head-amp': the channel sources something, but its declared HeadAmpCapability is NO_HEAD_AMP — a PipeWire node, an app stream, a laptop — there is no pin to put 48 V on (spec §4).