19ab3b3931
MARINE was a composite mode that ran both AIS and VDES decoders simultaneously. It is now fully replaced by allocating two virtual channels — one tuned to the AIS frequencies and one to VDES — each decoded independently. - trx-core/state: remove RigMode::MARINE variant - trx-protocol/codec: remove MARINE parse/serialize - trx-backend-ft817: remove MARINE from unsupported-mode guard - trx-backend-ft450d: remove MARINE from FM CAT code mapping - trx-backend-soapysdr: remove MARINE from bandwidth table, supported modes list, AIS channel activity check, parse_rig_mode, vchan_impl bandwidth table, demod selection, dsp/channel bandwidth / sample-rate / IQ-tap guards - trx-server/audio: remove MARINE from AIS and VDES decoder activation - trx-server/rig_task: remove MARINE from audio-streaming mode list - trx-server/main: remove MARINE from bandwidth table, mode parser, VDES channel subscription match - app.js: remove isMarineMode(), MARINE entry in MODE_BW_SPECS, MARINE bandwidth specs block in visibleBandwidthSpecs(), MARINE from decoder status mode lists, MARINE BW-edge drag guard Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Signed-off-by: Stan Grams <sjg@haxx.space>