2d8dfb1a3d
Add an "Auto" button next to the SQL slider that sets the squelch threshold to the current noise floor (estimated from spectrum bins) plus a 6 dB margin. Uses the existing estimateNoiseFloorDb() heuristic. https://claude.ai/code/session_01TDQyrZiPKfWGATVWPsLmHT Signed-off-by: Claude <noreply@anthropic.com>