88ccc7ab81
Add POST endpoints for toggle_aprs_decode, toggle_cw_decode, clear_aprs_decode, and clear_cw_decode. Add toggle buttons in APRS and CW tabs. Render decoder enabled state from SSE updates. Clear button now also resets server-side decoder state. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>