Add min_freq_step_hz to RigCapabilities, set backend values, and make HTTP frontend parse suffix-less frequency input using the selected unit while snapping set/jog frequencies to rig step granularity.
Co-authored-by: Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
Move the frontend and backend crate trees to live physically under their
respective binary crate directories, grouping related code together
without merging crate boundaries. Also flatten sub-crate nesting by
moving them out of src/ subdirectories into direct children.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>