Create explicit context types for frontend registration and runtime:
FrontendRegistrationContext:
- register_frontend(name, spawner) - register a frontend
- is_frontend_registered(name) - check if registered
- registered_frontends() -> Vec<String> - list all frontends
- spawn_frontend(name, ...) -> DynResult - spawn a frontend
FrontendRuntimeContext (NEW):
- audio_rx: broadcast channel for audio RX
- audio_tx: mpsc channel for audio TX
- audio_info: watch channel for audio stream metadata
- decode_rx: broadcast channel for decoded messages
- aprs_history: Arc<Mutex<VecDeque>> for APRS decode history
- cw_history: Arc<Mutex<VecDeque>> for CW decode history
- ft8_history: Arc<Mutex<VecDeque>> for FT8 decode history
- auth_tokens: HashSet for authentication
Replaces global mutable state with explicit context that can be
threaded through bootstrap. Maintains global API for compatibility.
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.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>
sjg