[feat](trx-core): add WSPR decode plumbing across stack

Introduce WSPR command/state/protocol/transport wiring and integrate lifecycle, history, and frontend API paths mirroring the FT8 architecture.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>

src/trx-client/trx-frontend/src/lib.rs

@@ -13,7 +13,7 @@ use tokio::sync::{broadcast, mpsc, watch};
 use tokio::task::JoinHandle;
 
 use trx_core::audio::AudioStreamInfo;
-use trx_core::decode::{AprsPacket, CwEvent, DecodedMessage, Ft8Message};
+use trx_core::decode::{AprsPacket, CwEvent, DecodedMessage, Ft8Message, WsprMessage};
 use trx_core::{DynResult, RigRequest, RigState};
 
 /// Trait implemented by concrete frontends to expose a runner entrypoint.
@@ -116,6 +116,8 @@ pub struct FrontendRuntimeContext {
     pub cw_history: Arc<Mutex<VecDeque<(Instant, CwEvent)>>>,
     /// FT8 decode history (timestamp, message)
     pub ft8_history: Arc<Mutex<VecDeque<(Instant, Ft8Message)>>>,
+    /// WSPR decode history (timestamp, message)
+    pub wspr_history: Arc<Mutex<VecDeque<(Instant, WsprMessage)>>>,
     /// Authentication tokens for HTTP-JSON frontend
     pub auth_tokens: HashSet<String>,
     /// Guard to avoid spawning duplicate decode collectors.
@@ -133,6 +135,7 @@ impl FrontendRuntimeContext {
             aprs_history: Arc::new(Mutex::new(VecDeque::new())),
             cw_history: Arc::new(Mutex::new(VecDeque::new())),
             ft8_history: Arc::new(Mutex::new(VecDeque::new())),
+            wspr_history: Arc::new(Mutex::new(VecDeque::new())),
             auth_tokens: HashSet::new(),
             decode_collector_started: AtomicBool::new(false),
         }

src/trx-client/trx-frontend/trx-frontend-http-json/src/server.rs

@@ -337,6 +337,7 @@ mod tests {
             aprs_decode_enabled: false,
             cw_decode_enabled: false,
             ft8_decode_enabled: false,
+            wspr_decode_enabled: false,
             cw_auto: true,
             cw_wpm: 15,
             cw_tone_hz: 700,

src/trx-client/trx-frontend/trx-frontend-http/src/api.rs

@@ -124,6 +124,11 @@ pub async fn decode_events(
                 .into_iter()
                 .map(trx_core::decode::DecodedMessage::Ft8),
         );
+        out.extend(
+            crate::server::audio::snapshot_wspr_history(context.get_ref())
+                .into_iter()
+                .map(trx_core::decode::DecodedMessage::Wspr),
+        );
         out
     };
 
@@ -360,6 +365,15 @@ pub async fn toggle_ft8_decode(
     send_command(&rig_tx, RigCommand::SetFt8DecodeEnabled(!enabled)).await
 }
 
+#[post("/toggle_wspr_decode")]
+pub async fn toggle_wspr_decode(
+    state: web::Data<watch::Receiver<RigState>>,
+    rig_tx: web::Data<mpsc::Sender<RigRequest>>,
+) -> Result<HttpResponse, Error> {
+    let enabled = state.get_ref().borrow().wspr_decode_enabled;
+    send_command(&rig_tx, RigCommand::SetWsprDecodeEnabled(!enabled)).await
+}
+
 #[post("/clear_ft8_decode")]
 pub async fn clear_ft8_decode(
     context: web::Data<Arc<FrontendRuntimeContext>>,
@@ -369,6 +383,15 @@ pub async fn clear_ft8_decode(
     send_command(&rig_tx, RigCommand::ResetFt8Decoder).await
 }
 
+#[post("/clear_wspr_decode")]
+pub async fn clear_wspr_decode(
+    context: web::Data<Arc<FrontendRuntimeContext>>,
+    rig_tx: web::Data<mpsc::Sender<RigRequest>>,
+) -> Result<HttpResponse, Error> {
+    crate::server::audio::clear_wspr_history(context.get_ref());
+    send_command(&rig_tx, RigCommand::ResetWsprDecoder).await
+}
+
 #[post("/clear_aprs_decode")]
 pub async fn clear_aprs_decode(
     context: web::Data<Arc<FrontendRuntimeContext>>,
@@ -406,9 +429,11 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
         .service(set_cw_wpm)
         .service(set_cw_tone)
         .service(toggle_ft8_decode)
+        .service(toggle_wspr_decode)
         .service(clear_aprs_decode)
         .service(clear_cw_decode)
         .service(clear_ft8_decode)
+        .service(clear_wspr_decode)
         .service(crate::server::audio::audio_ws)
         .service(favicon)
         .service(logo)
@@ -558,6 +583,7 @@ async fn wait_for_view(mut rx: watch::Receiver<RigState>) -> Result<RigSnapshot,
         cw_wpm: state.cw_wpm,
         cw_tone_hz: state.cw_tone_hz,
         ft8_decode_enabled: state.ft8_decode_enabled,
+        wspr_decode_enabled: state.wspr_decode_enabled,
     })
 }
 

src/trx-client/trx-frontend/trx-frontend-http/src/audio.rs

@@ -20,7 +20,7 @@ use bytes::Bytes;
 use tokio::sync::broadcast;
 use tracing::warn;
 
-use trx_core::decode::{AprsPacket, CwEvent, DecodedMessage, Ft8Message};
+use trx_core::decode::{AprsPacket, CwEvent, DecodedMessage, Ft8Message, WsprMessage};
 use trx_frontend::FrontendRuntimeContext;
 
 const HISTORY_RETENTION: Duration = Duration::from_secs(24 * 60 * 60);
@@ -52,6 +52,15 @@ fn prune_ft8_history(history: &mut VecDeque<(Instant, Ft8Message)>) {
     }
 }
 
+fn prune_wspr_history(history: &mut VecDeque<(Instant, WsprMessage)>) {
+    while let Some((ts, _)) = history.front() {
+        if ts.elapsed() <= HISTORY_RETENTION {
+            break;
+        }
+        history.pop_front();
+    }
+}
+
 fn record_aprs(context: &FrontendRuntimeContext, pkt: AprsPacket) {
     let mut history = context
         .aprs_history
@@ -79,6 +88,15 @@ fn record_ft8(context: &FrontendRuntimeContext, msg: Ft8Message) {
     prune_ft8_history(&mut history);
 }
 
+fn record_wspr(context: &FrontendRuntimeContext, msg: WsprMessage) {
+    let mut history = context
+        .wspr_history
+        .lock()
+        .expect("wspr history mutex poisoned");
+    history.push_back((Instant::now(), msg));
+    prune_wspr_history(&mut history);
+}
+
 pub fn snapshot_aprs_history(context: &FrontendRuntimeContext) -> Vec<AprsPacket> {
     let mut history = context
         .aprs_history
@@ -106,6 +124,15 @@ pub fn snapshot_ft8_history(context: &FrontendRuntimeContext) -> Vec<Ft8Message>
     history.iter().map(|(_, msg)| msg.clone()).collect()
 }
 
+pub fn snapshot_wspr_history(context: &FrontendRuntimeContext) -> Vec<WsprMessage> {
+    let mut history = context
+        .wspr_history
+        .lock()
+        .expect("wspr history mutex poisoned");
+    prune_wspr_history(&mut history);
+    history.iter().map(|(_, msg)| msg.clone()).collect()
+}
+
 pub fn clear_aprs_history(context: &FrontendRuntimeContext) {
     let mut history = context
         .aprs_history
@@ -130,6 +157,14 @@ pub fn clear_ft8_history(context: &FrontendRuntimeContext) {
     history.clear();
 }
 
+pub fn clear_wspr_history(context: &FrontendRuntimeContext) {
+    let mut history = context
+        .wspr_history
+        .lock()
+        .expect("wspr history mutex poisoned");
+    history.clear();
+}
+
 pub fn subscribe_decode(
     context: &FrontendRuntimeContext,
 ) -> Option<broadcast::Receiver<DecodedMessage>> {
@@ -156,6 +191,7 @@ pub fn start_decode_history_collector(context: Arc<FrontendRuntimeContext>) {
                     DecodedMessage::Aprs(pkt) => record_aprs(&context, pkt),
                     DecodedMessage::Cw(evt) => record_cw(&context, evt),
                     DecodedMessage::Ft8(msg) => record_ft8(&context, msg),
+                    DecodedMessage::Wspr(msg) => record_wspr(&context, msg),
                 },
                 Err(broadcast::error::RecvError::Lagged(_)) => continue,
                 Err(broadcast::error::RecvError::Closed) => break,