feat: track trainer targets in state for reconnect

src-tauri/src/lib.rs

@@ -16,7 +16,7 @@ use crate::ble::{BleSource, MockSource, SensorSource};
 use crate::commands::Command;
 use crate::device::Device;
 use crate::device_repo::{repo_from_devices, Repo};
-use crate::state::State;
+use crate::state::{State, TrainerTargets};
 use crate::telemetry::Telemetry;
 use btleplug::api::Manager as ApiManager;
 use btleplug::platform::Manager as BleManager;
@@ -227,6 +227,7 @@ pub fn run() {
                     devices: RwLock::new(Vec::new()),
                     trainer: Mutex::new(None),
                     streams: Mutex::new(std::collections::HashMap::new()),
+                    trainer_targets: Mutex::new(TrainerTargets::default()),
                 });
                 Ok::<(), Box<dyn std::error::Error>>(())
             })

src-tauri/src/state.rs

@@ -6,6 +6,13 @@ use tauri::async_runtime::JoinHandle;
 use crate::ble::SensorSource;
 use crate::device::Device;
 
+/// Last trainer targets, reapplied after reconnect.
+#[derive(Default)]
+pub struct TrainerTargets {
+    pub power: Option<i16>, // watts
+    pub cadence: Option<u16>, // rpm (raw, as entered by user)
+}
+
 pub struct State {
     pub source: Arc<dyn SensorSource>,
     /// Все найденные при скане устройства (для поиска по id при подключении).
@@ -14,4 +21,6 @@ pub struct State {
     pub trainer: Mutex<Option<String>>,
     /// Потоки телеметрии по категориям ("hr"/"cadence"/"trainer")
     pub streams: Mutex<HashMap<String, JoinHandle<()>>>,
+    /// Last trainer targets, reapplied after reconnect.
+    pub trainer_targets: Mutex<TrainerTargets>,
 }