fix: mock trainer emits cadence along with power

src-tauri/src/ble/mock.rs

@@ -75,11 +75,17 @@ impl SensorSource for MockSource {
     {
         let types = get_device_types(device);
         let s: Pin<Box<dyn Stream<Item = Telemetry> + Send>> = if types.contains(&DeviceType::Trainer) {
-            // мощность рампой 150..300 Вт
+            // мощность 150..300 Вт + каденс 85..95 rpm (как FTMS 0x2AD2 — оба поля)
             stream::unfold(0u16, |i| async move {
-                tokio::time::sleep(Duration::from_millis(500)).await;
-                let watts = 150 + ((i % 16) * 10) as i16;
-                Some((Telemetry::Power { watts }, i.wrapping_add(1)))
+                tokio::time::sleep(Duration::from_millis(250)).await;
+                let item = if i % 2 == 0 {
+                    let watts = 150 + ((i / 2 % 16) * 10) as i16;
+                    Telemetry::Power { watts }
+                } else {
+                    let rpm = 85.0 + (i / 2 % 10) as f32;
+                    Telemetry::Cadence { rpm }
+                };
+                Some((item, i.wrapping_add(1)))
             })
             .boxed()
         } else if types.contains(&DeviceType::CadSensor) {
@@ -142,4 +148,23 @@ mod tests {
         let first = stream.next().await;
         assert!(matches!(first, Some(Telemetry::HeartRate { .. })));
     }
+
+    #[tokio::test]
+    async fn test_mock_trainer_emits_power_and_cadence() {
+        let src = MockSource::new();
+        let devices = src.scan(0).await.unwrap();
+        let trainer = devices.iter().find(|d| d.id == "mock-trainer").unwrap();
+        let mut stream = src.stream(trainer).await.unwrap();
+        let mut saw_power = false;
+        let mut saw_cadence = false;
+        for _ in 0..8 {
+            match stream.next().await {
+                Some(Telemetry::Power { .. }) => saw_power = true,
+                Some(Telemetry::Cadence { .. }) => saw_cadence = true,
+                _ => {}
+            }
+        }
+        assert!(saw_power, "тренер должен эмитить мощность");
+        assert!(saw_cadence, "тренер должен эмитить каденс");
+    }
 }