feat(watch): renforce la vibration de fin de chrono et consolide la remontee des donnees stats montre

Cote montre pour #180 (vibration timerFinished plus longue et plus forte) et #179 (contrat/collecte des donnees stats vers le telephone).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

watch_app/android/app/src/main/kotlin/com/gametime/watch/bridge/WatchBridgePlugin.kt

@@ -170,8 +170,7 @@ object WatchBridgePlugin {
             return
         }
         sensorPermissionRequestInFlight = false
-        val granted = appContext?.let(::hasRequiredSensorPermissions) == true ||
-            grantResults.all { it == PackageManager.PERMISSION_GRANTED }
+        val granted = appContext?.let(::hasRequiredRuntimePermissions) == true
         if (granted) {
             pendingSensorPermissionRequest = false
             Log.d(TAG, "sensor permissions granted")
@@ -187,6 +186,7 @@ object WatchBridgePlugin {
                 grantResults.getOrNull(index) != PackageManager.PERMISSION_GRANTED
             }
             Log.w(TAG, "sensor permissions denied=${denied.joinToString()}")
+            emitSensorPermissionRequired()
         }
     }
 
@@ -458,12 +458,12 @@ object WatchBridgePlugin {
             @Suppress("DEPRECATION")
             context.getSystemService(Vibrator::class.java)
         } ?: return
-        val timings = longArrayOf(0L, 180L, 120L, 260L)
+        val timings = longArrayOf(0L, 320L, 90L, 420L, 90L, 520L)
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             vibrator.vibrate(
                 VibrationEffect.createWaveform(
                     timings,
-                    intArrayOf(0, 255, 0, 255),
+                    intArrayOf(0, 255, 0, 255, 0, 255),
                     -1,
                 ),
             )
@@ -492,6 +492,7 @@ object WatchBridgePlugin {
                 executionContext = telemetryContext(projection),
             )
             pendingSensorPermissionRequest = true
+            emitSensorPermissionRequired()
             requestSensorPermissionsOnce()
             return
         }
@@ -603,6 +604,29 @@ object WatchBridgePlugin {
         val index = (value as? Number)?.toInt() ?: return null
         return if (index > 0) index - 1 else null
     }
+
+    private fun emitSensorPermissionRequired() {
+        val projection = lastSensorProjection ?: lastActiveProjection ?: return
+        val sessionId = projection["deviceSessionId"] as? String ?: return
+        if (sessionId.isBlank()) {
+            return
+        }
+        emitSensorSample(
+            mapOf(
+                "schemaVersion" to 4,
+                "sampleId" to "$sessionId-permission-${System.currentTimeMillis()}",
+                "sessionId" to sessionId,
+                "capturedAtEpochMs" to System.currentTimeMillis(),
+                "recordedAtEpochMs" to System.currentTimeMillis(),
+                "programIndex" to projection["programIndex"],
+                "exerciseIndex" to projection["exerciseIndex"],
+                "setIndex" to projection["setIndex"],
+                "passageIndex" to zeroBasedNullableIndex(projection["passageIndex"]),
+                "stepIndex" to zeroBasedNullableIndex(projection["stepIndex"]),
+                "sensorCollectionStatus" to "authorizationRequired",
+            ),
+        )
+    }
 }
 
 private fun JSONObject.toMap(): Map<String, Any?> {

watch_app/android/app/src/main/kotlin/com/gametime/watch/bridge/WatchHeartRateCollector.kt

@@ -445,6 +445,8 @@ internal class WatchHeartRateCollector(
         sampleSequence = 0
         executionContext = emptyMap()
         shouldAggregate = false
+        exerciseMetricsStarted = false
+        exerciseMetricsStartInFlight = false
         exerciseHeartRateSupported = false
         exerciseHeartRateObserved = false
     }