Fix Mi Scale v1 measurments (#1294)

Handle the 10‑byte frames sent through CHAR_WEIGHT_MEAS and parse them with parseHistory10().
Live weight on Mi Scale v1 stopped working after 3.0.0. This restores it.
Tested on a real Mi Scale v1.
No changes made for v2.

Author: apemay

android_app/app/src/main/java/com/health/openscale/core/bluetooth/scales/MiScaleHandler.kt

@@ -245,6 +245,11 @@ class MiScaleHandler : ScaleDeviceHandler() {
             return
         }
 
+        if (characteristic == CHAR_WEIGHT_MEAS) {
+            handleWeightMeasNotify(data, user)
+            return
+        }
+
         // Some firmwares may leak data elsewhere; log a small preview.
         logD("Notify $characteristic len=${data.size} ${data.toHexPreview(24)}")
     }
@@ -295,6 +300,17 @@ class MiScaleHandler : ScaleDeviceHandler() {
         appendHistoryChunk(d)
     }
 
+     private fun handleWeightMeasNotify(d: ByteArray, user: ScaleUser) {
+        // 10‑byte frame (same layout as history10)
+        if (variant == Variant.V1 && d.size == 10) {
+            parseHistory10(d, user)
+            return
+        }
+
+        // Other lengths: debug only
+        logD("WeightMeas notify len=${d.size} ${d.toHexPreview(24)}")
+    }
+
     /** v2 live frame (13 bytes). With/without impedance. Publishes stabilized frames only. */
     private fun parseLive13(d: ByteArray, user: ScaleUser): Boolean {
         if (d.size != 13) return false