fix: Pre-release cleanup of manifest, resource leaks, and dependencies

- Fix BleScanResultReceiver package name in manifest (.bluetooth → .common.bluetooth)
- Fix HandlerThread leak in BluetoothManager2 when registerReceiver() throws
- Cache battery values in MonitorNotifications to match hardening pattern
- Remove duplicate fragment-ktx dependency and align fragment-testing version
- Remove deprecated lifecycle-extensions dependency

app/src/main/AndroidManifest.xml

@@ -59,7 +59,7 @@
         </activity>
 
         <receiver
-            android:name=".bluetooth.BleScanResultReceiver"
+            android:name=".common.bluetooth.BleScanResultReceiver"
             android:exported="false">
             <intent-filter>
                 <action android:name="eu.darken.capod.bluetooth.DELIVER_SCAN_RESULTS" />

app/src/main/java/eu/darken/capod/common/bluetooth/BluetoothManager2.kt

@@ -212,6 +212,7 @@ class BluetoothManager2 @Inject constructor(
                 context.registerReceiver(receiver, filter, null, handler)
             } catch (e: Exception) {
                 log(TAG, ERROR) { "monitorProfile(): Failed to register receiver: $e" }
+                handlerThread.quitSafely()
                 close(e)
                 return@callbackFlow
             }

app/src/main/java/eu/darken/capod/monitor/ui/MonitorNotifications.kt

@@ -105,11 +105,14 @@ class MonitorNotifications @Inject constructor(
 
             val batteryText = when (device) {
                 is DualPodDevice -> {
-                    val left = formatBatteryPercent(context, device.batteryLeftPodPercent)
-                    val right = formatBatteryPercent(context, device.batteryRightPodPercent)
+                    val leftPercent = device.batteryLeftPodPercent
+                    val rightPercent = device.batteryRightPodPercent
+                    val left = formatBatteryPercent(context, leftPercent)
+                    val right = formatBatteryPercent(context, rightPercent)
                     when {
                         device is HasCase -> {
-                            val case = formatBatteryPercent(context, device.batteryCasePercent)
+                            val casePercent = device.batteryCasePercent
+                            val case = formatBatteryPercent(context, casePercent)
                             "$left $case $right"
                         }
 
@@ -118,10 +121,12 @@ class MonitorNotifications @Inject constructor(
                 }
 
                 is SinglePodDevice -> {
-                    val headset = formatBatteryPercent(context, device.batteryHeadsetPercent)
+                    val headsetPercent = device.batteryHeadsetPercent
+                    val headset = formatBatteryPercent(context, headsetPercent)
                     when {
                         device is HasCase -> {
-                            val case = formatBatteryPercent(context, device.batteryCasePercent)
+                            val casePercent = device.batteryCasePercent
+                            val case = formatBatteryPercent(context, casePercent)
                             "$headset $case"
                         }