refactor: Remove meta from PodDevice public API and delete unused PodMonitorExtensions

All external consumers now use top-level PodDevice properties. BlePodMonitor extensions were dead code — all callers use DeviceMonitor equivalents.

app/src/main/java/eu/darken/capod/monitor/core/DeviceMonitor.kt

@@ -32,8 +32,8 @@ class DeviceMonitor @Inject constructor(
     ) { pods, aapStates, cachedStates, profiles ->
         // Live devices — BLE + AAP + cached fallback for missing fields
         val liveDevices = pods.map { pod ->
-            val bondedAddress = pod.meta?.profile?.address
-            val profile = pod.meta?.profile
+            val bondedAddress = pod.meta.profile?.address
+            val profile = pod.meta.profile
             PodDevice(
                 profileId = profile?.id,
                 label = profile?.label,

app/src/main/java/eu/darken/capod/monitor/core/PodDevice.kt

@@ -40,7 +40,6 @@ data class PodDevice(
     /** BLE scan address (RPA, rotates). */
     val bleAddress: BluetoothAddress? get() = ble?.address
     val identifier: BlePodSnapshot.Id? get() = ble?.identifier
-    val meta: BlePodSnapshot.Meta? get() = ble?.meta
 
     /** True when at least one live data source (BLE or AAP) is present. */
     val isLive: Boolean get() = ble != null || aap != null

app/src/main/java/eu/darken/capod/monitor/core/PodMonitorExtensions.kt

@@ -1,10 +0,0 @@
-package eu.darken.capod.monitor.core
-
-import eu.darken.capod.pods.core.apple.ble.BlePodSnapshot
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-
-fun BlePodMonitor.devicesWithProfiles(): Flow<List<BlePodSnapshot>> = devices
-    .map { devices -> devices.filter { it.meta.profile != null } }
-
-fun BlePodMonitor.primaryDevice(): Flow<BlePodSnapshot?> = devicesWithProfiles().map { it.firstOrNull() }

app/src/test/java/eu/darken/capod/monitor/core/PodDeviceTest.kt

@@ -98,25 +98,21 @@ class PodDeviceTest : BaseTest() {
     }
 
     @Test
-    fun `identity properties delegate to BLE`() {
+    fun `identifier delegates to BLE`() {
         val id = BlePodSnapshot.Id()
-        val meta = mockk<BlePodSnapshot.Meta>(relaxed = true)
         val device = PodDevice(
             profileId = null, ble = mockk(relaxed = true) {
                 every { identifier } returns id
-                every { this@mockk.meta } returns meta
             },
             aap = null,
         )
         device.identifier shouldBe id
-        device.meta shouldBe meta
     }
 
     @Test
-    fun `identity properties null when BLE null`() {
+    fun `identifier null when BLE null`() {
         val device = PodDevice(profileId = null, ble = null, aap = null)
         device.identifier.shouldBeNull()
-        device.meta.shouldBeNull()
     }
 
     @Test