feat(player): track skippable segment type to gate intro and outro UI

Expose the active skippable segment type from the player state so the UI
can show the skip intro button only for intro segments and trigger the
next episode overlay when an outro segment is active.

core/src/main/java/hu/bbara/purefin/core/player/model/PlayerUiModels.kt

@@ -1,5 +1,7 @@
 package hu.bbara.purefin.core.player.model
 
+import hu.bbara.purefin.model.SegmentType
+
 data class PlayerUiState(
     val isPlaying: Boolean = false,
     val isBuffering: Boolean = false,
@@ -11,6 +13,7 @@ data class PlayerUiState(
     val positionMs: Long = 0L,
     val bufferedMs: Long = 0L,
     val activeSkippableSegmentEndMs: Long? = null,
+    val activeSkippableSegmentType: SegmentType? = null,
     val error: String? = null,
     val playbackSpeed: Float = 1f,
     val chapters: List<TimedMarker> = emptyList(),

core/src/main/java/hu/bbara/purefin/core/player/viewmodel/PlayerViewModel.kt

@@ -117,7 +117,10 @@ class PlayerViewModel @Inject constructor(
         viewModelScope.launch {
             playerManager.activeSkippableSegment.collect { mediaSegment ->
                 _uiState.update {
-                    it.copy(activeSkippableSegmentEndMs = mediaSegment?.endMs)
+                    it.copy(
+                        activeSkippableSegmentEndMs = mediaSegment?.endMs,
+                        activeSkippableSegmentType = mediaSegment?.type
+                    )
                 }
             }
         }