feat(android/home): refresh Home on playlist.system_rebuilt

Parity with the web SSE consumer (5a80a1e4). HomeViewModel now subscribes to
EventsStream and re-pulls Home (refreshIndex + system-playlist status) when
the server emits playlist.system_rebuilt — the daily 03:00 rebuild or a
manual refresh — so the system-playlist tiles and You-might-like rows reflect
the new snapshot without a manual reload. Browse-only: the active playback
queue is left to self-heal on the failure path. Issue #968.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

android/app/src/main/java/com/fabledsword/minstrel/home/ui/HomeScreen.kt

@@ -95,6 +95,7 @@ import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.filter
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
@@ -139,6 +140,7 @@ class HomeViewModel @Inject constructor(
     private val libraryRepository: LibraryRepository,
     private val player: com.fabledsword.minstrel.player.PlayerController,
     private val shuffleSource: com.fabledsword.minstrel.cache.ShuffleSource,
+    private val eventsStream: com.fabledsword.minstrel.events.EventsStream,
     networkStatus: com.fabledsword.minstrel.connectivity.NetworkStatusController,
 ) : ViewModel() {
 
@@ -167,6 +169,15 @@ class HomeViewModel @Inject constructor(
 
     init {
         refresh()
+        // #968: the daily 03:00 rebuild (and manual refresh) emit
+        // playlist.system_rebuilt; re-pull Home so the system-playlist tiles
+        // and You-might-like rows reflect the new snapshot without a manual
+        // reload. Mirrors the web SSE consumer.
+        viewModelScope.launch {
+            eventsStream.events
+                .filter { it.kind == "playlist.system_rebuilt" }
+                .collect { refresh() }
+        }
     }
 
     /**