Preserve navigation focus when Anime availability changes

app/src/test/java/org/justinvisser/wolfskin/tv/AnimeAvailabilityTest.kt

@@ -82,13 +82,18 @@ class AnimeAvailabilityTest {
                         includeItemTypes = listOf(BaseItemKind.SERIES), limit = 1) } returns successQueryResult(titles)
                     val libraries = LibraryReadFacade(api)
                     val session = WolfskinSession().apply {
-                        state = ShellState(listOf(ShellPerson(key, key, key.take(1), false, user.id.toString())), key)
+                        state = ShellState(listOf(ShellPerson(key, key, key.take(1), count == 0, user.id.toString())), key).apply {
+                            pickerVisible = false
+                            focusNav(tabs.size)
+                        }
                     }
                     val model = WolfskinShellViewModel(context, session, mockk(), mockk(), mockk(), mockk(relaxed = true),
                         libraries, WolfskinSeeAllLists(), conductarr, mockk(relaxed = true))
                     try {
                         requireNotNull(model.onForeground(server, user)).join()
                         assertEquals("$key with $count Anime titles", count > 0, "anime" in session.state!!.tabs)
+                        assertEquals("The avatar must remain focused when Anime appears or disappears",
+                            session.state!!.tabs.size, session.state!!.navIndex)
                         val home = HomeLibrary(destinations = mapOf("anime" to titles.map { HomeTitle(it.id.toString(), it.name.orEmpty(), "tv") }),
                             destinationTotals = mapOf("anime" to count))
                         assertEquals("An empty Anime audience must not create a Home shelf", count > 0,

docker/README.md

@@ -499,6 +499,8 @@ refresh enables Anime only after a one-title Jellyfin read confirms visible seri
 in an accessible Anime library for the signed-in user. This runs after the live
 picker is published; failures retain that user's last confirmed availability.
 Empty Anime Home shelves remain omitted.
+When availability changes, focus follows the avatar or a surviving destination;
+removing Anime never leaves an out-of-range nav selection.
 
 | Screen seam | Production supplier |
 | --- | --- |

wolfskin-design/src/main/java/org/justinvisser/wolfskin/design/ShellState.kt

@@ -50,14 +50,17 @@ class ShellState(
     var people by mutableStateOf(people)
         private set
 
-    /** Refresh household labels without discarding this person's navigation memory. */
+    /** Refresh household data without losing valid nav focus or this person's view memory. */
     fun updatePeople(value: List<ShellPerson>) {
+        val focusedTab = tabs.getOrNull(navIndex)
+        val avatarFocused = navIndex == tabs.size
         val selected = value.firstOrNull { it.jellyfinUserId != null && it.jellyfinUserId == person.jellyfinUserId }
             ?: value.firstOrNull { it.key == person.key }
         people = value
         if (selected != null) person = selected
         pickerIndex = people.indexOf(person).coerceAtLeast(0)
         preparePersonMemory()
+        navIndex = if (avatarFocused) tabs.size else tabs.indexOf(focusedTab).takeIf { it >= 0 } ?: currentTab
     }
     var person by mutableStateOf(people.firstOrNull { it.key == initialPerson } ?: people.first())
         private set