refactor: centralize unauthorized detection and simplify workspace rollback

app/src/main/java/space/hackenslacker/kanbn4droid/app/boards/BoardsDrawerModels.kt

@@ -34,3 +34,8 @@ data class BoardsDrawerState(
     val isWorkspaceInteractionEnabled: Boolean = false,
     val isWorkspaceSwitchInFlight: Boolean = false,
 )
+
+internal fun String.isUnauthorizedFailureMessage(): Boolean {
+    val normalized = lowercase()
+    return "401" in normalized || "403" in normalized || "authentication" in normalized || "unauthorized" in normalized
+}

app/src/main/java/space/hackenslacker/kanbn4droid/app/boards/BoardsRepository.kt

@@ -219,8 +219,7 @@ class BoardsRepository(
     }
 
     private fun isUnauthorizedMessage(message: String): Boolean {
-        val normalized = message.lowercase()
-        return "401" in normalized || "403" in normalized || "authentication" in normalized || "unauthorized" in normalized
+        return message.isUnauthorizedFailureMessage()
     }
 
     private fun isNetworkMessage(message: String): Boolean {

app/src/main/java/space/hackenslacker/kanbn4droid/app/boards/BoardsViewModel.kt

@@ -89,9 +89,6 @@ class BoardsViewModel(
                 }
 
                 is BoardsApiResult.Failure -> {
-                    if (!currentWorkspaceId.isNullOrBlank()) {
-                        repository.switchWorkspace(currentWorkspaceId)
-                    }
                     _uiState.update {
                         it.copy(
                             drawer = it.drawer.copy(
@@ -292,8 +289,3 @@ class BoardsViewModel(
         }
     }
 }
-
-private fun String.isUnauthorizedFailureMessage(): Boolean {
-    val normalized = lowercase()
-    return "401" in normalized || "403" in normalized || "authentication" in normalized || "unauthorized" in normalized
-}

app/src/test/java/space/hackenslacker/kanbn4droid/app/boards/BoardsViewModelTest.kt

@@ -316,6 +316,7 @@ class BoardsViewModelTest {
 
         assertEquals("ws-1", viewModel.uiState.value.drawer.activeWorkspaceId)
         assertEquals("ws-1", sessionStore.getWorkspaceId())
+        assertEquals(1, api.listBoardsCalls)
     }
 
     @Test
@@ -342,6 +343,7 @@ class BoardsViewModelTest {
         val event = eventDeferred.await()
         assertTrue(event is BoardsUiEvent.ForceSignOut)
         assertEquals("ws-1", sessionStore.getWorkspaceId())
+        assertEquals(1, api.listBoardsCalls)
     }
 
     @Test
@@ -364,6 +366,7 @@ class BoardsViewModelTest {
 
         assertEquals(null, sessionStore.getWorkspaceId())
         assertEquals(null, viewModel.uiState.value.drawer.activeWorkspaceId)
+        assertEquals(1, api.listBoardsCalls)
     }
 
     private fun newViewModel(