Fix #19225: refresh queue on note edit

AnkiDroid/src/main/java/com/ichi2/anki/ui/windows/reviewer/ReviewerViewModel.kt

@@ -743,18 +743,7 @@ class ReviewerViewModel(
             if (handler == this) return@launchCatchingIO
 
             when {
-                changes.studyQueues -> updateCurrentCard()
-                changes.noteText -> {
-                    val card = currentCard.await()
-                    withCol { card.load(this) }
-                    cardMediaPlayer.loadCardAvTags(card)
-                    updateMarkIcon()
-                    if (showingAnswer.value) {
-                        showAnswer()
-                    } else {
-                        showQuestion()
-                    }
-                }
+                changes.studyQueues || changes.noteText -> updateCurrentCard()
                 changes.card -> {
                     val card = currentCard.await()
                     withCol { card.load(this) }

AnkiDroid/src/test/java/com/ichi2/anki/ui/windows/reviewer/ReviewerViewModelTest.kt

@@ -0,0 +1,64 @@
+/*
+ *  Copyright (c) 2026 Ayush Patel <[email protected]>
+ *
+ *  This program is free software; you can redistribute it and/or modify it under
+ *  the terms of the GNU General Public License as published by the Free Software
+ *  Foundation; either version 3 of the License, or (at your option) any later
+ *  version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ *  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.ichi2.anki.ui.windows.reviewer
+
+import androidx.lifecycle.SavedStateHandle
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import anki.collection.OpChanges
+import anki.scheduler.CardAnswer.Rating
+import com.ichi2.anki.RobolectricTest
+import com.ichi2.anki.libanki.NotetypeJson
+import com.ichi2.anki.preferences.reviewer.ViewerAction
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.advanceUntilIdle
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.not
+import org.hamcrest.Matchers.sameInstance
+import org.junit.Test
+import org.junit.jupiter.api.assertDoesNotThrow
+import org.junit.runner.RunWith
+
+@OptIn(ExperimentalCoroutinesApi::class)
+@RunWith(AndroidJUnit4::class)
+class ReviewerViewModelTest : RobolectricTest() {
+    override fun getCollectionStorageMode() = CollectionStorageMode.IN_MEMORY_WITH_MEDIA
+
+    @Test
+    fun `editing note template updates queue state preventing undo error`() =
+        runTest {
+            addBasicNote("Front", "Back")
+            val handle = SavedStateHandle()
+            val viewModel = ReviewerViewModel(handle)
+            val card = viewModel.currentCard.await()
+            card.noteType().update {
+                templates.first().qfmt += " Modified"
+            }
+            val changes = OpChanges.newBuilder().setNoteText(true).build()
+            viewModel.opExecuted(changes, null)
+            val newCard = viewModel.currentCard.await()
+            assertThat("Card should be refreshed (new instance)", newCard, not(sameInstance(card)))
+            assertDoesNotThrow {
+                viewModel.answerCard(Rating.GOOD)
+            }
+            viewModel.executeAction(ViewerAction.UNDO)
+        }
+
+    private fun NotetypeJson.update(block: NotetypeJson.() -> Unit) {
+        block(this)
+        col.notetypes.update(this)
+    }
+}