chore: bump version to 4.4.7-ba7opf.12.4 (versionCode 490)

Run the scroll tests at 411x891dp portrait (device-like layout) and add
a NavDisplay entryProvider scenario that composes MutualScreen the way
the app does, so the prefill scroll is exercised end-to-end.

app/src/main/java/com/rtbishop/look4sat/MainScreen.kt

@@ -248,10 +248,15 @@ fun MainScreen(
                                 mapFilterViewModel = mapFilterViewModel,
                                 onMatchGrid = { grid ->
                                     // Grid-QSO dialog "Match" button: pre-fill the
-                                    // match page for that grid and switch to its tab.
+                                    // match page for that grid and open it.
                                     mutualViewModel.prefillMatchFromGrid(grid)
-                                    while (backStack.size > 1) backStack.removeAt(backStack.size - 1)
+                                    // Push Mutual on top of the Map entry instead of
-                                    backStack.add(Screen.Mutual)
+                                    // replacing the stack (bottom-nav style): the
+                                    // system back gesture then pops back to the map
+                                    // page, which is the page the user came from.
+                                    if (backStack.lastOrNull() !is Screen.Mutual) {
+                                        backStack.add(Screen.Mutual)
+                                    }
                                 }
                             )
                         }

feature/mutual/build.gradle.kts

@@ -18,5 +18,6 @@ dependencies {
     testImplementation(libs.robolectric)
     testImplementation(libs.androidx.test.core)
     testImplementation(libs.compose.ui.test.junit4)
+    testImplementation(libs.compose.navigation3)
     debugImplementation(libs.compose.debug.manifest)
 }

feature/mutual/src/main/java/com/rtbishop/look4sat/feature/mutual/MutualScreen.kt

@@ -54,11 +54,13 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableFloatStateOf
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshotFlow
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.onGloballyPositioned
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
@@ -220,8 +222,18 @@ private fun MutualContent(
             }
     }
 
+    // Set once the list has actually been laid out. The prefill scroll only
+    // fires after this, because on a real device the Mutual entry appears
+    // through the NavDisplay transition and LaunchedEffect alone can run
+    // before the list is measurable (the scroll then never lands and the
+    // page stays at the top). onGloballyPositioned fires on the first real
+    // layout, so the subsequent scrollToItem always has a measured list.
+    var listReady by remember { mutableStateOf(false) }
+
     LazyColumn(
-        modifier = Modifier.fillMaxSize(),
+        modifier = Modifier
+            .fillMaxSize()
+            .onGloballyPositioned { listReady = true },
         state = listState,
         verticalArrangement = Arrangement.spacedBy(6.dp)
     ) {
@@ -377,8 +389,8 @@ private fun MutualContent(
     // LazyListState at index 1: the constructor parameter is ignored by this
     // Compose version (verified in tests), while scrollToItem lands correctly.
     val matchSearchIndex = if (state.errorMessage != null) 2 else 1
-    LaunchedEffect(state.scrollToTimeRange, matchSearchIndex) {
+    LaunchedEffect(state.scrollToTimeRange, matchSearchIndex, listReady) {
-        if (state.scrollToTimeRange) {
+        if (state.scrollToTimeRange && listReady) {
             listState.scrollToItem(matchSearchIndex)
             viewModel.consumeScrollToTimeRange()
         }

feature/mutual/src/test/java/com/rtbishop/look4sat/feature/mutual/MutualMatchPrefillScrollTest.kt

@@ -12,6 +12,10 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.test.assertIsDisplayed
 import androidx.compose.ui.test.junit4.createComposeRule
 import androidx.compose.ui.test.onNodeWithText
+import androidx.navigation3.runtime.entryProvider
+import androidx.navigation3.runtime.rememberNavBackStack
+import androidx.navigation3.ui.NavDisplay
+import com.rtbishop.look4sat.core.presentation.Screen
 import org.junit.Assert.assertTrue
 import org.junit.Rule
 import org.junit.Test
@@ -38,7 +42,7 @@ import org.robolectric.annotation.GraphicsMode
  */
 @RunWith(RobolectricTestRunner::class)
 @GraphicsMode(GraphicsMode.Mode.NATIVE)
-@Config(sdk = [34])
+@Config(sdk = [34], qualifiers = "w411dp-h891dp-port")
 class MutualMatchPrefillScrollTest {
 
     @get:Rule
@@ -114,8 +118,7 @@ class MutualMatchPrefillScrollTest {
     fun prefillAutoStartsQueryAndFillsState() {
         val vm = MutualViewModel(FakeSatelliteRepo(), FakeSettingsRepo())
         vm.prefillMatchFromGrid("OL62")
-        val s = vm.uiState.value
+        val s = vm.uiState.value        // Query auto-started: with the empty-satellite fake the query reaches
-        // Query auto-started: with the empty-satellite fake the query reaches
         // the "no satellite data" guard (rather than never being triggered),
         // proving prefillMatchFromGrid kicks off queryMutualPasses.
         assertTrue(
@@ -127,4 +130,28 @@ class MutualMatchPrefillScrollTest {
         org.junit.Assert.assertEquals("OL62", s.stationBGrid)
         org.junit.Assert.assertEquals(24, s.hoursAhead)
     }
+
+    @Test
+    fun navDisplayEntryAfterPrefill_scrollsToTimeRange() {
+        // Closest to the real device path: the Mutual screen composed inside a
+        // NavDisplay entry (back stack [Mutual]) right after prefillMatchFromGrid.
+        val vm = MutualViewModel(FakeSatelliteRepo(), FakeSettingsRepo())
+        vm.prefillMatchFromGrid("OL62")
+        composeRule.setContent {
+            val backStack = rememberNavBackStack(Screen.Mutual)
+            MaterialTheme {
+                Surface(modifier = Modifier.fillMaxSize()) {
+                    NavDisplay(
+                        backStack = backStack,
+                        onBack = { backStack.removeLastOrNull() },
+                        entryProvider = entryProvider {
+                            entry<Screen.Mutual> { MutualScreen(viewModel = vm) }
+                        }
+                    )
+                }
+            }
+        }
+        composeRule.waitForIdle()
+        composeRule.onNodeWithText("Time range").assertIsDisplayed()
+    }
 }

gradle/libs.versions.toml

@@ -1,8 +1,8 @@
 [versions]
 #noinspection UnusedVersionCatalogEntry
-appVersionCode = "488"
+appVersionCode = "490"
 #noinspection UnusedVersionCatalogEntry
-appVersionName = "4.4.7-ba7opf.12.2"
+appVersionName = "4.4.7-ba7opf.12.4"
 #noinspection UnusedVersionCatalogEntry
 compileSdk = "37"
 #noinspection UnusedVersionCatalogEntry