compose export screen's 'choose an export format' prompt into remaining viewport height, same fix as import screen

@@ -176,14 +176,22 @@176176 177177             Spacer(Modifier.size(PeachSpacing.lg))178178 179-            Column(Modifier.fillMaxSize().verticalScroll(rememberScrollState())) {180-                when (route) {181-                    ExportRoute.CHOOSE -> ChooseView(182-                        onPeachScript = { route = ExportRoute.PEACHSCRIPT },183-                        onCsv = { route = ExportRoute.CSV },184-                    )185-                    ExportRoute.PEACHSCRIPT -> PeachScriptExportView(vm)186-                    ExportRoute.CSV -> CsvExportView(vm)179+            if (route == ExportRoute.CHOOSE) {180+                // Never needs to scroll — give it the real remaining height so181+                // the prompt composes into it instead of trailing into dead182+                // space below the two option cards.183+                ChooseView(184+                    onPeachScript = { route = ExportRoute.PEACHSCRIPT },185+                    onCsv = { route = ExportRoute.CSV },186+                    modifier = Modifier.weight(1f).fillMaxWidth(),187+                )188+            } else {189+                Column(Modifier.fillMaxSize().verticalScroll(rememberScrollState())) {190+                    when (route) {191+                        ExportRoute.PEACHSCRIPT -> PeachScriptExportView(vm)192+                        ExportRoute.CSV -> CsvExportView(vm)193+                        ExportRoute.CHOOSE -> Unit // handled above, outside the scroll container194+                    }187195                 }188196             }189197         }@@ -193,22 +201,26 @@193201 // ---- Choose view ----------------------------------------------------------194202 195203 @Composable196-private fun ChooseView(onPeachScript: () -> Unit, onCsv: () -> Unit) {197-    OptionCard(198-        title = "PeachScript (encrypted)",199-        subtitle = "A backup encrypted with a separate password. Restores into Peach.",200-        onClick = onPeachScript,201-    )202-    Spacer(Modifier.size(PeachSpacing.md))203-    OptionCard(204-        title = "CSV (unencrypted)",205-        subtitle = "Plain text for moving into another manager. Not encrypted.",206-        onClick = onCsv,207-    )208-    PeachEmptyOrEndState(209-        message = "Choose an export format.",210-        detail = "Encrypted PeachScript is safest for Peach-to-Peach backups.",211-    )204+private fun ChooseView(onPeachScript: () -> Unit, onCsv: () -> Unit, modifier: Modifier = Modifier) {205+    Column(modifier) {206+        OptionCard(207+            title = "PeachScript (encrypted)",208+            subtitle = "A backup encrypted with a separate password. Restores into Peach.",209+            onClick = onPeachScript,210+        )211+        Spacer(Modifier.size(PeachSpacing.md))212+        OptionCard(213+            title = "CSV (unencrypted)",214+            subtitle = "Plain text for moving into another manager. Not encrypted.",215+            onClick = onCsv,216+        )217+        Box(Modifier.weight(1f).fillMaxWidth(), contentAlignment = Alignment.Center) {218+            PeachEmptyOrEndState(219+                message = "Choose an export format.",220+                detail = "Encrypted PeachScript is safest for Peach-to-Peach backups.",221+            )222+        }223+    }212224 }213225 214226 @Composable