fixed order on diff screen

app/src/main/java/com/prodhack/moscow2025/presentation/screens/resumeHistory/ResumeHistoryScreen.kt

@@ -64,7 +64,7 @@ fun ErrorCollectorScope.ResumeHistoryScreen(
 	val colorScheme = MaterialTheme.colorScheme
 	val expandedState = remember { mutableStateMapOf<Int, Boolean>() }
 	val selected = remember { mutableStateMapOf<String, ResumeModel>() }
-	val selectedOrder = remember { mutableListOf<String>() }
+	val selectedIndices = remember { mutableStateMapOf<String, Int>() }
 
 	Box(
 		modifier = Modifier.fillMaxSize()
@@ -131,10 +131,10 @@ fun ErrorCollectorScope.ResumeHistoryScreen(
 						onSelectToggle = {
 							if (isSelected) {
 								selected.remove(version.id)
-								selectedOrder.remove(version.id)
+								selectedIndices.remove(version.id)
 							} else if (selected.size < 2) {
 								selected[version.id] = version
-								selectedOrder.add(version.id)
+								selectedIndices[version.id] = index
 							}
 						}
 					)
@@ -143,14 +143,17 @@ fun ErrorCollectorScope.ResumeHistoryScreen(
 			}
 		}
 
-		if (selected.size == 2) {
+		if (selected.size > 0) {
 			ExtendedFloatingActionButton(
 				modifier = Modifier
 					.align(Alignment.BottomCenter)
 					.padding(bottom = Paddings.large),
 				onClick = {
-					val first = selected[selectedOrder.getOrNull(0)]
-					val second = selected[selectedOrder.getOrNull(1)]
+					if (selected.size == 2) {
+						val ordered = selected.toList()
+							.sortedByDescending { (id, _) -> selectedIndices[id] ?: Int.MIN_VALUE }
+						val first = ordered.getOrNull(0)?.second
+						val second = ordered.getOrNull(1)?.second
 						val gson = Gson()
 						navController.navigate(
 							AppDestination.ResumeDiff.route,
@@ -159,6 +162,7 @@ fun ErrorCollectorScope.ResumeHistoryScreen(
 								putString(AppDestination.ResumeDiff.ARG_SECOND, gson.toJson(second))
 							}
 						)
+					}
 				},
 				icon = {
 					Icon(
@@ -166,7 +170,12 @@ fun ErrorCollectorScope.ResumeHistoryScreen(
 						contentDescription = "compare"
 					)
 				},
-				text = { Text(text = "Сравнить") },
+				text = {
+					Text(
+						text = if (selected.size == 2) "Сравнить" else "Выберите ещё 1",
+						style = typography.titleMedium
+					)
+				},
 			)
 		}
 	}