Align Android history handling with iOS and bump app version

app/src/main/java/com/iiyh/emoneyinfo/data/Models.kt

@@ -44,6 +44,18 @@ data class TransactionItem(
             append(locationName)
         }
     }
+
+    fun historyKey(): String = buildString {
+        append(date.time / 1000)
+        append('|')
+        append(amount)
+        append('|')
+        append(if (isCredit) 1 else 0)
+        append('|')
+        append(locationName.trim())
+        append('|')
+        append(title)
+    }
 }
 
 data class EmoneyUiState(
@@ -63,6 +75,16 @@ data class EmoneyUiState(
     }
 
     fun hasCardData(): Boolean = cardType != CardType.UNKNOWN || cardNumber.isNotBlank() || balance > 0 || transactions.isNotEmpty()
+
+    fun clearingHistory(scanMessage: String): EmoneyUiState = copy(
+        transactions = emptyList(),
+        scanMessage = scanMessage
+    )
+
+    fun deduplicatingHistory(): EmoneyUiState {
+        val deduplicated = transactions.distinctBy { it.historyKey() }
+        return if (deduplicated.size == transactions.size) this else copy(transactions = deduplicated)
+    }
 }
 
 fun String.formatCardNumber(): String {