fix: label failed payments in PaymentRow

app/src/main/java/com/bitcointxoko/gudariwallet/i18n/EnStrings.kt

@@ -306,6 +306,7 @@ val EnHomeStrings = AppStrings(
     paymentRowReceivedCD  = "Received",
     paymentRowNoMemo      = "No memo",
     paymentRowPending     = "Pending",
+    paymentRowFailed     = "Failed",
 
     onboarding = OnboardingStrings(
         back                    = "Back",

app/src/main/java/com/bitcointxoko/gudariwallet/i18n/EsStrings.kt

@@ -305,6 +305,8 @@ val EsHomeStrings = AppStrings(
     paymentRowReceivedCD  = "Recibido",
     paymentRowNoMemo      = "Sin nota",
     paymentRowPending     = "Pendiente",
+    paymentRowFailed      = "Fallido",
+
 
     onboarding = OnboardingStrings(
         back                    = "Back",

app/src/main/java/com/bitcointxoko/gudariwallet/i18n/EuStrings.kt

@@ -305,6 +305,8 @@ val EuStrings = AppStrings(
     paymentRowReceivedCD  = "Jasota",
     paymentRowNoMemo      = "Oharrik gabe",
     paymentRowPending     = "Zain",
+    paymentRowFailed     = "Huts eginda",
+
 
     onboarding = OnboardingStrings(
         back                    = "Back",

app/src/main/java/com/bitcointxoko/gudariwallet/i18n/Strings.kt

@@ -302,6 +302,7 @@ data class AppStrings(
     val paymentRowReceivedCD  : String,
     val paymentRowNoMemo      : String,
     val paymentRowPending     : String,
+    val paymentRowFailed     : String,
 
     val onboarding: OnboardingStrings
 )

app/src/main/java/com/bitcointxoko/gudariwallet/ui/history/HistoryUtils.kt

@@ -30,6 +30,9 @@ internal fun formatTimestamp(createdAt: Long?, rawTime: String): String {
 internal fun isPendingStatus(status: String): Boolean =
     status.lowercase() in setOf("pending", "in_flight", "inflight")
 
+internal fun isFailedStatus(status: String): Boolean =
+    status.lowercase() in setOf("failed", "error", "expired")
+
 // ── Composable helpers ───────────────────────────────────────────────────────
 
 @Composable
@@ -37,6 +40,7 @@ internal fun paymentAmountColor(status: String, isOutgoing: Boolean): Color {
     val semantic = semanticColors()
     return when {
         isPendingStatus(status) -> MaterialTheme.colorScheme.onSurfaceVariant
+        isFailedStatus(status) -> MaterialTheme.colorScheme.onSurfaceVariant
         isOutgoing -> MaterialTheme.colorScheme.onSurface
         else -> semantic.success
     }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/history/PaymentRow.kt

@@ -36,6 +36,7 @@ internal fun PaymentRow(
 ) {
     val strings     = LocalAppStrings.current
     val isPending   = isPendingStatus(payment.status)
+    val isFailed    = isFailedStatus(payment.status)
     val semantic    = semanticColors()
     val amountColor = paymentAmountColor(payment.status, payment.isOutgoing)
     val icon        = if (payment.isOutgoing) Icons.Default.ArrowUpward
@@ -80,15 +81,30 @@ internal fun PaymentRow(
                 style = MaterialTheme.typography.bodySmall,
                 color = MaterialTheme.colorScheme.onSurfaceVariant
             )
-            if (isPending) {
+            val statusLabel = when {
+                isPending -> strings.paymentRowPending
+                isFailed  -> strings.paymentRowFailed
+                else      -> null
+            }
+            val statusColor = when {
+                isPending -> semantic.warningContainer
+                isFailed  -> semantic.errorContainer
+                else      -> semantic.successContainer // fallback, won't be used
+            }
+            val statusContentColor = when {
+                isPending -> semantic.onWarningContainer
+                isFailed  -> semantic.onErrorContainer
+                else      -> semantic.onSuccessContainer
+            }
+            if (statusLabel != null) {
                 Spacer(Modifier.height(4.dp))
                 Surface(
                     shape        = MaterialTheme.shapes.extraSmall,
-                    color        = semantic.warningContainer,
-                    contentColor = semantic.onWarningContainer
+                    color        = statusColor,
+                    contentColor = statusContentColor
                 ) {
                     Text(
-                        text     = strings.paymentRowPending,                  // ← "Pending"
+                        text     = statusLabel,
                         style    = MaterialTheme.typography.labelSmall,
                         modifier = Modifier.padding(horizontal = 6.dp, vertical = 2.dp)
                     )