refactor: i18n ReceiveStrings

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

@@ -56,63 +56,6 @@ val EnHomeStrings = AppStrings(
     enterValidAmount      = "Enter a valid amount",
     satsUnit              = { sats -> "$sats sats" },
 
-    // ── ReceiveScreen — general ───────────────────────────────────────────────
-    receive               = "Receive",
-
-    // ── ReceiveScreen — error ─────────────────────────────────────────────────
-    receiveError          = "Error",
-
-    // ── ReceiveScreen — QR / share ────────────────────────────────────────────
-    lightningAddressQrCode  = "Lightning address QR code",
-    lightningAddressLabel   = "Lightning Address",
-    shareLightningAddress   = "Share Lightning Address",
-    lightningInvoiceQrCode  = "Lightning invoice QR code",
-    invoiceLabel            = "Invoice",
-    shareInvoice            = "Share Invoice",
-
-    // ── ReceiveScreen — amount step ───────────────────────────────────────────
-    amountInSats          = "Amount (sats)",
-    satsRange             = { min, max -> "$min – $max sats" },
-
-    // ── ReceiveScreen — memo step ─────────────────────────────────────────────
-    memoOptional          = "Memo (optional)",
-    memoPlaceholder       = "What's this for?",
-    creatingInvoice       = "Creating invoice…",
-    createInvoice         = "Create Invoice",
-
-    // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
-    waiting               = "Waiting…",
-    invoiceExpired        = "Invoice expired",
-    newInvoice            = "New Invoice",
-
-    // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
-    withdrawFrom          = "Withdraw from",
-    minimumSats           = { min -> "Minimum is $min sats" },
-    maximumSats           = { max -> "Maximum is $max sats" },
-    withdrawButton        = "Withdraw",
-    withdrawButtonAmount  = { amount -> "Withdraw $amount sats" },
-
-    // ── ReceiveScreen — success ───────────────────────────────────────────────
-    paymentReceived       = "Payment Received!",
-
-    // ── AmountDisplay ─────────────────────────────────────────────────────────
-    amountDisplaySats = { amount -> "$amount ${if (amount == 1L) "sat" else "sats"}" },
-
-    // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
-    brightnessReduce  = "Reduce brightness",
-    brightnessBoost   = "Boost brightness",
-    qrShare           = "Share",
-    qrCopy            = "Copy",
-    qrNfcStop         = "Stop NFC sharing",
-    qrNfcStart        = "Share via NFC",
-    openInApp         = "Open in app",
-    noAppFound        = "No compatible app found",
-
-    // ── ReceiveViewModel ──────────────────────────────────────────────────────
-    receiveVmFailedToCreateInvoice = "Failed to create invoice",
-    receiveVmWithdrawRejected      = "Withdraw service rejected the invoice",
-    receiveVmWithdrawFailed        = "Withdraw failed",
-
     // ── SendScreen — general ──────────────────────────────────────────────────
     send                  = "Send",
     paste                 = "Paste",
@@ -327,6 +270,7 @@ val EnHomeStrings = AppStrings(
         hideAdminKey            = "Hide",
         showAdminKey            = "Show",
         fieldsRequired          = "All fields are required.",
+        invalidKeyFormat        = "Invalid key format",
         connect                 = "Connect",
         notificationsTitle      = "Stay in the loop",
         notificationsSubtitle   = "Get notified instantly when you receive a payment.",
@@ -356,6 +300,65 @@ val EnHomeStrings = AppStrings(
         cancel           = "Cancel"
     ),
 
+    receive = ReceiveStrings(
+        // ── ReceiveScreen — general ───────────────────────────────────────────────
+        receive               = "Receive",
+
+        // ── ReceiveScreen — error ─────────────────────────────────────────────────
+        receiveError          = "Error",
+
+        // ── ReceiveScreen — QR / share ────────────────────────────────────────────
+        lightningAddressQrCode  = "Lightning address QR code",
+        lightningAddressLabel   = "Lightning Address",
+        shareLightningAddress   = "Share Lightning Address",
+        lightningInvoiceQrCode  = "Lightning invoice QR code",
+        invoiceLabel            = "Invoice",
+        shareInvoice            = "Share Invoice",
+
+        // ── ReceiveScreen — amount step ───────────────────────────────────────────
+        amountInSats          = "Amount (sats)",
+        satsRange             = { min, max -> "$min – $max sats" },
+
+        // ── ReceiveScreen — memo step ─────────────────────────────────────────────
+        memoOptional          = "Memo (optional)",
+        memoPlaceholder       = "What's this for?",
+        creatingInvoice       = "Creating invoice…",
+        createInvoice         = "Create Invoice",
+
+        // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
+        waiting               = "Waiting…",
+        invoiceExpired        = "Invoice expired",
+        newInvoice            = "New Invoice",
+
+        // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
+        withdrawFrom          = "Withdraw from",
+        minimumSats           = { min -> "Minimum is $min sats" },
+        maximumSats           = { max -> "Maximum is $max sats" },
+        withdrawButton        = "Withdraw",
+        withdrawButtonAmount  = { amount -> "Withdraw $amount sats" },
+
+        // ── ReceiveScreen — success ───────────────────────────────────────────────
+        paymentReceived       = "Payment Received!",
+
+        // ── AmountDisplay ─────────────────────────────────────────────────────────
+        amountDisplaySats = { amount -> "$amount ${if (amount == 1L) "sat" else "sats"}" },
+
+        // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
+        brightnessReduce  = "Reduce brightness",
+        brightnessBoost   = "Boost brightness",
+        qrShare           = "Share",
+        qrCopy            = "Copy",
+        qrNfcStop         = "Stop NFC sharing",
+        qrNfcStart        = "Share via NFC",
+        openInApp         = "Open in app",
+        noAppFound        = "No compatible app found",
+
+        // ── ReceiveViewModel ──────────────────────────────────────────────────────
+        receiveVmFailedToCreateInvoice = "Failed to create invoice",
+        receiveVmWithdrawRejected      = "Withdraw service rejected the invoice",
+        receiveVmWithdrawFailed        = "Withdraw failed",
+    ),
+
     nwc = NwcStrings(
         back     = "Back",
         next     = "Next",

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

@@ -56,63 +56,6 @@ val EsHomeStrings = AppStrings(
     enterValidAmount      = "Introduce una cantidad válida",
     satsUnit              = { sats -> "$sats sats" },
 
-    // ── ReceiveScreen — general ───────────────────────────────────────────────
-    receive               = "Recibir",
-
-    // ── ReceiveScreen — error ─────────────────────────────────────────────────
-    receiveError          = "Error",
-
-    // ── ReceiveScreen — QR / share ────────────────────────────────────────────
-    lightningAddressQrCode  = "Código QR de dirección Lightning",
-    lightningAddressLabel   = "Dirección Lightning",
-    shareLightningAddress   = "Compartir dirección Lightning",
-    lightningInvoiceQrCode  = "Código QR de factura Lightning",
-    invoiceLabel            = "Factura",
-    shareInvoice            = "Compartir factura",
-
-    // ── ReceiveScreen — amount step ───────────────────────────────────────────
-    amountInSats          = "Cantidad (sats)",
-    satsRange             = { min, max -> "$min – $max sats" },
-
-    // ── ReceiveScreen — memo step ─────────────────────────────────────────────
-    memoOptional          = "Nota (opcional)",
-    memoPlaceholder       = "¿Para qué es esto?",
-    creatingInvoice       = "Creando factura…",
-    createInvoice         = "Crear factura",
-
-    // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
-    waiting               = "Esperando…",
-    invoiceExpired        = "Factura expirada",
-    newInvoice            = "Nueva factura",
-
-    // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
-    withdrawFrom          = "Retirar de",
-    minimumSats           = { min -> "Mínimo es $min sats" },
-    maximumSats           = { max -> "Máximo es $max sats" },
-    withdrawButton        = "Retirar",
-    withdrawButtonAmount  = { amount -> "Retirar $amount sats" },
-
-    // ── ReceiveScreen — success ───────────────────────────────────────────────
-    paymentReceived       = "¡Pago recibido!",
-
-    // ── AmountDisplay ─────────────────────────────────────────────────────────
-    amountDisplaySats = { amount -> "$amount ${if (amount == 1L) "sat" else "sats"}" },
-
-    // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
-    brightnessReduce  = "Reducir brillo",
-    brightnessBoost   = "Aumentar brillo",
-    qrShare           = "Compartir",
-    qrCopy            = "Copiar",
-    qrNfcStop         = "Detener NFC",
-    qrNfcStart        = "Compartir por NFC",
-    openInApp         = "Abrir en app",
-    noAppFound        = "No hay aplicación compatible",
-
-    // ── ReceiveViewModel ──────────────────────────────────────────────────────
-    receiveVmFailedToCreateInvoice = "No se pudo crear la factura",
-    receiveVmWithdrawRejected      = "El servicio de retiro rechazó la factura",
-    receiveVmWithdrawFailed        = "Error al retirar",
-
     // ── SendScreen — general ──────────────────────────────────────────────────
     send                  = "Enviar",
     paste                 = "Pegar",
@@ -328,6 +271,7 @@ val EsHomeStrings = AppStrings(
         hideAdminKey            = "Ocultar",
         showAdminKey            = "Mostrar",
         fieldsRequired          = "Todos los campos son obligatorios.",
+        invalidKeyFormat        = "Formato de clave no válido",
         connect                 = "Conectar",
         notificationsTitle      = "Mantente al día",
         notificationsSubtitle   = "Recibe notificaciones al instante cuando recibas un pago.",
@@ -357,6 +301,65 @@ val EsHomeStrings = AppStrings(
         cancel           = "Cancelar"
     ),
 
+    receive = ReceiveStrings(
+        // ── ReceiveScreen — general ───────────────────────────────────────────────
+        receive               = "Recibir",
+
+        // ── ReceiveScreen — error ─────────────────────────────────────────────────
+        receiveError          = "Error",
+
+        // ── ReceiveScreen — QR / share ────────────────────────────────────────────
+        lightningAddressQrCode  = "Código QR de dirección Lightning",
+        lightningAddressLabel   = "Dirección Lightning",
+        shareLightningAddress   = "Compartir dirección Lightning",
+        lightningInvoiceQrCode  = "Código QR de factura Lightning",
+        invoiceLabel            = "Factura",
+        shareInvoice            = "Compartir factura",
+
+        // ── ReceiveScreen — amount step ───────────────────────────────────────────
+        amountInSats          = "Cantidad (sats)",
+        satsRange             = { min, max -> "$min – $max sats" },
+
+        // ── ReceiveScreen — memo step ─────────────────────────────────────────────
+        memoOptional          = "Nota (opcional)",
+        memoPlaceholder       = "¿Para qué es esto?",
+        creatingInvoice       = "Creando factura…",
+        createInvoice         = "Crear factura",
+
+        // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
+        waiting               = "Esperando…",
+        invoiceExpired        = "Factura expirada",
+        newInvoice            = "Nueva factura",
+
+        // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
+        withdrawFrom          = "Retirar de",
+        minimumSats           = { min -> "Mínimo es $min sats" },
+        maximumSats           = { max -> "Máximo es $max sats" },
+        withdrawButton        = "Retirar",
+        withdrawButtonAmount  = { amount -> "Retirar $amount sats" },
+
+        // ── ReceiveScreen — success ───────────────────────────────────────────────
+        paymentReceived       = "¡Pago recibido!",
+
+        // ── AmountDisplay ─────────────────────────────────────────────────────────
+        amountDisplaySats = { amount -> "$amount ${if (amount == 1L) "sat" else "sats"}" },
+
+        // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
+        brightnessReduce  = "Reducir brillo",
+        brightnessBoost   = "Aumentar brillo",
+        qrShare           = "Compartir",
+        qrCopy            = "Copiar",
+        qrNfcStop         = "Detener NFC",
+        qrNfcStart        = "Compartir por NFC",
+        openInApp         = "Abrir en app",
+        noAppFound        = "No hay aplicación compatible",
+
+        // ── ReceiveViewModel ──────────────────────────────────────────────────────
+        receiveVmFailedToCreateInvoice = "No se pudo crear la factura",
+        receiveVmWithdrawRejected      = "El servicio de retiro rechazó la factura",
+        receiveVmWithdrawFailed        = "Error al retirar",
+    ),
+
     nwc = NwcStrings(
         // ── Shared ────────────────────────────────────────────────────────────────
         back     = "Atrás",

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

@@ -55,63 +55,6 @@ val EuStrings = AppStrings(
     enterValidAmount      = "Sartu zenbateko baliogarri bat",
     satsUnit              = { sats -> "$sats sat" },
 
-    // ── ReceiveScreen — general ───────────────────────────────────────────────
-    receive               = "Jaso",
-
-    // ── ReceiveScreen — error ─────────────────────────────────────────────────
-    receiveError          = "Errorea",
-
-    // ── ReceiveScreen — QR / share ────────────────────────────────────────────
-    lightningAddressQrCode  = "Lightning helbidearen QR kodea",
-    lightningAddressLabel   = "Lightning helbidea",
-    shareLightningAddress   = "Partekatu Lightning helbidea",
-    lightningInvoiceQrCode  = "Lightning fakturaren QR kodea",
-    invoiceLabel            = "Faktura",
-    shareInvoice            = "Partekatu faktura",
-
-    // ── ReceiveScreen — amount step ───────────────────────────────────────────
-    amountInSats          = "Zenbatekoa (sat)",
-    satsRange             = { min, max -> "$min – $max sat" },
-
-    // ── ReceiveScreen — memo step ─────────────────────────────────────────────
-    memoOptional          = "Oharra (aukerakoa)",
-    memoPlaceholder       = "Zertarako da hau?",
-    creatingInvoice       = "Faktura sortzen…",
-    createInvoice         = "Sortu faktura",
-
-    // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
-    waiting               = "Zain…",
-    invoiceExpired        = "Faktura iraungita",
-    newInvoice            = "Faktura berria",
-
-    // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
-    withdrawFrom          = "Atera hemendik:",
-    minimumSats           = { min -> "Gutxienekoa $min sat da" },
-    maximumSats           = { max -> "Gehienekoa $max sat da" },
-    withdrawButton        = "Atera",
-    withdrawButtonAmount  = { amount -> "Atera $amount sat" },
-
-    // ── ReceiveScreen — success ───────────────────────────────────────────────
-    paymentReceived       = "Ordainketa jasota!",
-
-    // ── AmountDisplay ─────────────────────────────────────────────────────────
-    amountDisplaySats = { amount -> "$amount sat" },
-
-    // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
-    brightnessReduce  = "Murriztu distira",
-    brightnessBoost   = "Handitu distira",
-    qrShare           = "Partekatu",
-    qrCopy            = "Kopiatu",
-    qrNfcStop         = "Gelditu NFC partekatzea",
-    qrNfcStart        = "Partekatu NFC bidez",
-    openInApp         = "Ireki aplikazioan",
-    noAppFound        = "Ez da aurkitu aplikazio bateragarririk",
-
-    // ── ReceiveViewModel ──────────────────────────────────────────────────────
-    receiveVmFailedToCreateInvoice = "Ezin izan da faktura sortu",
-    receiveVmWithdrawRejected      = "Ateratzeko zerbitzuak faktura baztertu du",
-    receiveVmWithdrawFailed        = "Ateratzeak huts egin du",
-
     // ── SendScreen — general ──────────────────────────────────────────────────
     send                  = "Bidali",
     paste                 = "Itsatsi",
@@ -327,6 +270,7 @@ val EuStrings = AppStrings(
         hideAdminKey            = "Ezkutatu",
         showAdminKey            = "Erakutsi",
         fieldsRequired          = "Eremu guztiak beharrezkoak dira.",
+        invalidKeyFormat        = "Gako formatu baliogabea",
         connect                 = "Konektatu",
         notificationsTitle      = "Egon eguneratuta",
         notificationsSubtitle   = "Jaso jakinarazpenak berehala transakzio bat jasotzen duzunean.",
@@ -355,6 +299,65 @@ val EuStrings = AppStrings(
         schedule         = "Programatu",
         cancel           = "Utzi"
     ),
+
+    receive = ReceiveStrings(
+        // ── ReceiveScreen — general ───────────────────────────────────────────────
+        receive               = "Jaso",
+
+        // ── ReceiveScreen — error ─────────────────────────────────────────────────
+        receiveError          = "Errorea",
+
+        // ── ReceiveScreen — QR / share ────────────────────────────────────────────
+        lightningAddressQrCode  = "Lightning helbidearen QR kodea",
+        lightningAddressLabel   = "Lightning helbidea",
+        shareLightningAddress   = "Partekatu Lightning helbidea",
+        lightningInvoiceQrCode  = "Lightning fakturaren QR kodea",
+        invoiceLabel            = "Faktura",
+        shareInvoice            = "Partekatu faktura",
+
+        // ── ReceiveScreen — amount step ───────────────────────────────────────────
+        amountInSats          = "Zenbatekoa (sat)",
+        satsRange             = { min, max -> "$min – $max sat" },
+
+        // ── ReceiveScreen — memo step ─────────────────────────────────────────────
+        memoOptional          = "Oharra (aukerakoa)",
+        memoPlaceholder       = "Zertarako da hau?",
+        creatingInvoice       = "Faktura sortzen…",
+        createInvoice         = "Sortu faktura",
+
+        // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
+        waiting               = "Zain…",
+        invoiceExpired        = "Faktura iraungita",
+        newInvoice            = "Faktura berria",
+
+        // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
+        withdrawFrom          = "Atera hemendik:",
+        minimumSats           = { min -> "Gutxienekoa $min sat da" },
+        maximumSats           = { max -> "Gehienekoa $max sat da" },
+        withdrawButton        = "Atera",
+        withdrawButtonAmount  = { amount -> "Atera $amount sat" },
+
+        // ── ReceiveScreen — success ───────────────────────────────────────────────
+        paymentReceived       = "Ordainketa jasota!",
+
+        // ── AmountDisplay ─────────────────────────────────────────────────────────
+        amountDisplaySats = { amount -> "$amount sat" },
+
+        // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
+        brightnessReduce  = "Murriztu distira",
+        brightnessBoost   = "Handitu distira",
+        qrShare           = "Partekatu",
+        qrCopy            = "Kopiatu",
+        qrNfcStop         = "Gelditu NFC partekatzea",
+        qrNfcStart        = "Partekatu NFC bidez",
+        openInApp         = "Ireki aplikazioan",
+        noAppFound        = "Ez da aurkitu aplikazio bateragarririk",
+
+        // ── ReceiveViewModel ──────────────────────────────────────────────────────
+        receiveVmFailedToCreateInvoice = "Ezin izan da faktura sortu",
+        receiveVmWithdrawRejected      = "Ateratzeko zerbitzuak faktura baztertu du",
+        receiveVmWithdrawFailed        = "Ateratzeak huts egin du",
+    ),
     nwc = NwcStrings(
         // ── Shared ────────────────────────────────────────────────────────────────
         back     = "Atzera",

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

@@ -64,63 +64,6 @@ data class AppStrings(
     val enterValidAmount      : String,
     val satsUnit              : (sats: Long) -> String,
 
-    // ── ReceiveScreen — general ───────────────────────────────────────────────
-    val receive               : String,
-
-    // ── ReceiveScreen — error ─────────────────────────────────────────────────
-    val receiveError          : String,
-
-    // ── ReceiveScreen — QR / share ────────────────────────────────────────────
-    val lightningAddressQrCode  : String,
-    val lightningAddressLabel   : String,
-    val shareLightningAddress   : String,
-    val lightningInvoiceQrCode  : String,
-    val invoiceLabel            : String,
-    val shareInvoice            : String,
-
-    // ── ReceiveScreen — amount step ───────────────────────────────────────────
-    val amountInSats          : String,                        // text field label
-    val satsRange             : (min: Long, max: Long) -> String,
-
-    // ── ReceiveScreen — memo step ─────────────────────────────────────────────
-    val memoOptional          : String,
-    val memoPlaceholder       : String,
-    val creatingInvoice       : String,
-    val createInvoice         : String,
-
-    // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
-    val waiting               : String,
-    val invoiceExpired        : String,
-    val newInvoice            : String,
-
-    // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
-    val withdrawFrom          : String,
-    val minimumSats           : (min: Long) -> String,
-    val maximumSats           : (max: Long) -> String,
-    val withdrawButton        : String,                        // no fixed amount
-    val withdrawButtonAmount  : (amountSats: Long) -> String, // fixed amount
-
-    // ── ReceiveScreen — success ───────────────────────────────────────────────
-    val paymentReceived       : String,
-
-    // ── AmountDisplay ─────────────────────────────────────────────────────────
-    val amountDisplaySats : (amount: Long) -> String,
-
-    // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
-    val brightnessReduce  : String,
-    val brightnessBoost   : String,
-    val qrShare           : String,
-    val qrCopy            : String,
-    val qrNfcStop         : String,
-    val qrNfcStart        : String,
-    val openInApp         : String,
-    val noAppFound        : String,
-
-    // ── ReceiveViewModel ──────────────────────────────────────────────────────
-    val receiveVmFailedToCreateInvoice : String,
-    val receiveVmWithdrawRejected      : String,
-    val receiveVmWithdrawFailed        : String,
-
     // ── SendScreen — general ──────────────────────────────────────────────────
     val send                  : String,
     val paste                 : String,
@@ -307,6 +250,7 @@ data class AppStrings(
     val paymentRowFailed     : String,
 
     val onboarding: OnboardingStrings,
+    val receive: ReceiveStrings,
     val nwc: NwcStrings
 )
 
@@ -325,6 +269,7 @@ data class OnboardingStrings(
     val hideAdminKey: String,
     val connect: String,
     val fieldsRequired: String,
+    val invalidKeyFormat: String,
     val back: String,
     val next: String,
     val done: String,
@@ -356,6 +301,65 @@ data class OnboardingStrings(
     val cancel: String
 )
 
+data class ReceiveStrings(
+    // ── ReceiveScreen — general ───────────────────────────────────────────────
+    val receive               : String,
+
+    // ── ReceiveScreen — error ─────────────────────────────────────────────────
+    val receiveError          : String,
+
+    // ── ReceiveScreen — QR / share ────────────────────────────────────────────
+    val lightningAddressQrCode  : String,
+    val lightningAddressLabel   : String,
+    val shareLightningAddress   : String,
+    val lightningInvoiceQrCode  : String,
+    val invoiceLabel            : String,
+    val shareInvoice            : String,
+
+    // ── ReceiveScreen — amount step ───────────────────────────────────────────
+    val amountInSats          : String,                        // text field label
+    val satsRange             : (min: Long, max: Long) -> String,
+
+    // ── ReceiveScreen — memo step ─────────────────────────────────────────────
+    val memoOptional          : String,
+    val memoPlaceholder       : String,
+    val creatingInvoice       : String,
+    val createInvoice         : String,
+
+    // ── ReceiveScreen — invoice ready ─────────────────────────────────────────
+    val waiting               : String,
+    val invoiceExpired        : String,
+    val newInvoice            : String,
+
+    // ── ReceiveScreen — lnurl withdraw ────────────────────────────────────────
+    val withdrawFrom          : String,
+    val minimumSats           : (min: Long) -> String,
+    val maximumSats           : (max: Long) -> String,
+    val withdrawButton        : String,                        // no fixed amount
+    val withdrawButtonAmount  : (amountSats: Long) -> String, // fixed amount
+
+    // ── ReceiveScreen — success ───────────────────────────────────────────────
+    val paymentReceived       : String,
+
+    // ── AmountDisplay ─────────────────────────────────────────────────────────
+    val amountDisplaySats : (amount: Long) -> String,
+
+    // ── BrightnessToggleButton & QrDisplayCard ────────────────────────────────
+    val brightnessReduce  : String,
+    val brightnessBoost   : String,
+    val qrShare           : String,
+    val qrCopy            : String,
+    val qrNfcStop         : String,
+    val qrNfcStart        : String,
+    val openInApp         : String,
+    val noAppFound        : String,
+
+    // ── ReceiveViewModel ──────────────────────────────────────────────────────
+    val receiveVmFailedToCreateInvoice : String,
+    val receiveVmWithdrawRejected      : String,
+    val receiveVmWithdrawFailed        : String,
+)
+
 data class NwcStrings(
 
     // ── Shared / navigation ───────────────────────────────────────────────────

app/src/main/java/com/bitcointxoko/gudariwallet/ui/common/QrDisplayCard.kt

@@ -121,7 +121,7 @@ internal fun QrDisplayCard(
             ) {
                 Icon(
                     imageVector        = Icons.Filled.Share,
-                    contentDescription = strings.qrShare,
+                    contentDescription = strings.receive.qrShare,
                     tint               = MaterialTheme.colorScheme.onSurfaceVariant
                 )
             }
@@ -138,7 +138,7 @@ internal fun QrDisplayCard(
             ) {
                 Icon(
                     imageVector        = Icons.Filled.ContentCopy,
-                    contentDescription = strings.qrCopy,
+                    contentDescription = strings.receive.qrCopy,
                     tint               = MaterialTheme.colorScheme.onSurfaceVariant
                 )
             }
@@ -147,8 +147,8 @@ internal fun QrDisplayCard(
             FilledTonalIconButton(onClick = onToggleBrightness) {
                 Icon(
                     imageVector        = Icons.Filled.WbSunny,
-                    contentDescription = if (brightnessOn) strings.brightnessReduce
+                    contentDescription = if (brightnessOn) strings.receive.brightnessReduce
-                    else              strings.brightnessBoost,
+                    else              strings.receive.brightnessBoost,
                     tint               = if (brightnessOn) MaterialTheme.colorScheme.primary
                     else              MaterialTheme.colorScheme.onSurfaceVariant
                 )
@@ -163,8 +163,8 @@ internal fun QrDisplayCard(
                     Icon(
                         imageVector        = if (isNfcEmulating) Icons.Filled.Nfc
                         else                Icons.Outlined.Nfc,
-                        contentDescription = if (isNfcEmulating) strings.qrNfcStop
+                        contentDescription = if (isNfcEmulating) strings.receive.qrNfcStop
-                        else                 strings.qrNfcStart,
+                        else                 strings.receive.qrNfcStart,
                         tint               = if (isNfcEmulating) MaterialTheme.colorScheme.primary
                         else                 MaterialTheme.colorScheme.onSurfaceVariant
                     )
@@ -176,7 +176,7 @@ internal fun QrDisplayCard(
                 IconButton(onClick = onOpenUri) {
                     Icon(
                         imageVector        = Icons.AutoMirrored.Filled.OpenInNew,
-                        contentDescription = strings.openInApp,
+                        contentDescription = strings.receive.openInApp,
                         tint               = MaterialTheme.colorScheme.onSurfaceVariant
                     )
                 }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/onboarding/OnboardingScreen.kt

@@ -27,13 +27,13 @@ private const val PAGE_INVOICE       = 2
 private const val PAGE_ADMIN         = 3
 private const val PAGE_NOTIFICATIONS = 4
 private const val PAGE_BATTERY       = 5
-private const val PAGE_SYNC          = 6   // ← new
+private const val PAGE_SYNC          = 6
-private const val PAGE_COUNT         = 7   // ← was 6
+private const val PAGE_COUNT         = 7
 
 @Composable
 fun OnboardingScreen(
     secretStore                    : SecretStore,
-    syncStore                      : HistoricalSyncStore,   // ← new
+    syncStore                      : HistoricalSyncStore,
     onRequestNotificationPermission: () -> Unit,
     onComplete                     : () -> Unit
 ) {
@@ -46,12 +46,11 @@ fun OnboardingScreen(
     var adminKey     by remember { mutableStateOf("") }
     var adminVisible by remember { mutableStateOf(false) }
     var error        by remember { mutableStateOf<String?>(null) }
-    var credentialsSaved by remember { mutableStateOf(false) }
+    // var credentialsSaved by remember { mutableStateOf(false) }
 
     // ── Sync state ────────────────────────────────────────────────────────────
     val vm: OnboardingViewModel = viewModel(
         factory = OnboardingViewModelFactory(
-            // LocalContext.current.applicationContext cast to Application
             app         = androidx.compose.ui.platform.LocalContext.current
                 .applicationContext as android.app.Application,
             secretStore = secretStore,
@@ -65,31 +64,33 @@ fun OnboardingScreen(
 
     LaunchedEffect(pagerState.currentPage) { error = null }
 
-//    var previousPage by remember { mutableIntStateOf(0) }
+    val hexKeyRegex = Regex("^[0-9a-f]{32}$")
-//    LaunchedEffect(pagerState.currentPage) {
-//        val current = pagerState.currentPage
-//        if (current > previousPage) {
-//            // User moved forward — save whatever the previous page owned
-//            when (previousPage) {
-//                PAGE_SERVER_URL -> secretStore.saveBaseUrl(baseUrl)
-//                PAGE_INVOICE    -> secretStore.saveInvoiceKey(invoiceKey)
-//                PAGE_ADMIN      -> secretStore.saveAdminKey(adminKey)
-//                else            -> Unit
-//            }
-//        }
-//        previousPage = current
-//    }
 
     fun validateCurrentPage(): Boolean {
         error = when (pagerState.currentPage) {
-            PAGE_SERVER_URL -> if (baseUrl.isBlank())    strings.onboarding.fieldsRequired else null
+            PAGE_SERVER_URL -> when {
-            PAGE_INVOICE    -> if (invoiceKey.isBlank()) strings.onboarding.fieldsRequired else null
+                baseUrl.isBlank() -> strings.onboarding.fieldsRequired
-            PAGE_ADMIN      -> if (adminKey.isBlank())   strings.onboarding.fieldsRequired else null
+                else              -> null
+            }
+
+            PAGE_INVOICE -> when {
+                invoiceKey.isBlank()                    -> strings.onboarding.fieldsRequired
+                !hexKeyRegex.matches(invoiceKey)      -> strings.onboarding.invalidKeyFormat
+                else                                    -> null
+            }
+
+            PAGE_ADMIN -> when {
+                adminKey.isBlank()                      -> strings.onboarding.fieldsRequired
+                !hexKeyRegex.matches(adminKey)        -> strings.onboarding.invalidKeyFormat
+                else                                    -> null
+            }
+
             else -> null
         }
         return error == null
     }
 
+
     Scaffold { innerPadding ->
         Column(
             modifier = Modifier
@@ -128,7 +129,7 @@ fun OnboardingScreen(
                         onSchedule    = { delayMs -> vm.enqueueHistoricalSync(delayMillis = delayMs) },
                         onContinue    = {
                             scope.launch {
-                                secretStore.setOnboarded()  // moved here from PAGE_BATTERY
+                                secretStore.setOnboarded()
                                 onComplete()
                             }
                         },
@@ -168,7 +169,7 @@ fun OnboardingScreen(
                         Spacer(Modifier.width(1.dp))
                     }
 
-                    val isLastPage = pagerState.currentPage == PAGE_BATTERY
+                    // val isLastPage = pagerState.currentPage == PAGE_BATTERY
 
                     Button(onClick = {
                         if (!validateCurrentPage()) return@Button

app/src/main/java/com/bitcointxoko/gudariwallet/ui/receive/AmountDisplay.kt

@@ -25,7 +25,7 @@ internal fun AmountDisplay(
     val strings = LocalAppStrings.current
 
     Text(
-        text       = strings.amountDisplaySats(amountSats),                    // ← "1 sat" or "X sats"
+        text       = strings.receive.amountDisplaySats(amountSats),                    // ← "1 sat" or "X sats"
         style      = style,
         fontWeight = FontWeight.Bold
     )

app/src/main/java/com/bitcointxoko/gudariwallet/ui/receive/BrightnessToggleButton.kt

@@ -20,8 +20,8 @@ internal fun BrightnessToggleButton(
         Icon(
             imageVector        = if (isOn) Icons.Filled.BrightnessHigh
             else      Icons.Filled.BrightnessLow,
-            contentDescription = if (isOn) strings.brightnessReduce           // ← "Reduce brightness"
+            contentDescription = if (isOn) strings.receive.brightnessReduce           // ← "Reduce brightness"
-            else      strings.brightnessBoost,            // ← "Boost brightness"
+            else      strings.receive.brightnessBoost,            // ← "Boost brightness"
             tint               = if (isOn) MaterialTheme.colorScheme.primary
             else      MaterialTheme.colorScheme.onSurfaceVariant
         )

app/src/main/java/com/bitcointxoko/gudariwallet/ui/receive/ReceiveScreen.kt

@@ -130,7 +130,7 @@ fun ReceiveScreen(
                                 vm.createInvoice(
                                     amountSats,
                                     memo,
-                                    failedToCreateInvoice = strings.receiveVmFailedToCreateInvoice
+                                    failedToCreateInvoice = strings.receive.receiveVmFailedToCreateInvoice
                                 )
                             }
                         )
@@ -145,9 +145,9 @@ fun ReceiveScreen(
                                     callback   = state.callback,
                                     amountSats = amountSats,
                                     memo       = state.defaultDescription,
-                                    failedToCreateInvoice = strings.receiveVmFailedToCreateInvoice,
+                                    failedToCreateInvoice = strings.receive.receiveVmFailedToCreateInvoice,
-                                    withdrawRejected      = strings.receiveVmWithdrawRejected,
+                                    withdrawRejected      = strings.receive.receiveVmWithdrawRejected,
-                                    withdrawFailed        = strings.receiveVmWithdrawFailed,
+                                    withdrawFailed        = strings.receive.receiveVmWithdrawFailed,
                                 )
                             },
                             onDismiss = { vm.resetReceiveState() }
@@ -172,7 +172,7 @@ fun ReceiveScreen(
                                 modifier            = Modifier.padding(24.dp)
                             ) {
                                 Text(
-                                    text  = strings.receiveError,          // ← "Error"
+                                    text  = strings.receive.receiveError,          // ← "Error"
                                     style = MaterialTheme.typography.titleMedium,
                                     color = MaterialTheme.colorScheme.error
                                 )
@@ -225,8 +225,8 @@ private fun LnurlWithdrawSheet(
         val parsed = amountText.trim().toLongOrNull()
         return when {
             parsed == null || parsed <= 0 -> { amountError = strings.enterValidAmount;          null }  // ← "Enter a valid amount"
-            parsed < state.minSats        -> { amountError = strings.minimumSats(state.minSats); null }  // ← "Minimum is X sats"
+            parsed < state.minSats        -> { amountError = strings.receive.minimumSats(state.minSats); null }  // ← "Minimum is X sats"
-            parsed > state.maxSats        -> { amountError = strings.maximumSats(state.maxSats); null }  // ← "Maximum is X sats"
+            parsed > state.maxSats        -> { amountError = strings.receive.maximumSats(state.maxSats); null }  // ← "Maximum is X sats"
             else                          -> { amountError = null; parsed }
         }
     }
@@ -247,7 +247,7 @@ private fun LnurlWithdrawSheet(
             Spacer(Modifier.size(12.dp))
             Column {
                 Text(
-                    text  = strings.withdrawFrom,                          // ← "Withdraw from"
+                    text  = strings.receive.withdrawFrom,                          // ← "Withdraw from"
                     style = MaterialTheme.typography.labelMedium,
                     color = MaterialTheme.colorScheme.onSurfaceVariant
                 )
@@ -286,7 +286,7 @@ private fun LnurlWithdrawSheet(
                         color = MaterialTheme.colorScheme.onSecondaryContainer
                     )
                     Text(
-                        text       = strings.withdrawButtonAmount(state.maxSats), // ← "X sats"
+                        text       = strings.receive.withdrawButtonAmount(state.maxSats), // ← "X sats"
                         style      = MaterialTheme.typography.titleMedium,
                         fontWeight = FontWeight.Bold,
                         color      = MaterialTheme.colorScheme.onSecondaryContainer
@@ -297,12 +297,12 @@ private fun LnurlWithdrawSheet(
             OutlinedTextField(
                 value           = amountText,
                 onValueChange   = { amountText = it; amountError = null },
-                label           = { Text(strings.amountInSats) },          // ← "Amount (sats)"
+                label           = { Text(strings.receive.amountInSats) },          // ← "Amount (sats)"
                 supportingText  = {
                     if (amountError != null)
                         Text(amountError!!, color = MaterialTheme.colorScheme.error)
                     else
-                        Text(strings.satsRange(state.minSats, state.maxSats)) // ← "X – Y sats"
+                        Text(strings.receive.satsRange(state.minSats, state.maxSats)) // ← "X – Y sats"
                 },
                 isError         = amountError != null,
                 keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
@@ -321,8 +321,8 @@ private fun LnurlWithdrawSheet(
             modifier = Modifier.fillMaxWidth()
         ) {
             Text(
-                if (fixedAmount) strings.withdrawButtonAmount(state.maxSats)  // ← "Withdraw X sats"
+                if (fixedAmount) strings.receive.withdrawButtonAmount(state.maxSats)  // ← "Withdraw X sats"
-                else             strings.withdrawButton                        // ← "Withdraw"
+                else             strings.receive.withdrawButton                        // ← "Withdraw"
             )
         }
 
@@ -379,7 +379,7 @@ private fun ReceiveIdleContent(
             horizontalArrangement = Arrangement.SpaceBetween
         ) {
             Text(
-                text  = strings.receive,                                   // ← "Receive"
+                text  = strings.receive.receive,                                   // ← "Receive"
                 style = MaterialTheme.typography.headlineSmall
             )
             if (lightningAddress != null) {
@@ -421,9 +421,9 @@ private fun ReceiveIdleContent(
 
                     QrDisplayCard(
                         content = lightningAddress,
-                        contentDescription = strings.lightningAddressQrCode,  // ← "Lightning address QR code"
+                        contentDescription = strings.receive.lightningAddressQrCode,  // ← "Lightning address QR code"
-                        clipLabel = strings.lightningAddressLabel,    // ← "Lightning Address"
+                        clipLabel = strings.receive.lightningAddressLabel,    // ← "Lightning Address"
-                        shareTitle = strings.shareLightningAddress,    // ← "Share Lightning Address"
+                        shareTitle = strings.receive.shareLightningAddress,    // ← "Share Lightning Address"
                         textToCopy = lightningAddress,
                         brightnessOn = brightnessOn,
                         onToggleBrightness = onToggleBrightness
@@ -587,8 +587,8 @@ private fun MemoStepContent(
         OutlinedTextField(
             value         = memo,
             onValueChange = { memo = it },
-            label         = { Text(strings.memoOptional) },               // ← "Memo (optional)"
+            label         = { Text(strings.receive.memoOptional) },               // ← "Memo (optional)"
-            placeholder   = { Text(strings.memoPlaceholder) },            // ← "What's this for?"
+            placeholder   = { Text(strings.receive.memoPlaceholder) },            // ← "What's this for?"
             singleLine    = true,
             modifier      = Modifier.fillMaxWidth()
         )
@@ -603,8 +603,8 @@ private fun MemoStepContent(
             modifier = Modifier.fillMaxWidth()
         ) {
             Text(
-                if (isLoading) strings.creatingInvoice                    // ← "Creating invoice…"
+                if (isLoading) strings.receive.creatingInvoice                    // ← "Creating invoice…"
-                else           strings.createInvoice                      // ← "Create Invoice"
+                else           strings.receive.createInvoice                      // ← "Create Invoice"
             )
         }
 
@@ -665,9 +665,9 @@ private fun ReceiveInvoiceContent(
 
         QrDisplayCard(
             content = state.bolt11.uppercase(),
-            contentDescription = strings.lightningInvoiceQrCode,          // ← "Lightning invoice QR code"
+            contentDescription = strings.receive.lightningInvoiceQrCode,          // ← "Lightning invoice QR code"
-            clipLabel = strings.invoiceLabel,                     // ← "Invoice"
+            clipLabel = strings.receive.invoiceLabel,                     // ← "Invoice"
-            shareTitle = strings.shareInvoice,                     // ← "Share Invoice"
+            shareTitle = strings.receive.shareInvoice,                     // ← "Share Invoice"
             textToCopy = state.bolt11,
             brightnessOn = brightnessOn,
             onToggleBrightness = onToggleBrightness,
@@ -693,7 +693,7 @@ private fun ReceiveInvoiceContent(
             if (!isExpired) {
                 CircularProgressIndicator(modifier = Modifier.size(16.dp), strokeWidth = 2.dp)
                 Text(
-                    text  = strings.waiting,                               // ← "Waiting…"
+                    text  = strings.receive.waiting,                               // ← "Waiting…"
                     style = MaterialTheme.typography.bodySmall,
                     color = MaterialTheme.colorScheme.onSurfaceVariant
                 )
@@ -704,7 +704,7 @@ private fun ReceiveInvoiceContent(
                 )
             } else {
                 Text(
-                    text  = strings.invoiceExpired,                        // ← "Invoice expired"
+                    text  = strings.receive.invoiceExpired,                        // ← "Invoice expired"
                     style = MaterialTheme.typography.bodySmall,
                     color = MaterialTheme.colorScheme.error
                 )
@@ -716,7 +716,7 @@ private fun ReceiveInvoiceContent(
             modifier = Modifier.fillMaxWidth()
         ) {
             Text(
-                if (isExpired) strings.newInvoice                          // ← "New Invoice"
+                if (isExpired) strings.receive.newInvoice                          // ← "New Invoice"
                 else           strings.cancel                              // ← "Cancel"
             )
         }
@@ -750,7 +750,7 @@ private fun ReceiveSuccessContent(
         )
         Spacer(Modifier.height(16.dp))
         Text(
-            text  = strings.paymentReceived,                               // ← "Payment Received!"
+            text  = strings.receive.paymentReceived,                               // ← "Payment Received!"
             style = MaterialTheme.typography.headlineSmall
         )
         Spacer(Modifier.height(8.dp))

app/src/main/java/com/bitcointxoko/gudariwallet/ui/receive/ReceiveViewModel.kt

@@ -44,7 +44,7 @@ class ReceiveViewModel(
     // ── Invoice creation ──────────────────────────────────────────────────────
     /**
      * @param failedToCreateInvoice  Localised error string from the call site,
-     *                               e.g. `strings.receiveVmFailedToCreateInvoice`
+     *                               e.g. `strings.receive.receiveVmFailedToCreateInvoice`
      */
     fun createInvoice(
         amountSats             : Long,
@@ -104,9 +104,9 @@ class ReceiveViewModel(
     }
 
     /**
-     * @param failedToCreateInvoice  `strings.receiveVmFailedToCreateInvoice`
+     * @param failedToCreateInvoice  `strings.receive.receiveVmFailedToCreateInvoice`
-     * @param withdrawRejected       `strings.receiveVmWithdrawRejected`
+     * @param withdrawRejected       `strings.receive.receiveVmWithdrawRejected`
-     * @param withdrawFailed         `strings.receiveVmWithdrawFailed`
+     * @param withdrawFailed         `strings.receive.receiveVmWithdrawFailed`
      */
     fun executeWithdraw(
         k1                    : String,

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/LnurlPayForm.kt

@@ -59,7 +59,7 @@ internal fun LnurlPayForm(
         OutlinedTextField(
             value         = amount,
             onValueChange = { if (it.all(Char::isDigit)) amount = it },
-            label         = { Text(strings.amountInSats) },               // ← "Amount (sats)"
+            label         = { Text(strings.receive.amountInSats) },               // ← "Amount (sats)"
             isError       = amount.isNotBlank() && !isAmountValid,
             supportingText = {
                 when {
@@ -88,7 +88,7 @@ internal fun LnurlPayForm(
                             )
                     }
                     // Sats-only range when no fiat rate
-                    !isFixed -> Text(strings.satsRange(state.minSats, state.maxSats)) // ← "X – Y sats"
+                    !isFixed -> Text(strings.receive.satsRange(state.minSats, state.maxSats)) // ← "X – Y sats"
                     else     -> {}
                 }
             },