Phase 6: Translate User Pages - exchange, trades, invites, profile

- Expand exchange.json with all exchange page strings (page, steps, detailsStep, bookingStep, confirmationStep, priceDisplay)
- Create trades.json translation files for es, en, ca
- Create invites.json translation files for es, en, ca
- Create profile.json translation files for es, en, ca
- Translate exchange page and all components (ExchangeDetailsStep, BookingStep, ConfirmationStep, StepIndicator, PriceDisplay)
- Translate trades page (titles, sections, buttons, status labels)
- Translate invites page (titles, sections, status badges, copy button)
- Translate profile page (form labels, hints, placeholders, messages)
- Update IntlProvider to load all new namespaces
- All frontend tests passing

frontend/locales/ca/exchange.json

@@ -8,10 +8,70 @@
   },
   "direction": {
     "buy": "COMPRAR BTC",
-    "sell": "VENDRE BTC"
+    "sell": "VENDRE BTC",
+    "buyShort": "Comprar BTC",
+    "sellShort": "Vendre BTC"
   },
   "transferMethod": {
     "onchain": "Onchain",
     "lightning": "Lightning"
+  },
+  "page": {
+    "title": "Intercanviar Bitcoin",
+    "subtitle": "Compra o ven Bitcoin amb una prima del 5%",
+    "viewExistingTrade": "Veure la teva operació existent →"
+  },
+  "steps": {
+    "details": "Detalls de l'Intercanvi",
+    "booking": "Reservar Cita",
+    "confirm": "Confirmar"
+  },
+  "detailsStep": {
+    "paymentMethod": "Mètode de Pagament",
+    "required": "*",
+    "lightningThreshold": "Els pagaments Lightning només estan disponibles per importants fins a €{max}",
+    "amount": "Quantitat (EUR)",
+    "summaryBuy": "Compres {sats}, vens {eur}",
+    "summarySell": "Compres {eur}, vens {sats}",
+    "continueToBooking": "Continuar a Reserva"
+  },
+  "bookingStep": {
+    "yourExchange": "El Teu Intercanvi",
+    "edit": "Editar",
+    "buy": "Comprar",
+    "sell": "Vendre",
+    "receiveVia": "Rebre via",
+    "sendVia": "Enviar via",
+    "selectDate": "Seleccionar una Data",
+    "existingTradeWarning": "Ja tens una operació reservada en aquest dia. Només pots reservar una operació per dia.",
+    "viewExistingTrade": "Veure la teva operació existent →",
+    "availableSlots": "Espais Disponibles per a",
+    "loadingSlots": "Carregant espais...",
+    "noSlots": "No hi ha espais disponibles per a aquesta data"
+  },
+  "confirmationStep": {
+    "appointment": "Cita",
+    "edit": "Editar",
+    "confirmTrade": "Confirmar Operació",
+    "time": "Hora:",
+    "direction": "Direcció:",
+    "eur": "EUR:",
+    "btc": "BTC:",
+    "rate": "Taxa:",
+    "payment": "Pagament:",
+    "receiveVia": "Rebre via",
+    "sendVia": "Enviar via",
+    "booking": "Reservant...",
+    "priceStale": "Preu Desactualitzat",
+    "confirmBuy": "Confirmar Compra",
+    "confirmSell": "Confirmar Venda",
+    "back": "Enrere"
+  },
+  "priceDisplay": {
+    "loading": "Carregant preu...",
+    "market": "Mercat:",
+    "ourPrice": "El nostre preu:",
+    "updated": "Actualitzat",
+    "stale": "(desactualitzat)"
   }
 }

frontend/locales/ca/invites.json

@@ -0,0 +1,17 @@
+{
+  "page": {
+    "title": "Les Meves Invitacions",
+    "subtitle": "Comparteix els teus codis d'invitació amb amics perquè s'uneixin",
+    "noInvites": "Encara no tens invitacions.",
+    "noInvitesHint": "Contacta amb un administrador si necessites codis d'invitació per compartir.",
+    "available": "Disponibles ({count})",
+    "availableHint": "Comparteix aquests enllaços amb les persones que vulguis convidar",
+    "used": "Usades ({count})",
+    "revoked": "Revocades ({count})",
+    "copyLink": "Copiar Enllaç",
+    "copied": "Copiat!",
+    "usedBy": "per {email}",
+    "usedStatus": "Usada",
+    "revokedStatus": "Revocada"
+  }
+}

frontend/locales/ca/profile.json

@@ -0,0 +1,33 @@
+{
+  "page": {
+    "title": "El Meu Perfil",
+    "subtitle": "Gestiona la teva informació de contacte"
+  },
+  "form": {
+    "email": "Correu Electrònic",
+    "emailHint": "Aquest és el teu correu d'inici de sessió i no es pot canviar aquí.",
+    "invitedBy": "Convidat Per",
+    "invitedByHint": "L'usuari que et va convidar a unir-te.",
+    "readOnly": "Només lectura",
+    "contactDetails": "Detalls de Contacte",
+    "contactDetailsHint": "Aquests són només per a fins de comunicació — no afectaran el teu inici de sessió.",
+    "contactEmail": "Correu de Contacte",
+    "telegram": "Telegram",
+    "signal": "Signal",
+    "nostrNpub": "Nostr (npub)",
+    "saving": "Desant...",
+    "saveChanges": "Desar Canvis"
+  },
+  "messages": {
+    "loadError": "Error en carregar el perfil",
+    "saveSuccess": "Perfil desat amb èxit!",
+    "fixErrors": "Si us plau, corregeix els errors a continuació",
+    "networkError": "Error de xarxa. Si us plau, intenta-ho de nou."
+  },
+  "placeholders": {
+    "contactEmail": "alternate@example.com",
+    "telegram": "@username",
+    "signal": "username.01",
+    "nostrNpub": "npub1..."
+  }
+}

frontend/locales/ca/trades.json

@@ -0,0 +1,16 @@
+{
+  "page": {
+    "title": "Les Meves Operacions",
+    "subtitle": "Veure i gestionar les teves operacions de Bitcoin",
+    "loadingTrades": "Carregant operacions...",
+    "noTrades": "Encara no tens operacions.",
+    "startTrading": "Començar a operar",
+    "upcoming": "Properes ({count})",
+    "history": "Historial ({count})"
+  },
+  "trade": {
+    "rate": "Taxa:",
+    "cancel": "Cancel·lar",
+    "viewDetails": "Veure Detalls"
+  }
+}

frontend/locales/en/exchange.json

@@ -8,10 +8,70 @@
   },
   "direction": {
     "buy": "BUY BTC",
-    "sell": "SELL BTC"
+    "sell": "SELL BTC",
+    "buyShort": "Buy BTC",
+    "sellShort": "Sell BTC"
   },
   "transferMethod": {
     "onchain": "Onchain",
     "lightning": "Lightning"
+  },
+  "page": {
+    "title": "Exchange Bitcoin",
+    "subtitle": "Buy or sell Bitcoin with a 5% premium",
+    "viewExistingTrade": "View your existing trade →"
+  },
+  "steps": {
+    "details": "Exchange Details",
+    "booking": "Book Appointment",
+    "confirm": "Confirm"
+  },
+  "detailsStep": {
+    "paymentMethod": "Payment Method",
+    "required": "*",
+    "lightningThreshold": "Lightning payments are only available for amounts up to €{max}",
+    "amount": "Amount (EUR)",
+    "summaryBuy": "You buy {sats}, you sell {eur}",
+    "summarySell": "You buy {eur}, you sell {sats}",
+    "continueToBooking": "Continue to Booking"
+  },
+  "bookingStep": {
+    "yourExchange": "Your Exchange",
+    "edit": "Edit",
+    "buy": "Buy",
+    "sell": "Sell",
+    "receiveVia": "Receive via",
+    "sendVia": "Send via",
+    "selectDate": "Select a Date",
+    "existingTradeWarning": "You already have a trade booked on this day. You can only book one trade per day.",
+    "viewExistingTrade": "View your existing trade →",
+    "availableSlots": "Available Slots for",
+    "loadingSlots": "Loading slots...",
+    "noSlots": "No available slots for this date"
+  },
+  "confirmationStep": {
+    "appointment": "Appointment",
+    "edit": "Edit",
+    "confirmTrade": "Confirm Trade",
+    "time": "Time:",
+    "direction": "Direction:",
+    "eur": "EUR:",
+    "btc": "BTC:",
+    "rate": "Rate:",
+    "payment": "Payment:",
+    "receiveVia": "Receive via",
+    "sendVia": "Send via",
+    "booking": "Booking...",
+    "priceStale": "Price Stale",
+    "confirmBuy": "Confirm Buy",
+    "confirmSell": "Confirm Sell",
+    "back": "Back"
+  },
+  "priceDisplay": {
+    "loading": "Loading price...",
+    "market": "Market:",
+    "ourPrice": "Our price:",
+    "updated": "Updated",
+    "stale": "(stale)"
   }
 }

frontend/locales/en/invites.json

@@ -0,0 +1,17 @@
+{
+  "page": {
+    "title": "My Invites",
+    "subtitle": "Share your invite codes with friends to let them join",
+    "noInvites": "You don't have any invites yet.",
+    "noInvitesHint": "Contact an admin if you need invite codes to share.",
+    "available": "Available ({count})",
+    "availableHint": "Share these links with people you want to invite",
+    "used": "Used ({count})",
+    "revoked": "Revoked ({count})",
+    "copyLink": "Copy Link",
+    "copied": "Copied!",
+    "usedBy": "by {email}",
+    "usedStatus": "Used",
+    "revokedStatus": "Revoked"
+  }
+}

frontend/locales/en/profile.json

@@ -0,0 +1,33 @@
+{
+  "page": {
+    "title": "My Profile",
+    "subtitle": "Manage your contact information"
+  },
+  "form": {
+    "email": "Email",
+    "emailHint": "This is your login email and cannot be changed here.",
+    "invitedBy": "Invited By",
+    "invitedByHint": "The user who invited you to join.",
+    "readOnly": "Read only",
+    "contactDetails": "Contact Details",
+    "contactDetailsHint": "These are for communication purposes only — they won't affect your login.",
+    "contactEmail": "Contact Email",
+    "telegram": "Telegram",
+    "signal": "Signal",
+    "nostrNpub": "Nostr (npub)",
+    "saving": "Saving...",
+    "saveChanges": "Save Changes"
+  },
+  "messages": {
+    "loadError": "Failed to load profile",
+    "saveSuccess": "Profile saved successfully!",
+    "fixErrors": "Please fix the errors below",
+    "networkError": "Network error. Please try again."
+  },
+  "placeholders": {
+    "contactEmail": "alternate@example.com",
+    "telegram": "@username",
+    "signal": "username.01",
+    "nostrNpub": "npub1..."
+  }
+}

frontend/locales/en/trades.json

@@ -0,0 +1,16 @@
+{
+  "page": {
+    "title": "My Trades",
+    "subtitle": "View and manage your Bitcoin trades",
+    "loadingTrades": "Loading trades...",
+    "noTrades": "You don't have any trades yet.",
+    "startTrading": "Start trading",
+    "upcoming": "Upcoming ({count})",
+    "history": "History ({count})"
+  },
+  "trade": {
+    "rate": "Rate:",
+    "cancel": "Cancel",
+    "viewDetails": "View Details"
+  }
+}

frontend/locales/es/exchange.json

@@ -8,10 +8,70 @@
   },
   "direction": {
     "buy": "COMPRAR BTC",
-    "sell": "VENDER BTC"
+    "sell": "VENDER BTC",
+    "buyShort": "Comprar BTC",
+    "sellShort": "Vender BTC"
   },
   "transferMethod": {
     "onchain": "Onchain",
     "lightning": "Lightning"
+  },
+  "page": {
+    "title": "Intercambiar Bitcoin",
+    "subtitle": "Compra o vende Bitcoin con una prima del 5%",
+    "viewExistingTrade": "Ver tu operación existente →"
+  },
+  "steps": {
+    "details": "Detalles del Intercambio",
+    "booking": "Reservar Cita",
+    "confirm": "Confirmar"
+  },
+  "detailsStep": {
+    "paymentMethod": "Método de Pago",
+    "required": "*",
+    "lightningThreshold": "Los pagos Lightning solo están disponibles para montos de hasta €{max}",
+    "amount": "Cantidad (EUR)",
+    "summaryBuy": "Compras {sats}, vendes {eur}",
+    "summarySell": "Compras {eur}, vendes {sats}",
+    "continueToBooking": "Continuar a Reserva"
+  },
+  "bookingStep": {
+    "yourExchange": "Tu Intercambio",
+    "edit": "Editar",
+    "buy": "Comprar",
+    "sell": "Vender",
+    "receiveVia": "Recibir vía",
+    "sendVia": "Enviar vía",
+    "selectDate": "Seleccionar una Fecha",
+    "existingTradeWarning": "Ya tienes una operación reservada en este día. Solo puedes reservar una operación por día.",
+    "viewExistingTrade": "Ver tu operación existente →",
+    "availableSlots": "Espacios Disponibles para",
+    "loadingSlots": "Cargando espacios...",
+    "noSlots": "No hay espacios disponibles para esta fecha"
+  },
+  "confirmationStep": {
+    "appointment": "Cita",
+    "edit": "Editar",
+    "confirmTrade": "Confirmar Operación",
+    "time": "Hora:",
+    "direction": "Dirección:",
+    "eur": "EUR:",
+    "btc": "BTC:",
+    "rate": "Tasa:",
+    "payment": "Pago:",
+    "receiveVia": "Recibir vía",
+    "sendVia": "Enviar vía",
+    "booking": "Reservando...",
+    "priceStale": "Precio Desactualizado",
+    "confirmBuy": "Confirmar Compra",
+    "confirmSell": "Confirmar Venta",
+    "back": "Atrás"
+  },
+  "priceDisplay": {
+    "loading": "Cargando precio...",
+    "market": "Mercado:",
+    "ourPrice": "Nuestro precio:",
+    "updated": "Actualizado",
+    "stale": "(desactualizado)"
   }
 }

frontend/locales/es/invites.json

@@ -0,0 +1,17 @@
+{
+  "page": {
+    "title": "Mis Invitaciones",
+    "subtitle": "Comparte tus códigos de invitación con amigos para que se unan",
+    "noInvites": "Aún no tienes invitaciones.",
+    "noInvitesHint": "Contacta con un administrador si necesitas códigos de invitación para compartir.",
+    "available": "Disponibles ({count})",
+    "availableHint": "Comparte estos enlaces con las personas que quieras invitar",
+    "used": "Usadas ({count})",
+    "revoked": "Revocadas ({count})",
+    "copyLink": "Copiar Enlace",
+    "copied": "¡Copiado!",
+    "usedBy": "por {email}",
+    "usedStatus": "Usada",
+    "revokedStatus": "Revocada"
+  }
+}

frontend/locales/es/profile.json

@@ -0,0 +1,33 @@
+{
+  "page": {
+    "title": "Mi Perfil",
+    "subtitle": "Gestiona tu información de contacto"
+  },
+  "form": {
+    "email": "Correo Electrónico",
+    "emailHint": "Este es tu correo de inicio de sesión y no se puede cambiar aquí.",
+    "invitedBy": "Invitado Por",
+    "invitedByHint": "El usuario que te invitó a unirte.",
+    "readOnly": "Solo lectura",
+    "contactDetails": "Detalles de Contacto",
+    "contactDetailsHint": "Estos son solo para fines de comunicación — no afectarán tu inicio de sesión.",
+    "contactEmail": "Correo de Contacto",
+    "telegram": "Telegram",
+    "signal": "Signal",
+    "nostrNpub": "Nostr (npub)",
+    "saving": "Guardando...",
+    "saveChanges": "Guardar Cambios"
+  },
+  "messages": {
+    "loadError": "Error al cargar el perfil",
+    "saveSuccess": "¡Perfil guardado exitosamente!",
+    "fixErrors": "Por favor corrige los errores a continuación",
+    "networkError": "Error de red. Por favor intenta de nuevo."
+  },
+  "placeholders": {
+    "contactEmail": "alternate@example.com",
+    "telegram": "@username",
+    "signal": "username.01",
+    "nostrNpub": "npub1..."
+  }
+}

frontend/locales/es/trades.json

@@ -0,0 +1,16 @@
+{
+  "page": {
+    "title": "Mis Operaciones",
+    "subtitle": "Ver y gestionar tus operaciones de Bitcoin",
+    "loadingTrades": "Cargando operaciones...",
+    "noTrades": "Aún no tienes operaciones.",
+    "startTrading": "Empezar a operar",
+    "upcoming": "Próximas ({count})",
+    "history": "Historial ({count})"
+  },
+  "trade": {
+    "rate": "Tasa:",
+    "cancel": "Cancelar",
+    "viewDetails": "Ver Detalles"
+  }
+}