feat(i18n): add translations for file import flow

- Add strings for upload, preview errors, progress, and results
- Provide German, English, Spanish and French localizations
- Wire keys used across import components and modal

Author: Uli-Z

messages/de-DE.json

@@ -52,6 +52,15 @@
     "myGroups": "Meine Gruppen",
     "create": "Erstellen",
     "loadingRecent": "Lade letzte Gruppen…",
+    "CreateOptions": {
+      "openMenu": "Erstelloptionen öffnen",
+      "newGroup": "Neue Gruppe",
+      "importFromFile": "Aus Datei importieren"
+    },
+    "ImportDialog": {
+      "successTitle": "Gruppe erstellt",
+      "successDescription": "Gruppe {name} wurde aus dem Import erstellt."
+    },
     "NoRecent": {
       "description": "Du hast in der letzten Zeit keine Gruppe besucht.",
       "create": "Erstelle eine",
@@ -456,4 +465,47 @@
       "heading": "Geläufigste"
     }
   }
+  ,
+  "FileImport": {
+    "title": "Gruppe aus Datei importieren",
+    "buttonLabel": "Import-Dialog öffnen",
+    "errorTitle": "Fehler",
+    "processing": "Verarbeite…",
+    "fileLabel": "Datei auswählen",
+    "uploadDragTitle": "Datei hier ablegen oder klicken, um auszuwählen",
+    "uploadDragDescription": "Unterstützt: JSON (Spliit-JSON) und Debug-Dateien",
+    "fileReadError": "Die ausgewählte Datei konnte nicht gelesen werden.",
+    "newGroupNameLabel": "Name der neuen Gruppe",
+    "newGroupNamePlaceholder": "Gruppennamen eingeben (optional)",
+    "analysisAwaiting": "Warte auf Datei-Analyse…",
+    "analysisExplanation": "Wähle eine Datei, um sie vor dem Import zu analysieren.",
+    "previewErrorTitle": "Die Datei konnte nicht analysiert werden",
+    "generalInfoTitle": "Allgemeine Informationen",
+    "generalInfoFormat": "Format",
+    "generalInfoRows": "Zeilen",
+    "generalInfoInvalidRows": "Ungültige Zeilen",
+    "generalInfoTotal": "Gesamtbetrag",
+    "generalInfoParticipants": "Teilnehmer und Salden",
+    "generalInfoParticipantsEmpty": "Keine Teilnehmerinformationen erkannt.",
+    "generalInfoUnknown": "Unbekannt",
+    "analysisHeaderTitle": "Probleme im Header",
+    "analysisGeneralWarningsTitle": "Allgemeine Warnungen",
+    "analysisCategoryTitle": "Kategorie-Zuordnungswarnungen",
+    "analysisErrorsTitle": "Zeilenfehler",
+    "analysisFatalHint": "Behebe diese Fehler, um den Import zu aktivieren.",
+    "import": "Importieren",
+    "importing": "Importiere…",
+    "importProgressLabel": "Importiere Ausgaben",
+    "importCancel": "Import abbrechen",
+    "importCanceling": "Breche ab…",
+    "importResultCompleted": "{created} von {total} Zeilen importiert",
+    "importResultCancelledSimple": "Import abgebrochen",
+    "importResultConfirm": "Weiter"
+  },
+  "FileImportErrors": {
+    "noParticipants": "Keine Teilnehmer in der Datei definiert.",
+    "fileEmpty": "Die hochgeladene Datei war leer.",
+    "invalidAmount": "Ungültiger Betrag in einer oder mehreren Zeilen.",
+    "invalidDate": "Ungültiges Ausgabedatum in einer oder mehreren Zeilen."
+  }
 }

messages/en-US.json

@@ -52,6 +52,15 @@
     "myGroups": "My groups",
     "create": "Create",
     "loadingRecent": "Loading recent groups…",
+    "CreateOptions": {
+      "openMenu": "Open create options",
+      "newGroup": "New group",
+      "importFromFile": "Import from file"
+    },
+    "ImportDialog": {
+      "successTitle": "Group created",
+      "successDescription": "Group {name} was created from import."
+    },
     "NoRecent": {
       "description": "You have not visited any group recently.",
       "create": "Create one",
@@ -449,4 +458,47 @@
       "heading": "Other currencies"
     }
   }
+  ,
+  "FileImport": {
+    "title": "Import group from file",
+    "buttonLabel": "Open import dialog",
+    "errorTitle": "Error",
+    "processing": "Processing…",
+    "fileLabel": "Select a file",
+    "uploadDragTitle": "Drop a file here or click to select",
+    "uploadDragDescription": "Supported: JSON (Spliit-JSON) and debug files",
+    "fileReadError": "Could not read the selected file.",
+    "newGroupNameLabel": "New group name",
+    "newGroupNamePlaceholder": "Enter a group name (optional)",
+    "analysisAwaiting": "Awaiting file analysis…",
+    "analysisExplanation": "Select a file to analyze its content before importing.",
+    "previewErrorTitle": "We couldn't analyze your file",
+    "generalInfoTitle": "General information",
+    "generalInfoFormat": "Format",
+    "generalInfoRows": "Rows",
+    "generalInfoInvalidRows": "Invalid rows",
+    "generalInfoTotal": "Total amount",
+    "generalInfoParticipants": "Participants and balances",
+    "generalInfoParticipantsEmpty": "No participant information detected.",
+    "generalInfoUnknown": "Unknown",
+    "analysisHeaderTitle": "Header issues",
+    "analysisGeneralWarningsTitle": "General warnings",
+    "analysisCategoryTitle": "Category mapping warnings",
+    "analysisErrorsTitle": "Row errors",
+    "analysisFatalHint": "Fix these errors to enable import.",
+    "import": "Import",
+    "importing": "Importing…",
+    "importProgressLabel": "Importing expenses",
+    "importCancel": "Cancel import",
+    "importCanceling": "Cancelling…",
+    "importResultCompleted": "Imported {created} of {total} rows",
+    "importResultCancelledSimple": "Import cancelled",
+    "importResultConfirm": "Continue"
+  },
+  "FileImportErrors": {
+    "noParticipants": "No participants defined in file.",
+    "fileEmpty": "The uploaded file was empty.",
+    "invalidAmount": "Invalid amount in one or more rows.",
+    "invalidDate": "Invalid expense date in one or more rows."
+  }
 }

messages/es.json

@@ -52,6 +52,15 @@
     "myGroups": "Mis grupos",
     "create": "Crear",
     "loadingRecent": "Cargando grupos recientes…",
+    "CreateOptions": {
+      "openMenu": "Abrir opciones de creación",
+      "newGroup": "Nuevo grupo",
+      "importFromFile": "Importar desde archivo"
+    },
+    "ImportDialog": {
+      "successTitle": "Grupo creado",
+      "successDescription": "El grupo {name} se creó a partir de la importación."
+    },
     "NoRecent": {
       "description": "No has visitado ningun grupo recientemente.",
       "create": "Crea uno",
@@ -448,4 +457,47 @@
       "heading": "Otras monedas"
     }
   }
+  ,
+  "FileImport": {
+    "title": "Importar grupo desde archivo",
+    "buttonLabel": "Abrir diálogo de importación",
+    "errorTitle": "Error",
+    "processing": "Procesando…",
+    "fileLabel": "Seleccionar un archivo",
+    "uploadDragTitle": "Suelta un archivo aquí o haz clic para seleccionar",
+    "uploadDragDescription": "Compatible: JSON (Spliit‑JSON) y archivos de depuración",
+    "fileReadError": "No se pudo leer el archivo seleccionado.",
+    "newGroupNameLabel": "Nombre del nuevo grupo",
+    "newGroupNamePlaceholder": "Introduce un nombre de grupo (opcional)",
+    "analysisAwaiting": "Esperando el análisis del archivo…",
+    "analysisExplanation": "Selecciona un archivo para analizar su contenido antes de importar.",
+    "previewErrorTitle": "No pudimos analizar tu archivo",
+    "generalInfoTitle": "Información general",
+    "generalInfoFormat": "Formato",
+    "generalInfoRows": "Filas",
+    "generalInfoInvalidRows": "Filas inválidas",
+    "generalInfoTotal": "Monto total",
+    "generalInfoParticipants": "Participantes y saldos",
+    "generalInfoParticipantsEmpty": "No se detectó información de participantes.",
+    "generalInfoUnknown": "Desconocido",
+    "analysisHeaderTitle": "Problemas en el encabezado",
+    "analysisGeneralWarningsTitle": "Advertencias generales",
+    "analysisCategoryTitle": "Advertencias de categorías",
+    "analysisErrorsTitle": "Errores por fila",
+    "analysisFatalHint": "Corrige estos errores para habilitar la importación.",
+    "import": "Importar",
+    "importing": "Importando…",
+    "importProgressLabel": "Importando gastos",
+    "importCancel": "Cancelar importación",
+    "importCanceling": "Cancelando…",
+    "importResultCompleted": "{created} de {total} filas importadas",
+    "importResultCancelledSimple": "Importación cancelada",
+    "importResultConfirm": "Continuar"
+  },
+  "FileImportErrors": {
+    "noParticipants": "No hay participantes definidos en el archivo.",
+    "fileEmpty": "El archivo subido estaba vacío.",
+    "invalidAmount": "Monto inválido en una o más filas.",
+    "invalidDate": "Fecha de gasto inválida en una o más filas."
+  }
 }

messages/fr-FR.json

@@ -52,6 +52,15 @@
     "myGroups": "Mes groupes",
     "create": "Créer",
     "loadingRecent": "Chargement des groupes récents…",
+    "CreateOptions": {
+      "openMenu": "Ouvrir les options de création",
+      "newGroup": "Nouveau groupe",
+      "importFromFile": "Importer depuis un fichier"
+    },
+    "ImportDialog": {
+      "successTitle": "Groupe créé",
+      "successDescription": "Le groupe {name} a été créé à partir de l'import."
+    },
     "NoRecent": {
       "description": "Vous n'avez visité aucun groupe récemment.",
       "create": "Créer un groupe",
@@ -456,4 +465,47 @@
       "heading": "Autres devises"
     }
   }
+  ,
+  "FileImport": {
+    "title": "Importer un groupe depuis un fichier",
+    "buttonLabel": "Ouvrir la boîte d'import",
+    "errorTitle": "Erreur",
+    "processing": "Traitement…",
+    "fileLabel": "Sélectionner un fichier",
+    "uploadDragTitle": "Déposez un fichier ici ou cliquez pour sélectionner",
+    "uploadDragDescription": "Pris en charge : JSON (Spliit‑JSON) et fichiers de débogage",
+    "fileReadError": "Impossible de lire le fichier sélectionné.",
+    "newGroupNameLabel": "Nom du nouveau groupe",
+    "newGroupNamePlaceholder": "Entrez un nom de groupe (optionnel)",
+    "analysisAwaiting": "En attente de l'analyse du fichier…",
+    "analysisExplanation": "Sélectionnez un fichier pour analyser son contenu avant l'import.",
+    "previewErrorTitle": "Nous n'avons pas pu analyser votre fichier",
+    "generalInfoTitle": "Informations générales",
+    "generalInfoFormat": "Format",
+    "generalInfoRows": "Lignes",
+    "generalInfoInvalidRows": "Lignes invalides",
+    "generalInfoTotal": "Montant total",
+    "generalInfoParticipants": "Participants et soldes",
+    "generalInfoParticipantsEmpty": "Aucune information de participant détectée.",
+    "generalInfoUnknown": "Inconnu",
+    "analysisHeaderTitle": "Problèmes d'en‑tête",
+    "analysisGeneralWarningsTitle": "Avertissements généraux",
+    "analysisCategoryTitle": "Avertissements de catégorisation",
+    "analysisErrorsTitle": "Erreurs de lignes",
+    "analysisFatalHint": "Corrigez ces erreurs pour activer l'import.",
+    "import": "Importer",
+    "importing": "Importation…",
+    "importProgressLabel": "Import des dépenses",
+    "importCancel": "Annuler l'import",
+    "importCanceling": "Annulation…",
+    "importResultCompleted": "{created} sur {total} lignes importées",
+    "importResultCancelledSimple": "Import annulé",
+    "importResultConfirm": "Continuer"
+  },
+  "FileImportErrors": {
+    "noParticipants": "Aucun participant défini dans le fichier.",
+    "fileEmpty": "Le fichier téléchargé était vide.",
+    "invalidAmount": "Montant invalide dans une ou plusieurs lignes.",
+    "invalidDate": "Date de dépense invalide dans une ou plusieurs lignes."
+  }
 }

src/lib/imports/spliit-json.ts

@@ -217,7 +217,7 @@ export class SpliitJsonFormat implements ImportFormat {
     ) => ({
       expenseDate: coerceDate(e?.expenseDate),
       title: String(e?.title ?? '').trim() || `Expense ${index + 1}`,
-      category: 0,
+      category: resolveCategoryId(e?.categoryId ?? e?.category),
       amount: Math.round(coerceNumber(e?.amount, 'amount')),
       originalAmount:
         e?.originalAmount != null