Add import/export feature

src/locales/en.ts

@@ -164,6 +164,34 @@ export const en = {
   // Reset confirmation
   resetConfirmation: "Are you sure you want to reset all settings to default values? This cannot be undone.",
 
+  // Export/Import
+  dataManagement: "Data Management",
+  exportSettings: "Export Settings",
+  importSettings: "Import Settings",
+  exportSelectWhat: "Select what to export:",
+  importSelectWhat: "Select what to import:",
+  exportOptionSchedules: "Schedules (Day plans with doses)",
+  exportOptionDiagram: "Diagram Settings (View options, chart display)",
+  exportOptionSimulation: "Simulation Settings (Duration, range, chart view)",
+  exportOptionPharmaco: "Pharmacokinetic Settings (Half-lives, therapeutic range)",
+  exportOptionAdvanced: "Advanced Settings (Weight, food, pH, bioavailability)",
+  exportButton: "Download Backup File",
+  importButton: "Choose File to Import",
+  importApplyButton: "Apply Import",
+  importCancelButton: "Cancel",
+  importValidationTitle: "Import Validation",
+  importValidationWarnings: "Warnings:",
+  importValidationErrors: "Errors:",
+  importValidationContinue: "Do you want to continue with the import?",
+  importSuccess: "Settings imported successfully!",
+  importError: "Import failed. Please check the file format.",
+  importParseError: "Failed to read file. Please ensure it's a valid JSON backup file.",
+  importNoOptionsSelected: "Please select at least one category to import.",
+  exportNoOptionsSelected: "Please select at least one category to export.",
+  importFileSelected: "File selected:",
+  importFileNotSelected: "No file selected",
+  exportImportTooltip: "Export your settings as backup or share with others. Import previously exported settings. Choose which parts to export/import individually.",
+
   // Footer disclaimer
   importantNote: "Important Notice",
   disclaimer: "This tool is for illustration and information purposes only. It is not a medical device and does not replace consultation with a doctor or pharmacist. All calculations are simulations based on general pharmacokinetic models and may differ significantly from individual factors. Please consult your treating physician before making adjustments to your medication.",