feat(#22): Use translation keys in files

legalconsenthub/i18n/locales/en.json

@@ -1,10 +1,148 @@
 {
-  "roles": {
-    "admin": "Administrator",
-    "employee": "Employee",
-    "employer": "Employer",
-    "worksCouncilMember": "Works Council Member",
-    "worksCouncilChair": "Works Council Chair"
+  "applicationForms": {
+    "title": "Co-determination Applications",
+    "createNew": "New Co-determination Application",
+    "noFormsAvailable": "No applications available",
+    "noPermission": "No Permission",
+    "noPermissionDescription": "You do not have permission to create applications.",
+    "backToOverview": "Back to Overview",
+    "deleteConfirm": "Do you really want to delete the co-determination application <strong>{name}</strong>?",
+    "deleteTitle": "Delete Co-determination Application",
+    "lastEditedBy": "Last edited by",
+    "createdBy": "Created by",
+    "saved": "Application form saved",
+    "submitted": "Application form submitted",
+    "deleted": "Application form deleted",
+    "formElements": {
+      "comments": "Comments",
+      "addInputBelow": "Add input field below",
+      "selectPlaceholder": "Select status",
+      "title": "Title",
+      "text": "Text",
+      "unimplemented": "Element unimplemented:"
+    },
+    "status": {
+      "draft": "Draft",
+      "submitted": "Submitted",
+      "approved": "Approved",
+      "rejected": "Rejected",
+      "signed": "Signed"
+    },
+    "navigation": {
+      "previous": "Previous",
+      "next": "Next",
+      "save": "Save",
+      "submit": "Submit"
+    }
+  },
+  "templates": {
+    "title": "Templates",
+    "editorTitle": "Administration - JSON Template Editor",
+    "newTemplate": "New Template",
+    "reset": "Reset",
+    "unsavedChanges": "Unsaved Changes",
+    "noTemplateFound": "No template found. Create a new template.",
+    "invalidJson": "Invalid JSON",
+    "invalidJsonDescription": "The JSON format is invalid. Please correct the syntax.",
+    "lastModified": "Last edited on",
+    "created": "Template successfully created",
+    "updated": "Template successfully updated",
+    "saveError": "Error saving template",
+    "unsavedWarning": "You have unsaved changes. Do you really want to leave this page?"
+  },
+  "versions": {
+    "title": "Versions",
+    "pageTitle": "Versions: {name}",
+    "empty": "No versions available",
+    "loading": "Loading versions...",
+    "loadError": "Error loading versions",
+    "loadErrorDescription": "Versions could not be loaded",
+    "unknownError": "Unknown error",
+    "compare": "Compare",
+    "restore": "Restore",
+    "restored": "Success",
+    "restoredDescription": "The form has been restored to the selected version.",
+    "restoreError": "Version could not be restored",
+    "restoreTitle": "Restore Version",
+    "restoreConfirm": "Do you really want to restore version v{number}?",
+    "restoreDescription": "This will create a new version with the content of the selected version. The current version and all changes will remain in the history.",
+    "comparisonTitle": "Comparison: Current Form with Version v{number}",
+    "comparisonError": "Error loading version",
+    "elementsAdded": "Added Elements ({count})",
+    "elementsRemoved": "Removed Elements ({count})",
+    "elementsModified": "Modified Elements ({count})",
+    "elementWithoutTitle": "Without Title",
+    "elementIn": "Element in",
+    "optionsAdded": "Options added ({count})",
+    "optionsRemoved": "Options removed ({count})",
+    "optionsModified": "Options modified ({count})",
+    "noChanges": "No differences found"
+  },
+  "comments": {
+    "title": "Comments",
+    "empty": "No comments available",
+    "submit": "Submit",
+    "edit": "Edit Comment",
+    "editAction": "Edit"
+  },
+  "compliance": {
+    "title": "Compliance Status",
+    "critical": "Critical",
+    "warning": "Warning",
+    "nonCritical": "Non-critical"
+  },
+  "notifications": {
+    "title": "Notifications",
+    "empty": "No notifications",
+    "unreadCount": "{count} unread",
+    "tooltip": "Notifications"
+  },
+  "administration": {
+    "title": "Administration",
+    "accessDenied": "Access denied"
+  },
+  "user": {
+    "profile": "Profile",
+    "administration": "Administration",
+    "settings": "Settings",
+    "logout": "Log out",
+    "theme": "Theme",
+    "themePrimary": "Primary Color",
+    "themeNeutral": "Neutral Color",
+    "appearance": "Appearance",
+    "light": "Light",
+    "dark": "Dark"
+  },
+  "organization": {
+    "current": "Current Organization"
+  },
+  "auth": {
+    "welcome": "Welcome",
+    "redirectMessage": "You will be redirected to Keycloak to authenticate",
+    "signIn": "Sign in with Keycloak",
+    "termsAgreement": "By signing in, you agree to our terms of service",
+    "login": "Login"
+  },
+  "error": {
+    "pageNotFound": "Page not found",
+    "pageNotFoundDescription": "We are sorry but this page could not be found."
+  },
+  "common": {
+    "save": "Save",
+    "cancel": "Cancel",
+    "delete": "Delete",
+    "edit": "Edit",
+    "close": "Close",
+    "confirm": "Confirm",
+    "back": "Back",
+    "loading": "Loading...",
+    "error": "Error",
+    "success": "Success",
+    "name": "Name",
+    "home": "Home",
+    "type": "Type",
+    "general": "General",
+    "on": "on"
   },
   "serverConnection": {
     "title": "Server Connection Lost",
@@ -13,5 +151,12 @@
     "lastCheck": "Last check",
     "retryInfo": "Automatic retry every 60 seconds",
     "retryNow": "Try again now"
+  },
+  "roles": {
+    "admin": "Administrator",
+    "employee": "Employee",
+    "employer": "Employer",
+    "worksCouncilMember": "Works Council Member",
+    "worksCouncilChair": "Works Council Chair"
   }
 }