feat: integrate post AI translation with UI toggle and backend queue

i18nMessages.js

@@ -148,6 +148,9 @@ const messages = {
             updateProfile: "Update Profile",
             previous: "Previous",
             next: "Next",
+            translating: "Translating...",
+            seeTranslation: "See Translation",
+            seeOriginal: "See Original",
         },
     },
     es: {
@@ -291,6 +294,9 @@ const messages = {
             updateProfile: "Actualizar perfil",
             previous: "Anterior",
             next: "Siguiente",
+            translating: "Traduciendo...",
+            seeTranslation: "Ver traducción",
+            seeOriginal: "Ver original",
         }
     },
     fr: {
@@ -434,6 +440,9 @@ const messages = {
             updateProfile: "Mettre à jour le profil",
             previous: "Précédent",
             next: "Suivant",
+            translating: "Traduction en cours...",
+            seeTranslation: "Voir la traduction",
+            seeOriginal: "Voir l'original",
         }
     },
     da: {
@@ -577,6 +586,9 @@ const messages = {
             updateProfile: "Opdater profil",
             previous: "Forrige",
             next: "Næste",
+            translating: "Oversætter...",
+            seeTranslation: "Se oversættelse",
+            seeOriginal: "Se original",
         }
     }
 }