resolve inconsistencies in translation usage

apps/mail/components/mail/mail-display.tsx

@@ -1483,7 +1483,7 @@ const MailDisplay = ({ emailData, index, totalEmails, demo, threadAttachments }:
                                 ref={triggerRef}
                               >
                                 <p className="text-muted-foreground text-xs underline dark:text-[#8C8C8C]">
-                                  Details
+                                  {t('common.mailDisplay.details')}
                                 </p>
                               </button>
                             </PopoverTrigger>
@@ -1633,7 +1633,7 @@ const MailDisplay = ({ emailData, index, totalEmails, demo, threadAttachments }:
                                 }}
                               >
                                 <Printer className="fill-iconLight dark:fill-iconDark mr-2 h-4 w-4" />
-                                Print
+                                {t('common.mailDisplay.print')}
                               </DropdownMenuItem>
                               <DropdownMenuItem
                                 disabled={!emailData.attachments?.length}
@@ -1656,7 +1656,7 @@ const MailDisplay = ({ emailData, index, totalEmails, demo, threadAttachments }:
                       <div className="flex justify-between">
                         <div className="flex gap-1">
                           <p className="text-muted-foreground text-sm font-medium dark:text-[#8C8C8C]">
-                            To:{' '}
+                            {t('common.mailDisplay.to')}:{' '}
                             {(() => {
                               // Combine to and cc recipients
                               const allRecipients = [

apps/mail/components/mail/mail.tsx

@@ -831,7 +831,7 @@ export const Categories = () => {
   const categories = categorySettings.map((cat) => {
     const base = {
       id: cat.id,
-      name: cat.name || t(`common.mailCategories.${cat.id.toLowerCase().replace(' ', '')}` as any),
+      name:  t(`common.mailCategories.${cat.id.split(' ').map((w, i) => i === 0 ? w.toLowerCase() : w).join('')}` as any) || cat.name,
       searchValue: cat.searchValue,
     } as const;
 

apps/mail/components/mail/thread-display.tsx

@@ -887,7 +887,7 @@ export function ThreadDisplay() {
                   <Reply className="fill-muted-foreground dark:fill-[#9B9B9B]" />
                   <div className="flex items-center justify-center gap-2.5 pl-0.5 pr-1">
                     <div className="justify-start text-sm leading-none text-black dark:text-white">
-                      Reply All
+                      {t('common.threadDisplay.replyAll')}
                     </div>
                   </div>
                 </button>
@@ -981,7 +981,7 @@ export function ThreadDisplay() {
                           }}
                         >
                           <Printer className="fill-iconLight dark:fill-iconDark mr-2 h-4 w-4" />
-                          <span>Print thread</span>
+                          <span>{t('common.threadDisplay.printThread')}</span>
                         </DropdownMenuItem>
                         <DropdownMenuItem onClick={() => moveThreadTo('spam')}>
                           <ArchiveX className="fill-iconLight dark:fill-iconDark mr-2" />
@@ -991,7 +991,7 @@ export function ThreadDisplay() {
                         emailData.latest?.listUnsubscribePost ? (
                           <DropdownMenuItem onClick={handleUnsubscribeProcess}>
                             <Folders className="fill-iconLight dark:fill-iconDark mr-2" />
-                            <span>Unsubscribe</span>
+                            <span>{t('common.mailDisplay.unsubscribe')}</span>
                           </DropdownMenuItem>
                         ) : null}
                       </>

apps/mail/locales/en.json

@@ -187,7 +187,8 @@
       "unsubscribeOpenSiteDescription": "To stop getting messages from this mailing list, go to their website to unsubscribe.",
       "cancel": "Cancel",
       "goToWebsite": "Go to website",
-      "failedToUnsubscribe": "Failed to unsubscribe from mailing list"
+      "failedToUnsubscribe": "Failed to unsubscribe from mailing list",
+      "print":"Print"
     },
     "threadDisplay": {
       "exitFullscreen": "Exit fullscreen",
@@ -206,7 +207,8 @@
       "disableImages": "Hide Images",
       "enableImages": "Show Images",
       "star": "Star",
-      "unstar": "Unstar"
+      "unstar": "Unstar",
+      "printThread":"Print thread"
     },
     "notes": {
       "title": "Notes",