feat: add duplicate handling features and UI elements for cipher management

webapp/src/lib/i18n.ts

@@ -319,6 +319,7 @@ const messages: Record<Locale, Record<string, string>> = {
     txt_failed_to_open_send: "Failed to open send",
     txt_favorite: "Favorite",
     txt_favorites: "Favorites",
+    txt_duplicates: "Duplicates",
     txt_field: "Field",
     txt_field_label: "Field Label",
     txt_field_label_is_required: "Field label is required.",
@@ -510,6 +511,7 @@ const messages: Record<Locale, Record<string, string>> = {
     txt_security_code: "Security Code",
     txt_security_code_cvv: "Security Code (CVV)",
     txt_select_all: "Select All",
+    txt_select_duplicate_items: "Select Duplicates",
     txt_select_an_item: "Select an item",
     txt_send_created: "Send created",
     txt_send_deleted: "Send deleted",
@@ -819,9 +821,11 @@ const zhCNOverrides: Record<string, string> = {
   txt_code_copied: '验证码已复制',
   txt_copy_link: '复制链接',
   txt_select_all: '全选',
+  txt_select_duplicate_items: '选择重复项',
   txt_delete_selected: '删除所选',
   txt_all_items: '所有项目',
   txt_favorites: '收藏',
+  txt_duplicates: '重复项',
   txt_trash: '回收站',
   txt_folder: '文件夹',
   txt_folders: '文件夹',