fix(i18n): sync de.json keys with en.json — add 26 missing keys to en.json and all language files

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

frontend/translations/zh.json

@@ -195,6 +195,7 @@
   "common.confirm": "确认",
   "common.copied": "已复制！",
   "common.copy": "复制",
+  "common.create": "Create",
   "common.created": "创建时间",
   "common.date": "日期",
   "common.delete": "删除",
@@ -202,6 +203,7 @@
   "common.details": "详情",
   "common.disabled": "已禁用",
   "common.download": "下载",
+  "common.duplicate": "Duplicate",
   "common.edit": "编辑",
   "common.enabled": "已启用",
   "common.error": "错误",
@@ -218,6 +220,7 @@
   "common.page": "Page",
   "common.pending": "待处理",
   "common.prev_page": "Previous page",
+  "common.previous": "Previous",
   "common.processing": "处理中",
   "common.refresh": "刷新",
   "common.reset": "重置",
@@ -228,7 +231,9 @@
   "common.select_placeholder": "— select —",
   "common.size": "大小",
   "common.status": "状态",
+  "common.submit": "Submit",
   "common.success": "成功",
+  "common.tags": "Tags",
   "common.type": "类型",
   "common.updated": "更新时间",
   "common.upload": "上传",
@@ -236,6 +241,8 @@
   "common.warning": "警告",
   "common.yes": "是",
   "cookie.accept": "我知道了",
+  "cookie.learn_more": "Learn more",
+  "cookie.message": "This website uses cookies to improve your experience.",
   "cookie.notice": "DocuElevate 仅使用身份验证和服务运行所需的基本会话 Cookie。不使用任何跟踪或分析 Cookie。",
   "cookie.notice_label": "Cookie 通知",
   "cookie.policy_link": "Cookie 政策",
@@ -398,6 +405,8 @@
   "files.upload_modal_close": "Close upload progress",
   "files.upload_modal_header": "Uploading Files",
   "files.uploaded": "已上传",
+  "footer.about": "About",
+  "footer.attribution": "Attribution",
   "footer.attributions": "致谢",
   "footer.cookies": "Cookie",
   "footer.copyright": "DocuElevate {year}",
@@ -577,6 +586,7 @@
   "integrations.username_label": "Username",
   "language.bg": "Български",
   "language.ca": "Català",
+  "language.change_success": "Language changed to {language}",
   "language.changed": "语言已更改为{language}",
   "language.cs": "Čeština",
   "language.da": "Dansk",
@@ -602,6 +612,7 @@
   "language.ro": "Română",
   "language.ru": "Русский",
   "language.selector": "语言",
+  "language.selector_label": "Select language",
   "language.sk": "Slovenčina",
   "language.sl": "Slovenščina",
   "language.sv": "Svenska",
@@ -610,9 +621,15 @@
   "language.zh": "中文",
   "nav.about": "关于",
   "nav.admin": "管理",
+  "nav.admin.audit_logs": "Audit Logs",
+  "nav.admin.backups": "Backups",
+  "nav.admin.plans": "Plans",
+  "nav.admin.scheduled_jobs": "Scheduled Jobs",
+  "nav.admin.users": "Users",
   "nav.admin_actions": "管理操作",
   "nav.admin_menu": "管理菜单",
   "nav.api_docs": "API 文档",
+  "nav.api_tokens": "API Tokens",
   "nav.backup_restore": "备份与恢复",
   "nav.credentials": "凭据",
   "nav.dark_mode": "深色模式",
@@ -623,25 +640,34 @@
   "nav.files": "文件",
   "nav.help": "帮助",
   "nav.help_center": "帮助中心",
+  "nav.imap": "Email Import",
   "nav.integrations": "集成",
   "nav.light_mode": "浅色模式",
+  "nav.login": "Log In",
+  "nav.logout": "Log Out",
   "nav.main_navigation": "主导航",
   "nav.notifications": "通知",
   "nav.open_main_menu": "打开主菜单",
   "nav.pipelines": "处理流程",
   "nav.plan_designer": "方案设计",
   "nav.pricing": "价格",
+  "nav.profile": "Profile",
+  "nav.queue": "Queue",
   "nav.queue_monitor": "队列监控",
   "nav.scheduled_jobs": "计划任务",
   "nav.search": "搜索",
   "nav.settings": "设置",
+  "nav.shared_links": "Shared Links",
+  "nav.signup": "Sign Up",
   "nav.similarity": "相似度",
   "nav.skip_to_content": "跳至主要内容",
   "nav.status": "状态",
+  "nav.subscription": "Subscription",
   "nav.toggle_dark_mode": "切换深色模式",
   "nav.toggle_nav": "切换导航菜单",
   "nav.upload": "上传",
   "nav.users": "用户",
+  "nav.version": "Version Info",
   "notifications.filter_all": "All",
   "notifications.filter_read": "Read only",
   "notifications.filter_unread": "Unread only",