feat: 新增多语言国际化页面配置，修复部分页面硬编码文案

1. 新增了zh-cn和en-us两套语言下的大量页面国际化配置文件，覆盖商品、订单、会员、营销活动等多个业务模块
2. 修复了分销页面、VR页面、支付页面、商品不存在页面的硬编码提示文案，替换为国际化调用
3. 删除了原有的i18n检查脚本文件

lang/en-us/ai-chat/index.js

@@ -0,0 +1,104 @@
+export const lang = {
+	//title for each page
+	title: 'AI Customer Service',
+
+	// ====== Common ======
+	cancel: 'Cancel',
+	save: 'Save',
+	send: 'Send',
+	retry: 'Retry',
+
+	// ====== Time Format ======
+	timeFormatToday: 'Today',
+	timeFormatYesterday: 'Yesterday',
+	timeFormatBeforeYesterday: 'Day before yesterday',
+
+	// ====== ai-chat-message ======
+	aiNickname: 'AI Assistant',
+	defaultNickname: 'Me',
+	audioMessage: 'Voice Message',
+	videoMessage: 'Video Message',
+	inputPlaceholder: 'Please enter your question...',
+	expandEditorTitle: 'Edit Content',
+	loadMoreHistory: 'Load more history',
+	loadingHistory: 'Loading history...',
+	aiThinking: 'AI is thinking',
+	receivingReply: 'Receiving reply',
+	aiThinkingStatus1: 'AI is thinking',
+	aiThinkingStatus2: 'AI is analyzing',
+	aiThinkingStatus3: 'AI is searching',
+	aiThinkingStatus4: 'AI is generating',
+	serviceUnavailable: 'Sorry, the AI service is temporarily unavailable. Please try again later.',
+	serviceTemporaryUnavailable: 'Sorry, the service is temporarily unavailable. Please try again later.',
+	noContentToCopy: 'No content to copy',
+	copySuccess: 'Copied',
+	copySelected: 'Copied selected content',
+	copyFail: 'Copy failed',
+	openingFile: 'Opening file...',
+	fileOpenFail: 'Failed to open file',
+	loadHistoryFail: 'Failed to load history',
+	about: '0B',
+
+	// ====== ai-chat-search ======
+	searchEntrance: 'Search',
+	searchPlaceholder: 'Search chat history',
+	searchClose: 'Done',
+	noMatchResult: 'No matching results',
+	searchAtTop: 'Already at top',
+	searchAtBottom: 'Already at bottom',
+
+	// ====== index.vue ======
+	settingsTitle: 'Settings',
+	fallbackWelcome: 'Hello! I am an AI customer service assistant, glad to serve you!\n\nI can help you with:\n• Product-related questions\n• Order issues\n• Technical support\n• Product recommendations\n\nPlease tell me how I can assist you?',
+	changeAvatar: 'Change Avatar',
+	changeAvatarDesc: 'Customize your chat avatar',
+	changeNickname: 'Change Nickname',
+	changeNicknameDesc: 'Customize your nickname',
+	clearChat: 'Clear Chat',
+	exportChat: 'Export Records',
+	help: 'Help',
+	confirmClearChat: 'Are you sure you want to clear the chat?',
+	chatCleared: 'Chat history has been cleared. How can I help you?',
+	featureDeveloping: 'Feature under development',
+	thanksFeedback: 'Thank you for your feedback!',
+	improveService: 'We will improve our service',
+	openLink: 'Open Link',
+	confirmOpenLink: 'Are you sure you want to open this link: ',
+	operationFailed: 'Operation failed, please try again',
+	prompt: 'Prompt',
+	serviceTypeNotSupported: 'Current service type does not support this page',
+
+	// ====== ai-chat-avatar-selector ======
+	avatarSelectorTitle: 'Change Avatar',
+	chooseFromAlbum: 'Choose from Album',
+	avatarChangeSuccess: 'Avatar changed successfully',
+	enableAlbumPermission: 'Please enable album permission',
+
+	// ====== ai-chat-emoji-panel ======
+	emojiTitle: 'Emoji',
+
+	// ====== ai-chat-nickname-editor ======
+	editNickname: 'Edit Nickname',
+	newNicknamePlaceholder: 'Please enter your new nickname',
+	nicknameTip: 'Nickname length 1-12 characters, visible only to you',
+	nicknameChangeSuccess: 'Nickname changed successfully',
+
+	// ====== ai-chat-tools-panel ======
+	moreFunctions: 'More Features',
+	image: 'Image',
+	file: 'File',
+	voice: 'Voice',
+	location: 'Location',
+
+	// ====== ai-chat-voice-panel ======
+	voiceInputTitle: 'Voice Input',
+	recordingTip: 'Recording, release to end',
+	startRecordTip: 'Tap to start recording',
+	voiceInputFailed: 'Voice input failed',
+
+	// ====== index.vue - Menu ======
+	menuClearChat: 'Clear Chat',
+	menuExport: 'Export Records',
+	menuSettings: 'Settings',
+	menuHelp: 'Help'
+}