feat: 新增多语言文案与组件国际化适配

本次提交完成了大量多语言相关的新增与优化工作：
1. 新增充值、案例、会员资产、订单等页面的中文/英文翻译文案
2. 新增企业微信客服、时间选择、支付弹窗等组件的多语言包
3. 优化工具函数与自定义页面的多语言适配，替换硬编码提示文案
4. 新增会员等级规则、积分商品、退款管理等页面的国际化支持
5. 修复企业微信JS-SDK的错误提示文案硬编码问题

lang/en-us/merch/edit.js

@@ -2,4 +2,71 @@ export const lang = {
 	//title为每个页面的标题
 	title: 'Edit Product',
 	addTitle: 'Add Product',
+
+	// Product status
+	grounding: {
+		offShelf: 'Off Shelf',
+		onShelf: 'On Shelf',
+	},
+
+	// Pickup type
+	pickupType: {
+		sameDay: 'Same Day Delivery',
+		nextDay: 'Next Day Delivery',
+		dayAfter: 'Day After Delivery',
+	},
+
+	// Virtual delivery type
+	virtualDeliver: {
+		auto: 'Automatic Delivery',
+		manual: 'Manual Delivery',
+		verify: 'In-store Verification',
+	},
+
+	// Virtual receive type
+	virtualReceive: {
+		auto: 'Automatic Receipt',
+		buyerConfirm: 'Buyer Confirm Receipt',
+	},
+
+	// Validity type
+	validityType: {
+		permanent: 'Permanent',
+		daysAfterPurchase: 'Valid for Days After Purchase',
+		specifiedDate: 'Specified Expiry Date',
+	},
+
+	// Card code
+	carmi: {
+		add: 'Add Card Code',
+		addWithCount: 'Add Card Code [{count}]',
+	},
+
+	// Limit type
+	limitType: {
+		single: 'Single Purchase Limit',
+		longTerm: 'Long-term Purchase Limit',
+	},
+
+	// Messages
+	message: {
+		goodsNotExist: 'Product does not exist',
+		maxCategory: 'Product can belong to multiple categories, maximum 10',
+		pleaseEnterGoodsName: 'Please enter product name',
+		subtitleMaxLength: 'Product description cannot exceed {max} characters',
+		pleaseUploadGoodsImage: 'Please upload product images',
+		pleaseEnterSalePrice: 'Please enter sale price',
+		salePriceFormatError: '[Sale Price] format input error',
+		originalPriceFormatError: '[Original Price] format input error',
+		pleaseEnterStock: 'Please enter stock',
+		stockFormatError: '[Stock] format input error',
+		minOrderFormatError: '[Minimum Order] format input error',
+		minOrderNotLessThanZero: 'Minimum order quantity cannot be less than 0',
+	},
+
+	// Placeholder
+	placeholder: {
+		selectGoodsForm: 'Please select product form',
+		selectSupplier: 'Please select supplier',
+	},
 }