feat: 价格限制最低4港币

src/lang/cn.ts

@@ -1759,6 +1759,7 @@ export default {
 		learnMore: '了解更多',
 		requiredFieldTips: '请填写{field}',
 		requiredFieldTipsWithPage: '第 {index} 个商品：请填写{field}',
+		priceMinMessage: '价格不能低于4港币',
 		draftSaved: '草稿已保存',
 		draftDesc: '您的商品已保存为草稿。\n您可以继续编辑，或稍后在“我的商品”中发布。',
 		listingLive: '商品已上架',

src/lang/en.ts

@@ -1810,6 +1810,7 @@ export default {
 		learnMore:'Learn more',
 		requiredFieldTips:'Please fill in {field}',
 		requiredFieldTipsWithPage:'Listing {index}: Please fill in {field}',
+		priceMinMessage: 'Price cannot be less than HK$4',
 		draftSaved: 'Draft Saved',
 		draftDesc: 'Your listing has been saved as a draft. \nYou can continue editing or publish it later from My Listings.',
 		listingLive:'Listing Live',

src/views/SellerDashboard/MyListings/EditDetail/index.vue

@@ -41,7 +41,7 @@
 					:gender-options="genderOptions"
 					:category-options="categoryOptions"
 					@update:product-name="currentListing.productName = $event"
-						@update:price="currentListing.price = $event"
+					@update:price="handleUpdatePrice"
 					@update:desc="currentListing.desc = $event"
 					@update:gender="handleUpdateGender"
 					@update:category="currentListing.category = $event"
@@ -171,6 +171,16 @@
 		currentListing.value.category = null
 	}
 
+	const handleUpdatePrice = (value: string) => {
+		const num = Number(value)
+		if (value && !Number.isNaN(num) && num < 4) {
+			currentListing.value.price = "4"
+			message.warning(t("SellerListEdit.priceMinMessage"))
+		} else {
+			currentListing.value.price = value
+		}
+	}
+
 	const previewImageMap = computed(() => ({
 		sketch: currentListing.value.sketch,
 		mainProductImage: currentListing.value.mainProductImage,