统一状态码，优化对应逻辑

pages/mall/delivery/test/platform-tracking-query.uvue

@@ -46,7 +46,9 @@
 						<text class="event-text">{{ event.event_text }}</text>
 						<view class="event-meta">
 							<text class="meta-tag blue">代码: {{ event.event_code }}</text>
-							<text class="meta-tag orange">映射状态: {{ getStatusMapping(event.status_code) }}</text>
+							<text class="meta-tag orange" v-if="index === 0 || event.status_code !== events[index - 1].status_code">
+								映射状态: {{ getStatusMapping(event.status_code) }}
+							</text>
 						</view>
 						<view class="raw-box" v-if="showRaw[index]">
 							<text class="raw-text">{{ JSON.stringify(event.raw_payload, null, 2) }}</text>
@@ -119,26 +121,10 @@
 				this.showRaw[index] = !current
 			},
 			getStatusText(status: string) : string {
-				const maps = { 
-					'PENDING': '待发货', 
-					'SHIPPED': '已发货', 
-					'IN_TRANSIT': '运输中',
-					'DELIVERED': '已签收',
-					'OUT_FOR_DELIVERY': '派送中',
-					'EXCEPTION': '异常'
-				}
-				return (maps[status] != null) ? maps[status] : status
+				return mockService.getStatusText(status)
 			},
 			getStatusMapping(code: string) : string {
-				const maps = {
-					'SHIPPED': '已揽收',
-					'IN_TRANSIT': '运输中',
-					'ARRIVED_HUB': '到达分拨中心',
-					'OUT_FOR_DELIVERY': '正在派送',
-					'DELIVERED': '已签收',
-					'EXCEPTION': '包裹异常'
-				}
-				return (maps[code] != null) ? maps[code] : code
+				return mockService.getStatusText(code)
 			},
 			async runScenario(type: string) {
 				if (this.waybillInfo == null) return