feat: 优化首页服务入口与租住业务流程

补齐首页待办跳转、押金支付引导和多类租住服务页面能力，统一租客端关键业务流程体验。

utils/reservation-flow.js

@@ -1,8 +1,8 @@
 const RESERVATION_FLOW_STEP = {
   APPLICATION: 1,
   INSPECTION: 2,
-  BILL: 3,
-  CONTRACT: 4,
+  CONTRACT: 3,
+  BILL: 4,
   CHECKIN: 5
 }
 
@@ -90,7 +90,70 @@ export function getReservationCurrentNode(flow = {}) {
     return null
   }
 
-  return nodes.find(item => item.isCurrent) || nodes[nodes.length - 1]
+  const currentNodes = nodes.filter(item => item.isCurrent)
+  if (currentNodes.length) {
+    const currentCheckinNode = currentNodes.find(item => (
+      Number(item.step || 0) === RESERVATION_FLOW_STEP.CHECKIN
+      && String(item.refNo || '').trim()
+    ))
+    if (currentCheckinNode) {
+      return currentCheckinNode
+    }
+
+    // 后端偶发会把前序节点也标记成 isCurrent，优先取排序最靠后的当前节点
+    return currentNodes[currentNodes.length - 1]
+  }
+
+  const checkinNode = nodes.find(item => (
+    Number(item.step || 0) === RESERVATION_FLOW_STEP.CHECKIN
+    && String(item.refNo || '').trim()
+  ))
+  if (checkinNode) {
+    return checkinNode
+  }
+
+  return nodes[nodes.length - 1]
+}
+
+export function getReservationCurrentFlow(flowList = []) {
+  const flows = normalizeArray(flowList)
+    .filter(item => item && typeof item === 'object')
+    .map(item => ({
+      flow: item,
+      currentNode: getReservationCurrentNode(item)
+    }))
+    .filter(item => item.currentNode)
+
+  if (!flows.length) {
+    return null
+  }
+
+  const compareNode = (target) => {
+    const node = target.currentNode || {}
+    const step = Number(node.step || 0)
+    const sort = Number(node.sort || 0)
+    const refNo = String(node.refNo || '').trim()
+    const isCurrent = !!node.isCurrent
+    const isCheckinWithRefNo = step === RESERVATION_FLOW_STEP.CHECKIN && !!refNo
+    return [
+      isCheckinWithRefNo ? 1 : 0,
+      isCurrent ? 1 : 0,
+      step,
+      sort
+    ]
+  }
+
+  return flows
+    .sort((a, b) => {
+      const aScore = compareNode(a)
+      const bScore = compareNode(b)
+      for (let index = 0; index < aScore.length; index += 1) {
+        if (aScore[index] !== bScore[index]) {
+          return bScore[index] - aScore[index]
+        }
+      }
+      return 0
+    })[0].flow
 }
 
 export function hasEffectiveReservationFlow(flow = {}) {
@@ -149,7 +212,7 @@ export function getReservationStepMeta(step, language = 'zh') {
     },
     [RESERVATION_FLOW_STEP.BILL]: {
       label: currentLanguage === 'en' ? 'Bill' : '账单',
-      actionText: currentLanguage === 'en' ? 'Go to Bill' : '去缴费'
+      actionText: currentLanguage === 'en' ? 'Go to Payment' : '去支付'
     },
     [RESERVATION_FLOW_STEP.CONTRACT]: {
       label: currentLanguage === 'en' ? 'Contract' : '合同',