优化套餐新建版本的逻辑

bms-front/src/views/price/set/components/create/StepDetails.vue

@@ -58,6 +58,7 @@
           <div class="build-card__desc">按产品库基础价生成套餐产品列表，可再导入 Excel 修改价格</div>
         </button>
         <button
+          v-if="showImportInherit"
           type="button"
           class="build-card build-card--import"
           :class="{ selected: isImportBuildMode(priceBuildMode) }"
@@ -247,7 +248,12 @@ const props = defineProps({
   /** True when build mode changed locally and not saved yet */
   buildModeDirty: { type: Boolean, default: false },
   /** False while parent still loading package data — avoid first click being wiped by applySetData */
-  buildModeReady: { type: Boolean, default: true }
+  buildModeReady: { type: Boolean, default: true },
+  /**
+   * Show「按上一版 Excel 建价」(IMPORT). Hidden for brand-new package create
+   * (no prior version); keep for newVersion / copy / edit.
+   */
+  showImportInherit: { type: Boolean, default: true }
 })
 
 const emit = defineEmits(['update:psvId', 'update:priceBuildMode', 'update:pefId'])

bms-front/src/views/price/set/components/detail/SetVersionDetailDrawer.vue

@@ -173,7 +173,8 @@ const noneSc = '无'
 const isFixed = computed(() => isFixedType(props.setType))
 const title = computed(() => {
   const v = props.version || {}
-  return (v.versionNo || '-') + ' · 版本明细'
+  const eff = v.effectiveTime || '未设置生效时间'
+  return eff + ' · 版本明细'
 })
 const detailTitleText = computed(() => {
   const p = activeProduct.value || {}

bms-front/src/views/price/set/components/detail/SetVersionTable.vue

@@ -19,13 +19,10 @@
     </el-tabs>
 
     <el-table :data="filteredVersions" border empty-text="暂无版本">
-      <el-table-column :label="colNo" width="100">
-        <template #default="{ row }">
-          <el-button link type="primary" @click="openDetails(row)">{{ row.versionNo || '-' }}</el-button>
-        </template>
-      </el-table-column>
       <el-table-column :label="colEff" min-width="170">
-        <template #default="{ row }">{{ row.effectiveTime || '-' }}</template>
+        <template #default="{ row }">
+          <el-button link type="primary" @click="openDetails(row)">{{ row.effectiveTime || '未设置' }}</el-button>
+        </template>
       </el-table-column>
       <el-table-column :label="colExp" min-width="170">
         <template #default="{ row }">{{ row.expireTime || '-' }}</template>
@@ -90,7 +87,6 @@ const props = defineProps({
 const emit = defineEmits(['update:modelValue', 'create-version', 'open-details', 'view-import-attach', 'activate', 'reschedule', 'edit', 'remove'])
 
 const title = '套餐版本'
-const colNo = '版本号'
 const colEff = '生效时间'
 const colExp = '失效时间'
 const colStatus = '状态'
@@ -121,10 +117,33 @@ function tabLabel(key) {
 
 const hasDraft = computed(() => (props.versions || []).some(v => isDraftVersion(v)))
 
+function toEffMs(v) {
+  if (!v || !v.effectiveTime) return NaN
+  const t = new Date(String(v.effectiveTime).replace(/-/g, '/')).getTime()
+  return Number.isNaN(t) ? NaN : t
+}
+
+/** Sort by effective time descending; drafts without time last. */
+function sortByEffectiveTime(list) {
+  return (list || []).slice().sort((a, b) => {
+    const ta = toEffMs(a)
+    const tb = toEffMs(b)
+    const aNull = Number.isNaN(ta)
+    const bNull = Number.isNaN(tb)
+    if (aNull && bNull) return (Number(b.versionSeq) || 0) - (Number(a.versionSeq) || 0)
+    if (aNull) return 1
+    if (bNull) return -1
+    if (tb !== ta) return tb - ta
+    return (Number(b.versionSeq) || 0) - (Number(a.versionSeq) || 0)
+  })
+}
+
 const filteredVersions = computed(() => {
   const list = props.versions || []
-  if (statusTab.value === 'all') return list
-  return list.filter(v => String(v.status) === statusTab.value)
+  const filtered = statusTab.value === 'all'
+    ? list
+    : list.filter(v => String(v.status) === statusTab.value)
+  return sortByEffectiveTime(filtered)
 })
 
 function detailCount(row) {