feat(self-operated): add transit column and streamline dashboard ranking explanations

src/modules/self-operated/components/InventoryTurnoverView.vue

@@ -56,6 +56,7 @@ const columns = computed<DataTableColumn[]>(() => [
   { prop: 'customerCode', label: '所属货主', slotName: 'owner', minWidth: 160 },
   ...(ownerMode.value ? [{ prop: 'physicalSkuCount', label: '有实物SKU数', minWidth: 125 }] : []),
   { prop: 'physicalQuantity', label: '实物件数', slotName: 'physicalQuantity', minWidth: 145 }, { prop: 'availableQuantity', label: '正品可售', slotName: 'availableQuantity', minWidth: 145 },
+  { prop: 'transitQuantity', label: '在途', slotName: 'transitQuantity', minWidth: 125 },
   ...([7, 15, 30] as const).map(n => ({ prop: `outbound${n}`, label: `${n}日出库`, slotName: `outbound${n}`, minWidth: 160 })),
   { prop: 'averageDailyOutboundQuantity', label: `${applied.value?.baseWindowDays ?? 30}日日均`, slotName: 'daily', minWidth: 110 },
   ...(ownerMode.value ? [{ prop: 'noOutboundInWindow', label: '无出库SKU / 实物', slotName: 'noOutbound', minWidth: 190 }, { prop: 'slowCoverage', label: '慢消化SKU / 待判断', slotName: 'slow', minWidth: 175 }] : [{ prop: 'inventoryCoverageDays', label: '预计可售天数', slotName: 'coverage', minWidth: 150 }]),
@@ -266,7 +267,7 @@ onUnmounted(() => { fence.cancel(); runtimeFence.cancel(); trendFence.cancel() }
         </template>
         <template #sku="{ row }"><el-button link type="primary" @click="showTrend(castRow(row))">{{ castRow(row).sku }}</el-button></template>
         <template #owner="{ row }"><el-button v-if="ownerMode" link type="primary" @click="selectOwner(castRow(row).customerCode)">{{ castRow(row).customerName || castRow(row).customerCode }}</el-button><span v-else>{{ castRow(row).customerName || castRow(row).customerCode }}</span></template>
-        <template v-for="key in ['physicalQuantity', 'availableQuantity', 'frozenQuantity', 'defectiveQuantity'] as const" :key="key" #[key]="{ row }">{{ totalText(castRow(row)[key]) }}</template>
+        <template v-for="key in ['physicalQuantity', 'availableQuantity', 'transitQuantity', 'frozenQuantity', 'defectiveQuantity'] as const" :key="key" #[key]="{ row }">{{ totalText(castRow(row)[key]) }}</template>
         <template v-for="n in [7, 15, 30] as TurnoverWindow[]" :key="n" #[`outbound${n}`]="{ row }">{{ windowText(castRow(row).windows.find(w => w.days === n)) }}</template>
         <template #daily="{ row }">{{ turnoverNumber(castRow(row).averageDailyOutboundQuantity) }}</template>
         <template #coverage="{ row }">{{ turnoverNumber(castRow(row).inventoryCoverageDays, 1) }}<small>{{ reasonsText([castRow(row).coverageStatus]) }}</small></template>