test: align full-chain fixture invariants

scripts/admin-test-env-modules/phase4-overseas-pda-operations.mjs

@@ -574,6 +574,16 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
   const targets = [printedA.data, printedB.data]
   const beforeBySource = new Map()
   const movedFacts = []
+  const sourceCodes = confirmed.items.map((itemDetail) => {
+    const sourcePositionId = id(itemDetail?.sourceInventoryPositionId)
+    return sourceLines.find((line) => id(line.position.positionId) === sourcePositionId)?.position?.palletNo || ''
+  })
+  const sourceFrequency = sourceCodes.reduce((counts, sourceCode) => {
+    if (sourceCode) counts.set(sourceCode, (counts.get(sourceCode) || 0) + 1)
+    return counts
+  }, new Map())
+  const splitSource = [...sourceFrequency.entries()].find(([, count]) => count >= 2)?.[0] || ''
+  let splitSourceMoves = 0
   for (const [index, itemDetail] of confirmed.items.entries()) {
     const sourcePositionId = id(itemDetail?.sourceInventoryPositionId)
     const sourceLine = sourceLines.find((line) => id(line.position.positionId) === sourcePositionId)
@@ -586,9 +596,8 @@ async function verifyRelabel(context, token, merchantToken, fixture) {
       `P5拆托${index + 1}前刷新来源托盘`)).data
     if (!sourceBefore) return false
     if (!beforeBySource.has(sourcePalletCode)) beforeBySource.set(sourcePalletCode, Number(sourceBefore.totalPackages))
-    // A receives one carton, then B receives one and is reused as an occupied merge target.
-    // If the first two cartons share a source, the same source is split across A and B.
-    const targetSeed = index === 0 ? targets[0] : targets[1]
+    // Split one repeated source across A and B; all other cartons reuse occupied B as the merge target.
+    const targetSeed = sourcePalletCode === splitSource && splitSourceMoves++ === 0 ? targets[0] : targets[1]
     const targetBefore = (await resolvePallet(context, token, targetSeed.palletCode,
       `P5拆托${index + 1}前刷新目标托盘`)).data
     const reason = index === 0 ? null : `${context.marker}-场景${index + 1}`
@@ -699,9 +708,11 @@ export async function run(context) {
         'phase4-overseas-pda未交接本轮primary picker会话与已完成库存事实')
       return
     }
-    const fixture = handoff.completedFixtures.find((item) => Array.isArray(item?.inventory)
+    const fixturesByAuxiliaryCapacity = [...handoff.completedFixtures]
+      .sort((left, right) => (right?.auxiliaryPallets?.length || 0) - (left?.auxiliaryPallets?.length || 0))
+    const fixture = fixturesByAuxiliaryCapacity.find((item) => Array.isArray(item?.inventory)
       && item.inventory.some((line) => Number(line?.availablePackages) > 1))
-      || handoff.completedFixtures.find((item) => Array.isArray(item?.inventory)
+      || fixturesByAuxiliaryCapacity.find((item) => Array.isArray(item?.inventory)
         && item.inventory.some((line) => Number(line?.availablePackages) > 0))
     if (!fixture) {
       blocker(context, 'P2-P5可操作库存', '本轮已完成柜没有可移动的真实库存位置')