diff --git a/scripts/admin-test-env-modules/dropship-pallet-matrix-contract.test.mjs b/scripts/admin-test-env-modules/dropship-pallet-matrix-contract.test.mjs
index d82528c10..65ea1283e 100644
--- a/scripts/admin-test-env-modules/dropship-pallet-matrix-contract.test.mjs
+++ b/scripts/admin-test-env-modules/dropship-pallet-matrix-contract.test.mjs
@@ -5,6 +5,13 @@ import { normalizeModuleOrder } from '../admin-test-env-acceptance.mjs'
 import { sameOutboundTask } from './dropship-pallet-matrix.mjs'
 import { receivingProgressMatches, outboundCandidateGuards, probePartialPick } from './dropship-outbound-edge-cases.mjs'
 
+test('loading confirmation assigns the authenticated PDA operator from the target warehouse', () => {
+  const source = readFileSync(new URL('./dropship-pallet-matrix.mjs', import.meta.url), 'utf8')
+  assert.match(source, /domestic-pda-operators\?warehouseId=\$\{summary\.warehouseId\}/)
+  assert.match(source, /selectSessionPdaOperator\(operators, context\.pdaToken\)/)
+  assert.match(source, /assigneeId: String\(operator\.userId\)/)
+})
+
 test('receiving verifier follows three independent inbound codes through interleaved progress', () => {
   const expected = [{ inboundCode: 'FBA', total: 5, received: 0 },
     { inboundCode: 'DROPSHIP', total: 4, received: 0 }, { inboundCode: 'OVERSEAS', total: 3, received: 0 }]
diff --git a/scripts/admin-test-env-modules/dropship-pallet-matrix.mjs b/scripts/admin-test-env-modules/dropship-pallet-matrix.mjs
index f5bbb2025..b5d7d1856 100644
--- a/scripts/admin-test-env-modules/dropship-pallet-matrix.mjs
+++ b/scripts/admin-test-env-modules/dropship-pallet-matrix.mjs
@@ -14,6 +14,7 @@ import { resolvePickerAccess, createPicker, disablePicker, uploadPhotos } from '
 import { receivingProgressMatches, outboundCandidateGuards, outboundCreationGuards, outboundTaskGuards, probePartialPick } from './dropship-outbound-edge-cases.mjs'
 import { receiveMixedContainer } from './mixed-container-receiving.mjs'
 import { exerciseOldCabinets } from './pda-loading-link-regression.mjs'
+import { selectSessionPdaOperator } from './domestic-pda-operator.mjs'
 
 const MODULE = 'dropship-pallet-matrix'
 const BASE = '/api/platform/v1/first-leg/pda-dropship'
@@ -274,8 +275,12 @@ async function runWorkflow(context, stopBeforeOverseasPda, mixedContainer = fals
     const loadingDetail = await command('读取整份预装确认门禁', 'GET',
       `/api/platform/v1/first-leg/loading-plans/${plan.id}?warehouseId=${summary.warehouseId}`)
     check(`${label}全部成员可以确认预装`, null, loadingDetail.summary?.readiness?.canConfirm === true)
+    const operators = await command('查询当前仓国内PDA作业员', 'GET',
+      `/api/platform/v1/iam/users/domestic-pda-operators?warehouseId=${summary.warehouseId}`)
+    const operator = selectSessionPdaOperator(operators, context.pdaToken)
     const confirmed = await command('确认整份预装', 'POST', `/api/platform/v1/first-leg/loading-plans/${plan.id}/confirm`,
-      { expectedVersion: Number(loadingDetail.summary.version) }, { 'Idempotency-Key': `${context.marker}-confirm` })
+      { expectedVersion: Number(loadingDetail.summary.version), assigneeId: String(operator.userId) },
+      { 'Idempotency-Key': `${context.marker}-confirm` })
     const taskId = String(confirmed.readiness.pdaTaskId)
     const pda = `/api/platform/v1/first-leg/pda-loading/tasks/${taskId}`
     const task = await command('读取装柜PDA任务', 'GET', `${pda}?warehouseId=${summary.warehouseId}`)