diff --git a/scripts/admin-test-env-modules/booking-supplier-scope-contract.test.mjs b/scripts/admin-test-env-modules/booking-supplier-scope-contract.test.mjs
index 4b965fac4..a887f7587 100644
--- a/scripts/admin-test-env-modules/booking-supplier-scope-contract.test.mjs
+++ b/scripts/admin-test-env-modules/booking-supplier-scope-contract.test.mjs
@@ -59,11 +59,11 @@ test('Firstleg booking supplier snapshot requires ACTIVE BOOKING and has no dome
 })
 
 test('HTTP ocean booking acceptance selects an ACTIVE BOOKING supplier without a geographic scope', () => {
-  assert.match(oceanBookingFixture, /category=BOOKING&status=ACTIVE/)
+  assert.match(oceanBookingFixture, /resolveOceanBookingAgent\(context, MODULE, 'MATSON', OPTIONS\)/)
   assert.match(oceanBookingFixture, /bookingAgentId: id\(agent\.id\), bookingAgentName: agent\.name/)
   assert.match(oceanBookingFixture, /shippingCompanyId: id\(carrier\.id\), shippingCompanyName: carrier\.name, carrierCode: 'MATSON'/)
   assert.match(oceanBookingFixture, /使用 ACTIVE BOOKING 订舱代理事实源/)
-  assert.doesNotMatch(oceanBookingFixture, /category=BOOKING[^'\n]*scope=/)
+  assert.doesNotMatch(oceanBookingFixture, /scope=/)
 })
 
 test('frozen MATSON and COSCO matrix is many-to-many and changing B to COSCO clears the selection', () => {
diff --git a/scripts/admin-test-env-modules/ocean-booking-fixture-contract.test.mjs b/scripts/admin-test-env-modules/ocean-booking-fixture-contract.test.mjs
index 6252d8407..709073d92 100644
--- a/scripts/admin-test-env-modules/ocean-booking-fixture-contract.test.mjs
+++ b/scripts/admin-test-env-modules/ocean-booking-fixture-contract.test.mjs
@@ -2,7 +2,7 @@ import assert from 'node:assert/strict'
 import { readFileSync } from 'node:fs'
 import test from 'node:test'
 
-import { oceanBookingDraft, oceanBookingDraftWithoutCustomer, publishPlatformLogisticsChannels, resolveOceanBookingMaster } from './ocean-booking-fixture.mjs'
+import { oceanBookingDraft, oceanBookingDraftWithoutCustomer, publishPlatformLogisticsChannels, resolveOceanBookingAgent, resolveOceanBookingMaster } from './ocean-booking-fixture.mjs'
 
 const read = (name) => readFileSync(new URL(name, import.meta.url), 'utf8')
 const master = { customerId: '21', customerName: 'IT 测试客户', channelCode: 'SEA-US', channelName: '美西海运', warehouseId: '41', warehouseName: '深圳仓' }
@@ -68,6 +68,16 @@ test('platform channel producer uses the selected origin warehouse and publishes
   assert.deepEqual(context.createdResources.platformLogisticsChannels, catalog)
 })
 
+test('booking agent fixture uses the carrier-filtered server candidates', async () => {
+  const calls = []
+  const context = { request: async (method, path) => {
+    calls.push({ method, path }); return { body: { code: '200', data: [{ supplierId: 81, name: 'MATSON 代理' }] } }
+  }, apiSuccess: (_module, _name, response) => response.body.data,
+  assert: (_module, _name, _response, condition) => assert.equal(condition, true) }
+  assert.deepEqual(await resolveOceanBookingAgent(context, 'test', 'matson'), { id: '81', name: 'MATSON 代理' })
+  assert.deepEqual(calls, [{ method: 'GET', path: '/api/platform/v1/ocean-bookings/booking-agents?carrierCode=MATSON' }])
+})
+
 test('all production booking fixtures use DRAFT release and the shared requirements contract', () => {
   for (const name of ['ocean-bookings.mjs', 'phase3-loading.mjs', 'phase3-container-loading.mjs', 'phase3-order-splitting.mjs', 'manual-state-loading-pda.mjs', 'manual-state-ocean-trucking.mjs']) {
     const source = read(name)
diff --git a/scripts/admin-test-env-modules/ocean-booking-fixture.mjs b/scripts/admin-test-env-modules/ocean-booking-fixture.mjs
index b3e3a01cf..e2a26d8f1 100644
--- a/scripts/admin-test-env-modules/ocean-booking-fixture.mjs
+++ b/scripts/admin-test-env-modules/ocean-booking-fixture.mjs
@@ -52,6 +52,19 @@ export async function resolveOceanBookingMaster(context, module) {
   return master
 }
 
+export async function resolveOceanBookingAgent(context, module, carrierCode, options = {}) {
+  const normalizedCarrierCode = text(carrierCode).toUpperCase()
+  const response = await context.request('GET',
+    `/api/platform/v1/ocean-bookings/booking-agents?carrierCode=${encodeURIComponent(normalizedCarrierCode)}`)
+  const candidates = context.apiSuccess(module, '按船司读取可用订舱代理', response,
+    `carrierCode=${normalizedCarrierCode}`, options)
+  const selected = (Array.isArray(candidates) ? candidates : []).find((item) =>
+    text(item?.supplierId) && text(item?.name))
+  context.assert(module, '订舱代理已由服务端按船司关联过滤', response,
+    Boolean(selected), `carrierCode=${normalizedCarrierCode}`, options)
+  return selected ? { id: text(selected.supplierId), name: text(selected.name) } : null
+}
+
 export function oceanBookingDraft(context, suffix, master, labels = {}) {
   const { channelName: _readOnlyChannelName, warehouseName: _readOnlyWarehouseName, ...writableMaster } = master
   const normalizedSuffix = text(suffix).replace(/[^A-Za-z0-9]/g, '').slice(-32) || 'BOOKING'
diff --git a/scripts/admin-test-env-modules/ocean-bookings.mjs b/scripts/admin-test-env-modules/ocean-bookings.mjs
index de5e35e5a..a4797d0d7 100644
--- a/scripts/admin-test-env-modules/ocean-bookings.mjs
+++ b/scripts/admin-test-env-modules/ocean-bookings.mjs
@@ -1,7 +1,7 @@
 const MODULE = 'ocean-bookings'
 const OPTIONS = { scenario: 'ocean-booking-lifecycle', deploymentBlocker: true }
 const BASE = '/api/platform/v1/ocean-bookings'
-import { oceanBookingDraft, resolveOceanBookingMaster } from './ocean-booking-fixture.mjs'
+import { oceanBookingDraft, resolveOceanBookingAgent, resolveOceanBookingMaster } from './ocean-booking-fixture.mjs'
 import { oceanBookingFieldGaps } from './fulfillment-list-field-contract.mjs'
 import { ensureMatsonCarrierPartner } from './carrier-partner-fixture.mjs'
 
@@ -46,14 +46,12 @@ export async function run(context) {
   const master = await resolveOceanBookingMaster(context, MODULE)
   if (!master) return
   const suffix = context.marker.replace(/\D/g, '').slice(-10) || 'BOOKING'
-  const agentResponse = await request(context, 'GET', '/api/platform/v1/suppliers?tenantId=0&category=BOOKING&status=ACTIVE&page=1&size=20')
-  const agentPage = payload(agentResponse)
-  const agent = agentPage?.records?.find?.((item) => item?.category === 'BOOKING' && item?.status === 'ACTIVE')
-  step(context, '使用 ACTIVE BOOKING 订舱代理事实源', agentResponse, Boolean(agent?.id && agent?.name),
-    `supplierId=${id(agent?.id) || 'missing'}, scope=${agent?.scope || 'not-exposed'}`)
+  const agent = await resolveOceanBookingAgent(context, MODULE, 'MATSON', OPTIONS)
+  step(context, '使用 ACTIVE BOOKING 订舱代理事实源', null, Boolean(agent?.id && agent?.name),
+    `supplierId=${id(agent?.id) || 'missing'}`)
   if (!agent?.id || !agent?.name) return
   const carrier = await ensureMatsonCarrierPartner(context, MODULE, OPTIONS)
-  step(context, '使用 ACTIVE CARRIER 船公司事实源', agentResponse,
+  step(context, '使用 ACTIVE CARRIER 船公司事实源', null,
     Boolean(carrier?.id && carrier?.carrierCode === 'MATSON'), `partnerId=${id(carrier?.id) || 'missing'}`)
   if (!carrier?.id) return
   const data = fullDraft(context, suffix, master, {
diff --git a/scripts/admin-test-env-modules/phase3-container-loading.mjs b/scripts/admin-test-env-modules/phase3-container-loading.mjs
index 367b78a19..6a4482b95 100644
--- a/scripts/admin-test-env-modules/phase3-container-loading.mjs
+++ b/scripts/admin-test-env-modules/phase3-container-loading.mjs
@@ -1,4 +1,4 @@
-import { publishPlatformLogisticsChannels } from './ocean-booking-fixture.mjs'
+import { publishPlatformLogisticsChannels, resolveOceanBookingAgent } from './ocean-booking-fixture.mjs'
 import { diffPushPreloadStability, projectPushPreloadStability } from './push-preload-stability.mjs'
 import { containerFieldGaps, loadingListFieldGaps, preloadFieldGaps } from './fulfillment-list-field-contract.mjs'
 import { ensureMatsonCarrierPartner } from './carrier-partner-fixture.mjs'
@@ -162,16 +162,13 @@ export async function run(context) {
   const primaryRequirement = { containerType: '40HC', containerKind: 'FCL', capacityCbm: 76, maxWeightKg: 28000 }
   const realContainerNo = iso6346ContainerNumber(`${context.marker}-initial`)
   const wrongContainerNo = `TST-${suffix}-02`.slice(0, 64)
-  const agentResponse = await context.request('GET',
-    '/api/platform/v1/suppliers?tenantId=0&category=BOOKING&status=ACTIVE&page=1&size=20')
-  const agentPage = context.apiSuccess(MODULE, '查询放舱所需 ACTIVE 订舱代理', agentResponse, '', OPTIONS)
-  const bookingAgent = records(agentPage).find((item) => item?.category === 'BOOKING' && item?.status === 'ACTIVE')
-  context.assert(MODULE, '放舱订舱使用真实启用供应商', agentResponse,
+  const bookingAgent = await resolveOceanBookingAgent(context, MODULE, 'MATSON', OPTIONS)
+  context.assert(MODULE, '放舱订舱使用真实启用供应商', null,
     Boolean(bookingAgent?.id && bookingAgent?.name),
     `supplierId=${id(bookingAgent?.id) || 'missing'}`, OPTIONS)
   if (!bookingAgent?.id || !bookingAgent?.name) return
   const shippingCarrier = await ensureMatsonCarrierPartner(context, MODULE, OPTIONS)
-  context.assert(MODULE, '放舱船公司使用真实启用CARRIER往来单位', agentResponse,
+  context.assert(MODULE, '放舱船公司使用真实启用CARRIER往来单位', null,
     Boolean(shippingCarrier?.id && shippingCarrier?.carrierCode === 'MATSON'),
     `partnerId=${id(shippingCarrier?.id) || 'missing'}`, OPTIONS)
   if (!shippingCarrier?.id) return