diff --git a/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs b/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
index c302f57..95d41ef 100644
--- a/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
+++ b/shierfeng-fastapi-frontend/scripts/verify-business-contract.mjs
@@ -5,6 +5,7 @@ import { test } from 'node:test'
 import { fileURLToPath } from 'node:url'
 import path from 'node:path'
 import { promisify } from 'node:util'
+import * as vm from 'node:vm'
 import * as testBatchContext from '../src/utils/testBatchContext.js'
 
 const frontendRoot = fileURLToPath(new URL('..', import.meta.url))
@@ -778,6 +779,85 @@ function extractNamedFunction(source, functionName) {
   return source.slice(match.index, bodyEnd + 1)
 }
 
+function extractScriptSetup(source) {
+  const match = /<script\s+setup(?:\s+[^>]*)?>([\s\S]*?)<\/script>/.exec(source)
+  assert.ok(match, '缺少 script setup')
+  return match[1].replace(/^import\s+.*$/gm, '')
+}
+
+function createDeferred() {
+  let resolve
+  let reject
+  const promise = new Promise((resolvePromise, rejectPromise) => {
+    resolve = resolvePromise
+    reject = rejectPromise
+  })
+  return { promise, resolve, reject }
+}
+
+async function flushPromises() {
+  await Promise.resolve()
+  await Promise.resolve()
+  await Promise.resolve()
+  await Promise.resolve()
+}
+
+function createTestBatchPageHarness(pageSource, api = {}) {
+  const noopRequest = () => Promise.reject(new Error('未配置的测试请求'))
+  const ref = value => ({ value })
+  const context = vm.createContext({
+    Array,
+    Boolean,
+    Error,
+    JSON,
+    Number,
+    Object,
+    Promise,
+    Set,
+    String,
+    console,
+    ref,
+    reactive: value => value,
+    computed: getter => ({ get value() { return getter() } }),
+    getCurrentInstance: () => ({ proxy: { $modal: { confirm: () => Promise.resolve(), msgError: () => {}, msgSuccess: () => {} } } }),
+    onBeforeUnmount: () => {},
+    onMounted: () => {},
+    window: { innerWidth: 1280, addEventListener: () => {}, removeEventListener: () => {} },
+    useUserStore: () => ({ admin: true }),
+    useTestBatchStore: () => ({ currentBatchId: undefined, leaveTestMode: () => {}, refreshOptions: () => Promise.resolve() }),
+    addTestBatch: api.addTestBatch || noopRequest,
+    assignTestBatchUsers: api.assignTestBatchUsers || noopRequest,
+    closeTestBatch: api.closeTestBatch || noopRequest,
+    getTestBatch: api.getTestBatch || noopRequest,
+    listTestBatches: api.listTestBatches || noopRequest,
+    previewTestBatchPurge: api.previewTestBatchPurge || noopRequest,
+    purgeTestBatch: api.purgeTestBatch || noopRequest,
+    reopenTestBatch: api.reopenTestBatch || noopRequest,
+    updateTestBatch: api.updateTestBatch || noopRequest
+  })
+  const exposure = `
+    globalThis.__testBatchHarness = {
+      openAssign,
+      submitAssign,
+      getList,
+      hydrateParticipantCounts,
+      state: {
+        assignBatch,
+        assignError,
+        assignLoading,
+        assignVisible,
+        assignedUserIds,
+        batchList,
+        detailLoaded,
+        loadError,
+        loading
+      }
+    }
+  `
+  vm.runInContext(`${extractScriptSetup(pageSource)}\n${exposure}`, context, { filename: 'src/views/system/testBatch/index.vue' })
+  return context.__testBatchHarness
+}
+
 function extractPromiseCallback(functionSource, methodName, occurrence = 0) {
   const sanitized = sanitizeSource(functionSource, { allowTemplateInterpolation: true })
   const marker = `.${methodName}(`
@@ -2543,3 +2623,141 @@ test('测试批次授权、清理和对话框异步状态拒绝错误目标与
   assert.match(adoption, /max-height:\s*90vh/)
   assert.match(adoption, /overflow-y:\s*auto/)
 })
+
+test('测试批次管理页真实授权详情 success、failure 与 finally 不得覆盖新会话', async () => {
+  const management = await source('src/views/system/testBatch/index.vue')
+  const detailRequests = []
+  const page = createTestBatchPageHarness(management, {
+    getTestBatch: batchId => {
+      const request = createDeferred()
+      detailRequests.push({ batchId, request })
+      return request.promise
+    }
+  })
+
+  page.openAssign({ batchId: 1 })
+  page.openAssign({ batchId: 2 })
+  detailRequests[0].request.resolve({ data: { batchId: 1, batchName: '批次 A', userIds: [101] } })
+  await flushPromises()
+
+  assert.equal(page.state.assignBatch.value, null, '过期 success 不得写入新批次详情')
+  assert.equal(page.state.assignedUserIds.value, '', '过期 success 不得写入新批次用户')
+  assert.equal(page.state.detailLoaded.value, false, '过期 success 不得解锁保存')
+  assert.equal(page.state.assignLoading.value, true, '过期 finally 不得结束新会话 loading')
+
+  detailRequests[1].request.resolve({ data: { batchId: 2, batchName: '批次 B', userIds: [202] } })
+  await flushPromises()
+  assert.deepEqual(page.state.assignBatch.value, { batchId: 2, batchName: '批次 B', userIds: [202] })
+  assert.equal(page.state.assignedUserIds.value, '202')
+  assert.equal(page.state.detailLoaded.value, true)
+  assert.equal(page.state.assignLoading.value, false)
+
+  const failedRequests = []
+  const failedPage = createTestBatchPageHarness(management, {
+    getTestBatch: batchId => {
+      const request = createDeferred()
+      failedRequests.push({ batchId, request })
+      return request.promise
+    }
+  })
+  failedPage.openAssign({ batchId: 3 })
+  failedPage.openAssign({ batchId: 4 })
+  failedRequests[1].request.resolve({ data: { batchId: 4, batchName: '批次 B', userIds: [404] } })
+  await flushPromises()
+  failedRequests[0].request.reject(new Error('A 详情失败'))
+  await flushPromises()
+
+  assert.deepEqual(failedPage.state.assignBatch.value, { batchId: 4, batchName: '批次 B', userIds: [404] }, '过期 failure 不得清空已加载的新会话详情')
+  assert.equal(failedPage.state.assignedUserIds.value, '404', '过期 failure 不得改写新批次输入')
+  assert.equal(failedPage.state.detailLoaded.value, true)
+  assert.equal(failedPage.state.assignLoading.value, false)
+  assert.equal(failedPage.state.assignError.value, '', '过期 failure 不得展示旧批次错误')
+})
+
+test('测试批次管理页当前授权详情失败保持禁用并拒绝空数组提交', async () => {
+  const management = await source('src/views/system/testBatch/index.vue')
+  const detailRequest = createDeferred()
+  const assignments = []
+  const page = createTestBatchPageHarness(management, {
+    getTestBatch: () => detailRequest.promise,
+    assignTestBatchUsers: (batchId, payload) => {
+      assignments.push({ batchId, payload })
+      return Promise.resolve({ msg: '不应调用' })
+    }
+  })
+
+  page.openAssign({ batchId: 5 })
+  detailRequest.reject(new Error('详情失败'))
+  await flushPromises()
+
+  assert.equal(page.state.assignBatch.value, null)
+  assert.equal(page.state.assignedUserIds.value, '')
+  assert.equal(page.state.detailLoaded.value, false, '详情失败后不得解锁保存')
+  assert.equal(page.state.assignLoading.value, false)
+  assert.match(page.state.assignError.value, /详情加载失败/)
+  page.submitAssign()
+  assert.deepEqual(assignments, [], '详情未成功加载时不得提交移除全部用户的空数组')
+})
+
+test('测试批次管理页真实 hydration 拒绝旧版本回写并保留当前失败状态', async () => {
+  const management = await source('src/views/system/testBatch/index.vue')
+  const listRequests = []
+  const detailRequests = []
+  const page = createTestBatchPageHarness(management, {
+    listTestBatches: () => {
+      const request = createDeferred()
+      listRequests.push(request)
+      return request.promise
+    },
+    getTestBatch: batchId => {
+      const request = createDeferred()
+      detailRequests.push({ batchId, request })
+      return request.promise
+    }
+  })
+
+  page.getList()
+  listRequests[0].resolve({ rows: [{ batchId: 7, batchName: '旧列表' }], total: 1 })
+  await flushPromises()
+  page.getList()
+  listRequests[1].resolve({ rows: [{ batchId: 7, batchName: '新列表' }], total: 1 })
+  await flushPromises()
+  detailRequests[0].request.resolve({ data: { batchId: 7, userIds: [1, 2] } })
+  await flushPromises()
+
+  assert.equal(page.state.batchList.value[0].batchName, '新列表')
+  assert.equal(page.state.batchList.value[0].participantState, 'loading', '旧 success 不得写入新列表同 ID 行')
+  assert.equal(page.state.batchList.value[0].participantCount, undefined)
+
+  const failedListRequests = []
+  const failedDetailRequests = []
+  const failedPage = createTestBatchPageHarness(management, {
+    listTestBatches: () => {
+      const request = createDeferred()
+      failedListRequests.push(request)
+      return request.promise
+    },
+    getTestBatch: batchId => {
+      const request = createDeferred()
+      failedDetailRequests.push({ batchId, request })
+      return request.promise
+    }
+  })
+
+  failedPage.getList()
+  failedListRequests[0].resolve({ rows: [{ batchId: 8, batchName: '旧列表' }], total: 1 })
+  await flushPromises()
+  failedPage.getList()
+  failedListRequests[1].resolve({ rows: [{ batchId: 8, batchName: '新列表' }], total: 1 })
+  await flushPromises()
+  failedDetailRequests[0].request.reject(new Error('旧详情失败'))
+  await flushPromises()
+
+  assert.equal(failedPage.state.batchList.value[0].participantState, 'loading', '旧 failure 不得把新列表同 ID 行标为失败')
+  failedDetailRequests[1].request.reject(new Error('当前详情失败'))
+  await flushPromises()
+  assert.equal(failedPage.state.batchList.value.length, 1, '当前详情失败不得清空整个列表')
+  assert.equal(failedPage.state.batchList.value[0].participantState, 'error')
+  assert.equal(failedPage.state.batchList.value[0].participantCount, undefined)
+  assert.equal(failedPage.state.loadError.value, '', '当前详情失败必须是单项状态，不得升级为列表失败')
+})