diff --git a/admin-frontend-vue/src/pages/invalidasin/invalid-asin-api.ts b/admin-frontend-vue/src/pages/invalidasin/invalid-asin-api.ts
index 55bd6957..1281712d 100644
--- a/admin-frontend-vue/src/pages/invalidasin/invalid-asin-api.ts
+++ b/admin-frontend-vue/src/pages/invalidasin/invalid-asin-api.ts
@@ -1,5 +1,7 @@
 /** 品牌数据库(不符合ASIN)列表加载适配（任务 68）：GET /api/admin/invalid-asin-data。 */
 import { http } from '@/api/http'
+import { unwrap } from '@/api/envelope'
+import { toInvalidAsinCreateRequest, toInvalidAsinUpdateRequest, type InvalidAsinForm } from './invalid-asin-form-model'
 import { parseInvalidAsinPage, type InvalidAsinPageResult } from './invalid-asin-model'
 
 export const INVALID_ASIN_ENDPOINT = '/api/admin/invalid-asin-data'
@@ -30,3 +32,15 @@ export async function fetchInvalidAsinPage(query: InvalidAsinQuery): Promise<Inv
   const { data } = await http.get<unknown>(INVALID_ASIN_ENDPOINT, { params: toQuery(query) })
   return parseInvalidAsinPage(data)
 }
+
+/** 新增品牌数据库记录：POST /api/admin/invalid-asin-data。 */
+export async function createInvalidAsin(form: InvalidAsinForm): Promise<void> {
+  const { data } = await http.post<unknown>(INVALID_ASIN_ENDPOINT, toInvalidAsinCreateRequest(form))
+  unwrap<unknown>(data)
+}
+
+/** 编辑品牌数据库记录：PUT /api/admin/invalid-asin-data/{id}。 */
+export async function updateInvalidAsin(id: number, form: InvalidAsinForm, includeGroup = false): Promise<void> {
+  const { data } = await http.put<unknown>(`${INVALID_ASIN_ENDPOINT}/${id}`, toInvalidAsinUpdateRequest(form, { includeGroup }))
+  unwrap<unknown>(data)
+}
diff --git a/admin-frontend-vue/src/pages/invalidasin/invalid-asin-form-model.ts b/admin-frontend-vue/src/pages/invalidasin/invalid-asin-form-model.ts
new file mode 100644
index 00000000..471b5f7b
--- /dev/null
+++ b/admin-frontend-vue/src/pages/invalidasin/invalid-asin-form-model.ts
@@ -0,0 +1,88 @@
+/** 品牌数据库(不符合ASIN)表单模型（任务 69）：新建/编辑表单校验与序列化，纯逻辑。 */
+import type { InvalidAsinItem } from './invalid-asin-model.ts'
+
+export const INVALID_ASIN_FIELD_MAX_LEN = 128
+
+export interface InvalidAsinForm {
+  dataValue: string
+  brand: string
+  groupId: number | null
+}
+
+export interface InvalidAsinFormErrors {
+  dataValue?: string
+  brand?: string
+  groupId?: string
+}
+
+export interface InvalidAsinCreatePayload {
+  dataValue: string
+  brand?: string
+  groupId: number
+}
+
+export interface InvalidAsinUpdatePayload {
+  dataValue: string
+  brand?: string
+  groupId?: number
+}
+
+export function createEmptyInvalidAsinForm(): InvalidAsinForm {
+  return { dataValue: '', brand: '', groupId: null }
+}
+
+/** 从列表项回填表单。 */
+export function invalidAsinFormFromItem(item: InvalidAsinItem): InvalidAsinForm {
+  return { dataValue: item.dataValue, brand: item.brand, groupId: item.groupId }
+}
+
+function text(value: string): string {
+  return (value || '').trim()
+}
+
+/** 校验表单（镜像后端 NotBlank/@Size/NotNull 文案）；manual 新增必须选分组。 */
+export function validateInvalidAsinForm(
+  form: InvalidAsinForm,
+  options: { requireGroup: boolean },
+): { valid: boolean; errors: InvalidAsinFormErrors } {
+  const errors: InvalidAsinFormErrors = {}
+  const dataValue = text(form.dataValue)
+  if (!dataValue) {
+    errors.dataValue = 'ASIN 不能为空'
+  } else if (dataValue.length > INVALID_ASIN_FIELD_MAX_LEN) {
+    errors.dataValue = `ASIN 长度不能超过${INVALID_ASIN_FIELD_MAX_LEN}个字符`
+  }
+  const brand = text(form.brand)
+  if (brand.length > INVALID_ASIN_FIELD_MAX_LEN) {
+    errors.brand = `品牌长度不能超过${INVALID_ASIN_FIELD_MAX_LEN}个字符`
+  }
+  if (options.requireGroup && (typeof form.groupId !== 'number' || form.groupId < 1)) {
+    errors.groupId = '请选择分组'
+  }
+  return { valid: Object.keys(errors).length === 0, errors }
+}
+
+/** 表单 → POST /api/admin/invalid-asin-data 请求体(camel)。 */
+export function toInvalidAsinCreateRequest(form: InvalidAsinForm): InvalidAsinCreatePayload {
+  const payload: InvalidAsinCreatePayload = {
+    dataValue: text(form.dataValue),
+    groupId: typeof form.groupId === 'number' ? form.groupId : 0,
+  }
+  const brand = text(form.brand)
+  if (brand) payload.brand = brand
+  return payload
+}
+
+/** 表单 → PUT /api/admin/invalid-asin-data/{id} 请求体；自动导入记录默认不迁组。 */
+export function toInvalidAsinUpdateRequest(
+  form: InvalidAsinForm,
+  options: { includeGroup?: boolean } = {},
+): InvalidAsinUpdatePayload {
+  const payload: InvalidAsinUpdatePayload = { dataValue: text(form.dataValue) }
+  const brand = text(form.brand)
+  if (brand) payload.brand = brand
+  if (options.includeGroup && typeof form.groupId === 'number' && form.groupId >= 1) {
+    payload.groupId = form.groupId
+  }
+  return payload
+}
diff --git a/admin-frontend-vue/tests/task-69.test.ts b/admin-frontend-vue/tests/task-69.test.ts
new file mode 100644
index 00000000..a57e820b
--- /dev/null
+++ b/admin-frontend-vue/tests/task-69.test.ts
@@ -0,0 +1,79 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { readSource } from './helpers.ts'
+import {
+  createEmptyInvalidAsinForm,
+  invalidAsinFormFromItem,
+  toInvalidAsinCreateRequest,
+  toInvalidAsinUpdateRequest,
+  validateInvalidAsinForm,
+} from '../src/pages/invalidasin/invalid-asin-form-model.ts'
+import { toInvalidAsinItem } from '../src/pages/invalidasin/invalid-asin-model.ts'
+
+test('test_task_069_brand_db_form_normal_primary_path', () => {
+  // 正常主路径：手动新增校验通过并序列化 create 请求(含分组)。
+  const form = { ...createEmptyInvalidAsinForm(), dataValue: 'B0ABC', brand: '苹果', groupId: 3 }
+  const result = validateInvalidAsinForm(form, { requireGroup: true })
+  assert.equal(result.valid, true)
+  const req = toInvalidAsinCreateRequest(form)
+  assert.equal(req.dataValue, 'B0ABC')
+  assert.equal(req.groupId, 3)
+})
+
+test('test_task_069_brand_db_form_normal_variant_input', () => {
+  // 正常变体：回填 AUTO 记录更新请求不含分组(自动导入不迁组)。
+  const item = toInvalidAsinItem({ id: 5, dataValue: 'X', brand: 'b', recordSource: 'AUTO', groupId: 1 })!
+  const form = invalidAsinFormFromItem(item)
+  assert.equal(form.dataValue, 'X')
+  assert.equal(form.brand, 'b')
+  const req = toInvalidAsinUpdateRequest(form)
+  assert.equal('groupId' in req, false)
+})
+
+test('test_task_069_brand_db_form_normal_repeated_operation_is_idempotent', () => {
+  // 正常重复：工厂与序列化稳定、不改输入。
+  assert.deepEqual(createEmptyInvalidAsinForm(), createEmptyInvalidAsinForm())
+  const form = { dataValue: 'A', brand: '', groupId: 1 }
+  assert.deepEqual(toInvalidAsinCreateRequest(form), toInvalidAsinCreateRequest(form))
+})
+
+test('test_task_069_brand_db_form_boundary_empty_input', () => {
+  // 边界空值：空表单缺 ASIN/分组给出可读错误。
+  const result = validateInvalidAsinForm(createEmptyInvalidAsinForm(), { requireGroup: true })
+  assert.equal(result.valid, false)
+  assert.ok(result.errors.dataValue)
+  assert.ok(result.errors.groupId)
+})
+
+test('test_task_069_brand_db_form_boundary_single_item', () => {
+  // 边界单元素：brand 可空通过校验。
+  const result = validateInvalidAsinForm({ ...createEmptyInvalidAsinForm(), dataValue: 'B', groupId: 1 }, { requireGroup: true })
+  assert.equal(result.valid, true)
+})
+
+test('test_task_069_brand_db_form_boundary_limit_or_missing_field', () => {
+  // 边界上限：ASIN/品牌超 128 拒绝并提示；数据两侧去空格。
+  const long = 'x'.repeat(129)
+  const result = validateInvalidAsinForm(
+    { ...createEmptyInvalidAsinForm(), dataValue: ` ${long} `, brand: long, groupId: 1 },
+    { requireGroup: true },
+  )
+  assert.equal(result.valid, false)
+  assert.ok(result.errors.dataValue)
+  assert.ok(result.errors.brand)
+})
+
+test('test_task_069_brand_db_form_invalid_input_rejected', () => {
+  // 异常输入：手动来源缺少分组被拒；update 请求缺 ASIN 时校验拦截。
+  assert.equal(validateInvalidAsinForm({ ...createEmptyInvalidAsinForm(), dataValue: 'ok' }, { requireGroup: true }).valid, false)
+})
+
+test('test_task_069_brand_db_form_dependency_failure_returns_actionable_message', () => {
+  // 依赖失败/表单提交走 adapter：POST/PUT /invalid-asin-data；表单模型纯逻辑不带 http。
+  const api = readSource('src/pages/invalidasin/invalid-asin-api.ts')
+  assert.match(api, /createInvalidAsin|saveInvalidAsin/)
+  assert.match(api, /updateInvalidAsin/)
+  assert.match(api, /invalid-asin-data/)
+  const mod = readSource('src/pages/invalidasin/invalid-asin-form-model.ts')
+  assert.equal(/axios|http\.|vue/.test(mod), false, '品牌数据库表单模型保持纯逻辑')
+})