支持领取链接长期有效

apps/backend/src/config/defaults.ts

@@ -36,7 +36,8 @@ export function createDefaultRuntimeConfig(projectRoot: string): RuntimeConfig {
 
     orders: {
       claimBaseUrl: 'http://127.0.0.1:5173/#/claim',
-      tokenTtlHours: 24,
+      // 0 表示长期有效；后台手动关闭任务后领取链接仍会立即失效。
+      tokenTtlHours: 0,
     },
 
     admin: {

apps/backend/src/config/env-overrides.test.ts

@@ -42,6 +42,14 @@ test('applyEnvOverrides derives claim base url from app base url when explicit c
   assert.equal(config.orders.claimBaseUrl, 'https://example.test/#/claim')
 })
 
+test('CLAIM_TOKEN_TTL_HOURS=0 表示领取链接长期有效', () => {
+  const config = applyEnvOverrides(createRuntimeConfig(), {
+    CLAIM_TOKEN_TTL_HOURS: '0',
+  })
+
+  assert.equal(config.orders.tokenTtlHours, 0)
+})
+
 test('applyEnvOverrides prefers explicit claim base url over app base url', () => {
   const config = applyEnvOverrides(createRuntimeConfig(), {
     APP_BASE_URL: 'https://example.test',

apps/backend/src/config/runtime-validation.test.ts

@@ -88,7 +88,7 @@ test('validateRuntimeConfig catches invalid numeric and url values', () => {
       },
       orders: {
         claimBaseUrl: 'not-a-url',
-        tokenTtlHours: 0,
+        tokenTtlHours: -1,
       },
     }),
     {
@@ -102,6 +102,19 @@ test('validateRuntimeConfig catches invalid numeric and url values', () => {
   )
 })
 
+test('validateRuntimeConfig accepts zero claim token TTL for permanent links', () => {
+  const issues = validateRuntimeConfig(
+    createRuntimeConfig({
+      orders: {
+        tokenTtlHours: 0,
+      },
+    }),
+    { env: { NODE_ENV: 'development' } },
+  )
+
+  assert.deepEqual(issues, [])
+})
+
 test('assertRuntimeConfigValid throws a readable validation error', () => {
   assert.throws(
     () => {

apps/backend/src/config/runtime-validation.ts

@@ -49,7 +49,7 @@ export function validateRuntimeConfig(
     min: 1,
     max: 100,
   })
-  requireInteger(issues, 'orders.tokenTtlHours', config.orders?.tokenTtlHours, { min: 1 })
+  requireInteger(issues, 'orders.tokenTtlHours', config.orders?.tokenTtlHours, { min: 0 })
   requireInteger(issues, 'admin.sessionTtlHours', config.admin?.sessionTtlHours, { min: 1 })
   requireInteger(
     issues,

apps/backend/src/db/migrations/015_allow_permanent_claim_tokens.sql

@@ -0,0 +1,4 @@
+-- 领取链接支持长期有效：expired_at 为 NULL 表示仅能由后台手动关闭。
+-- 不回填已有令牌，历史限时链接仍按其原过期时间执行。
+ALTER TABLE claim_tokens
+  ALTER COLUMN expired_at DROP NOT NULL;

apps/backend/src/repositories/claim-token-repo.ts

@@ -6,7 +6,7 @@ type ClaimTokenRow = {
   task_id: number
   token: string
   status: string
-  expired_at: string
+  expired_at: string | null
   used_at: string | null
   max_use_count: number
   used_count: number
@@ -18,7 +18,7 @@ type ClaimTokenCreateInput = {
   taskId: number
   token: string
   status: string
-  expiredAt: string
+  expiredAt: string | null
   usedAt?: string | null
   maxUseCount: number
   usedCount: number

apps/backend/src/services/claim/claim-service.test.ts

@@ -0,0 +1,15 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { resolveClaimTokenExpiration } from './claim-service.js'
+
+test('领取链接默认可配置为长期有效', () => {
+  assert.equal(resolveClaimTokenExpiration('2026-08-11T08:00:00.000Z', 0), null)
+})
+
+test('领取链接保留正整数小时的限时配置能力', () => {
+  assert.equal(
+    resolveClaimTokenExpiration('2026-08-11T08:00:00.000Z', 24),
+    '2026-08-12T08:00:00.000Z',
+  )
+})

apps/backend/src/services/claim/claim-service.ts

@@ -10,7 +10,7 @@ type TaskClaimToken = NonNullable<Awaited<ReturnType<typeof createClaimToken>>>
 
 export async function createTaskClaimToken(taskId: number | string): Promise<TaskClaimToken> {
   const createdAt = nowIso()
-  const expiredAt = addHours(createdAt, Number(runtimeConfig.orders.tokenTtlHours || 24))
+  const expiredAt = resolveClaimTokenExpiration(createdAt, runtimeConfig.orders.tokenTtlHours)
   const token = await createClaimToken({
     taskId: Number(taskId),
     token: randomToken(24),
@@ -36,6 +36,17 @@ export async function createTaskClaimToken(taskId: number | string): Promise<Tas
   }
 }
 
+/** 0 表示长期有效；正整数保留为可选的限时领取策略。 */
+export function resolveClaimTokenExpiration(
+  createdAt: string,
+  tokenTtlHours: unknown,
+): string | null {
+  const ttlHours = Number(tokenTtlHours)
+  return Number.isFinite(ttlHours) && ttlHours > 0
+    ? addHours(createdAt, ttlHours)
+    : null
+}
+
 export function buildClaimUrl(token: string): string {
   const baseUrl = String(runtimeConfig.orders.claimBaseUrl || '').trim()
   return baseUrl ? `${baseUrl.replace(/\/+$/, '')}/${token}` : token

apps/backend/src/services/fulfillment/executors/types.ts

@@ -21,7 +21,7 @@ export type FulfillmentPrepareDeps = {
   updateTask: (taskId: number | string, patch: TaskUpdatePatch) => Promise<TaskRow | null>
   createTaskClaimToken: (taskId: number | string) => Promise<{
     token: string
-    expired_at: string
+    expired_at: string | null
     [key: string]: unknown
   }>
   notifyTaskAutoManualReview: (payload: {

apps/backend/src/types/repository/rows.ts

@@ -92,7 +92,7 @@ export type ClaimTokenRow = {
   id: number
   token: string
   status: string
-  expired_at: string
+  expired_at: string | null
   created_at?: string
   updated_at?: string
 }