点“关闭任务”，就会达到你要的效果：链接失效，预占释放。

apps/backend/src/services/admin/admin-write-service.js

@@ -22,6 +22,7 @@ import { confirmClaimRoleForAdminTask, redeemClaimTaskForAdminTask } from '../cl
 import { reserveInventoryForTask } from '../order/inventory-service.js'
 import { replayAgisoTradeWebhookEvent } from '../order/webhook-service.js'
 import { ensureAgisoXianyuAutoDeliveryForDeliveredTask } from '../platforms/agiso/xianyu/auto-delivery-service.js'
+import { closeTencentBrowserSession } from '../session/session.js'
 import { createHttpError } from '../../utils/http.js'
 import { nowIso } from '../../utils/time.js'
 import {
@@ -394,7 +395,25 @@ export async function redeemAdminTaskAssisted(taskId, session = null) {
 /** @returns {Promise<AdminTaskActionResponse>} */
 /** @param {AdminEntityIdInput} taskId */
 export async function closeAdminTask(taskId) {
-  const task = await getRequiredTask(taskId)
+  return closeAdminTaskWithDeps(taskId)
+}
+
+/** @returns {Promise<AdminTaskActionResponse>} */
+/** @param {AdminEntityIdInput} taskId */
+export async function closeAdminTaskWithDeps(
+  taskId,
+  {
+    getRequiredTask: getTask = getRequiredTask,
+    listTaskInventoryBindingsByTaskId: listBindings = listTaskInventoryBindingsByTaskId,
+    releaseReservedInventoryItem: releaseReserved = releaseReservedInventoryItem,
+    updateClaimToken: updateToken = updateClaimToken,
+    updateTask: updateTaskRecord = updateTask,
+    createTaskEvent: createEvent = createTaskEvent,
+    closeTencentBrowserSession: closeSession = closeTencentBrowserSession,
+    nowIso: getNowIso = nowIso,
+  } = {},
+) {
+  const task = await getTask(taskId)
 
   if (task.task_status === 'redeemed') {
     throw createHttpError('已兑换任务不能关闭', {
@@ -403,13 +422,63 @@ export async function closeAdminTask(taskId) {
     })
   }
 
-  const updatedTask = await updateTask(task.id, {
+  const now = getNowIso()
+  const bindings = await listBindings(task.id)
+  const reservedBindings = bindings.filter((binding) => String(binding.binding_status || '').trim() === 'reserved')
+  const releasedInventoryItemIds = Array.from(new Set(reservedBindings.map((binding) => Number(binding.inventory_item_id)).filter((id) => id > 0)))
+  const hasConsumedBindings = bindings.some((binding) => String(binding.binding_status || '').trim() === 'consumed')
+  const primaryClaimTokenId = getTaskPrimaryClaimTokenId(task)
+  let browserSessionClosed = false
+
+  if (primaryClaimTokenId) {
+    await updateToken(primaryClaimTokenId, {
+      status: 'revoked',
+      expired_at: now,
+      updated_at: now,
+    })
+  }
+
+  if (task.browser_session_id) {
+    try {
+      await closeSession(task.browser_session_id)
+      browserSessionClosed = true
+    } catch (error) {
+      if (!isRecoverableTaskSessionCloseError(error)) {
+        throw error
+      }
+    }
+  }
+
+  for (const inventoryItemId of releasedInventoryItemIds) {
+    await releaseReserved(inventoryItemId, now)
+  }
+
+  const closeReasonParts = ['已手动关闭任务']
+  if (primaryClaimTokenId) {
+    closeReasonParts.push('领取链接已失效')
+  }
+  if (releasedInventoryItemIds.length > 0) {
+    closeReasonParts.push('预占库存已释放')
+  }
+
+  const updatedTask = await updateTaskRecord(task.id, {
     task_status: 'closed',
+    inventory_status: hasConsumedBindings ? 'consumed' : 'pending',
     delivery_status: 'closed',
-    last_error: task.last_error || '已手动关闭任务',
-    updated_at: nowIso(),
+    user_action_status: 'closed',
+    claim_expires_at: primaryClaimTokenId ? now : task.claim_expires_at,
+    browser_session_id: '',
+    last_error: task.last_error || closeReasonParts.join('，'),
+    updated_at: now,
   })
 
+  await createEvent(task.id, 'task_closed', {
+    claimTokenRevoked: Boolean(primaryClaimTokenId),
+    releasedInventoryItemIds,
+    releasedInventoryCount: releasedInventoryItemIds.length,
+    browserSessionClosed,
+  }, now)
+
   return {
     task: mapTaskActionPayload(updatedTask),
   }
@@ -697,6 +766,11 @@ function ensureViewerCanOperateAssistedTask(task, viewerContext, action) {
   }
 }
 
+function isRecoverableTaskSessionCloseError(error) {
+  const errorCode = String(error?.errorCode || error?.code || '').trim()
+  return errorCode === 'session_not_found' || errorCode === 'session_closed'
+}
+
 function normalizeManualDispatchOutcome(value) {
   const normalized = String(value || '').trim().toLowerCase()
 

apps/backend/src/services/admin/admin-write-service.test.js

@@ -0,0 +1,105 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+
+import { closeAdminTaskWithDeps } from './admin-write-service.js'
+
+test('closeAdminTaskWithDeps revokes claim link, releases reserved inventory, and closes browser session', async () => {
+  const calls = {
+    updateToken: [],
+    releaseReserved: [],
+    closeSession: [],
+    updateTask: [],
+    createEvent: [],
+  }
+  const task = {
+    id: 30,
+    task_status: 'link_generated',
+    delivery_status: 'pending',
+    inventory_status: 'reserved',
+    user_action_status: 'pending_claim',
+    browser_session_id: 'browser-session-30',
+    primary_claim_token_id: 9,
+    claim_expires_at: '2026-04-15T10:00:00.000Z',
+    last_error: '',
+    updated_at: '2026-04-14T10:00:00.000Z',
+  }
+  const now = '2026-04-14T10:16:18.000Z'
+
+  const result = await closeAdminTaskWithDeps(task.id, {
+    getRequiredTask: async () => task,
+    listTaskInventoryBindingsByTaskId: async () => ([
+      { inventory_item_id: 17, binding_status: 'reserved' },
+      { inventory_item_id: 18, binding_status: 'released' },
+      { inventory_item_id: 17, binding_status: 'reserved' },
+    ]),
+    releaseReservedInventoryItem: async (inventoryItemId, updatedAt) => {
+      calls.releaseReserved.push({ inventoryItemId, updatedAt })
+      return { id: inventoryItemId }
+    },
+    updateClaimToken: async (tokenId, patch) => {
+      calls.updateToken.push({ tokenId, patch })
+      return { id: tokenId, ...patch }
+    },
+    closeTencentBrowserSession: async (sessionId) => {
+      calls.closeSession.push(sessionId)
+      return { sessionId, closed: true }
+    },
+    updateTask: async (taskId, patch) => {
+      calls.updateTask.push({ taskId, patch })
+      return { ...task, ...patch }
+    },
+    createTaskEvent: async (taskId, eventType, payload, createdAt) => {
+      calls.createEvent.push({ taskId, eventType, payload, createdAt })
+      return null
+    },
+    nowIso: () => now,
+  })
+
+  assert.equal(calls.updateToken.length, 1)
+  assert.deepEqual(calls.updateToken[0], {
+    tokenId: 9,
+    patch: {
+      status: 'revoked',
+      expired_at: now,
+      updated_at: now,
+    },
+  })
+  assert.deepEqual(calls.releaseReserved, [
+    { inventoryItemId: 17, updatedAt: now },
+  ])
+  assert.deepEqual(calls.closeSession, ['browser-session-30'])
+  assert.equal(calls.updateTask.length, 1)
+  assert.equal(calls.updateTask[0].patch.task_status, 'closed')
+  assert.equal(calls.updateTask[0].patch.delivery_status, 'closed')
+  assert.equal(calls.updateTask[0].patch.inventory_status, 'pending')
+  assert.equal(calls.updateTask[0].patch.user_action_status, 'closed')
+  assert.equal(calls.updateTask[0].patch.browser_session_id, '')
+  assert.equal(calls.updateTask[0].patch.claim_expires_at, now)
+  assert.match(calls.updateTask[0].patch.last_error, /领取链接已失效/)
+  assert.match(calls.updateTask[0].patch.last_error, /预占库存已释放/)
+  assert.equal(calls.createEvent.length, 1)
+  assert.deepEqual(calls.createEvent[0], {
+    taskId: 30,
+    eventType: 'task_closed',
+    payload: {
+      claimTokenRevoked: true,
+      releasedInventoryItemIds: [17],
+      releasedInventoryCount: 1,
+      browserSessionClosed: true,
+    },
+    createdAt: now,
+  })
+  assert.equal(result.task.status, 'closed')
+})
+
+test('closeAdminTaskWithDeps rejects redeemed tasks', async () => {
+  await assert.rejects(
+    () => closeAdminTaskWithDeps(99, {
+      getRequiredTask: async () => ({
+        id: 99,
+        task_status: 'redeemed',
+      }),
+    }),
+    /已兑换任务不能关闭/,
+  )
+})