fix(worker): 验收重复提交幂等，修复卡待验收与手动验收 500

apps/frontend/tests/worker-acceptance-submit-guard.test.ts

@@ -0,0 +1,25 @@
+import assert from 'node:assert/strict'
+import { readFile } from 'node:fs/promises'
+import test from 'node:test'
+
+/**
+ * 2026-10-30 生产事故：提交验收按钮没有在途锁，双击会发两个请求；第二个请求
+ * 把已验收的工单写回待验收并触发重复结算。按钮必须在请求结束前保持 loading/禁用。
+ */
+test('打手端验收提交按钮有在途锁，双击只会发一个请求', async () => {
+  const source = await readFile(
+    new URL('../src/pages/worker/WorkerOrderModals.tsx', import.meta.url),
+    'utf8',
+  )
+
+  assert.ok(source.includes('acceptanceBusyRef'), '缺少同步在途锁 ref')
+  assert.ok(source.includes('runAcceptanceAction'), '缺少统一的验收动作包装')
+  assert.ok(
+    (source.match(/loading={acceptanceBusy}/g) || []).length >= 2,
+    '提交验收/补充图片按钮都应显示 loading',
+  )
+  assert.ok(
+    source.includes('onFinish={(values) => runAcceptanceAction(() => onSubmitAcceptance(values))}'),
+    '表单提交也必须走在途锁',
+  )
+})