fix(worker): 整单指派拼单订单无法验收

- 前端：拼单订单整单指派给本人时放行验收
- 后端：整单指派清掉 sharing_enabled；已有有效份额则拒绝

apps/frontend/tests/worker-order-acceptance.test.ts

@@ -0,0 +1,76 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import { shouldBlockAcceptanceForMissingShares } from '../src/utils/worker-order-acceptance.ts'
+
+test('拼单缺份额：整单指派给当前打手时放行', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 0,
+      sharingEnabled: true,
+      assignedWorkerId: 1013,
+      currentWorkerId: 1013,
+    }),
+    false,
+  )
+})
+
+test('拼单缺份额：指派给其他打手时拦截', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 0,
+      sharingEnabled: true,
+      assignedWorkerId: 999,
+      currentWorkerId: 1013,
+    }),
+    true,
+  )
+})
+
+test('拼单缺份额：没有接单人时拦截', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 0,
+      sharingEnabled: true,
+      assignedWorkerId: null,
+      currentWorkerId: 1013,
+    }),
+    true,
+  )
+})
+
+test('有份额时按正常份额流程处理，不拦截', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 1,
+      sharingEnabled: true,
+      assignedWorkerId: 1013,
+      currentWorkerId: 1013,
+    }),
+    false,
+  )
+})
+
+test('非拼单整单没有份额，不拦截', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 0,
+      sharingEnabled: false,
+      assignedWorkerId: 1013,
+      currentWorkerId: 1013,
+    }),
+    false,
+  )
+})
+
+test('本地取不到当前打手 ID 时保持旧行为（拦截）', () => {
+  assert.equal(
+    shouldBlockAcceptanceForMissingShares({
+      shareCount: 0,
+      sharingEnabled: true,
+      assignedWorkerId: 1013,
+      currentWorkerId: 0,
+    }),
+    true,
+  )
+})