fix(c2): 调单确认按钮补 order:reassign 权限指令

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/ltc/schedule/index.vue

@@ -64,7 +64,7 @@
       </el-form>
       <template #footer>
         <el-button @click="reassignVisible = false">取消</el-button>
-        <el-button type="primary" :loading="reassigning" @click="confirmReassign">确认调单</el-button>
+        <el-button type="primary" v-permission="'order:reassign'" :loading="reassigning" @click="confirmReassign">确认调单</el-button>
       </template>
     </el-dialog>