feat(xispeak): 牵头部门筛选支持多选，FIND_IN_SET AND 逻辑

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/views/bg/xispeak/BgXiSpeakList.vue

@@ -11,7 +11,7 @@
           </a-col>
           <a-col :lg="6" :md="8" :sm="12">
             <a-form-item label="牵头部门" name="implDept">
-              <SzSelectDept v-model:value="queryParam.implDept" placeholder="选择牵头部门" allow-clear style="width: 100%" @change="searchQuery" />
+              <SzSelectDept v-model:value="selectedImplDept" :multiple="true" placeholder="选择牵头部门" allow-clear style="width: 100%" @change="handleImplDeptChange" />
             </a-form-item>
           </a-col>
           <a-col :lg="6" :md="8" :sm="12">
@@ -181,6 +181,7 @@ import { PARTY_COMMITTEE_DEPT_ID, SDW_LEADER_ROLE_ID } from '/@/constant/supervi
   const feedbackRightNowModalRef = ref();
   const businessProcessListModalRef = ref();
   const bpmStatusFilter = ref();
+  const selectedImplDept = ref([]);
   const currentBusinessId = ref('');
   const pendingFeedbackRightNow = ref(0);
   const statsData = reactive({ notStarted: 0, inProgress: 0, overdue: 0, completed: 0 });
@@ -895,10 +896,20 @@ import { PARTY_COMMITTEE_DEPT_ID, SDW_LEADER_ROLE_ID } from '/@/constant/supervi
     formRef.value?.resetFields();
     clearQueryParams();
     bpmStatusFilter.value = undefined;
+    selectedImplDept.value = [];
     selectedRowKeys.value = [];
     reload({ page: 1 });
   }
 
+  function handleImplDeptChange(values) {
+    if (values && values.length > 0) {
+      queryParam.value.implDept = values.join(',');
+    } else {
+      delete queryParam.value.implDept;
+    }
+    reload({ page: 1 });
+  }
+
   function handleBpmStatusChange(value) {
     if (value != null) {
       queryParam.value.bpmStatus = value;