fix(frontend): load persisted case records

frontend/src/views/knowledge/cases.vue

@@ -87,17 +87,48 @@
         <el-table-column prop="time" label="时间" width="130" />
         <el-table-column prop="owner" label="负责人" width="120" />
         <el-table-column prop="summary" label="摘要" min-width="300" />
+        <el-table-column label="操作" width="90" fixed="right">
+          <template #default="{ row }">
+            <el-button link type="danger" :disabled="!row.caseId" @click="openCaseDetail(row)">详情</el-button>
+          </template>
+        </el-table-column>
       </el-table>
     </section>
+
+    <el-dialog v-model="detailVisible" title="案例详情" width="720px">
+      <template v-if="caseDetail">
+        <div class="detail-meta">{{ caseDetail.time }} · {{ caseDetail.owner }} · {{ caseDetail.status }} · {{ caseDetail.fileName }}</div>
+        <div class="detail-block">
+          <strong>原始转写</strong>
+          <p>{{ caseDetail.transcript || '暂无转写内容' }}</p>
+        </div>
+        <div class="detail-block">
+          <strong>案例摘要</strong>
+          <p>{{ caseDetail.summary || '暂无案例摘要' }}</p>
+        </div>
+        <el-alert title="当前版本提供转写、摘要和状态详情；视频样片、学习点与主管点评待正式媒体和业务字段接入。" type="info" :closable="false" />
+      </template>
+      <el-empty v-else description="暂无详情" />
+    </el-dialog>
   </div>
 </template>
 
 <script setup name="KnowledgeCases" lang="ts">
 import { DocumentChecked, FolderChecked, Microphone, Tickets } from '@element-plus/icons-vue';
 import { ElMessage } from 'element-plus';
-import { computed, ref } from 'vue';
+import { computed, onMounted, ref } from 'vue';
 import { useRouter } from 'vue-router';
-import { curateKnowledgeCase, organizeKnowledgeCase, uploadCaseAudio, type CaseRecord, type CaseSummaryItem, type CaseTag } from '@/api/aihr/case';
+import {
+  curateKnowledgeCase,
+  getCaseDetail,
+  getCaseRecords,
+  organizeKnowledgeCase,
+  uploadCaseAudio,
+  type CaseDetailResponse,
+  type CaseRecord,
+  type CaseSummaryItem,
+  type CaseTag
+} from '@/api/aihr/case';
 
 const router = useRouter();
 
@@ -114,6 +145,9 @@ const apiSummary = ref<CaseSummaryItem[]>([]);
 const apiTags = ref<CaseTag[]>([]);
 const apiRecord = ref<CaseRecord | null>(null);
 const apiSampleHint = ref('');
+const recordsLoading = ref(false);
+const detailVisible = ref(false);
+const caseDetail = ref<CaseDetailResponse | null>(null);
 
 const displayFileName = computed(() => apiFileName.value || '未选择文件');
 const displayTranscript = computed(() => apiTranscript.value || '暂无转写结果');
@@ -170,6 +204,7 @@ const pipeline = computed(() => [
 
 const baseRecords = [
   {
+    caseId: '',
     title: '车库积水投诉处理',
     type: '投诉处理',
     status: '已入库',
@@ -178,6 +213,7 @@ const baseRecords = [
     summary: '确认车位、派工排水、群内同步进度，业主确认问题解决。'
   },
   {
+    caseId: '',
     title: '催缴沟通争议化解',
     type: '催缴沟通',
     status: '待审核',
@@ -186,6 +222,7 @@ const baseRecords = [
     summary: '业主质疑服务质量，管家先回应服务问题再说明缴费安排。'
   },
   {
+    caseId: '',
     title: '夜间噪音投诉跟进',
     type: '邻里纠纷',
     status: '整理中',
@@ -197,6 +234,30 @@ const baseRecords = [
 
 const records = ref([...baseRecords]);
 
+async function loadCaseRecords() {
+  recordsLoading.value = true;
+  try {
+    const { data } = await getCaseRecords();
+    records.value = data ?? [];
+  } catch {
+    records.value = [...baseRecords];
+    ElMessage.warning('案例列表接口暂不可用，当前展示演示记录');
+  } finally {
+    recordsLoading.value = false;
+  }
+}
+
+async function openCaseDetail(record: CaseRecord) {
+  if (!record.caseId) return;
+  try {
+    const { data } = await getCaseDetail(record.caseId);
+    caseDetail.value = data;
+    detailVisible.value = true;
+  } catch {
+    ElMessage.error('案例详情加载失败');
+  }
+}
+
 async function handleAudioPicked(event: Event) {
   const input = event.target as HTMLInputElement;
   const file = input.files?.[0];
@@ -281,6 +342,7 @@ async function storeCase() {
     if (apiRecord.value && !records.value.some((item) => item.title === apiRecord.value?.title)) {
       records.value.unshift(apiRecord.value);
     }
+    await loadCaseRecords();
     ElMessage.success('案例已由后端 API 入库，可用于训练复用');
   } catch {
     apiMode.value = 'error';
@@ -289,6 +351,10 @@ async function storeCase() {
     ElMessage.error('后端案例入库 API 不可用');
   }
 }
+
+onMounted(() => {
+  void loadCaseRecords();
+});
 </script>
 
 <style lang="scss" scoped>
@@ -524,6 +590,30 @@ async function storeCase() {
   }
 }
 
+.detail-meta {
+  margin-bottom: 16px;
+  color: #657184;
+  font-size: 13px;
+}
+
+.detail-block {
+  margin-bottom: 16px;
+  padding: 14px;
+  border-radius: 10px;
+  background: #f7f8fb;
+
+  strong {
+    color: #162033;
+  }
+
+  p {
+    margin: 8px 0 0;
+    color: #445064;
+    line-height: 1.65;
+    white-space: pre-wrap;
+  }
+}
+
 .record-table {
   border: 1px solid #edf0f5;
   border-radius: 8px;