feat: expose knowledge type priority traces

ai_knowledge_base_v2/apps/admin-web/src/components/KnowledgeManagementView.vue

@@ -379,6 +379,15 @@ function typeLabel(value: string) {
   return knowledgeTypeOptions.find((item) => item.value === value)?.label || value;
 }
 
+function typeDescription(value: string) {
+  return ({
+    fixed: "固定信息类用于上课时间、带练安排、回放音频、课程作业、会议链接、服务权益、助理联系方式等当前安排；与其他库冲突时优先采用固定信息类。",
+    course: "课程知识库用于课程概念、功课步骤、老师观点和课程原文解释；优先级高于答疑和通用知识。",
+    qa: "答疑知识库用于参考过往问答和常见问题，但不能覆盖课程原文或固定信息类的当前安排。",
+    general: "通用知识库只做背景补充，不能覆盖课程知识、答疑知识或固定信息类。",
+  } as Record<string, string>)[value] || "用于补充背景信息。";
+}
+
 function contentItemTypeLabel(value: string) {
   return ({ section: "章节", card: "知识卡", chunk: "切片" } as Record<string, string>)[value] || value;
 }
@@ -552,6 +561,7 @@ async function confirmAction(
         <el-tab-pane label="基本信息" name="overview">
           <div class="knowledge-section-head"><h4>基本信息</h4><el-button type="primary" plain @click="openEdit">编辑基本信息</el-button></div>
           <dl class="knowledge-meta"><dt>后台名称</dt><dd>{{ detail.knowledge.name }}</dd><dt>知识库类型</dt><dd>{{ typeLabel(detail.knowledge.knowledgeType) }}</dd><dt>版本更新</dt><dd>同步成功后自动替换</dd><dt>SpaceID</dt><dd>{{ detail.knowledge.feishuSpaceId }}</dd><dt>NodeID</dt><dd>{{ detail.knowledge.feishuNodeId }}</dd><dt>当前版本</dt><dd>{{ detail.currentVersion ? `V${detail.currentVersion.versionNo}` : '暂无' }}</dd></dl>
+          <el-alert :title="typeDescription(detail.knowledge.knowledgeType)" type="info" :closable="false" show-icon />
           <section v-if="detail.manifest" class="manifest-panel"><h4>Knowledge Manifest</h4><p><strong>用途：</strong>{{ detail.manifest.purpose }}</p><p><strong>适用：</strong>{{ detail.manifest.applicableQuestions }}</p><p><strong>不适用：</strong>{{ detail.manifest.inapplicableQuestions }}</p><p><strong>核心主题：</strong>{{ detail.manifest.coreTopics }}</p><p><strong>边界：</strong>{{ detail.manifest.boundaries }}</p></section>
         </el-tab-pane>
         <el-tab-pane label="内容预览" name="content" lazy>