fix(knowledge): bind summary cards to cited evidence

mobile-uni/src/pages/user/sop/index.vue

@@ -161,7 +161,7 @@
                   <button v-if="msg.result.snippets?.length" class="bubble-action" @click="msg.citationsOpen = !msg.citationsOpen">
                     引用 {{ msg.result.snippets.length }} 条 {{ msg.citationsOpen ? '▲' : '▼' }}
                   </button>
-                  <button v-if="msg.result.agentIntent === 'KNOWLEDGE_QA' && !broadcastContext" class="bubble-action" :disabled="summaryLoading" @click="buildSummaryCard(msg)">
+                  <button v-if="msg.result.agentIntent === 'KNOWLEDGE_QA' && summaryFragmentIds(msg).length && !broadcastContext" class="bubble-action" :disabled="summaryLoading" @click="buildSummaryCard(msg)">
                     {{ summaryLoading ? '生成中' : '总结卡' }}
                   </button>
                   <button v-if="msg.result.noEvidence && msg.result.agentIntent === 'KNOWLEDGE_QA' && !broadcastContext" class="bubble-action primary" @click="openWebAi">去查全网</button>
@@ -1332,11 +1332,15 @@ const buildSummaryCard = async (msg: MasterMsg) => {
   }
   if (summaryLoading.value) return;
   const value = (msg.result.queryText || '').trim();
-  if (!value) return;
+  const fragmentIds = summaryFragmentIds(msg);
+  if (!value || !fragmentIds.length) {
+    pushSystem('当前回答没有可用于总结卡的引用片段，请重新提问');
+    return;
+  }
   summaryLoading.value = true;
   summaryCard.value = null;
   try {
-    summaryCard.value = await generateSummaryCard(value);
+    summaryCard.value = await generateSummaryCard({ queryText: value, fragmentIds });
   } catch (error) {
     pushSystem(requestErrorText(error, '总结卡生成失败'));
   } finally {
@@ -1344,6 +1348,13 @@ const buildSummaryCard = async (msg: MasterMsg) => {
   }
 };
 
+const summaryFragmentIds = (msg: MasterMsg) => Array.from(new Set(
+  (msg.result.snippets || [])
+    .filter((item) => !item.sourceType || item.sourceType === 'DOCUMENT')
+    .map((item) => item.fragmentId)
+    .filter((id): id is number => typeof id === 'number' && Number.isSafeInteger(id) && id > 0)
+)).slice(0, 5);
+
 const closeSummary = () => {
   if (speechState.value.key === 'summary') speechPlayback.stop();
   summaryCard.value = null;