[Mod 0000]修改AI助手胶囊中智能体轮次计算逻辑

src/views/ventAI/manageAssistent/components/chatModal/capsuleData.ts

@@ -78,11 +78,13 @@ export const buildCapsuleAgents = (messages: Message[], isAnswerVisible?: (index
   for (let i = 0; i < messages.length; i++) {
     const msg = messages[i];
     if (msg.type !== 'ai' || !msg.thinkingSteps?.length) continue;
-    // 该消息所属问答轮次：此前用户消息条数 + 1
-    let round = 1;
-    for (let j = 0; j < i; j++) {
+    // 该消息所属问答轮次：数到当前消息为止（含本轮提问）的用户消息条数，
+    // 无前置提问的 AI 消息兜底为第 1 轮
+    let round = 0;
+    for (let j = 0; j <= i; j++) {
       if (messages[j].type === 'user') round++;
     }
+    round = Math.max(1, round);
     for (const group of groupStepsByAgent(msg.thinkingSteps)) {
       const hasActivity = group.steps.some((s) => s.type !== 'token');
       if (!hasActivity) continue;