From e510393eb8539b0e9c498439587772555b2e73e4 Mon Sep 17 00:00:00 2001
From: selfrelease <freedak.ipad@gmail.com>
Date: Mon, 31 Aug 2026 17:20:50 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=8D=A2=E4=B8=80=E6=89=B9=E6=94=B9?=
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---
 web2/src/components/common/ChatPanel.tsx | 27 ++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/web2/src/components/common/ChatPanel.tsx b/web2/src/components/common/ChatPanel.tsx
index 23e0562..f11b16f 100644
--- a/web2/src/components/common/ChatPanel.tsx
+++ b/web2/src/components/common/ChatPanel.tsx
@@ -285,6 +285,10 @@ export function ChatPanel({
   const [loading, setLoading] = useState(false)
   const [dynamicSamples, setDynamicSamples] = useState<string[]>(samples)
   const [refreshing, setRefreshing] = useState(false)
+  /** 当天热点问题池(从后端加载的全部问题)和当前批次起始索引 */
+  const [dailyPool, setDailyPool] = useState<string[]>([])
+  const [poolIndex, setPoolIndex] = useState(0)
+  const BATCH_SIZE = 12
 
   // ===== 2.0 新增:案卡状态 =====
   const [matterId, setMatterId] = useState<number | null>(null)
@@ -402,12 +406,14 @@ export function ChatPanel({
     setDynamicSamples(samples)
   }, [samples])
 
-  /** 挂载时取当天热点问题,有则覆盖兜底示例 */
+  /** 挂载时取当天热点问题,有则存入池并显示首批 */
   useEffect(() => {
     api.getDailyTopics(scene)
       .then((res) => {
         if (res.questions?.length > 0) {
-          setDynamicSamples(res.questions)
+          setDailyPool(res.questions)
+          setPoolIndex(0)
+          setDynamicSamples(res.questions.slice(0, BATCH_SIZE))
         }
       })
       .catch(() => {/* 用兜底示例 */})
@@ -545,13 +551,26 @@ export function ChatPanel({
     }, answers.length > 0 ? answers : undefined)
   }
 
-  /** AI 换一批示例问题(注入用户画像,个性化推荐) */
+  /** 换一批:优先从当天热点池轮换,池用完再调 AI 生成(注入用户画像) */
   const handleRefreshSamples = async () => {
+    // 池里还有未展示的,直接取下一批
+    const nextIndex = poolIndex + BATCH_SIZE
+    if (dailyPool.length > 0 && nextIndex < dailyPool.length) {
+      setPoolIndex(nextIndex)
+      setDynamicSamples(dailyPool.slice(nextIndex, nextIndex + BATCH_SIZE))
+      return
+    }
+    // 池用完,调 AI 生成新问题
     setRefreshing(true)
     try {
       const phone = getPhone() || undefined
       const res = await api.generateSamples(scene, topic, dynamicSamples, phone)
-      setDynamicSamples(res.samples)
+      if (res.samples?.length > 0) {
+        setDynamicSamples(res.samples)
+        // AI 生成的新问题加入池,重置索引
+        setDailyPool(prev => [...prev, ...res.samples])
+        setPoolIndex(dailyPool.length)
+      }
     } catch {
       toast.error('换一批失败,请稍后重试')
     } finally {