fix(service): 仅返回活跃会话中的聊天角色列表

src/main/java/com/yolo/keyborad/service/impl/KeyboardAiChatMessageServiceImpl.java

@@ -79,14 +79,31 @@ public class KeyboardAiChatMessageServiceImpl extends ServiceImpl<KeyboardAiChat
 
     @Override
     public List<Long> getChattedCompanionIds(Long userId) {
-        // 使用原生SQL查询用户聊过天的所有角色ID，按最近聊天时间倒序
+        // 1. 查询用户所有活跃会话
+        LambdaQueryWrapper<KeyboardAiChatSession> sessionWrapper = new LambdaQueryWrapper<>();
+        sessionWrapper.eq(KeyboardAiChatSession::getUserId, userId)
+                .eq(KeyboardAiChatSession::getIsActive, true);
+        List<KeyboardAiChatSession> activeSessions = sessionService.list(sessionWrapper);
+
+        // 2. 如果没有活跃会话，返回空列表
+        if (activeSessions == null || activeSessions.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        // 3. 提取活跃会话的 sessionId 列表
+        List<Long> activeSessionIds = activeSessions.stream()
+                .map(KeyboardAiChatSession::getId)
+                .collect(java.util.stream.Collectors.toList());
+
+        // 4. 查询这些会话中的消息，获取 companionId，按最近聊天时间倒序
         LambdaQueryWrapper<KeyboardAiChatMessage> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(KeyboardAiChatMessage::getUserId, userId)
-                .select(KeyboardAiChatMessage::getCompanionId)
-                .groupBy(KeyboardAiChatMessage::getCompanionId)
-                .orderByDesc(KeyboardAiChatMessage::getCompanionId);
+                .in(KeyboardAiChatMessage::getSessionId, activeSessionIds)
+                .orderByDesc(KeyboardAiChatMessage::getCreatedAt);
 
         List<KeyboardAiChatMessage> messages = this.list(queryWrapper);
+
+        // 5. 去重并保持顺序（按最近聊天时间）
         return messages.stream()
                 .map(KeyboardAiChatMessage::getCompanionId)
                 .distinct()