feat: revamp contacts chat workspace

db/message_storage.py

@@ -202,6 +202,36 @@ class MessageStorageDB(BaseDBOperator):
         """
         return self.execute_query(sql, (target_date, group_id, limit)) or []
 
+    def get_recent_group_chat_messages(self, group_id: str, limit: int = 20) -> List[Dict]:
+        """获取群聊最近消息"""
+        sql = """
+        SELECT timestamp, sender, content, message_type, attachment_url, message_id, message_xml, message_thumb, image_path
+        FROM messages
+        WHERE group_id = %s
+        ORDER BY timestamp DESC
+        LIMIT %s
+        """
+        results = self.execute_query(sql, (group_id, limit)) or []
+        return list(reversed(results))
+
+    def get_recent_personal_messages(self, wxid: str, limit: int = 20) -> List[Dict]:
+        """获取私聊最近归档消息
+
+        说明：
+        当前消息表没有可靠的 to_user 会话维度，这里只返回目标联系人发来的、
+        且未归属到群聊的消息，用于通讯录内的“尽力模式”历史预览。
+        """
+        sql = """
+        SELECT timestamp, sender, content, message_type, attachment_url, message_id, message_xml, message_thumb, image_path
+        FROM messages
+        WHERE (group_id IS NULL OR group_id = '')
+          AND sender = %s
+        ORDER BY timestamp DESC
+        LIMIT %s
+        """
+        results = self.execute_query(sql, (wxid, limit)) or []
+        return list(reversed(results))
+
     def get_message_count_by_date(self, date: str) -> List[Dict]:
         """获取指定日期的消息统计"""
         sql = """