feat: 后台管理添加查看用户对话记录功能

backend/app.py

@@ -641,6 +641,36 @@ def get_user_conversations(user_id):
     return jsonify(conversations)
 
 
+@app.route('/api/user/<int:user_id>/conversations/<int:conv_id>', methods=['GET'])
+def get_user_conversation_detail(user_id, conv_id):
+    """获取单个对话详情"""
+    conn = get_db()
+    cursor = conn.cursor()
+    cursor.execute('''
+        SELECT id, title, agent_id, messages, created_at, updated_at 
+        FROM conversations WHERE id = ? AND user_id = ?
+    ''', (conv_id, user_id))
+    
+    row = cursor.fetchone()
+    conn.close()
+    
+    if not row:
+        return jsonify({'error': '对话不存在'}), 404
+    
+    conv = dict(row)
+    try:
+        conv['messages'] = json.loads(conv['messages']) if conv['messages'] else []
+    except:
+        conv['messages'] = []
+    
+    conv['id'] = str(conv['id'])
+    conv['createdAt'] = int(datetime.strptime(conv['created_at'], '%Y-%m-%d %H:%M:%S').timestamp() * 1000) if conv['created_at'] else 0
+    conv['updatedAt'] = int(datetime.strptime(conv['updated_at'], '%Y-%m-%d %H:%M:%S').timestamp() * 1000) if conv['updated_at'] else 0
+    conv['agentId'] = conv['agent_id']
+    
+    return jsonify(conv)
+
+
 @app.route('/api/user/<int:user_id>/conversations', methods=['POST'])
 def create_user_conversation(user_id):
     """创建新对话"""