fix: 修复Python模块导入错误并优化Chat功能

- 修复 core/agents/api 模块导入问题
- 优化 ChatInput 组件交互体验
- 增强 agent_handler 和 agent_service 功能
- 调整 Chat 页面样式和布局

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/internal/service/agent_service.go

@@ -117,7 +117,7 @@ func (s *AgentService) Chat(req AgentChatRequest) (*AgentChatResponse, error) {
 	log.Printf("[AgentService] Sending to Python: model_id=%s, api_key=%s, base_url=%s, provider=%s, model=%s",
 		req.ModelID, apiKeyPreview, req.BaseURL, req.ModelProvider, req.ModelName)
 
-	url := fmt.Sprintf("%s/api/v1/agent/chat", s.pythonURL)
+	url := fmt.Sprintf("%s/agent/chat", s.pythonURL)
 
 	jsonData, err := json.Marshal(req)
 	if err != nil {
@@ -155,7 +155,7 @@ func (s *AgentService) Chat(req AgentChatRequest) (*AgentChatResponse, error) {
 
 // TeamChat 多智能体群聊
 func (s *AgentService) TeamChat(req TeamChatRequest) (*TeamChatResponse, error) {
-	url := fmt.Sprintf("%s/api/v1/agent/team/chat", s.pythonURL)
+	url := fmt.Sprintf("%s/agent/team/chat", s.pythonURL)
 
 	// 设置默认策略
 	if req.Strategy == "" {
@@ -233,7 +233,7 @@ func (s *AgentService) ChatStream(c interface{}, agentID string, message, sessio
 		log.Printf("[ChatStream] modelID is empty or modelRepo is nil: modelID=%s, modelRepo=%v", modelID, s.modelRepo != nil)
 	}
 
-	streamURL := fmt.Sprintf("%s/api/v1/agent/chat/stream", s.pythonURL)
+	streamURL := fmt.Sprintf("%s/agent/chat/stream", s.pythonURL)
 
 	jsonData, err := json.Marshal(reqBody)
 	if err != nil {
@@ -365,6 +365,89 @@ func (s *AgentService) CreateAgent(req CreateAgentRequest, userID int) (*CreateA
 	}, nil
 }
 
+// TeamMemberInitRequest 团队成员初始化请求
+type TeamMemberInitRequest struct {
+	Name            string
+	Description     string
+	Avatar          string
+	Skills          []string
+	RoleDescription string
+}
+
+// InitTeamMembers 初始化团队成员智能体
+func (s *AgentService) InitTeamMembers() error {
+	if s.agentRepo == nil {
+		log.Printf("[AgentService] InitTeamMembers: agentRepo is nil!")
+		return fmt.Errorf("agent repository not initialized")
+	}
+
+	// 骚人开发组团队成员配置
+	teamMembers := []TeamMemberInitRequest{
+		{
+			Name:        "小荣",
+			Description: "前端开发工程师 - 骚人开发组成员",
+			Avatar:      "👨‍💻",
+			Skills:      []string{"Vue 3", "TypeScript", "Element Plus", "Tailwind CSS"},
+			RoleDescription: `你叫小荣，是骚人开发组的前端开发工程师。你细心认真，善于沟通。
+
+技能专长：
+- Vue 3 框架开发
+- TypeScript 类型系统
+- Element Plus 组件库
+- Tailwind CSS 样式框架
+
+性格特点：
+- 细心认真，注重代码质量
+- 善于与团队成员沟通协作
+- 积极解决前端技术难题`,
+		},
+	}
+
+	// 检查是否已存在同名智能体
+	for _, member := range teamMembers {
+		existingAgents, err := s.agentRepo.FindAll()
+		if err != nil {
+			log.Printf("[AgentService] InitTeamMembers: failed to list agents: %v", err)
+			continue
+		}
+
+		exists := false
+		for _, a := range existingAgents {
+			if a.Name == member.Name {
+				exists = true
+				log.Printf("[AgentService] InitTeamMembers: agent %s already exists, skipping", member.Name)
+				break
+			}
+		}
+
+		if !exists {
+			// 创建智能体
+			agent := &model.Agent{
+				ID:              uuid.New().String(),
+				Name:            member.Name,
+				Description:     member.Description,
+				OwnerID:         "1", // 系统管理员
+				Avatar:          member.Avatar,
+				Skills:          member.Skills,
+				RoleDescription: member.RoleDescription,
+				ModelProvider:   "anthropic",
+				ModelName:       "claude-sonnet-4-20250514",
+				IsActive:        true,
+				CreatedAt:       time.Now(),
+				UpdatedAt:       time.Now(),
+			}
+
+			if err := s.agentRepo.Create(agent); err != nil {
+				log.Printf("[AgentService] InitTeamMembers: failed to create agent %s: %v", member.Name, err)
+				continue
+			}
+			log.Printf("[AgentService] InitTeamMembers: created agent %s (ID: %s)", member.Name, agent.ID)
+		}
+	}
+
+	return nil
+}
+
 // ListAgentsResponse 获取智能体列表响应
 type ListAgentsResponse struct {
 	Agents []interface{} `json:"agents"`