fix: resolve merge leftovers in chat panel and composite backend

src/agents/common/backends/composite.py

@@ -4,7 +4,6 @@ from deepagents.backends import CompositeBackend
 
 from src.sandbox import ProvisionerSandboxBackend
 from src.agents.common.middlewares.skills_middleware import normalize_selected_skills
-from src.services.skill_service import is_valid_skill_slug
 
 from .skills_backend import SelectedSkillsReadonlyBackend
 

web/src/components/AgentChatComponent.vue

@@ -1473,7 +1473,6 @@ const handleSendMessage = async ({ image } = {}) => {
   } finally {
     threadState.streamAbortController = null
     // 异步加载历史记录，保持当前消息显示直到历史记录加载完成
-    fetchThreadMessages({ agentId: currentAgentId.value, threadId: threadId }).finally(
     fetchThreadMessages({ agentId: currentAgentId.value, threadId: threadId }).finally(() => {
       // 历史记录加载完成后，安全地清空当前进行中的对话
       resetOnGoingConv(threadId)