初始化模版工程

components/nova-sdk/context/NovaKitProvider.tsx

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+import React, { useState, useEffect, useRef } from 'react'
+import type {
+  NovaKitContextValue,
+  ExtendedEvent,
+  TaskStatus,
+  NovaAPI,
+  TaskArtifact,
+} from '../types'
+import { TaskStatus as Status } from '../types'
+import { NovaKitContext } from './context'
+
+export interface NovaKitProviderProps {
+  children: React.ReactNode
+  /** 统一的 API 命名空间 */
+  api: NovaAPI
+  agentId: string
+  agentName?: string
+  conversationId?: string
+  onMessage?: (event: ExtendedEvent) => void
+  setLoading: (loading: boolean) => void
+  loading: boolean
+  mode?: 'chat' | 'share'
+  panelMode?: 'sidebar' | 'dialog'
+}
+
+/**
+ * NovaKit Provider - 提供消息列表和状态管理
+ */
+export function NovaKitProvider({
+  mode = 'chat',
+  panelMode = 'sidebar',
+  children,
+  api,
+  agentId,
+  agentName,
+  conversationId: propConversationId,
+  setLoading,
+  loading,
+}: NovaKitProviderProps) {
+  const [messageList, setMessageList] = useState<ExtendedEvent[][]>([])
+  const [taskStatus] = useState<TaskStatus>(Status.PENDING)
+  const [isLoading ] = useState(false)
+  const [artifacts, setArtifacts] = useState<TaskArtifact[]>([])
+  const prevConversationIdRef = useRef<string | undefined>(propConversationId)
+
+  // 监听 conversationId 变化，重置相关状态
+  useEffect(() => {
+    if (propConversationId !== prevConversationIdRef.current) {
+      prevConversationIdRef.current = propConversationId
+      setMessageList([])
+      setArtifacts([])  
+    }
+  }, [propConversationId])
+
+  // 直接使用 prop，不需要内部 state
+  const conversationId = propConversationId || null
+
+  const value: NovaKitContextValue = {
+    api,
+    agentId,
+    agentName,
+    panelMode,
+    messageList: messageList,
+    taskStatus,
+    conversationId,
+    isLoading,
+    artifacts,
+    loading,
+    setLoading,
+    mode,
+  }
+
+  return (
+    <NovaKitContext.Provider value={value}>
+      {children}
+    </NovaKitContext.Provider>
+  )
+}
+
+