初始化模版工程

components/nova-sdk/utils/slideEventHelpers.ts

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+import type { ApiEvent } from '../types'
+
+/**
+ * 检查是否为 slide_create_in_batches 事件
+ */
+export function isSlideCreateInBatchesEvent(
+  event: ApiEvent,
+  state?: 'start' | 'running' | 'done'
+): boolean {
+  if (event.content?.action_type !== 'slide_create_in_batches') {
+    return false
+  }
+  if (!state) return true
+
+  const eventStatus = event.event_status as string | undefined
+  const isStream = !!event.stream
+
+  if (state === 'start') return !isStream && eventStatus === 'running'
+  if (state === 'running') return isStream && eventStatus === 'running'
+  if (state === 'done') return eventStatus === 'success'
+  return false
+}
+
+/**
+ * Slide 流式数据累积结果
+ */
+export interface SlideStreamData {
+  slideChunks: Map<string, string>
+  slidePages?: Array<{ html: string; status: 'completed' }>
+}
+
+/**
+ * 处理 slide 事件的流式数据累积
+ */
+export function processSlideEvents(rawEvents: ApiEvent[]): SlideStreamData {
+  const slideChunks = new Map<string, string>() // index -> content
+  let slidePages: Array<{ html: string; status: 'completed' }> | undefined
+
+  for (const event of rawEvents) {
+    // slide_create_in_batches 特殊处理：累积 chunks
+    if (isSlideCreateInBatchesEvent(event, 'running')) {
+      const chunk = event.content?.tool_input as { index?: number; content?: string } | undefined
+      if (chunk?.content) {
+        const key = (chunk.index || 1).toString()
+        const existing = slideChunks.get(key) || ''
+        slideChunks.set(key, existing + chunk.content)
+      }
+    }
+
+    if (isSlideCreateInBatchesEvent(event, 'done')) {
+      const output = event.content?.tool_output as { generated_files?: Array<{ index: number; content: string }> } | undefined
+      if (output?.generated_files) {
+        slidePages = output.generated_files.map((slide) => ({
+          html: slide.content,
+          status: 'completed' as const,
+        }))
+      }
+    }
+  }
+
+  return { slideChunks, slidePages }
+}
+
+/**
+ * 为事件附加 slide 元数据
+ */
+export function attachSlideMetadata(
+  event: ApiEvent,
+  slideData: SlideStreamData
+): { pages?: Array<{ html: string; status: 'running' | 'completed' }>; isStreaming: boolean } | undefined {
+  if (!isSlideCreateInBatchesEvent(event)) {
+    return undefined
+  }
+
+  const { slideChunks, slidePages } = slideData
+
+  const streamPages = slideChunks.size > 0
+    ? Array.from(slideChunks.entries())
+        .sort(([a], [b]) => Number(a) - Number(b))
+        .map(([, content]) => ({ html: content, status: 'running' as const }))
+    : undefined
+
+  return {
+    pages: slidePages || streamPages,
+    isStreaming: !slidePages && !!streamPages,
+  }
+}