feat(annotation): add serialization support

src/App.vue

@@ -670,8 +670,8 @@ onBeforeUnmount(() => window.removeEventListener('keydown', handleWindowKeydown)
         :zero-line="zeroLine"
         :frame-number="frameWatermarkVisible ? 1 : undefined"
         v-model:annotations="annotations"
-        v-model:annotations-visible="annotationsVisible"
-        v-model:interaction-mode="interactionMode"
+        :annotations-visible="annotationsVisible"
+        :interaction-mode="interactionMode"
         v-model:hidden-series-ids="hiddenSeriesIds"
         @zoom-end="handleZoomEnd"
         @zoom-reset="resetWaveformViewport"

src/components/WaveformChart.test.ts

@@ -1577,7 +1577,6 @@ describe('WaveformChart', () => {
 
     expect(initialPath).toContain('L')
     expect(wrapper.get('.waveform-chart__svg').attributes('width')).toBe('800')
-    expect(wrapper.find('.waveform-annotation-toolbar').exists()).toBe(false)
     expect(wrapper.attributes('data-interaction-mode')).toBeUndefined()
 
     resizeObservers.at(-1)?.resize(500, 360)
@@ -1876,7 +1875,6 @@ describe('WaveformChart', () => {
     const wrapper = await mountSizedChart(gridSeries(2), {
       title: { text: '波形标题' },
       grid: { rowCount: 1, columnCount: 1, showPagination: true },
-      showAnnotationToolbar: true,
     })
 
     for (const selector of [
@@ -1884,7 +1882,6 @@ describe('WaveformChart', () => {
       '.waveform-chart__grid',
       '.waveform-chart__overlay',
       '.waveform-chart__pagination',
-      '.waveform-annotation-toolbar',
     ]) {
       const event = new MouseEvent('contextmenu', { bubbles: true, cancelable: true })
       const dispatched = wrapper.get(selector).element.dispatchEvent(event)
@@ -2410,8 +2407,12 @@ describe('WaveformChart', () => {
       )
       expect(wrapper.emitted('zoom-end')).toBeUndefined()
       flushAnimationFrames()
-      // Wait for zoom-end debounce (internal throttle + flush)
-      await vi.advanceTimersByTimeAsync(200)
+      // The wheel debounce is 200ms: it must not end early, then ends at the boundary.
+      await vi.advanceTimersByTimeAsync(199)
+      await flushPromises()
+      expect(wrapper.emitted('zoom-end')).toBeUndefined()
+
+      await vi.advanceTimersByTimeAsync(1)
       await flushPromises()
 
       const endEvents = wrapper.emitted('zoom-end') ?? []
@@ -3553,23 +3554,6 @@ describe('WaveformChart', () => {
     expect(overlay.classes()).not.toContain('is-zoomable')
   })
 
-  it('keeps the annotation toolbar available behind the compatibility prop', async () => {
-    const wrapper = await mountSizedChart(
-      {
-        kind: 'points',
-        points: [
-          { x: 0, y: 0 },
-          { x: 1, y: 5 },
-        ],
-      },
-      { showAnnotationToolbar: true },
-    )
-
-    expect(wrapper.find('.waveform-annotation-toolbar').exists()).toBe(true)
-    await wrapper.get('button[aria-label="添加标注"]').trigger('click')
-    expect(wrapper.attributes('data-interaction-mode')).toBe('annotation')
-  })
-
   it('creates a controlled annotation from externally selected annotation mode', async () => {
     const wrapper = await mountSizedChart(
       {
@@ -3922,7 +3906,6 @@ describe('WaveformChart', () => {
       },
       {
         interactionMode: 'annotation',
-        showAnnotationToolbar: true,
         annotations: [
           { id: 'valid', seriesId: 'series-0', x: 1, y: 5, text: '显示' },
           { id: 'unknown', seriesId: 'missing', x: 1, y: 5, text: '不显示' },
@@ -3932,10 +3915,8 @@ describe('WaveformChart', () => {
 
     expect(wrapper.attributes('data-interaction-mode')).toBe('annotation')
     expect(wrapper.findAll('.waveform-annotation')).toHaveLength(1)
+    expect(wrapper.find('.waveform-annotation-toolbar').exists()).toBe(false)
     expect(wrapper.get('.waveform-chart__overlay').classes()).toContain('is-annotating')
-    await wrapper.get('button[aria-label="隐藏标注"]').trigger('click')
-    expect(wrapper.emitted('update:annotations-visible')?.at(-1)).toEqual([false])
-
     await wrapper.setProps({ annotationsVisible: false })
     expect(wrapper.find('.waveform-annotation').exists()).toBe(false)
   })

src/components/WaveformChart.vue

@@ -51,7 +51,6 @@ import {
   type AnnotationEditorAnchor,
   WaveformAnnotationContextMenu,
   WaveformAnnotationLayer,
-  WaveformAnnotationToolbar,
   type AnnotationHit,
   type AnnotationSeriesCandidate,
   type AnnotationSeriesInfo,
@@ -103,7 +102,6 @@ const props = withDefaults(
     annotations?: WaveformAnnotation[]
     annotationsVisible?: boolean
     interactionMode?: WaveformInteractionMode
-    showAnnotationToolbar?: boolean
     grid?: WaveformGridOptions
     rendering?: WaveformRenderingOptions
     title?: WaveformTitleOptions
@@ -126,7 +124,6 @@ const props = withDefaults(
     annotations: () => [],
     annotationsVisible: true,
     interactionMode: undefined,
-    showAnnotationToolbar: false,
     grid: () => ({ rowCount: 2, columnCount: 1, showPagination: true }),
     rendering: () => ({}),
     legend: () => ({ position: 'top-right', orientation: 'auto' }),
@@ -142,8 +139,6 @@ const emit = defineEmits<{
   'zoom-end': [payload: WaveformZoomEndPayload]
   'zoom-reset': []
   'update:annotations': [annotations: WaveformAnnotation[]]
-  'update:annotations-visible': [visible: boolean]
-  'update:interaction-mode': [mode: WaveformInteractionMode]
   'update:hidden-series-ids': [ids: string[]]
   'series-visibility-change': [
     payload: {
@@ -180,7 +175,6 @@ const currentPage = ref(1)
 const resizeObserver = shallowRef<ResizeObserver>()
 const zoomBehaviors = new Map<number | 'shared', ZoomBehavior<SVGRectElement, unknown>>()
 const clipPathId = useWaveformInstanceId('waveform-clip')
-const internalInteractionMode = ref<WaveformInteractionMode | undefined>(undefined)
 const internalHiddenSeriesIds = ref(new Set(props.defaultHiddenSeriesIds))
 const annotationInteraction = useWaveformAnnotationInteraction()
 const editorSeriesOptions = ref<AnnotationSeriesCandidate[]>([])
@@ -196,6 +190,8 @@ const lastIndependentZoomGestures = new Map<number, ZoomGestureKind>()
 const lastZoomedTrackIndexes = new Set<number>()
 const zoomThrottle = useAnimationFrameThrottle()
 const hoverThrottle = useAnimationFrameThrottle()
+const wheelZoomDebounceMs = 200
+let wheelZoomEndTimer: ReturnType<typeof setTimeout> | undefined
 const preparedSeries = usePreparedWaveformSeries(() => props.data, handleDataReferenceChange)
 
 interface SelectionState {
@@ -519,7 +515,7 @@ const hasWaveformData = computed(() => chartSeries.value.length > 0)
 const hoveredPoint = computed(() => hoveredSeriesPoints.value[0]?.point ?? null)
 const hasChartArea = computed(() => innerWidth.value > 0 && innerHeight.value > 0)
 const resolvedXLabel = computed(() => props.xLabel ?? `时间（${props.timeUnit}）`)
-const activeInteractionMode = computed(() => props.interactionMode ?? internalInteractionMode.value)
+const activeInteractionMode = computed(() => props.interactionMode)
 // 当 interactionMode 未定义或为 'zoom' 时启用缩放
 const isZoomMode = computed(
   () => activeInteractionMode.value === 'zoom' || activeInteractionMode.value === undefined,
@@ -676,6 +672,7 @@ function handleSharedZoom(event: D3ZoomEvent<SVGRectElement, unknown>) {
   pendingSharedZoomTransform = event.transform
   pendingSharedZoomGesture = 'wheel'
   scheduleZoomCommit()
+  scheduleWheelZoomEnd()
 }
 
 function handleIndependentZoom(event: D3ZoomEvent<SVGRectElement, unknown>, trackIndex: number) {
@@ -684,6 +681,7 @@ function handleIndependentZoom(event: D3ZoomEvent<SVGRectElement, unknown>, trac
   pendingIndependentZoomTransforms.set(trackIndex, event.transform)
   pendingIndependentZoomGestures.set(trackIndex, 'wheel')
   scheduleZoomCommit()
+  scheduleWheelZoomEnd()
 }
 
 function commitPendingZoom() {
@@ -731,9 +729,20 @@ function scheduleZoomCommit() {
 function flushPendingZoom() {
   zoomThrottle.flush()
   commitPendingZoom()
+  if (lastSharedZoomGesture === 'wheel' || lastIndependentZoomGestures.size) return
   emitZoomEnd()
 }
 
+function scheduleWheelZoomEnd() {
+  if (wheelZoomEndTimer !== undefined) clearTimeout(wheelZoomEndTimer)
+  wheelZoomEndTimer = setTimeout(() => {
+    wheelZoomEndTimer = undefined
+    zoomThrottle.flush()
+    commitPendingZoom()
+    emitZoomEnd()
+  }, wheelZoomDebounceMs)
+}
+
 function emitZoomEnd() {
   if (props.displayMode === 'independent') {
     lastZoomedTrackIndexes.forEach((trackIndex) => {
@@ -790,6 +799,10 @@ function cancelPendingZoom() {
   lastZoomedTrackIndexes.clear()
   lastIndependentZoomGestures.clear()
   zoomThrottle.cancel()
+  if (wheelZoomEndTimer !== undefined) {
+    clearTimeout(wheelZoomEndTimer)
+    wheelZoomEndTimer = undefined
+  }
 }
 
 function clearZoomBindings() {
@@ -983,22 +996,6 @@ function makeAnnotationId(): string {
   return `annotation-${Date.now()}-${generatedAnnotationId}`
 }
 
-function setInteractionMode(mode: WaveformInteractionMode) {
-  if (props.interactionMode === undefined) internalInteractionMode.value = mode
-  annotationInteraction.closeContextMenu()
-  editorSeriesOptions.value = []
-  emit('update:interaction-mode', mode)
-}
-
-function setAnnotationsVisible(visible: boolean) {
-  annotationInteraction.closeContextMenu()
-  if (!visible) {
-    annotationInteraction.closeEditor()
-    editorSeriesOptions.value = []
-  }
-  emit('update:annotations-visible', visible)
-}
-
 function toggleSeriesVisibility(seriesId: string) {
   if (!chartSeries.value.some((series) => series.id === seriesId)) return
   const nextHiddenSeriesIds = new Set(hiddenSeriesIdSet.value)
@@ -2005,14 +2002,6 @@ onBeforeUnmount(() => {
       @change="goToPage"
     />
 
-    <WaveformAnnotationToolbar
-      v-if="showAnnotationToolbar && !isCleanView"
-      :interaction-mode="activeInteractionMode"
-      :annotations-visible="annotationsVisible"
-      @update:interaction-mode="setInteractionMode"
-      @update:annotations-visible="setAnnotationsVisible"
-    />
-
     <WaveformAnnotationEditor
       v-if="annotationInteraction.editorDraft.value && !isCleanView"
       :annotation="annotationInteraction.editorDraft.value.annotation"

src/components/annotation/WaveformAnnotationToolbar.vue

@@ -1,81 +0,0 @@
-<script setup lang="ts">
-import type { WaveformInteractionMode } from '../../types'
-
-interface Props {
-  interactionMode?: WaveformInteractionMode
-  annotationsVisible: boolean
-}
-
-const props = defineProps<Props>()
-const emit = defineEmits<{
-  (event: 'update:interaction-mode', mode: WaveformInteractionMode): void
-  (event: 'update:annotations-visible', visible: boolean): void
-}>()
-</script>
-
-<template>
-  <div class="waveform-annotation-toolbar" role="toolbar" aria-label="波形标注工具">
-    <button
-      type="button"
-      :class="{ 'is-active': props.interactionMode === 'zoom' }"
-      aria-label="缩放模式"
-      title="缩放模式"
-      @click="emit('update:interaction-mode', 'zoom')"
-    >
-      缩放
-    </button>
-    <button
-      type="button"
-      :class="{ 'is-active': props.interactionMode === 'annotation' }"
-      aria-label="添加标注"
-      title="添加标注"
-      @click="emit('update:interaction-mode', 'annotation')"
-    >
-      标注
-    </button>
-    <button
-      type="button"
-      :class="{ 'is-active': props.annotationsVisible }"
-      :aria-pressed="props.annotationsVisible"
-      :aria-label="props.annotationsVisible ? '隐藏标注' : '显示标注'"
-      title="显示/隐藏标注"
-      @click="emit('update:annotations-visible', !props.annotationsVisible)"
-    >
-      {{ props.annotationsVisible ? '隐藏' : '显示' }}
-    </button>
-  </div>
-</template>
-
-<style scoped>
-.waveform-annotation-toolbar {
-  position: absolute;
-  top: 8px;
-  right: 8px;
-  z-index: 10;
-  display: flex;
-  gap: 4px;
-  padding: 5px;
-  background: #fff;
-  border: 1px solid #dfe5ef;
-  border-radius: 4px;
-  box-shadow: 0 2px 8px rgb(0 0 0 / 8%);
-}
-
-.waveform-annotation-toolbar button {
-  min-width: 42px;
-  height: 28px;
-  padding: 0 7px;
-  color: #667085;
-  font-size: 12px;
-  background: transparent;
-  border: 0;
-  border-radius: 3px;
-  cursor: pointer;
-}
-
-.waveform-annotation-toolbar button:hover,
-.waveform-annotation-toolbar button.is-active {
-  color: #1677ff;
-  background: #e6f4ff;
-}
-</style>

src/components/annotation/components.test.ts

@@ -5,7 +5,6 @@ import { ColorPicker } from 'vue3-colorpicker'
 import WaveformAnnotationContextMenu from './WaveformAnnotationContextMenu.vue'
 import WaveformAnnotationEditor from './WaveformAnnotationEditor.vue'
 import WaveformAnnotationLayer from './WaveformAnnotationLayer.vue'
-import WaveformAnnotationToolbar from './WaveformAnnotationToolbar.vue'
 
 describe('waveform annotation controls', () => {
   it('keeps dialog title ids unique across editor instances', () => {
@@ -76,18 +75,6 @@ describe('waveform annotation controls', () => {
     expect(wrapper.get('.waveform-annotation-editor__series').text()).toContain('通道 A')
   })
 
-  it('emits controlled toolbar changes', async () => {
-    const wrapper = mount(WaveformAnnotationToolbar, {
-      props: { interactionMode: 'zoom', annotationsVisible: true },
-    })
-
-    await wrapper.get('button[aria-label="添加标注"]').trigger('click')
-    await wrapper.get('button[aria-label="隐藏标注"]').trigger('click')
-
-    expect(wrapper.emitted('update:interaction-mode')).toEqual([['annotation']])
-    expect(wrapper.emitted('update:annotations-visible')).toEqual([[false]])
-  })
-
   it('validates text and emits an immutable edited annotation with style defaults', async () => {
     const annotation = { id: 'note', seriesId: 'a', x: 1, y: 2, text: '' }
     const wrapper = mount(WaveformAnnotationEditor, {

src/components/annotation/index.ts

@@ -1,6 +1,6 @@
 export { default as WaveformAnnotationLayer } from './WaveformAnnotationLayer.vue'
-export { default as WaveformAnnotationToolbar } from './WaveformAnnotationToolbar.vue'
 export { default as WaveformAnnotationContextMenu } from './WaveformAnnotationContextMenu.vue'
 export * from './markup'
+export * from './serialization'
 export * from './types'
 export * from './useWaveformAnnotationInteraction'

src/components/annotation/serialization.test.ts

@@ -0,0 +1,114 @@
+import { describe, expect, it } from 'vitest'
+
+import type { WaveformAnnotation } from '../../types'
+import { parseWaveformAnnotations, serializeWaveformAnnotations } from './serialization'
+
+describe('waveform annotation serialization', () => {
+  it('round-trips every annotation field through a versioned document', () => {
+    const source: WaveformAnnotation[] = [
+      {
+        id: 'note-1',
+        seriesId: 'channel-a',
+        x: 1.25,
+        y: -3.5,
+        text: '峰值',
+        labelOffsetX: 12,
+        labelOffsetY: -8,
+        createdAt: '2026-07-21T12:00:00.000Z',
+        style: {
+          borderColor: '#1677ff',
+          textColor: '#333333',
+          backgroundColor: 'rgba(255, 255, 255, 0.92)',
+        },
+      },
+    ]
+    const sourceSnapshot = JSON.parse(JSON.stringify(source))
+
+    const parsed = parseWaveformAnnotations(serializeWaveformAnnotations(source))
+
+    expect(JSON.parse(serializeWaveformAnnotations(source))).toMatchObject({ version: 1 })
+    expect(source).toEqual(sourceSnapshot)
+    expect(parsed).toEqual(source)
+    expect(parsed).not.toBe(source)
+    expect(parsed[0]).not.toBe(source[0])
+    expect(parsed[0].style).not.toBe(source[0].style)
+  })
+
+  it('allows annotations for series that are not currently loaded', () => {
+    expect(
+      parseWaveformAnnotations(
+        JSON.stringify({
+          version: 1,
+          annotations: [{ id: 'future', seriesId: 'missing', x: 1, y: 2, text: '稍后显示' }],
+        }),
+      ),
+    ).toEqual([{ id: 'future', seriesId: 'missing', x: 1, y: 2, text: '稍后显示' }])
+  })
+
+  it.each([
+    ['invalid JSON', '{'],
+    ['non-object root', '[]'],
+    ['unsupported version', JSON.stringify({ version: 2, annotations: [] })],
+    ['missing annotation array', JSON.stringify({ version: 1 })],
+    [
+      'invalid annotation entry',
+      JSON.stringify({ version: 1, annotations: [{ id: 'a', seriesId: 's', x: 1 }] }),
+    ],
+    [
+      'non-finite coordinate',
+      '{"version":1,"annotations":[{"id":"a","seriesId":"s","x":1e400,"y":2,"text":"a"}]}',
+    ],
+    [
+      'overlong text',
+      JSON.stringify({
+        version: 1,
+        annotations: [{ id: 'a', seriesId: 's', x: 1, y: 2, text: 'a'.repeat(41) }],
+      }),
+    ],
+    [
+      'duplicate IDs',
+      JSON.stringify({
+        version: 1,
+        annotations: [
+          { id: 'a', seriesId: 's', x: 1, y: 2, text: 'one' },
+          { id: 'a', seriesId: 's', x: 2, y: 3, text: 'two' },
+        ],
+      }),
+    ],
+  ])('rejects %s without returning partial data', (_label, json) => {
+    expect(() => parseWaveformAnnotations(json)).toThrow('Invalid waveform annotation file')
+  })
+
+  it('rejects invalid optional fields and serialization input', () => {
+    expect(() =>
+      parseWaveformAnnotations(
+        JSON.stringify({
+          version: 1,
+          annotations: [
+            {
+              id: 'a',
+              seriesId: 's',
+              x: 1,
+              y: 2,
+              text: 'a',
+              labelOffsetX: '12',
+            },
+          ],
+        }),
+      ),
+    ).toThrow('labelOffsetX')
+
+    expect(() =>
+      parseWaveformAnnotations(
+        JSON.stringify({
+          version: 1,
+          annotations: [{ id: 'a', seriesId: 's', x: 1, y: 2, text: 'a', style: [] }],
+        }),
+      ),
+    ).toThrow('style must be an object')
+
+    expect(() =>
+      serializeWaveformAnnotations([{ id: 'a', seriesId: 's', x: Number.NaN, y: 2, text: 'a' }]),
+    ).toThrow('x must be a finite number')
+  })
+})

src/components/annotation/serialization.ts

@@ -0,0 +1,127 @@
+import type { WaveformAnnotation, WaveformAnnotationStyle } from '../../types'
+import { ANNOTATION_MAX_TEXT_LENGTH } from './markup'
+
+const ANNOTATION_FILE_VERSION = 1
+
+type JsonRecord = Record<string, unknown>
+
+function fail(message: string): never {
+  throw new TypeError(`Invalid waveform annotation file: ${message}`)
+}
+
+function isRecord(value: unknown): value is JsonRecord {
+  return typeof value === 'object' && value !== null && !Array.isArray(value)
+}
+
+function requiredString(record: JsonRecord, key: string, path: string): string {
+  const value = record[key]
+  if (typeof value !== 'string' || value.trim().length === 0) {
+    fail(`${path}.${key} must be a non-empty string`)
+  }
+  return value
+}
+
+function optionalString(record: JsonRecord, key: string, path: string): string | undefined {
+  const value = record[key]
+  if (value === undefined) return undefined
+  if (typeof value !== 'string') fail(`${path}.${key} must be a string`)
+  return value
+}
+
+function requiredFiniteNumber(record: JsonRecord, key: string, path: string): number {
+  const value = record[key]
+  if (typeof value !== 'number' || !Number.isFinite(value)) {
+    fail(`${path}.${key} must be a finite number`)
+  }
+  return value
+}
+
+function optionalFiniteNumber(record: JsonRecord, key: string, path: string): number | undefined {
+  const value = record[key]
+  if (value === undefined) return undefined
+  if (typeof value !== 'number' || !Number.isFinite(value)) {
+    fail(`${path}.${key} must be a finite number`)
+  }
+  return value
+}
+
+function parseStyle(value: unknown, path: string): WaveformAnnotationStyle | undefined {
+  if (value === undefined) return undefined
+  if (!isRecord(value)) fail(`${path} must be an object`)
+
+  const borderColor = optionalString(value, 'borderColor', path)
+  const textColor = optionalString(value, 'textColor', path)
+  const backgroundColor = optionalString(value, 'backgroundColor', path)
+
+  return {
+    ...(borderColor !== undefined && { borderColor }),
+    ...(textColor !== undefined && { textColor }),
+    ...(backgroundColor !== undefined && { backgroundColor }),
+  }
+}
+
+function parseAnnotation(value: unknown, index: number): WaveformAnnotation {
+  const path = `annotations[${index}]`
+  if (!isRecord(value)) fail(`${path} must be an object`)
+
+  const text = requiredString(value, 'text', path)
+  if (text.length > ANNOTATION_MAX_TEXT_LENGTH) {
+    fail(`${path}.text must not exceed ${ANNOTATION_MAX_TEXT_LENGTH} characters`)
+  }
+
+  const labelOffsetX = optionalFiniteNumber(value, 'labelOffsetX', path)
+  const labelOffsetY = optionalFiniteNumber(value, 'labelOffsetY', path)
+  const createdAt = optionalString(value, 'createdAt', path)
+  const style = parseStyle(value.style, `${path}.style`)
+
+  return {
+    id: requiredString(value, 'id', path),
+    seriesId: requiredString(value, 'seriesId', path),
+    x: requiredFiniteNumber(value, 'x', path),
+    y: requiredFiniteNumber(value, 'y', path),
+    text,
+    ...(labelOffsetX !== undefined && { labelOffsetX }),
+    ...(labelOffsetY !== undefined && { labelOffsetY }),
+    ...(style !== undefined && { style }),
+    ...(createdAt !== undefined && { createdAt }),
+  }
+}
+
+function normalizeAnnotations(values: readonly unknown[]): WaveformAnnotation[] {
+  const annotations = values.map(parseAnnotation)
+  const ids = new Set<string>()
+  annotations.forEach((annotation, index) => {
+    if (ids.has(annotation.id)) fail(`annotations[${index}].id must be unique`)
+    ids.add(annotation.id)
+  })
+  return annotations
+}
+
+/** Serialize annotations to the versioned waveform annotation JSON format. */
+export function serializeWaveformAnnotations(annotations: readonly WaveformAnnotation[]): string {
+  return JSON.stringify(
+    { version: ANNOTATION_FILE_VERSION, annotations: normalizeAnnotations(annotations) },
+    null,
+    2,
+  )
+}
+
+/** Parse and validate a versioned waveform annotation JSON document. */
+export function parseWaveformAnnotations(json: string): WaveformAnnotation[] {
+  if (typeof json !== 'string') fail('input must be a JSON string')
+
+  let document: unknown
+  try {
+    document = JSON.parse(json)
+  } catch {
+    fail('input is not valid JSON')
+  }
+
+  if (!isRecord(document)) fail('root must be an object')
+  if (document.version !== ANNOTATION_FILE_VERSION) {
+    fail(`version must be ${ANNOTATION_FILE_VERSION}`)
+  }
+  if (!Array.isArray(document.annotations)) fail('annotations must be an array')
+
+  return normalizeAnnotations(document.annotations)
+}

src/components/index.ts

@@ -31,8 +31,4 @@ export type { WaveformGridOptions as WaveformGridConfig } from './core/grid'
 // 可选：导出各系统的组件（供高级用户使用）
 export { WaveformTooltip } from './interaction'
 export { WaveformTrack } from './rendering'
-export {
-  WaveformAnnotationLayer,
-  WaveformAnnotationToolbar,
-  WaveformAnnotationContextMenu,
-} from './annotation'
+export { WaveformAnnotationLayer, WaveformAnnotationContextMenu } from './annotation'

src/index.ts

@@ -60,3 +60,5 @@ export {
   selectRenderablePoints,
   type ResolvedWaveformRenderingOptions,
 } from './core'
+
+export { parseWaveformAnnotations, serializeWaveformAnnotations } from './components/annotation'