Add voice memos to live journal and event log.

Record short E2E-encrypted audio attachments from the live log, link them to events via __live:voice markers, and play them back in the stream and chronological event table.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
2026-06-03 14:52:12 +02:00
parent f83d67b527
commit 975c7a2e40
30 changed files with 1155 additions and 14 deletions
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import { useCallback, useEffect, useRef, useState } from 'react'
import { useTranslation } from 'react-i18next'
import { Mic, Square, X } from 'lucide-react'
import {
assertVoiceMemoBlobSize,
formatVoiceDuration,
pickMediaRecorderMimeType,
VOICE_MEMO_MAX_DURATION_SEC
} from '../utils/audioBlob.js'
interface LiveVoiceCaptureProps {
open: boolean
busy?: boolean
caption?: string
onCaptionChange?: (value: string) => void
onClose: () => void
onSave: (blob: Blob, mimeType: string, durationSec: number) => void
}
type Phase = 'idle' | 'recording' | 'preview'
export default function LiveVoiceCapture({
open,
busy = false,
caption = '',
onCaptionChange,
onClose,
onSave
}: LiveVoiceCaptureProps) {
const { t } = useTranslation()
const mediaRecorderRef = useRef<MediaRecorder | null>(null)
const streamRef = useRef<MediaStream | null>(null)
const chunksRef = useRef<Blob[]>([])
const previewUrlRef = useRef<string | null>(null)
const startedAtRef = useRef<number>(0)
const timerRef = useRef<number | null>(null)
const [phase, setPhase] = useState<Phase>('idle')
const [micError, setMicError] = useState<string | null>(null)
const [elapsedSec, setElapsedSec] = useState(0)
const [previewBlob, setPreviewBlob] = useState<Blob | null>(null)
const [previewUrl, setPreviewUrl] = useState<string | null>(null)
const [previewMime, setPreviewMime] = useState('audio/webm')
const [previewDurationSec, setPreviewDurationSec] = useState(0)
const [saving, setSaving] = useState(false)
const stopStream = useCallback(() => {
for (const track of streamRef.current?.getTracks() ?? []) {
track.stop()
}
streamRef.current = null
}, [])
const clearPreview = useCallback(() => {
if (previewUrlRef.current) {
URL.revokeObjectURL(previewUrlRef.current)
previewUrlRef.current = null
}
setPreviewUrl(null)
setPreviewBlob(null)
}, [])
const clearTimer = useCallback(() => {
if (timerRef.current != null) {
window.clearInterval(timerRef.current)
timerRef.current = null
}
}, [])
const resetAll = useCallback(() => {
if (mediaRecorderRef.current?.state === 'recording') {
mediaRecorderRef.current.stop()
}
mediaRecorderRef.current = null
chunksRef.current = []
clearTimer()
stopStream()
clearPreview()
setPhase('idle')
setMicError(null)
setElapsedSec(0)
setSaving(false)
}, [stopStream, clearPreview, clearTimer])
useEffect(() => {
if (!open) {
resetAll()
}
}, [open, resetAll])
useEffect(() => {
return () => {
resetAll()
}
}, [resetAll])
const finishRecording = useCallback((blob: Blob, mimeType: string, durationSec: number) => {
clearPreview()
const url = URL.createObjectURL(blob)
previewUrlRef.current = url
setPreviewBlob(blob)
setPreviewUrl(url)
setPreviewMime(mimeType)
setPreviewDurationSec(durationSec)
setPhase('preview')
}, [clearPreview])
const stopRecording = useCallback(() => {
const recorder = mediaRecorderRef.current
if (!recorder || recorder.state !== 'recording') return
recorder.stop()
clearTimer()
stopStream()
}, [clearTimer, stopStream])
const startRecording = async () => {
setMicError(null)
chunksRef.current = []
try {
const stream = await navigator.mediaDevices.getUserMedia({ audio: true })
streamRef.current = stream
const mimeType = pickMediaRecorderMimeType()
const recorder = mimeType
? new MediaRecorder(stream, { mimeType })
: new MediaRecorder(stream)
mediaRecorderRef.current = recorder
const resolvedMime = recorder.mimeType || mimeType || 'audio/webm'
recorder.ondataavailable = (ev) => {
if (ev.data.size > 0) chunksRef.current.push(ev.data)
}
recorder.onstop = () => {
const durationSec = Math.min(
VOICE_MEMO_MAX_DURATION_SEC,
Math.max(1, Math.round((Date.now() - startedAtRef.current) / 1000))
)
const blob = new Blob(chunksRef.current, { type: resolvedMime })
chunksRef.current = []
try {
assertVoiceMemoBlobSize(blob)
finishRecording(blob, resolvedMime, durationSec)
} catch {
setMicError(t('logs.live_voice_too_large'))
setPhase('idle')
}
}
recorder.onerror = () => {
setMicError(t('logs.live_voice_record_failed'))
resetAll()
}
startedAtRef.current = Date.now()
recorder.start(200)
setPhase('recording')
setElapsedSec(0)
timerRef.current = window.setInterval(() => {
const sec = Math.floor((Date.now() - startedAtRef.current) / 1000)
setElapsedSec(sec)
if (sec >= VOICE_MEMO_MAX_DURATION_SEC) {
stopRecording()
}
}, 250)
} catch {
setMicError(t('logs.live_voice_mic_denied'))
stopStream()
}
}
const handleSave = async () => {
if (!previewBlob || saving || busy) return
setSaving(true)
try {
onSave(previewBlob, previewMime, previewDurationSec)
} finally {
setSaving(false)
}
}
if (!open) return null
return (
<div
className="live-log-modal-backdrop"
onClick={(e) => {
if (e.target === e.currentTarget && !busy && !saving && phase !== 'recording') onClose()
}}
>
<div className="live-log-modal live-voice-modal" onClick={(e) => e.stopPropagation()}>
<div className="live-voice-modal-header">
<h3>{t('logs.live_voice_btn')}</h3>
<button
type="button"
className="btn-icon"
onClick={onClose}
disabled={busy || saving || phase === 'recording'}
aria-label={t('logs.confirm_no')}
>
<X size={18} />
</button>
</div>
{micError && <p className="live-log-modal-hint auth-error">{micError}</p>}
{phase === 'idle' && (
<>
<p className="live-log-modal-hint">{t('logs.live_voice_hint')}</p>
<button
type="button"
className="btn primary live-voice-record-btn"
onClick={() => void startRecording()}
disabled={busy || saving}
>
<Mic size={18} />
{t('logs.live_voice_record')}
</button>
</>
)}
{phase === 'recording' && (
<>
<p className="live-voice-recording-indicator" role="status" aria-live="polite">
<span className="live-voice-recording-dot" aria-hidden />
{t('logs.live_voice_recording', { time: formatVoiceDuration(elapsedSec) })}
</p>
<button
type="button"
className="btn primary live-voice-stop-btn"
onClick={stopRecording}
>
<Square size={16} fill="currentColor" />
{t('logs.live_voice_stop')}
</button>
</>
)}
{phase === 'preview' && previewUrl && (
<>
<audio className="voice-memo-player" controls src={previewUrl} preload="auto" />
{onCaptionChange && (
<label className="live-voice-caption-field">
<span>{t('logs.live_voice_caption_label')}</span>
<input
type="text"
className="input-text"
value={caption}
onChange={(e) => onCaptionChange(e.target.value)}
placeholder={t('logs.live_voice_caption_placeholder')}
disabled={busy || saving}
/>
</label>
)}
<div className="live-log-modal-actions">
<button
type="button"
className="btn secondary"
onClick={() => {
clearPreview()
setPhase('idle')
}}
disabled={busy || saving}
>
{t('logs.live_voice_retake')}
</button>
<button
type="button"
className="btn primary"
onClick={() => void handleSave()}
disabled={busy || saving}
>
{saving ? t('logs.live_voice_saving') : t('logs.live_voice_save')}
</button>
</div>
</>
)}
</div>
</div>
)
}