Add /capture page — field recorder interface, auth-free, voice capture
This commit is contained in:
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'use client';
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import { useState, useRef, useEffect } from 'react';
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const API_URL = process.env.NEXT_PUBLIC_API_URL || '';
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export default function CapturePage() {
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const [state, setState] = useState<'idle' | 'recording' | 'transcribing' | 'saved' | 'error'>('idle');
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const [countdown, setCountdown] = useState(0);
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const [recentCaptures, setRecentCaptures] = useState<{name: string, duration: string}[]>([]);
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const mediaRecorderRef = useRef<MediaRecorder | null>(null);
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const chunksRef = useRef<Blob[]>([]);
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const streamRef = useRef<MediaStream | null>(null);
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const wakeLockRef = useRef<any>(null);
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const countdownRef = useRef<any>(null);
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const mimeTypeRef = useRef('audio/webm');
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const MAX_SECONDS = 60;
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useEffect(() => {
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loadRecentCaptures();
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}, []);
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async function loadRecentCaptures() {
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try {
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const res = await fetch(`${API_URL}/api/captures`);
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if (res.ok) {
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const data = await res.json();
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setRecentCaptures(data.captures || []);
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}
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} catch {}
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}
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async function acquireWakeLock() {
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try {
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if ('wakeLock' in navigator) {
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wakeLockRef.current = await (navigator as any).wakeLock.request('screen');
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}
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} catch {}
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}
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function releaseWakeLock() {
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wakeLockRef.current?.release();
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wakeLockRef.current = null;
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}
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async function startRecording() {
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try {
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if (!streamRef.current || streamRef.current.getTracks().every(t => t.readyState === 'ended')) {
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streamRef.current = await navigator.mediaDevices.getUserMedia({ audio: true });
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}
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const mimeType = MediaRecorder.isTypeSupported('audio/webm') ? 'audio/webm'
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: MediaRecorder.isTypeSupported('audio/mp4') ? 'audio/mp4' : 'audio/ogg';
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mimeTypeRef.current = mimeType;
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chunksRef.current = [];
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const mr = new MediaRecorder(streamRef.current, { mimeType });
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mr.ondataavailable = e => { if (e.data.size > 0) chunksRef.current.push(e.data); };
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mr.onstop = async () => {
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if (chunksRef.current.length === 0) return;
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setState('transcribing');
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try {
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const blob = new Blob(chunksRef.current, { type: mimeTypeRef.current });
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const form = new FormData();
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form.append('file', blob, 'capture.webm');
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const res = await fetch(`${API_URL}/api/capture`, { method: 'POST', body: form });
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if (res.ok) {
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setState('saved');
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await loadRecentCaptures();
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setTimeout(() => setState('idle'), 3000);
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} else {
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setState('error');
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setTimeout(() => setState('idle'), 3000);
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}
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} catch {
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setState('error');
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setTimeout(() => setState('idle'), 3000);
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}
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};
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mr.start(1000);
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mediaRecorderRef.current = mr;
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setState('recording');
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setCountdown(MAX_SECONDS);
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await acquireWakeLock();
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countdownRef.current = setInterval(() => {
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setCountdown(prev => {
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if (prev <= 1) { stopRecording(); return 0; }
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return prev - 1;
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});
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}, 1000);
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} catch {
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setState('error');
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setTimeout(() => setState('idle'), 3000);
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}
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}
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function stopRecording() {
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if (countdownRef.current) { clearInterval(countdownRef.current); countdownRef.current = null; }
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releaseWakeLock();
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mediaRecorderRef.current?.stop();
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}
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function handleTap() {
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if (state === 'recording') stopRecording();
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else if (state === 'idle') startRecording();
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}
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const isRecording = state === 'recording';
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const isBusy = state === 'transcribing';
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return (
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<div style={{
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minHeight: '100dvh',
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background: 'var(--bg)',
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display: 'flex',
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flexDirection: 'column',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingTop: 'max(48px, env(safe-area-inset-top))',
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paddingBottom: 'max(48px, env(safe-area-inset-bottom))',
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paddingLeft: 'max(24px, env(safe-area-inset-left))',
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paddingRight: 'max(24px, env(safe-area-inset-right))',
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fontFamily: 'var(--font-mono)',
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}}>
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{/* Header */}
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<div style={{ textAlign: 'center' }}>
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<p style={{
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fontSize: '10px',
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letterSpacing: '0.15em',
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color: 'var(--text3)',
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textTransform: 'uppercase',
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margin: 0,
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}}>
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Bird — field recorder
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</p>
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</div>
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{/* Main button area */}
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<div style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', gap: '40px' }}>
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{/* Waveform — decorative */}
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<div style={{
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display: 'flex',
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alignItems: 'center',
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gap: '3px',
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height: '40px',
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opacity: isRecording ? 1 : 0.2,
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transition: 'opacity 0.4s ease',
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}}>
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{[4,8,16,6,24,10,32,14,20,8,12,28,6,18,4,22,10,16,8,4].map((h, i) => (
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<div key={i} style={{
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width: '2px',
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height: `${h}px`,
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background: 'var(--accent)',
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borderRadius: '1px',
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animation: isRecording ? `wave ${0.8 + (i % 4) * 0.2}s ease-in-out infinite alternate` : 'none',
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}} />
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))}
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</div>
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{/* Big button */}
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<button
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onPointerUp={handleTap}
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disabled={isBusy}
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style={{
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width: '160px',
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height: '160px',
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borderRadius: '50%',
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border: `1.5px solid ${isRecording ? '#a32d2d' : 'var(--accent)'}`,
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background: isRecording ? 'rgba(163,45,45,0.08)' : 'var(--bg2)',
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cursor: isBusy ? 'not-allowed' : 'pointer',
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display: 'flex',
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alignItems: 'center',
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justifyContent: 'center',
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transition: 'all 0.3s ease',
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touchAction: 'manipulation',
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animation: isBusy ? 'none' : isRecording ? 'recordPulse 1.5s ease-in-out infinite' : 'idlePulse 3s ease-in-out infinite',
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}}
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aria-label={isRecording ? 'Stop recording' : 'Start recording'}
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>
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{isBusy ? (
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<svg width="28" height="28" viewBox="0 0 24 24" fill="currentColor" style={{ color: 'var(--accent)' }}>
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<circle cx="12" cy="12" r="3" opacity="0.6">
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<animate attributeName="opacity" values="0.6;1;0.6" dur="1s" repeatCount="indefinite"/>
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</circle>
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</svg>
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) : isRecording ? (
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<div style={{ width: '24px', height: '24px', background: '#a32d2d', borderRadius: '4px' }} />
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) : (
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<svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="var(--accent)" strokeWidth="1.5">
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<path d="M12 1a4 4 0 0 1 4 4v6a4 4 0 0 1-8 0V5a4 4 0 0 1 4-4z"/>
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<path d="M5 11a7 7 0 0 0 14 0"/>
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<line x1="12" y1="18" x2="12" y2="22"/>
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<line x1="8" y1="22" x2="16" y2="22"/>
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</svg>
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)}
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</button>
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{/* Status */}
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<div style={{ textAlign: 'center', minHeight: '36px' }}>
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{state === 'idle' && (
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<p style={{ fontSize: '11px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
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tap to capture
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</p>
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)}
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{state === 'recording' && (
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<>
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<p style={{ fontSize: '11px', color: '#a32d2d', letterSpacing: '0.12em', textTransform: 'uppercase', margin: '0 0 6px' }}>
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recording
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</p>
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{countdown <= 15 && (
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<p style={{ fontSize: '20px', color: '#a32d2d', letterSpacing: '0.05em', margin: 0 }}>
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{countdown}s
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</p>
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)}
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</>
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)}
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{state === 'transcribing' && (
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<p style={{ fontSize: '11px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
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transcribing...
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</p>
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)}
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{state === 'saved' && (
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<p style={{ fontSize: '11px', color: 'var(--accent)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
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saved ✓
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</p>
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)}
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{state === 'error' && (
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<p style={{ fontSize: '11px', color: '#a32d2d', letterSpacing: '0.12em', textTransform: 'uppercase', margin: 0 }}>
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error — try again
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</p>
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)}
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</div>
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</div>
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{/* Recent captures */}
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<div style={{ width: '100%', maxWidth: '320px' }}>
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<p style={{ fontSize: '9px', color: 'var(--text3)', letterSpacing: '0.12em', textTransform: 'uppercase', margin: '0 0 10px' }}>
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recent captures
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</p>
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{recentCaptures.length === 0 ? (
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<p style={{ fontSize: '10px', color: 'var(--text3)', margin: 0, opacity: 0.5 }}>none yet</p>
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) : (
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<div style={{ display: 'flex', flexDirection: 'column', gap: '6px' }}>
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{recentCaptures.slice(0, 4).map((c, i) => (
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<div key={i} style={{
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display: 'flex',
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alignItems: 'center',
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gap: '8px',
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padding: '8px 10px',
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background: 'var(--bg2)',
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borderRadius: '6px',
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border: '1px solid var(--border)',
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}}>
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<div style={{ width: '4px', height: '4px', borderRadius: '50%', background: 'var(--accent)', flexShrink: 0 }} />
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<span style={{ fontSize: '10px', color: 'var(--text2)', flex: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
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{c.name}
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</span>
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<span style={{ fontSize: '9px', color: 'var(--text3)' }}>{c.duration}</span>
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</div>
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))}
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</div>
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)}
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</div>
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<style>{`
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@keyframes idlePulse {
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0%, 100% { box-shadow: 0 0 0 0 rgba(45,158,107,0); }
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50% { box-shadow: 0 0 0 12px rgba(45,158,107,0.06); }
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}
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@keyframes recordPulse {
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0%, 100% { box-shadow: 0 0 0 0 rgba(163,45,45,0); }
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50% { box-shadow: 0 0 0 16px rgba(163,45,45,0.08); }
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}
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@keyframes wave {
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from { transform: scaleY(0.4); }
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to { transform: scaleY(1.4); }
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}
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`}</style>
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</div>
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);
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}
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