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feat(a2ui-playground): add select for playback #2619

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Merged
gaoachao merged 1 commit into from
May 13, 2026
Merged

feat(a2ui-playground): add select for playback #2619

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50 changes: 50 additions & 0 deletions packages/genui/a2ui-playground/src/pages/PlaybackPage.css
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
border-bottom: 1px solid var(--geist-border);
background: var(--geist-background);
flex-shrink: 0;
flex-wrap: wrap;
}

.playbackPanelTitle {
Expand All @@ -45,6 +46,22 @@
text-transform: uppercase;
}

.playbackScenarioSelect {
font-size: 12px;
padding: 3px 6px;
border-radius: 6px;
border: 1px solid var(--geist-border);
background: var(--geist-background);
color: var(--geist-foreground);
cursor: pointer;
max-width: 200px;
}

.playbackScenarioSelect:focus {
outline: none;
border-color: var(--geist-foreground);
}

.playbackControls {
display: flex;
align-items: center;
Expand Down Expand Up @@ -199,3 +216,36 @@
text-transform: uppercase;
letter-spacing: 0.06em;
}

/* ── Responsive ── */
@media (max-width: 980px) {
.playbackPage {
flex-direction: column;
}

.playbackStreamPanel {
flex: 0 0 auto;
min-height: 260px;
max-height: 340px;
border-right: none;
border-bottom: 1px solid var(--geist-border);
}

.playbackScenarioSelect {
max-width: 100%;
width: 100%;
}

.playbackPreviewPanel {
width: 100%;
flex: 1;
border-left: none;
border-top: 1px solid var(--geist-border);
min-height: 480px;
}

.playbackControls {
flex-wrap: wrap;
gap: 6px;
}
}
44 changes: 19 additions & 25 deletions packages/genui/a2ui-playground/src/pages/PlaybackPage.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -5,14 +5,19 @@ import { useCallback, useEffect, useMemo, useRef, useState } from 'react';

import './PlaybackPage.css';

import { PLAYBACK_SCENARIOS } from '../demos.js';
import { DYNAMIC_PRESETS, STATIC_DEMOS } from '../demos.js';
import { DEFAULT_A2UI_DEMO_URL } from '../utils/demoUrl.js';
import type { Protocol } from '../utils/protocol.js';

type PlayState = 'idle' | 'playing' | 'paused' | 'done';

const STREAM_DELAY_MS = 800;

const ALL_SCENARIOS = [
...STATIC_DEMOS,
...DYNAMIC_PRESETS,
];

function formatChunk(msg: unknown): string {
return JSON.stringify(msg, null, 2);
}
Expand All @@ -21,7 +26,7 @@ export function PlaybackPage(props: { protocol: Protocol }) {
const { protocol } = props;

const [scenarioId, setScenarioId] = useState<string>(
PLAYBACK_SCENARIOS[0]?.id ?? '',
ALL_SCENARIOS[0]?.id ?? '',
);
const [playState, setPlayState] = useState<PlayState>('idle');
const [currentIndex, setCurrentIndex] = useState(-1);
Expand All @@ -36,8 +41,8 @@ export function PlaybackPage(props: { protocol: Protocol }) {
null,
);

const currentScenario = PLAYBACK_SCENARIOS.find((s) => s.id === scenarioId)
?? PLAYBACK_SCENARIOS[0];
const currentScenario = ALL_SCENARIOS.find((s) => s.id === scenarioId)
?? ALL_SCENARIOS[0];
const messages = Array.isArray(currentScenario?.messages)
? currentScenario.messages
: [];
Expand Down Expand Up @@ -150,30 +155,19 @@ export function PlaybackPage(props: { protocol: Protocol }) {

return (
<div className='playbackPage'>
<aside className='sidebar'>
<div className='sidebarSection'>
<div className='sidebarHeading'>Scenarios</div>
<div className='scenarioList'>
{PLAYBACK_SCENARIOS.map((s) => (
<button
key={s.id}
type='button'
className={s.id === scenarioId
? 'scenarioItem active'
: 'scenarioItem'}
onClick={() => handleSelectScenario(s.id)}
>
<span className='scenarioName'>{s.title}</span>
</button>
))}
</div>
</div>
</aside>

<div className='playbackStreamPanel'>
<div className='playbackPanelHeader'>
<span className='playbackPanelTitle'>JSONL Stream</span>
<span className='playbackPanelTitle'>Message Stream</span>
<span className='playbackPanelBadge'>JSONL</span>
<select
className='playbackScenarioSelect'
value={scenarioId}
onChange={(e) => handleSelectScenario(e.target.value)}
>
{ALL_SCENARIOS.map((s) => (
<option key={s.id} value={s.id}>{s.title}</option>
))}
</select>
<div className='spacer' />
<div className='playbackControls'>
<label className='simSpeedLabel' htmlFor='pbSpeedSlider'>
Expand Down
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