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Merged
Sherry-hue merged 1 commit into from
May 19, 2026
Merged

feat(a2ui): chat add action request and response #2667

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28 changes: 28 additions & 0 deletions packages/genui/a2ui-playground/lynx-src/a2ui/App.tsx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ interface InitData {
playbackMode?: boolean;
theme?: 'light' | 'dark';
playbackPaused?: boolean;
liveAction?: boolean;
}

type Theme = 'light' | 'dark';
Expand Down Expand Up @@ -211,6 +212,12 @@ function normalizeInitDataLike(raw: unknown): InitData {
out.theme = theme.toLowerCase() as Theme;
}

const liveAction = obj.liveAction;
if (liveAction !== undefined) {
out.liveAction = liveAction === true || liveAction === '1'
|| liveAction === 1;
}

return out;
}

Expand All @@ -224,6 +231,7 @@ function mergeInitDataPreferLeft(a: InitData, b: InitData): InitData {
playbackMode: a.playbackMode ?? b.playbackMode,
playbackPaused: a.playbackPaused ?? b.playbackPaused,
theme: a.theme ?? b.theme,
liveAction: a.liveAction ?? b.liveAction,
};
}

Expand Down Expand Up @@ -414,6 +422,18 @@ export function App() {
},
);

useLynxGlobalEventListener(
'A2UI_ACTION_RESPONSE',
(messages: unknown) => {
const currentStore = storeRef.current;
if (!currentStore) return;
const normalized = normalizeProtocolMessages(messages);
for (const msg of normalized) {
currentStore.push(msg);
}
},
);

useEffect(() => {
playbackPausedRef.current = isPlaybackPaused;
}, [isPlaybackPaused]);
Expand Down Expand Up @@ -516,6 +536,14 @@ export function App() {
messageStore={store}
catalogs={ALL_BUILTINS}
onAction={(action) => {
if (effectiveData.liveAction) {
NativeModules.bridge.call(
'A2UI_USER_ACTION',
action as unknown as Record<string, unknown>,
() => undefined,
);
return;
}
// Forward user actions to the mock agent — it pushes
// the canned response messages back into the same store.
void agentRef.current?.onAction(action);
Expand Down
251 changes: 241 additions & 10 deletions packages/genui/a2ui-playground/src/pages/AIChatPage.css
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
display: flex;
flex-direction: column;
min-width: 0;
min-height: 0;
}

.chatHeader {
Expand Down Expand Up @@ -62,6 +63,7 @@

.chatMessages {
flex: 1;
min-height: 0;
overflow-y: auto;
padding: 20px;
display: flex;
Expand All @@ -76,6 +78,7 @@
font-size: 14px;
line-height: 1.5;
word-break: break-word;
flex-shrink: 0;
}

.chatMessageUser {
Expand All @@ -92,14 +95,202 @@
border-bottom-left-radius: 4px;
}

.chatGeneratedJson {
.chatMessageAction {
align-self: center;
max-width: 90%;
padding: 6px 12px;
background: transparent;
border: 1px dashed var(--geist-border);
border-radius: 999px;
color: var(--geist-secondary);
font-size: 12px;
font-family: var(--geist-mono);
}

.chatMessageActionPending {
display: inline-flex;
align-items: center;
gap: 8px;
}

.chatMessageActionSpinner {
width: 12px;
height: 12px;
border: 1.5px solid
color-mix(in srgb, var(--geist-secondary) 35%, transparent);
border-top-color: var(--geist-secondary);
border-radius: 50%;
display: inline-block;
animation: chat-message-action-spin 0.8s linear infinite;
flex-shrink: 0;
}

@keyframes chat-message-action-spin {
to {
transform: rotate(360deg);
}
}

.chatMessageAction.chatMessageActionExpanded {
align-self: flex-start;
width: 100%;
max-width: 100%;
max-width: 80%;
padding: 0;
border: 1px solid var(--geist-border);
border-radius: var(--geist-radius-md);
background: var(--geist-surface);
overflow: hidden;
}

.chatMessageStatus {
align-self: stretch;
display: flex;
align-items: center;
gap: 8px;
max-width: 100%;
padding: 6px 10px;
border: none;
border-radius: var(--geist-radius-md);
background: transparent;
color: var(--geist-secondary);
font-size: 12px;
font-family: var(--geist-mono);
line-height: 1.5;
}

.chatMessageStatus .chatMessageBody {
display: inline-flex;
align-items: center;
gap: 8px;
flex-wrap: wrap;
}

.chatMessageStatusIcon {
font-size: 14px;
line-height: 1;
flex-shrink: 0;
}

.chatMessageStatusInline {
padding: 1px 6px;
border: 1px solid var(--geist-border);
border-radius: 4px;
background: var(--geist-surface);
color: var(--geist-foreground);
font-family: var(--geist-mono);
font-size: 11px;
}

.chatMessageStatus-info {
color: var(--geist-secondary);
}

.chatMessageStatus-pending {
color: var(--geist-foreground);
}

.chatMessageStatus-success {
color: color-mix(
in srgb,
var(--geist-success, #0a7d2c) 92%,
var(--geist-foreground)
);
}

.chatMessageStatus-error {
color: color-mix(
in srgb,
var(--geist-error, #c0392b) 92%,
var(--geist-foreground)
);
}

.chatMessageAction.chatMessageActionExpanded .chatMessageBody {
padding: 8px 12px;
border-bottom: 1px solid var(--geist-border);
background: var(--geist-background);
color: var(--geist-foreground);
}

.chatMessageJson {
align-self: flex-start;
width: 100%;
max-width: 80%;
padding: 0;
border: 1px solid var(--geist-border);
border-radius: var(--geist-radius-md);
background: var(--geist-surface);
overflow: hidden;
background: var(--geist-code-bg);
}

.chatMessageJson .chatMessageBody {
display: flex;
align-items: center;
min-height: 34px;
padding: 0 12px;
border-bottom: 1px solid var(--geist-border);
background: var(--geist-background);
color: var(--geist-secondary);
font-size: 11px;
font-weight: 700;
letter-spacing: 0.04em;
text-transform: uppercase;
}

.chatMessagePayload {
display: flex;
flex-direction: column;
}

.chatMessagePayloadLabel {
padding: 6px 12px;
border-bottom: 1px solid var(--geist-border);
background: var(--geist-background);
color: var(--geist-secondary);
font-size: 10px;
font-weight: 700;
letter-spacing: 0.06em;
text-transform: uppercase;
}

.chatMessagePayloadEditor .cm-editor {
height: auto;
max-height: 320px;
font-family: var(--geist-mono);
font-size: 12px;
background: var(--geist-surface);
color: var(--geist-foreground);
}

.chatMessagePayloadEditor .cm-scroller {
max-height: 320px;
overflow: auto;
}

.chatMessagePayloadEditor .cm-gutters {
background: color-mix(in srgb, var(--geist-surface) 88%, var(--geist-border));
color: var(--geist-secondary);
border-right: 1px solid
color-mix(in srgb, var(--geist-border) 82%, transparent);
}

.chatMessagePayloadEditor .cm-content {
caret-color: var(--geist-foreground);
}

.chatMessagePayloadEditor .cm-activeLine,
.chatMessagePayloadEditor .cm-activeLineGutter {
background: color-mix(in srgb, var(--geist-foreground) 4%, transparent);
}

.chatGeneratedJson {
width: 100%;
max-width: 80%;
align-self: flex-start;
border: 1px solid var(--geist-border);
border-radius: var(--geist-radius-md);
overflow: hidden;
background: var(--geist-surface);
flex-shrink: 0;
}

Expand Down Expand Up @@ -131,39 +322,79 @@

.chatGeneratedJsonEditor .cm-editor {
height: auto;
max-height: 400px;
max-height: 480px;
font-family: var(--geist-mono);
font-size: 13px;
background: var(--geist-code-bg);
color: var(--geist-code-fg);
background: var(--geist-surface);
color: var(--geist-foreground);
}

.chatGeneratedJsonEditor .cm-scroller {
max-height: 400px;
max-height: 480px;
overflow: auto;
}

.chatGeneratedJsonEditor .cm-gutters {
background: color-mix(in srgb, var(--geist-code-bg) 88%, black);
color: color-mix(in srgb, var(--geist-code-fg) 58%, white);
background: color-mix(in srgb, var(--geist-surface) 88%, var(--geist-border));
color: var(--geist-secondary);
border-right: 1px solid
color-mix(in srgb, var(--geist-border) 82%, transparent);
}

.chatGeneratedJsonEditor .cm-activeLine,
.chatGeneratedJsonEditor .cm-activeLineGutter {
background: color-mix(in srgb, var(--geist-background) 12%, transparent);
background: color-mix(in srgb, var(--geist-foreground) 4%, transparent);
}

.chatInputArea {
padding: 12px 20px;
border-top: 1px solid var(--geist-border);
background: var(--geist-background);
display: flex;
flex-direction: column;
gap: 8px;
flex-shrink: 0;
}

.chatSuggestionsRow {
display: flex;
flex-wrap: wrap;
gap: 6px;
}

.chatSuggestionChip {
display: inline-flex;
align-items: center;
height: 28px;
padding: 0 12px;
border: 1px solid var(--geist-border);
border-radius: 999px;
background: var(--geist-surface);
color: var(--geist-foreground);
font-size: 12px;
font-weight: 500;
cursor: pointer;
transition:
background var(--geist-transition),
border-color var(--geist-transition);
white-space: nowrap;
}

.chatSuggestionChip:hover {
background: color-mix(in srgb, var(--geist-surface) 80%, var(--geist-border));
border-color: var(--geist-foreground);
}

.chatSuggestionChip:disabled {
opacity: 0.45;
cursor: not-allowed;
}

.chatInputRow {
display: flex;
gap: 8px;
}

.chatInput {
flex: 1;
height: 40px;
Expand Down
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