样式修改

apps/ui/src/App.tsx

@@ -138,12 +138,12 @@ const IMAGE_ATTACHMENT_EXTENSIONS = new Set([".png", ".jpg", ".jpeg", ".webp", "
 const DOCUMENT_ATTACHMENT_EXTENSIONS = new Set([".pdf", ".ppt", ".pptx", ".xls", ".xlsx", ".csv", ".tsv", ".doc", ".docx", ".txt", ".md", ".json", ".mp3"]);
 const SUPPORTED_ATTACHMENT_EXTENSIONS = new Set([...IMAGE_ATTACHMENT_EXTENSIONS, ...DOCUMENT_ATTACHMENT_EXTENSIONS]);
 const COMPOSER_ATTACHMENT_ACCEPT = [...SUPPORTED_ATTACHMENT_EXTENSIONS].join(",");
-const COMPOSER_TEXTAREA_DEFAULT_MIN_HEIGHT = 48;
-const COMPOSER_TEXTAREA_SAFE_MIN_HEIGHT = 38;
-const COMPOSER_TEXTAREA_MAX_HEIGHT = 188;
-const COMPOSER_TEXTAREA_DEFAULT_RATIO = 0.145;
-const COMPOSER_TEXTAREA_MIN_RATIO = 0.12;
-const COMPOSER_TEXTAREA_MAX_RATIO = 0.32;
+const COMPOSER_TEXTAREA_DEFAULT_MIN_HEIGHT = 38;
+const COMPOSER_TEXTAREA_SAFE_MIN_HEIGHT = 30;
+const COMPOSER_TEXTAREA_MAX_HEIGHT = 150;
+const COMPOSER_TEXTAREA_DEFAULT_RATIO = 0.116;
+const COMPOSER_TEXTAREA_MIN_RATIO = 0.096;
+const COMPOSER_TEXTAREA_MAX_RATIO = 0.256;
 
 function getComposerTextareaBounds(workspaceHeight: number): { min: number; max: number } {
   const safeWorkspaceHeight = Number.isFinite(workspaceHeight) && workspaceHeight > 0 ? workspaceHeight : 0;
@@ -313,6 +313,24 @@ function buildUserMessage(content: string): UiChatMessage {
   };
 }
 
+function formatMessageTimestamp(value: string): string {
+  const date = new Date(value);
+  if (Number.isNaN(date.getTime())) {
+    return value;
+  }
+
+  const pad = (part: number) => String(part).padStart(2, "0");
+  return [
+    date.getFullYear(),
+    pad(date.getMonth() + 1),
+    pad(date.getDate())
+  ].join("-") + " " + [
+    pad(date.getHours()),
+    pad(date.getMinutes()),
+    pad(date.getSeconds())
+  ].join(":");
+}
+
 function buildAssistantPlaceholder(statusLabel: string): UiChatMessage {
   return {
     id: createClientMessageId("assistant"),
@@ -549,7 +567,7 @@ function renderExpertIcon(expertKey: ExpertVisualKey): ReactNode {
 
 function getIntentSuggestionIcon(platform?: string): ReactNode {
   const normalized = platform?.trim().toLowerCase();
-  if (normalized === "xiaohongshu") {
+  if (normalized === "xiaohongshu" || normalized === "xhs" || normalized === "rednote") {
     return <RedBookIcon />;
   }
   if (normalized === "douyin") {
@@ -2199,7 +2217,7 @@ export default function App() {
   const [isComposerDragOver, setIsComposerDragOver] = useState(false);
   const [isComposerResizeActive, setIsComposerResizeActive] = useState(false);
   const [composerTextareaRatio, setComposerTextareaRatio] = useState(COMPOSER_TEXTAREA_DEFAULT_RATIO);
-  const [composerTextareaHeight, setComposerTextareaHeight] = useState(96);
+  const [composerTextareaHeight, setComposerTextareaHeight] = useState(77);
   const [composerWorkspaceHeight, setComposerWorkspaceHeight] = useState(0);
   const [copiedToken, setCopiedToken] = useState("");
   const activeStreamRef = useRef<ActiveStreamState | null>(null);
@@ -4773,6 +4791,7 @@ export default function App() {
                 </div>
               ) : null}
             </div>
+            <span className="message-timestamp" aria-hidden="true">{formatMessageTimestamp(message.createdAt)}</span>
             {message.role === "assistant" && canCopyMessage ? (
               <div className="message-card-actions">
                 <button
@@ -4825,7 +4844,7 @@ export default function App() {
     </div>
   );
   const conversationStatusNotice = showInlineStartupNotice ? (
-    <div className={"notice" + (chatLaunchState === "error" ? " error" : " toast-notice")}>
+    <div className={"notice" + (chatLaunchState === "error" ? " error" : " toast-notice")} role={chatLaunchState === "error" ? "alert" : "status"} aria-live="polite">
       {startupCurtainStatus}
     </div>
   ) : null;
@@ -4843,20 +4862,11 @@ export default function App() {
           {pendingHomeIntentSuggestion.suggestion.projectDisplayName}
           {ui.suggestionSwitchSuffix}
         </p>
-        <span>
-          {pendingHomeIntentSuggestion.suggestion.reason}
-          {pendingHomeIntentSuggestion.suggestion.matchedAliases.length
-            ? ` · ${pendingHomeIntentSuggestion.suggestion.matchedAliases.join(" / ")}`
-            : ""}
-        </span>
       </div>
       <div className="home-intent-suggestion-actions">
         <button type="button" className="secondary" disabled={homeIntentDecisionPending} onClick={() => void continuePendingHomePromptInHome()}>
           {ui.suggestionContinue}
         </button>
-        <button type="button" className="secondary home-intent-suggestion-dismiss" disabled={homeIntentDecisionPending} onClick={dismissPendingHomeIntentSuggestion}>
-          {ui.suggestionDismiss}
-        </button>
         <button type="button" disabled={homeIntentDecisionPending} onClick={() => void switchExpertAndContinuePendingHomePrompt()}>
           {ui.suggestionSwitchAction}
         </button>
@@ -5155,8 +5165,8 @@ export default function App() {
         </div>
       </aside>
       <div className={"main-shell" + (isConversationView ? " conversation-main-layout" : "") + (viewMode === "settings" ? " settings-main-shell" : "")}>
-        {infoText ? <div className="notice toast-notice">{infoText}</div> : null}
-        {errorText ? <div className="notice error">{errorText}</div> : null}
+        {infoText ? <div className="notice toast-notice" role="status" aria-live="polite">{infoText}</div> : null}
+        {errorText ? <div className="notice error" role="alert">{errorText}</div> : null}
         <main className={"content-area" + (isConversationView ? " conversation-content-area" : "")}>
           {isConversationView ? (
             <section className="chat-panel conversation-panel">