feat: align frontend runtime and Edge TTS

src/features/agent/components/agent-collapsed-rail.tsx

@@ -8,28 +8,35 @@ import { AgentPersona } from "./agent-persona";
 
 type AgentCollapsedRailProps = {
   personaState?: PersonaState;
+  statusLabel?: string;
   onExpand: () => void;
 };
 
-export function AgentCollapsedRail({ personaState, onExpand }: AgentCollapsedRailProps) {
+export function AgentCollapsedRail({
+  personaState,
+  statusLabel = "Agent 已就绪",
+  onExpand
+}: AgentCollapsedRailProps) {
+  const expandLabel = `展开 Agent 助手面板，当前状态：${statusLabel}`;
+
   return (
     <aside
       aria-label="Agent 折叠栏"
       className={cn(
-        "agent-rail-enter acrylic-panel pointer-events-auto w-[136px] border p-1.5",
+        "agent-rail-enter acrylic-panel pointer-events-auto w-[72px] border p-1.5",
         MAP_MAJOR_PANEL_RADIUS_CLASS_NAME
       )}
     >
       <button
         type="button"
-        aria-label="展开排水助手面板"
-        title="展开排水助手面板"
+        aria-label={expandLabel}
+        title={expandLabel}
         onClick={onExpand}
-        className="agent-rail-item surface-control group flex h-14 w-full items-center justify-center gap-4 rounded-xl border px-3 transition-[background-color,transform] hover:bg-white active:scale-95"
+        className="agent-rail-item surface-control group relative flex h-14 w-full items-center justify-center rounded-xl border transition-[background-color,transform] hover:bg-white active:scale-95"
       >
-        <AgentPersona className="h-12 w-12" state={personaState} />
-        <span className="agent-panel-primary-icon grid h-8 w-8 shrink-0 place-items-center rounded-lg border-0! transition-transform group-hover:translate-x-0.5">
-          <ChevronRight size={17} strokeWidth={2.25} aria-hidden="true" />
+        <AgentPersona className="h-11 w-11" state={personaState} />
+        <span className="agent-panel-primary-icon absolute bottom-0.5 right-0.5 grid h-5 w-5 place-items-center rounded-md border-0! shadow-xs transition-transform group-hover:translate-x-0.5">
+          <ChevronRight size={13} strokeWidth={2.5} aria-hidden="true" />
         </span>
       </button>
     </aside>