feat(consult): type out streamed text at a capped pace and write the tail out on settle instead of one frame (T3, BUG-1075)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0199rbQDTsUbCVw84wc8BTFe

frontend/src/components/chat-message-row.tsx

@@ -145,7 +145,7 @@ export const ChatMessageRow = memo(function ChatMessageRow({
               <div className="consultation-thinking-report">
                 <ConsultationRunTimeline
                   rows={consultTimeline}
-                  live={showActivity && message.state !== "settled"}
+                  live={showActivity && message.state !== "settled" && !message.settling}
                   vargaSentence={vargaSentence}
                 />
                 {hasAnswer ? (