ui: reduce per-token render cost when streaming (#26053)

* performance harness - the empirical root Assisted-by: Claude Opus 4.8 * 210.36ms -> 2.67ms per streamed token Assisted-by: Claude Opus 4.8 * 11.58ms -> 0.62ms per streamed token Assisted-by: Claude Opus 4.8 * 22.02ms -> 3.33ms per streamed token Assisted-by: Claude Opus 4.8 * 3.07ms -> 1.36ms per streamed token at 40 messages Assisted-by: Claude Opus 4.8 --------- Co-authored-by: Zach Winter <dmtommy@icloud.com>
2026-07-24 22:09:46 +02:00
parent 96013c5112
commit 555881ebc8
18 changed files with 1037 additions and 35 deletions
@@ -0,0 +1,16 @@
+<script lang="ts">
+	import * as Tooltip from '$lib/components/ui/tooltip';
+	import ChatMessageAgenticContent from '$lib/components/app/chat/ChatMessages/ChatMessageAgenticContent.svelte';
+	import { perfState } from './agentic-perf-state.svelte';
+</script>
+
+<Tooltip.Provider>
+	{#if perfState.message}
+		<ChatMessageAgenticContent
+			message={perfState.message}
+			toolMessages={perfState.toolMessages}
+			isStreaming={perfState.isStreaming}
+			isLastAssistantMessage
+		/>
+	{/if}
+</Tooltip.Provider>