Agent state

AgentTimeline

Vertical chronological stream of agent events — thought, tool, message, error, system. Filter pills scope the view; optional groupByAgent splits concurrent agents into parallel lanes.

Sourcesrc/components/ai/agent-timeline.tsx

Single-agent run

Five event types on one rail, with duration chips on tool calls.

Filter5/5

10:00:00System
Run started
10:00:02Thought
Plan: fetch docs, then summarise.
10:00:04Tool420ms
fetch(docs.stripe.com)
10:00:06Message
Found 3 relevant sections.
10:00:09Error
Rate limit hit
429 from provider; backing off 2s.

Grouped by agent

Two agents running in parallel, split into swimlanes.

Filter4/4

◆ planner

10:00:00Thought
Planning
10:00:05Message
Plan ready

◆ researcher

10:00:03Tool320ms
search_web
10:00:07Tool180ms
fetch_page