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fix(x): sub-agent card says what it's doing when collapsed

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The collapsed card read just "Sub-agent:" — zero information, and the
expanded view showed the task twice (the task chip plus the child
transcript's opening user message, which IS the task).

The title is now "<Humanized name>: <task>" ("London weather: Find the
current weather…"), truncated by the header with the full text on
hover; "Agent" when the model gave no name. The redundant task chip is
gone — the child transcript's first message carries the task.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Ramnique Singh 2026-07-09 06:29:35 +05:30
parent f546d1ad59
commit 06fe337520
1 changed files with 16 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

30
apps/x/apps/renderer/src/components/sub-agent-block.tsx
View file

@ -1,5 +1,4 @@
import { useEffect, useState } from 'react'
import { Bot } from 'lucide-react'
import { Tool, ToolContent, ToolHeader } from '@/components/ai-elements/tool'
import { CompactConversation } from '@/components/compact-conversation'
import { fetchAgentRunTranscript, type AgentRunTranscript } from '@/lib/agent-transcript'
@ -42,6 +41,12 @@ function useChildTranscript(
return transcript
}
// "london-weather" / "meeting_prep" → "London weather" / "Meeting prep".
function humanizeName(name: string): string {
const words = name.replace(/[-_]+/g, ' ').trim()
return words ? words.charAt(0).toUpperCase() + words.slice(1) : ''
}
export function SubAgentBlock({
item,
open,
@ -54,27 +59,24 @@ export function SubAgentBlock({
const input = item.input as
| { name?: string; agent_id?: string; task?: string }
| undefined
const agentName = item.subAgent?.agentName ?? input?.agent_id ?? input?.name ?? 'subagent'
const task = item.subAgent?.task ?? input?.task ?? ''
const rawName = item.subAgent?.agentName || input?.agent_id || input?.name || ''
const name = rawName === 'subagent' ? '' : humanizeName(rawName)
const task = (item.subAgent?.task || input?.task || '').trim()
// The collapsed row must say what is happening, not just that an agent
// exists: lead with the name when the model gave one, then the task (the
// header truncates with a hover tooltip carrying the full text).
const title = task ? `${name || 'Agent'}: ${task}` : name || 'Agent'
const running = item.status === 'pending' || item.status === 'running'
const transcript = useChildTranscript(item.subAgent?.childTurnId, running, open)
return (
<Tool open={open} onOpenChange={onOpenChange}>
<ToolHeader
title={`Sub-agent: ${agentName}`}
type="tool-spawn-agent"
state={toToolState(item.status)}
/>
<ToolHeader title={title} type="tool-spawn-agent" state={toToolState(item.status)} />
<ToolContent>
<div className="flex flex-col gap-3 px-4 pb-4">
{task && (
<div className="flex items-start gap-2 rounded-2xl bg-secondary/50 px-3 py-2 text-sm text-muted-foreground">
<Bot className="mt-0.5 size-4 shrink-0" />
<span className="whitespace-pre-wrap">{task}</span>
</div>
)}
{transcript ? (
// The transcript opens with the child's user message — the task —
// so no separate task chip is rendered here.
<CompactConversation items={transcript.items} />
) : (
<div className="px-1 text-sm text-muted-foreground">