Sub-Agent Color is not being applied

Description

When specify the color value in an agent configuration, it's not being applied in the TUI.

AI response, for what it's worth.

I found the bug. In packages/tui/src/context/local.tsx, the color() function uses visibleAgents() which explicitly excludes all subagents:
const visibleAgents = createMemo(() => sync.data.agent.filter((agent) => agent.mode !== "subagent" && !agent.hidden))
color(name: string) {
  const index = visibleAgents().findIndex((x) => x.name === name)  // ← BUG
  if (index === -1) return colors()[0]  // ← falls back to cycling color
  const agent = visibleAgents()[index]

  if (agent?.color) {
    const color = agent.color
    if (color.startsWith("#")) return RGBA.fromHex(color)
    return theme[color as keyof typeof theme] as RGBA
  }
  return colors()[index % colors().length]
}
Your three agents (commit-message-generator, pr-status-monitor, sem-code-reviewer) are all mode: subagent. Since visibleAgents() filters them out, findIndex returns -1, and the function falls back to cycling colors.
The fix: change visibleAgents() to agents() inside color() so it can look up subagents by name.

We should either fix this or update the documentation to say this field doesn't work for sub-agents.

Plugins

No response

OpenCode version

1.18.15

Steps to reproduce

1. Create a sub-agent Markdown file specifying color.
2. Start OpenCode
3. Trigger the use of the agent.
4. The correct color isn't show in the TUI.

Screenshot and/or share link

Operating System

macOSX 26.6.1

Terminal

Alacritty