Track a deploy command (Bash matching the deploy regex, or the
deploy-html skill) as in-flight from tool_use to its tool_result, and
surface it as a gated `deploying` field (only true while the
conversation itself is running) — same shape as `runningAgents`. The
list card renders an amber spinner pill next to the subagent chips.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>