Trace and debug eve subagents in Vercel Observability. Explore nested runs, prompts, durations, failures, costs, token usage, model calls, and tool calls.
Continuing the cache TTL audit series, this time breaking down by model. The server silently switched main agent models three times (Opus 4.6 → Sonnet 4.6 → Opus 4.7 → Sonnet 4.6), and Claude Code autonomously assigns sub-agent models.…