vrc.tl returns 403 for the VPS IP range. Route lookups through a relay Worker (relay/), configured via vrctl.relayUrl/relaySecret in config.json. Also handle events without eventSlots/performers instead of crashing. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01MrxnVXujrZqNrENxJZfVkU