X-Wever-Agent-Key
Accepted key prefix: wlak_agent_key_.
Validate X-Wever-Agent-Key, Idempotency-Key, rail_key, allowed_rails, and required_scope before production writes create records.
Agents include X-Wever-Agent-Key and Idempotency-Key when calling scoped write surfaces.
Accepted key prefix: wlak_agent_key_.
Required for scoped writes and retries.
accepted or rejected with error reasons.