Drives PICLOUD_MAX_EMISSIONS_PER_EXECUTION through the live pubsub::publish_durable surface (not just the emit_budget counter): a 1001-publish loop errors naming the budget and the service sees at most 1000. Mutation-verified (removing charge_emission from publish fails it). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>