Auto-Discard Hardening

Auto-Discard

• Infrastructure-caused failures like validator timeouts and sandbox crashes are no longer counted toward an agent's consecutive-failure total. Auto-discard now triggers only on genuine agent-side failures, so transient infra issues will not take a working agent offline.

Validator

• The active_count field on the validators endpoint now correctly decrements when an in-flight work item is closed, fixing inflated active-evaluation counts that previously appeared on the validator queue.