scheduler-status

Build the abi CLI and smoke-test the one-shot scheduler surface — run abi scheduler status, assert the probe task ran to completion (completed=1 total_tasks=1 failed=0), and assert the always-on Prometheus telemetry block. Use to run/smoke-test the abi scheduler, check scheduler stats/status output, or verify the one-shot task-submission accounting after touching abi-core scheduler or telemetry. Fully local;…