feat(runtime): heartbeat immediately after claim

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a06ba0-10aa-7ea0-b20a-4f3fac39efe9

scripts/verify-recovery-contracts.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Deterministic recovery gate; live host drills remain separately required.
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+cd "${REPO_ROOT}"
+
+PYTHON_BIN="${REIN_CONTRACT_PYTHON:-${REPO_ROOT}/.venv/bin/python}"
+"${PYTHON_BIN}" -c 'import glas_harness.contract, llm_connect, sandboxer.models'
+PYTHONPATH="${REPO_ROOT}:${REPO_ROOT}/../llm-connect" \
+  "${PYTHON_BIN}" -m pytest \
+  tests/test_claim_loop.py::test_process_one_initial_heartbeat_rejection_refuses_dispatch \
+  tests/test_claim_loop.py::test_process_one_lease_loss_cancels_registered_adapter_process \
+  tests/test_claim_loop.py::test_profiled_close_failure_happens_after_repository_lock_release \
+  tests/test_claim_loop.py::test_response_lost_close_replays_without_reexecuting_workload \
+  tests/test_claim_loop.py::test_pending_close_failure_blocks_new_claim \
+  tests/test_claim_loop.py::test_permanent_close_refusal_is_quarantined_before_claim \
+  tests/test_repository_transaction.py::test_exception_releases_lock_for_next_transaction \
+  tests/test_glas_execution.py::test_profiled_run_refuses_success_if_cancelled_during_gateway \
+  -q