环境：Ubuntu 22.04、Python 3.10.12，依赖为仓库 requirements.txt。检出关联 PR 分支后，在仓库根目录执行以下命令；脚本只在临时目录构造 A 的 Registry，不修改 checkout。

python3 - <<'PY'
from pathlib import Path
from tempfile import TemporaryDirectory
import shutil
import subprocess

from governance.contracts.knowledge import Contract
from evals.test_governance import EXECUTION_TOPIC_TAGS, SYNTHETIC_API_METADATA

BASE = "219cc7c5fb23826ed742ee7c7bed8be6cbbef79e"
root = Path.cwd()
cases = [("new", tag) for tag in EXECUTION_TOPIC_TAGS]
cases += [("unknown", tag + ".unknown") for tag in EXECUTION_TOPIC_TAGS]
cases += [("existing", "topic.implementation.api_layer.c_api")]
with TemporaryDirectory() as temporary:
    baseline = Path(temporary)
    shutil.copytree(root / "governance", baseline / "governance")
    registry = "governance/schemas/registries.yaml"
    (baseline / registry).write_bytes(subprocess.check_output(["git", "show", f"{BASE}:{registry}"]))
    contracts = [Contract(baseline), Contract(root)]
    print("domain,kind,tag,A,B")
    for domain in ("runtime", "ops/ascendc"):
        for kind, tag in cases:
            metadata = dict(SYNTHETIC_API_METADATA, status="draft", sources=[], tags=["task.lookup", tag])
            issues = [contract.validate_card(Path(f"knowledge/{domain}/apis/synthetic_api.md"), metadata,
                                             "# Synthetic API\n") for contract in contracts]
            accepted = [not values for values in issues]
            assert accepted == [kind == "existing", kind != "unknown"], (domain, kind, tag, issues)
            if kind == "unknown":
                assert all("tag.unknown" in {issue.code for issue in values} for values in issues)
            print(",".join([domain, kind, tag, *["accept" if value else "reject" for value in accepted]]))
PY

domain,kind,tag,A,B
runtime,new,topic.implementation.resource_lifecycle,reject,accept
runtime,new,topic.implementation.resource_query,reject,accept
runtime,new,topic.implementation.error_handling,reject,accept
runtime,new,topic.implementation.cross_process,reject,accept
runtime,new,topic.implementation.callback,reject,accept
runtime,new,topic.implementation.kernel_launch,reject,accept
runtime,new,topic.implementation.api_layer.cpp_api,reject,accept
runtime,unknown,topic.implementation.resource_lifecycle.unknown,reject,reject
runtime,unknown,topic.implementation.resource_query.unknown,reject,reject
runtime,unknown,topic.implementation.error_handling.unknown,reject,reject
runtime,unknown,topic.implementation.cross_process.unknown,reject,reject
runtime,unknown,topic.implementation.callback.unknown,reject,reject
runtime,unknown,topic.implementation.kernel_launch.unknown,reject,reject
runtime,unknown,topic.implementation.api_layer.cpp_api.unknown,reject,reject
runtime,existing,topic.implementation.api_layer.c_api,accept,accept
ops/ascendc,new,topic.implementation.resource_lifecycle,reject,accept
ops/ascendc,new,topic.implementation.resource_query,reject,accept
ops/ascendc,new,topic.implementation.error_handling,reject,accept
ops/ascendc,new,topic.implementation.cross_process,reject,accept
ops/ascendc,new,topic.implementation.callback,reject,accept
ops/ascendc,new,topic.implementation.kernel_launch,reject,accept
ops/ascendc,new,topic.implementation.api_layer.cpp_api,reject,accept
ops/ascendc,unknown,topic.implementation.resource_lifecycle.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.resource_query.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.error_handling.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.cross_process.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.callback.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.kernel_launch.unknown,reject,reject
ops/ascendc,unknown,topic.implementation.api_layer.cpp_api.unknown,reject,reject
ops/ascendc,existing,topic.implementation.api_layer.c_api,accept,accept