feat(dotnet): add idempotency contract harness

tools/validate_dotnet_idempotency_contract_v1.py

@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import json
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+
+def load_yaml(path: Path) -> dict[str, Any]:
+    if not path.exists():
+        raise FileNotFoundError(path)
+    return yaml.safe_load(path.read_text(encoding="utf-8"))
+
+
+def main(argv: list[str] | None = None) -> int:
+    parser = argparse.ArgumentParser(description="Validate WBS-10 dotnet idempotency contract")
+    parser.add_argument("--contract", default="docs/WBS_10_DOTNET_IDEMPOTENCY_CONTRACT.yaml")
+    args = parser.parse_args(argv)
+
+    contract_path = Path(args.contract).resolve()
+    payload: dict[str, Any] = {
+        "formula_id": "WBS_10_DOTNET_IDEMPOTENCY_CONTRACT_V1",
+        "gate": "FAIL",
+        "missing": [],
+        "evidence": {"contract": str(contract_path)},
+    }
+
+    try:
+        data = load_yaml(contract_path)
+    except FileNotFoundError:
+        payload["missing"].append("contract missing")
+        print(json.dumps(payload, ensure_ascii=False, indent=2))
+        return 1
+
+    if data.get("formula_id") != "WBS_10_DOTNET_IDEMPOTENCY_CONTRACT_V1":
+        payload["missing"].append("formula_id")
+    if data.get("goal") != "중복 실행 방지, lock/lease 정책, 재시도 경계를 표준화한다.":
+        payload["missing"].append("goal")
+
+    if data.get("lock_domain", {}).get("canonical_table") != "quantengine.workspace_lock":
+        payload["missing"].append("lock_domain.canonical_table")
+    if data.get("idempotency_key", {}).get("required") is not True:
+        payload["missing"].append("idempotency_key.required")
+    if data.get("lease_policy", {}).get("required") is not True:
+        payload["missing"].append("lease_policy.required")
+
+    policy = data.get("lease_policy") or {}
+    retry = policy.get("retry_policy") or {}
+    if retry.get("max_attempts") != 3:
+        payload["missing"].append("lease_policy.retry_policy.max_attempts")
+    if retry.get("backoff") != "exponential":
+        payload["missing"].append("lease_policy.retry_policy.backoff")
+
+    guards = data.get("duplicate_execution_guards") or []
+    if not guards:
+        payload["missing"].append("duplicate_execution_guards")
+
+    payload["gate"] = "PASS" if not payload["missing"] else "FAIL"
+    payload["message"] = (
+        "WBS-10 dotnet idempotency contract validation passed."
+        if payload["gate"] == "PASS"
+        else "WBS-10 dotnet idempotency contract validation failed."
+    )
+
+    out_path = contract_path.parent.parent / "Temp" / "wbs_10_dotnet_idempotency_contract_v1.json"
+    out_path.parent.mkdir(parents=True, exist_ok=True)
+    out_path.write_text(json.dumps(payload, ensure_ascii=False, indent=2), encoding="utf-8")
+    print(json.dumps(payload, ensure_ascii=False, indent=2))
+    return 0 if payload["gate"] == "PASS" else 1
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())