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248 lines
10 KiB
Python
248 lines
10 KiB
Python
#!/usr/bin/env python3
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"""Run the real Coding-Agent self-modification campaign for Experiment 9-6."""
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from __future__ import annotations
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import argparse
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from datetime import datetime, timezone
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import hashlib
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import json
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from pathlib import Path
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import shutil
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from typing import Any
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from candidate_sandbox import sandbox_image
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from evolution import (
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behavior_metrics,
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diagnose,
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generate_candidate,
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generate_rejected_control,
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release_manifest,
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sha256_text,
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validate_candidate,
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write_candidate,
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)
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from llm_generator import generate_with_openai
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ROOT = Path(__file__).resolve().parent
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def _sha_file(path: Path) -> str:
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return hashlib.sha256(path.read_bytes()).hexdigest()
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def _manifest_fields_complete(manifest: dict[str, Any]) -> bool:
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required = {
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"failure_cluster", "source_trajectories", "inferred_root_cause",
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"target_component", "target_file", "code_diff", "impact_prediction",
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"expected_fix", "potential_regressions", "checks", "candidate_version",
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"rollback_version", "provenance", "decision",
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}
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return required.issubset(manifest) and all(manifest.get(key) is not None for key in required)
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--provider", choices=("ark", "openrouter", "openai"), default="ark")
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parser.add_argument("--model", default="doubao-seed-1-6-250615")
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parser.add_argument("--seed", type=int, default=8501)
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parser.add_argument("--output-dir", type=Path)
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args = parser.parse_args()
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stable_path = ROOT / "stable" / "retry_policy.py"
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trajectories_path = ROOT / "failure_trajectories.json"
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trusted_paths = {
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"evolution.py": ROOT / "evolution.py",
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"candidate_sandbox.py": ROOT / "candidate_sandbox.py",
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"sandbox_runner.py": ROOT / "sandbox_runner.py",
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"Dockerfile.sandbox": ROOT / "Dockerfile.sandbox",
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}
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stable_source = stable_path.read_text(encoding="utf-8")
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trajectories = json.loads(trajectories_path.read_text(encoding="utf-8"))
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immutable_before = {
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"stable/retry_policy.py": _sha_file(stable_path),
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"failure_trajectories.json": _sha_file(trajectories_path),
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**{name: _sha_file(path) for name, path in trusted_paths.items()},
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}
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diagnosis = diagnose(trajectories)
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# The rejected control is evaluated first so its concrete failure can be
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# supplied to the real Coding Agent as bounded historical context.
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rejected = generate_rejected_control(stable_source, diagnosis)
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rejected_checks = validate_candidate(rejected["source"], trajectories, stable_source)
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rejected_manifest = release_manifest(stable_source, rejected, diagnosis, rejected_checks)
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rejected_history = [{
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"candidate_sha256": rejected["source_sha256"],
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"failed_checks": rejected_manifest["failed_checks"],
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"rejection_reason": rejected_manifest["rejection_reason"],
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"failure": "disabled temporary-timeout retries",
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}]
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deterministic = generate_candidate(stable_source, diagnosis)
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llm = generate_with_openai(
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stable_source,
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diagnosis,
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args.model,
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provider=args.provider,
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seed=args.seed,
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rejected_history=rejected_history,
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)
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immutable_after_generation = {
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"stable/retry_policy.py": _sha_file(stable_path),
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"failure_trajectories.json": _sha_file(trajectories_path),
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**{name: _sha_file(path) for name, path in trusted_paths.items()},
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}
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protected_unchanged = immutable_before == immutable_after_generation
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candidates = {
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"deterministic": deterministic,
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"real_llm": llm,
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"rejected_control": rejected,
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}
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manifests = {}
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metrics = {"stable_buggy_baseline": behavior_metrics(stable_source, trajectories)}
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for name, candidate in candidates.items():
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checks = validate_candidate(candidate["source"], trajectories, stable_source)
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checks["protected_surfaces_unchanged"] = protected_unchanged
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manifests[name] = release_manifest(
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stable_source,
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candidate,
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diagnosis,
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checks,
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provenance=candidate.get("generator_metadata", {}),
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)
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metrics[name] = behavior_metrics(candidate["source"], trajectories)
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stamp = datetime.now(timezone.utc).strftime("real_%Y%m%dT%H%M%SZ")
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output_dir = args.output_dir or ROOT / "validation" / stamp
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output_dir.mkdir(parents=True, exist_ok=False)
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for name, candidate in candidates.items():
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write_candidate(candidate["source"], output_dir / "candidates" / name / "retry_policy.py")
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(output_dir / f"{name}_manifest.json").write_text(
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json.dumps(manifests[name], ensure_ascii=False, indent=2), encoding="utf-8"
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)
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decisions = [manifest["decision"] for manifest in manifests.values()]
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accepted_count = decisions.count("release_to_canary")
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comparison = {
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name: {
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"decision": manifests[name]["decision"],
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"checks": manifests[name]["checks"],
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"patch_size": candidate["patch_size"],
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"behavior": metrics[name],
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}
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for name, candidate in candidates.items()
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}
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llm_receipt = llm["generator_metadata"]["receipt"]
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gates = {
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"cross_trajectory_support_met": diagnosis["patterns"][0]["cross_trajectory_support"] >= 2,
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"root_cause_targets_control_code": diagnosis["target"] == "stable/retry_policy.py",
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"real_coding_model_called": (
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llm["generator_metadata"].get("api_calls") == 1
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and bool(llm_receipt["response"].get("id"))
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),
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"impact_prediction_precedes_validation": bool(llm.get("impact_prediction")),
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"all_candidates_isolated": stable_path.read_text(encoding="utf-8") == stable_source,
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"trusted_surfaces_unchanged": protected_unchanged,
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"same_release_gate_for_both_generators": (
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set(manifests["deterministic"]["checks"]) == set(manifests["real_llm"]["checks"])
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),
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"deterministic_candidate_release_to_canary": manifests["deterministic"]["decision"] == "release_to_canary",
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"real_llm_candidate_release_to_canary": manifests["real_llm"]["decision"] == "release_to_canary",
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"known_bad_candidate_rejected_and_retained": (
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manifests["rejected_control"]["decision"] == "reject_candidate"
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and bool(manifests["rejected_control"]["rejection_reason"])
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),
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"failure_replay_reduces_calls": (
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metrics["real_llm"]["mean_nonretryable_calls"] == 1.0
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and metrics["stable_buggy_baseline"]["mean_nonretryable_calls"] > 1.0
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),
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"temporary_recovery_preserved": metrics["real_llm"]["temporary_error_recovery_rate"] == 1.0,
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"old_task_regression_zero": metrics["real_llm"]["old_task_regressions"] == 0,
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"canary_only_not_production": all(
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manifest["decision"] in {"release_to_canary", "reject_candidate"} for manifest in manifests.values()
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),
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"rollback_hash_pinned_to_stable": all(
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manifest["rollback_sha256"] == sha256_text(stable_source) for manifest in manifests.values()
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),
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"release_manifest_fields_complete": all(_manifest_fields_complete(item) for item in manifests.values()),
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}
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report = {
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"experiment": "9-6",
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"executed_at": datetime.now(timezone.utc).isoformat(),
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"execution_mode": "real_api_coding_agent_plus_model_external_release_harness",
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"provider": args.provider,
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"model": args.model,
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"seed": args.seed,
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"input_artifacts": {
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"stable_sha256": immutable_before["stable/retry_policy.py"],
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"trajectory_sha256": immutable_before["failure_trajectories.json"],
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"validator_sha256_before_generation": immutable_before["evolution.py"],
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"validator_sha256_after_generation": immutable_after_generation["evolution.py"],
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"trusted_surface_sha256_before": {
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name: immutable_before[name] for name in trusted_paths
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},
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"trusted_surface_sha256_after": {
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name: immutable_after_generation[name] for name in trusted_paths
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},
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},
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"candidate_sandbox": {
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"image": sandbox_image(),
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"network": "none",
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"root_filesystem": "read_only",
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"user": "65534:65534",
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"memory": "64m",
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"cpus": 0.5,
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"wall_clock_timeout_seconds": 8.0,
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},
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"diagnosis": diagnosis,
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"rejected_history_given_to_coding_agent": rejected_history,
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"behavior_metrics": metrics,
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"comparison": comparison,
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"manifests": manifests,
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"raw_api_receipts": [llm_receipt],
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"cost": llm_receipt["usage"],
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"candidate_acceptance_rate": accepted_count / len(candidates),
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"gates": gates,
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"accepted": all(gates.values()),
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}
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evidence_path = output_dir / "evidence.json"
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evidence_path.write_text(json.dumps(report, ensure_ascii=False, indent=2), encoding="utf-8")
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evidence_sha = _sha_file(evidence_path)
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(output_dir / "evidence.sha256").write_text(
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evidence_sha + " evidence.json\n", encoding="utf-8"
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)
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(output_dir / "artifact_hashes.json").write_text(json.dumps({
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str(path.relative_to(output_dir)): _sha_file(path)
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for path in sorted(output_dir.rglob("*.py"))
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}, indent=2), encoding="utf-8")
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# Canonical, credential-free evidence and the manuscript-required manifest.
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canonical = ROOT / "validation" / "latest.json"
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canonical.parent.mkdir(exist_ok=True)
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shutil.copyfile(evidence_path, canonical)
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(ROOT / "validation" / "latest.sha256").write_text(
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evidence_sha + " latest.json\n", encoding="utf-8"
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)
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(ROOT / "output").mkdir(exist_ok=True)
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(ROOT / "output" / "release_manifest.json").write_text(
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json.dumps(manifests["real_llm"], ensure_ascii=False, indent=2), encoding="utf-8"
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)
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(ROOT / "output" / "rejected_manifest.json").write_text(
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json.dumps(manifests["rejected_control"], ensure_ascii=False, indent=2), encoding="utf-8"
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)
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print(json.dumps({
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"evidence": str(evidence_path.relative_to(ROOT)),
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"evidence_sha256": evidence_sha,
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"accepted": report["accepted"],
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"decisions": {name: item["decision"] for name, item in manifests.items()},
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"metrics": metrics,
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"cost": report["cost"],
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}, ensure_ascii=False, indent=2))
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return 0 if report["accepted"] else 1
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if __name__ == "__main__":
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raise SystemExit(main())
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