NINI
427 lines
16 KiB
Python
427 lines
16 KiB
Python
#!/usr/bin/env python3
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"""
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Codex Harness Step Executor — phase 내 step을 순차 실행하고 자가 교정한다.
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Usage:
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python3 scripts/execute.py <phase-dir> [--push]
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"""
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import argparse
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import contextlib
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import json
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import os
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import subprocess
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import sys
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import threading
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import time
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import types
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from datetime import datetime, timezone, timedelta
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from pathlib import Path
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from typing import Optional
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ROOT = Path(__file__).resolve().parent.parent
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@contextlib.contextmanager
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def progress_indicator(label: str):
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"""터미널 진행 표시기. with 문으로 사용하며 .elapsed 로 경과 시간을 읽는다."""
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frames = "◐◓◑◒"
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stop = threading.Event()
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t0 = time.monotonic()
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def _animate():
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idx = 0
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while not stop.wait(0.12):
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sec = int(time.monotonic() - t0)
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sys.stderr.write(f"\r{frames[idx % len(frames)]} {label} [{sec}s]")
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sys.stderr.flush()
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idx += 1
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sys.stderr.write("\r" + " " * (len(label) + 20) + "\r")
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sys.stderr.flush()
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th = threading.Thread(target=_animate, daemon=True)
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th.start()
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info = types.SimpleNamespace(elapsed=0.0)
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try:
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yield info
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finally:
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stop.set()
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th.join()
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info.elapsed = time.monotonic() - t0
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class StepExecutor:
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"""Phase 디렉토리 안의 step들을 Codex로 순차 실행하는 하네스."""
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MAX_RETRIES = 3
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FEAT_MSG = "feat({phase}): step {num} — {name}"
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CHORE_MSG = "chore({phase}): step {num} output"
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TZ = timezone(timedelta(hours=9))
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def __init__(self, phase_dir_name: str, *, auto_push: bool = False):
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self._root = str(ROOT)
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self._phases_dir = ROOT / "phases"
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self._phase_dir = self._phases_dir / phase_dir_name
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self._phase_dir_name = phase_dir_name
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self._top_index_file = self._phases_dir / "index.json"
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self._auto_push = auto_push
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if not self._phase_dir.is_dir():
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print(f"ERROR: {self._phase_dir} not found")
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sys.exit(1)
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self._index_file = self._phase_dir / "index.json"
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if not self._index_file.exists():
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print(f"ERROR: {self._index_file} not found")
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sys.exit(1)
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idx = self._read_json(self._index_file)
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self._project = idx.get("project", "project")
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self._phase_name = idx.get("phase", phase_dir_name)
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self._total = len(idx["steps"])
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def run(self):
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self._print_header()
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self._check_blockers()
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self._checkout_branch()
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guardrails = self._load_guardrails()
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self._ensure_created_at()
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self._execute_all_steps(guardrails)
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self._finalize()
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# --- timestamps ---
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def _stamp(self) -> str:
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return datetime.now(self.TZ).strftime("%Y-%m-%dT%H:%M:%S%z")
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# --- JSON I/O ---
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@staticmethod
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def _read_json(p: Path) -> dict:
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return json.loads(p.read_text(encoding="utf-8"))
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@staticmethod
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def _write_json(p: Path, data: dict):
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p.write_text(json.dumps(data, indent=2, ensure_ascii=False), encoding="utf-8")
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# --- git ---
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def _run_git(self, *args) -> subprocess.CompletedProcess:
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cmd = ["git"] + list(args)
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return subprocess.run(cmd, cwd=self._root, capture_output=True, text=True)
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def _checkout_branch(self):
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branch = f"feat-{self._phase_name}"
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r = self._run_git("rev-parse", "--abbrev-ref", "HEAD")
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if r.returncode != 0:
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print(f" ERROR: git을 사용할 수 없거나 git repo가 아닙니다.")
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print(f" {r.stderr.strip()}")
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sys.exit(1)
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if r.stdout.strip() == branch:
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return
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r = self._run_git("rev-parse", "--verify", branch)
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r = self._run_git("checkout", branch) if r.returncode == 0 else self._run_git("checkout", "-b", branch)
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if r.returncode != 0:
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print(f" ERROR: 브랜치 '{branch}' checkout 실패.")
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print(f" {r.stderr.strip()}")
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print(f" Hint: 변경사항을 stash하거나 commit한 후 다시 시도하세요.")
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sys.exit(1)
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print(f" Branch: {branch}")
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def _commit_step(self, step_num: int, step_name: str):
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output_rel = f"phases/{self._phase_dir_name}/step{step_num}-output.json"
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index_rel = f"phases/{self._phase_dir_name}/index.json"
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self._run_git("add", "-A")
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self._run_git("reset", "HEAD", "--", output_rel)
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self._run_git("reset", "HEAD", "--", index_rel)
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if self._run_git("diff", "--cached", "--quiet").returncode != 0:
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msg = self.FEAT_MSG.format(phase=self._phase_name, num=step_num, name=step_name)
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r = self._run_git("commit", "-m", msg)
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if r.returncode == 0:
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print(f" Commit: {msg}")
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else:
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print(f" WARN: 코드 커밋 실패: {r.stderr.strip()}")
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self._run_git("add", "-A")
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if self._run_git("diff", "--cached", "--quiet").returncode != 0:
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msg = self.CHORE_MSG.format(phase=self._phase_name, num=step_num)
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r = self._run_git("commit", "-m", msg)
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if r.returncode != 0:
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print(f" WARN: housekeeping 커밋 실패: {r.stderr.strip()}")
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# --- top-level index ---
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def _update_top_index(self, status: str):
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if not self._top_index_file.exists():
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return
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top = self._read_json(self._top_index_file)
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ts = self._stamp()
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for phase in top.get("phases", []):
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if phase.get("dir") == self._phase_dir_name:
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phase["status"] = status
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ts_key = {"completed": "completed_at", "error": "failed_at", "blocked": "blocked_at"}.get(status)
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if ts_key:
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phase[ts_key] = ts
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break
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self._write_json(self._top_index_file, top)
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# --- guardrails & context ---
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def _load_guardrails(self) -> str:
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sections = []
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agents_md = ROOT / "AGENTS.md"
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if agents_md.exists():
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sections.append(f"## 프로젝트 규칙 (AGENTS.md)\n\n{agents_md.read_text(encoding='utf-8')}")
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docs_dir = ROOT / "docs"
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if docs_dir.is_dir():
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for doc in sorted(docs_dir.glob("*.md")):
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sections.append(f"## {doc.stem}\n\n{doc.read_text(encoding='utf-8')}")
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return "\n\n---\n\n".join(sections) if sections else ""
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@staticmethod
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def _build_step_context(index: dict) -> str:
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lines = [
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f"- Step {s['step']} ({s['name']}): {s['summary']}"
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for s in index["steps"]
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if s["status"] == "completed" and s.get("summary")
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]
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if not lines:
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return ""
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return "## 이전 Step 산출물\n\n" + "\n".join(lines) + "\n\n"
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def _build_preamble(self, guardrails: str, step_context: str,
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prev_error: Optional[str] = None) -> str:
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retry_section = ""
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if prev_error:
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retry_section = (
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f"\n## ⚠ 이전 시도 실패 — 아래 에러를 반드시 참고하여 수정하라\n\n"
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f"{prev_error}\n\n---\n\n"
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)
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return (
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f"당신은 {self._project} 프로젝트의 Codex 문서 작성 에이전트입니다. 아래 step을 수행하세요.\n\n"
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f"{guardrails}\n\n---\n\n"
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f"{step_context}{retry_section}"
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f"## 작업 규칙\n\n"
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f"1. 이전 step에서 작성된 문서와 메모를 확인하고 일관성을 유지하라.\n"
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f"2. 이 step에 명시된 작업만 수행하라. 추가 산출물이나 임의 요구사항을 만들지 마라.\n"
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f"3. 기존 문서 구조와 피드백 기록을 깨뜨리지 마라.\n"
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f"4. AC(Acceptance Criteria) 검증을 직접 실행하라.\n"
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f"5. /phases/{self._phase_dir_name}/index.json의 해당 step status를 업데이트하라:\n"
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f" - AC 통과 → \"completed\" + \"summary\" 필드에 이 step의 산출물을 한 줄로 요약\n"
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f" - {self.MAX_RETRIES}회 수정 시도 후에도 실패 → \"error\" + \"error_message\" 기록\n"
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f" - 사용자 개입이 필요한 경우 (API 키, 인증, 수동 설정 등) → \"blocked\" + \"blocked_reason\" 기록 후 즉시 중단\n"
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f"6. 직접 git commit하지 마라. commit은 scripts/execute.py가 step 완료 후 수행한다.\n"
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f"7. 병렬 조사나 독립 리뷰가 필요하고 step에서 허용했다면 .codex/agents의 custom agent 역할을 활용하라.\n\n---\n\n"
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)
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# --- Codex 호출 ---
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def _invoke_codex(self, step: dict, preamble: str) -> dict:
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step_num, step_name = step["step"], step["name"]
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step_file = self._phase_dir / f"step{step_num}.md"
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if not step_file.exists():
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print(f" ERROR: {step_file} not found")
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sys.exit(1)
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prompt = preamble + step_file.read_text(encoding="utf-8")
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cmd = ["codex", "exec", "--skip-git-repo-check", "--full-auto", "--json", "-"]
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try:
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result = subprocess.run(
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cmd,
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cwd=self._root,
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input=prompt,
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capture_output=True,
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text=True,
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encoding="utf-8",
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errors="replace",
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timeout=1800,
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)
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except FileNotFoundError:
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print("\n ERROR: Codex CLI를 찾을 수 없습니다. `codex --version`이 실행되는지 확인하세요.")
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sys.exit(1)
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if result.returncode != 0:
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print(f"\n WARN: Codex가 비정상 종료됨 (code {result.returncode})")
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if result.stderr:
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print(f" stderr: {result.stderr[:500]}")
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output = {
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"step": step_num, "name": step_name,
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"exitCode": result.returncode,
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"stdout": result.stdout, "stderr": result.stderr,
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}
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out_path = self._phase_dir / f"step{step_num}-output.json"
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with open(out_path, "w", encoding="utf-8") as f:
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json.dump(output, f, indent=2, ensure_ascii=False)
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return output
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# --- 헤더 & 검증 ---
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def _print_header(self):
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print(f"\n{'='*60}")
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print(f" Codex Harness Step Executor")
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print(f" Phase: {self._phase_name} | Steps: {self._total}")
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if self._auto_push:
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print(f" Auto-push: enabled")
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print(f"{'='*60}")
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def _check_blockers(self):
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index = self._read_json(self._index_file)
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for s in reversed(index["steps"]):
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if s["status"] == "error":
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print(f"\n ✗ Step {s['step']} ({s['name']}) failed.")
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print(f" Error: {s.get('error_message', 'unknown')}")
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print(f" Fix and reset status to 'pending' to retry.")
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sys.exit(1)
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if s["status"] == "blocked":
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print(f"\n ⏸ Step {s['step']} ({s['name']}) blocked.")
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print(f" Reason: {s.get('blocked_reason', 'unknown')}")
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print(f" Resolve and reset status to 'pending' to retry.")
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sys.exit(2)
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if s["status"] != "pending":
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break
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def _ensure_created_at(self):
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index = self._read_json(self._index_file)
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if "created_at" not in index:
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index["created_at"] = self._stamp()
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self._write_json(self._index_file, index)
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# --- 실행 루프 ---
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def _execute_single_step(self, step: dict, guardrails: str) -> bool:
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"""단일 step 실행 (재시도 포함). 완료되면 True, 실패/차단이면 False."""
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step_num, step_name = step["step"], step["name"]
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done = sum(1 for s in self._read_json(self._index_file)["steps"] if s["status"] == "completed")
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prev_error = None
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for attempt in range(1, self.MAX_RETRIES + 1):
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index = self._read_json(self._index_file)
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step_context = self._build_step_context(index)
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preamble = self._build_preamble(guardrails, step_context, prev_error)
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tag = f"Step {step_num}/{self._total - 1} ({done} done): {step_name}"
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if attempt > 1:
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tag += f" [retry {attempt}/{self.MAX_RETRIES}]"
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with progress_indicator(tag) as pi:
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self._invoke_codex(step, preamble)
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elapsed = int(pi.elapsed)
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index = self._read_json(self._index_file)
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status = next((s.get("status", "pending") for s in index["steps"] if s["step"] == step_num), "pending")
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ts = self._stamp()
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if status == "completed":
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for s in index["steps"]:
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if s["step"] == step_num:
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s["completed_at"] = ts
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self._write_json(self._index_file, index)
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self._commit_step(step_num, step_name)
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print(f" ✓ Step {step_num}: {step_name} [{elapsed}s]")
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return True
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if status == "blocked":
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for s in index["steps"]:
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if s["step"] == step_num:
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s["blocked_at"] = ts
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self._write_json(self._index_file, index)
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reason = next((s.get("blocked_reason", "") for s in index["steps"] if s["step"] == step_num), "")
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print(f" ⏸ Step {step_num}: {step_name} blocked [{elapsed}s]")
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print(f" Reason: {reason}")
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self._update_top_index("blocked")
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sys.exit(2)
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err_msg = next(
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(s.get("error_message", "Step did not update status") for s in index["steps"] if s["step"] == step_num),
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"Step did not update status",
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)
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if attempt < self.MAX_RETRIES:
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for s in index["steps"]:
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if s["step"] == step_num:
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s["status"] = "pending"
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s.pop("error_message", None)
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self._write_json(self._index_file, index)
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prev_error = err_msg
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print(f" ↻ Step {step_num}: retry {attempt}/{self.MAX_RETRIES} — {err_msg}")
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else:
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for s in index["steps"]:
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if s["step"] == step_num:
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s["status"] = "error"
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s["error_message"] = f"[{self.MAX_RETRIES}회 시도 후 실패] {err_msg}"
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s["failed_at"] = ts
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self._write_json(self._index_file, index)
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self._commit_step(step_num, step_name)
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print(f" ✗ Step {step_num}: {step_name} failed after {self.MAX_RETRIES} attempts [{elapsed}s]")
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print(f" Error: {err_msg}")
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self._update_top_index("error")
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sys.exit(1)
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return False # unreachable
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def _execute_all_steps(self, guardrails: str):
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while True:
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index = self._read_json(self._index_file)
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pending = next((s for s in index["steps"] if s["status"] == "pending"), None)
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if pending is None:
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print("\n All steps completed!")
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return
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step_num = pending["step"]
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for s in index["steps"]:
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if s["step"] == step_num and "started_at" not in s:
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s["started_at"] = self._stamp()
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self._write_json(self._index_file, index)
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break
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self._execute_single_step(pending, guardrails)
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def _finalize(self):
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index = self._read_json(self._index_file)
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index["completed_at"] = self._stamp()
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self._write_json(self._index_file, index)
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self._update_top_index("completed")
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self._run_git("add", "-A")
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if self._run_git("diff", "--cached", "--quiet").returncode != 0:
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msg = f"chore({self._phase_name}): mark phase completed"
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r = self._run_git("commit", "-m", msg)
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if r.returncode == 0:
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print(f" ✓ {msg}")
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if self._auto_push:
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branch = f"feat-{self._phase_name}"
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r = self._run_git("push", "-u", "origin", branch)
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if r.returncode != 0:
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print(f"\n ERROR: git push 실패: {r.stderr.strip()}")
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sys.exit(1)
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print(f" ✓ Pushed to origin/{branch}")
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print(f"\n{'='*60}")
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print(f" Phase '{self._phase_name}' completed!")
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print(f"{'='*60}")
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def main():
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parser = argparse.ArgumentParser(description="Codex Harness Step Executor")
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parser.add_argument("phase_dir", help="Phase directory name (e.g. 0-mvp)")
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parser.add_argument("--push", action="store_true", help="Push branch after completion")
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args = parser.parse_args()
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StepExecutor(args.phase_dir, auto_push=args.push).run()
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if __name__ == "__main__":
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main()
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