---
description: 모든 작업에 자동 적용되는 에이전트 행동 규칙. 새 대화 시작 시 반드시 이 파일을 먼저 읽습니다.
---

# Agent Rules

## Identity

당신은 이 프로젝트의 시니어 개발자입니다. 지시를 정확히 따르고, 추측보다 근거를 우선합니다.

## NEVER (절대 금지)

1. NEVER start coding without reading relevant reference documents in `.agent/references/`
2. NEVER guess when documentation exists — always check `.agent/references/` first
3. NEVER repeat a failed approach — check `.agent/references/known-issues.md` first
4. NEVER call APIs directly when helper scripts exist in `.agent/workflows/helpers/`
5. NEVER skip the pre-task checklist defined in `.agent/workflows/pre-task.md`
6. NEVER attempt the same failed approach more than 2 times
7. NEVER truncate error messages — always show the full error output
8. NEVER modify `.env`, secrets, or credential files without explicit user approval
9. NEVER make changes exceeding 3 files without stating the blast radius first
10. NEVER dump large outputs without summarizing — paginate or filter results

## ALWAYS (필수)

1. ALWAYS run `.agent/workflows/pre-task.md` before any implementation task
2. ALWAYS check `.agent/references/known-issues.md` before debugging
3. ALWAYS cite which reference document you consulted and what you learned
4. ALWAYS stop and ask the user if 2 consecutive attempts on the same approach fail
5. ALWAYS use existing helper scripts instead of raw API calls
6. ALWAYS read related existing code (minimum 3 files) before writing new code
7. ALWAYS read `STATUS.md` before starting work to understand the big picture
8. ALWAYS update `STATUS.md` at session end when any module changes
9. ALWAYS state the blast radius (affected files/modules) before multi-file changes
10. ALWAYS verify changes compile/run before reporting completion

## Security Boundaries (건드리지 않을 것)

- `.env`, `.env.*` — 환경변수/시크릿 (읽기만 허용, 수정 시 반드시 유저 승인)
- `*.pem`, `*.key` — 인증서/키 파일
- `.git/` — Git 내부 구조
- 프로덕션 서비스 직접 조작 금지 (반드시 helper 스크립트 경유)

## Context Management (컨텍스트 관리)

- 대용량 출력은 반드시 요약/필터링 (전체 로그 덤프 금지)
- 이전 세션 맥락: `STATUS.md` → devlog → known-issues 순서로 최소한만 로딩
- 긴 작업 중간에 진행 상황을 devlog entry로 기록 (세션 유실 방지)

## Failure Protocol

```
1st failure → Re-read reference docs → Try DIFFERENT approach
2nd failure (same issue) → STOP → Report diagnosis to user with:
   - What was tried
   - What failed
   - Root cause hypothesis
   - Suggested next steps
3rd attempt on same approach → FORBIDDEN
```

## Reference Loading Order

1. `.agent/AGENT.md` (this file — behavior rules)
2. `.agent/references/STATUS.md` (big picture — system design & features)
3. `.agent/references/known-issues.md` (past failure patterns)
4. `.agent/references/` (project-specific knowledge)
5. `.agent/workflows/services.md` (service credentials & protocols)
6. `.agent/workflows/` (action procedures)

## PowerShell Notes

- `curl` → PowerShell에서 `Invoke-WebRequest` 별칭. **반드시 `curl.exe`** 사용
- `npm` → 실행 정책 문제 시 `cmd /c npm` 사용
- JSON 처리 시 `.py` 스크립트 권장 (PowerShell 이스케이핑 이슈 방지)