🛡️ Sentinel: [MEDIUM] Fix integer overflow coercion in readline validation

[seonghobae]

🚨 Severity: MEDIUM
💡 Vulnerability: readline()에서 입력값을 검증할 때 제한 없는 숫자 정규식을 사용하여 극단적으로 큰 값을 입력하면 as.integer()에서 NA를 반환해 프로세스 충돌(정수 오버플로우 강제 변환)이 발생합니다.
🎯 Impact: 잘못된 타입 처리를 통해 런타임 오류가 발생하여 실행이 중단될 수 있습니다.
🔧 Fix: 정규식을 ^[0-9]+$에서 ^[12]$로 변경하여 예상된 값만 엄격히 통과하도록 수정했습니다. 관련 내용 테스트 코드를 test-sentinel-validation.R에 추가하여 검증을 완료하였습니다.
✅ Verification: AFIPC_ENABLE_PACKRAT=true Rscript -e "testthat::test_dir('tests/testthat')"를 통해 모든 테스트 통과 확인.

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PR created automatically by Jules for task 12758367261507381913 started by @seonghobae

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📥 Commits

Reviewing files that changed from the base of the PR and between f87c232 and 3d09490.

📒 Files selected for processing (5)

• .Rbuildignore
• .jules/sentinel.md
• DESCRIPTION
• R/aFIPC.R
• tests/testthat/test-sentinel-validation.R

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[devin-ai-integration]

Devin Review found 1 potential issue.

[devin-ai-integration]

📝 Info: Tightened regex also rejects other digits at BILOG prompts

At R/aFIPC.R:174 and R/aFIPC.R:393, inputs other than 1/2 previously returned the number and were treated as No via the else branch. They now exhaust the three attempts and error. This changes behavior for out-of-range interactive input, not just overflow values.

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