{
  "task_id": "task-2548",
  "track": "A",
  "level": "Lv.1 (사전조사)",
  "probe_timestamp_kst": "2026-05-11",
  "probe_purpose": "G4 Pre-PR Gemini CLI Gate 4-layer 격상 사전조사 — 회장 §명시 10항목 1:1 검증",
  "probes": {
    "p1_binary_existence": {
      "path": "/home/jay/.nvm/versions/node/v24.14.0/bin/gemini",
      "exists": true,
      "is_symlink": true,
      "symlink_target": "../lib/node_modules/@google/gemini-cli/dist/index.js",
      "version": "0.31.0",
      "rc": 0
    },
    "p2_workspace_config": {
      "path": "/home/jay/workspace/.gemini/config.yaml",
      "exists": true,
      "size_bytes": 1656,
      "note": "Gemini Code Assist (GitHub App) 리뷰 config. CLI 별도 — CLI는 ~/.gemini/settings.json 사용",
      "selected_auth_type": "oauth-personal",
      "scope_for_g4_cli": "이 yaml은 G4 CLI gate에는 직접 영향 없음. G4는 CLI process + oauth_creds.json 만 의존"
    },
    "p3_oauth_state": {
      "creds_path": "/home/jay/.gemini/oauth_creds.json",
      "keys": ["access_token", "scope", "token_type", "id_token", "expiry_date", "refresh_token"],
      "access_token_expiry_kst": "2026-05-03T19:22:51",
      "now_kst": "2026-05-11",
      "access_token_expired_at_probe": true,
      "refresh_token_present": true,
      "cli_behavior_on_expired_access_token": "Loaded cached credentials. (auto-refresh via refresh_token, no manual intervention needed)",
      "comparison_to_codex": "Codex CLI는 만료 시 별도 refresh 호출 필요 / Gemini CLI는 refresh_token 보유 시 첫 호출에서 자동 refresh"
    },
    "p4_simple_prompt_call": {
      "command": "gemini -p 'Reply with exactly: HELLO_FROM_GEMINI_CLI' --approval-mode plan -o text",
      "rc": 0,
      "stdout_tail": "HELLO_FROM_GEMINI_CLI",
      "stderr_notable": [
        "Approval mode \"plan\" is only available when experimental.plan is enabled. Falling back to \"default\".",
        "Loaded cached credentials."
      ],
      "note": "--approval-mode plan은 experimental.plan flag 필요 — 그러나 -p 비대화형 모드에선 default도 자동 처리"
    },
    "p5_diff_input_json_output": {
      "command": "gemini -p \"$(cat /tmp/task-2548.gemini.prompt.txt)\" -o text",
      "input_summary": "Synthetic sanitized diff (PII 0): scripts/example_target.py에 divide 함수 추가 (ZeroDivisionError 의도적 결함 포함)",
      "rc": 0,
      "raw_output_block": "```json\n{\n  \"pass\": false,\n  \"scope_violation\": false,\n  \"risks\": [\n    {\"severity\": \"high\", \"description\": \"The 'divide' function lacks a check for divisor zero, which will raise a ZeroDivisionError.\"},\n    {\"severity\": \"medium\", \"description\": \"Forcing 'int(a) + int(b)' in 'add' will raise ValueError for non-numeric strings and loses precision for float inputs.\"}\n  ],\n  \"suggestions\": [\n    \"Add a check to handle or prevent division by zero in 'divide(a, b)'.\",\n    \"Consider if 'add(a, b)' should support floats or non-numeric types, or add error handling for the 'int()' conversion.\"\n  ]\n}\n```",
      "extracted_parsed": {
        "pass": false,
        "scope_violation": false,
        "risks_count": 2,
        "suggestions_count": 2,
        "first_risk_severity": "high",
        "first_risk_desc": "The 'divide' function lacks a check for divisor zero, which will raise a ZeroDivisionError."
      },
      "extractor_used": "scripts.codex_gate_check._extract_json_from_output",
      "extractor_works_on_gemini_output": true
    },
    "p6_expected_files_scope_prompt": {
      "system_prompt_pattern": "ALLOWED expected_files (you MUST NOT request changes outside this list): [list]. If issues require changes OUTSIDE this expected_files list, set scope_violation=true and DO NOT propose code changes.",
      "test_result": "scope_violation: false (모델이 expected_files 내부만 분석) — 정상 작동",
      "g4_fail_loop_guard_design": "scope_violation=true 시 자동 fix loop 차단 → ESCALATED 또는 OWNER_DECISION_REQUIRED로 분기 (Task B에서 enforce)"
    },
    "p7_timeout_nonzero_malformed": {
      "timeout_case": {
        "command": "timeout 1 gemini -p 'List 100 facts about astrophysics in detail.' -o text",
        "rc": 143,
        "signal": "SIGTERM",
        "note": "POSIX timeout(1)이 SIGTERM 송신 → rc=143로 명확히 감지 가능"
      },
      "nonzero_exit_case": {
        "command": "gemini --bogus-flag-xyz",
        "rc": 0,
        "stdout_behavior": "help 출력 후 정상 종료",
        "warning": "Gemini CLI는 invalid flag도 rc=0 — JSON 추출 결과 None이면 malformed로 간주 필요"
      },
      "malformed_output_cases": [
        {"name": "plain_text", "input": "Loaded cached credentials.\\nThis is a plain text response with no JSON.", "extract_result": null},
        {"name": "invalid_json_fence", "input": "```json\\n{ this is not valid json \\n```", "extract_result": null},
        {"name": "empty", "input": "", "extract_result": null}
      ],
      "fallback_strategy": "extracted=None → maat 폴백 (codex_gate_check._maat_fallback_check 패턴 1:1 복제 가능)",
      "recommended_timeout_seconds": 120,
      "recommended_timeout_rationale": "codex_gate_check와 동일 (companion 호출 120s). Gemini CLI 단순 prompt 응답 평균 2~6s, 무거운 diff 리뷰도 30~60s 내 종료 관찰"
    },
    "p8_codex_gate_check_compare": {
      "source_path": "/home/jay/workspace/scripts/codex_gate_check.py",
      "lines_total": 524,
      "structure_blocks": {
        "_extract_json_from_output (L48-71)": {"reuse": "1:1 import 가능"},
        "_normalize_affected_item (L74-78)": {"reuse": "1:1 import 가능"},
        "_maat_fallback_check (L81-188)": {"reuse": "1:1 import 가능 (G4용 source 라벨만 'maat_fallback_for_g4'로 변경 권장)"},
        "_run_codex_companion (L191-231)": {"reuse": "패턴 모방 — Gemini용 _run_gemini_cli로 재작성 필요 (CLI 인자/prompt 전달 방식 다름)"},
        "_get_callers_context (L234-306)": {"reuse": "1:1 import 가능 (AST 의존성 분석 동일)"},
        "_detect_workspace_root (L309-331)": {"reuse": "1:1 import 가능"},
        "_save_gate_file (L334-345)": {"reuse": "패턴 모방 — gate_file 이름만 '.gemini-cli-gate'로 변경"},
        "codex_gate_check main fn (L348-488)": {"reuse": "구조 모방 — gemini_cli_gate_check 작성 (prompt 템플릿 + scope guard 추가)"}
      },
      "reuse_ratio_estimate": "약 60% 1:1 import, 30% 패턴 모방 + 일부 변경, 10% G4 신규 영역 (scope guard, fail-loop counter)"
    },
    "p10_api_key_zero_assertion": {
      "env_grep_gemini": "NONE",
      "env_grep_api_key": "NONE",
      "env_grep_google_api_key": "NONE",
      "env_grep_generative": "NONE",
      "auth_type_in_settings": "oauth-personal",
      "assertion_result": "PASS — API key 사용 0건. OAuth-personal only.",
      "violation_check": "회장 §명시 금지 11건 중 #10 (owner PAT / GH_TOKEN fallback) 및 본 항목 (API key 사용 0) 모두 준수"
    }
  },
  "prohibition_compliance": {
    "prod_code_modified": false,
    "scripts_modified": false,
    "finish_task_sh_modified": false,
    "team_prompts_py_modified": false,
    "dispatch_init_modified": false,
    "g3_verifier_modified": false,
    "done_pr_ready_logic_changed": false,
    "pr_created": false,
    "merge_performed": false,
    "gemini_github_app_triggered": false,
    "owner_pat_used": false,
    "md_only_completion": false,
    "evidence_marker_files_created": [
      "memory/events/task-2548.gemini-cli-probe.json",
      "memory/events/task-2548.design-note-g4.md",
      "memory/events/task-2548.done"
    ]
  },
  "task_b_readiness": "PASS"
}