=== BL2: high severity 코멘트 → BLOCK ===
Timestamp: 2026-05-05T17:52:46Z
Scenario: review 1건, body에 'BLOCKING' (대문자) 포함

{
  "state": "block",
  "reason": "high severity matched: ['severity:high/critical', 'keyword:BLOCKING/CRITICAL/MUST_FIX']",
  "evidence": {
    "primary": [
      {
        "type": "review",
        "id": 1,
        "body_snippet": "BLOCKING: SQL injection in line 42. Severity: HIGH. Must fix before merge.",
        "commit_sha": "simulated-sha-bl2",
        "stale": false,
        "severity_matches": [
          "severity:high/critical",
          "keyword:BLOCKING/CRITICAL/MUST_FIX"
        ]
      }
    ],
    "secondary": [],
    "high_severity_hits": [
      "severity:high/critical",
      "keyword:BLOCKING/CRITICAL/MUST_FIX"
    ],
    "supplementary_signals": []
  },
  "head_pushed_at": "2026-05-05T17:52:36.315723Z",
  "elapsed_seconds": 10,
  "timeout_seconds": 300
}