{
  "schemaVersion": "qmmit.observation.v1",
  "datasetVersion": "2026-09-18-v3.0",
  "rulesetVersion": "sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae",
  "scanDate": "2026-09-16",
  "observation": {
    "repo": "Homebrew/brew",
    "datasetVersion": "2026-09-18-v3.0",
    "rulesetVersion": "sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae",
    "scanDate": "2026-09-16",
    "window": {
      "since": "2026-02-01",
      "untilExclusive": "2026-09-16",
      "label": "February–September 15, 2026"
    },
    "repository": {
      "sourceRepo": "Homebrew/brew",
      "canonicalRepo": "Homebrew/brew",
      "canonicalGitHubUrl": "https://github.com/Homebrew/brew",
      "defaultBranch": "main",
      "headShaAtResolution": "0cf81cb0ad8e3a05e14e69168765b093dd5362e2",
      "resolvedAt": "2026-09-16T12:09:27.525Z",
      "redirected": false
    },
    "agentSharePctFloor": 5,
    "humanSharePctCeiling": 95,
    "totals": {
      "commitsInHistory": 4734,
      "mergeCommitsExcluded": 1947,
      "ciBotCommitsExcluded": 124,
      "commitsConsidered": 2663,
      "agentAttributedCommits": 132,
      "humanAttributedCommits": 2531
    },
    "concentration": {
      "distinctAgentAuthors": 30,
      "topAuthorShareOfAgentCommits": 13.6,
      "adoptionPattern": "org-wide"
    },
    "mode": {
      "assistedCommits": 132,
      "autonomousCommits": 0,
      "assistedPct": 5,
      "autonomousPct": 0
    },
    "agents": [
      {
        "id": "claude-code",
        "label": "Claude Code",
        "vendor": "Anthropic",
        "commits": 70,
        "sharePct": 2.6,
        "samples": [
          {
            "hash": "5983b25765c42f5b6d6220319e9ac545b1f5a9c6",
            "subject": "Skip duplicate /v2/ when artifact domain already contains it",
            "date": "2026-08-10T19:56:50+02:00"
          },
          {
            "hash": "f453ee9b9883c6ec0f51402e778a57ec0f7ac06c",
            "subject": "test/os/mac/keg: require `macho`",
            "date": "2026-07-28T18:26:18+08:00"
          },
          {
            "hash": "a18dc37375559228e73879e2c3051c63e3d7d98c",
            "subject": "tap: require `trust` in `Tap#to_hash`",
            "date": "2026-07-28T17:48:05+08:00"
          },
          {
            "hash": "14ff5bed5ebd8c2a0b2ebef1280bc36ef93c25b4",
            "subject": "download_queue: stage using the path returned by fetch",
            "date": "2026-07-26T14:29:37-07:00"
          },
          {
            "hash": "1be772fa4ad9ef44f3bcd7776c152874fa5c6758",
            "subject": "cask/migrator: do not copy a cask into itself through a rename alias",
            "date": "2026-07-22T07:35:29+12:00"
          }
        ]
      },
      {
        "id": "copilot",
        "label": "GitHub Copilot",
        "vendor": "GitHub",
        "commits": 62,
        "sharePct": 2.3,
        "samples": [
          {
            "hash": "590816c8e056b94513ffebaddaa47ae8ab843fa2",
            "subject": "Apply batched suggestions from code review",
            "date": "2026-09-06T18:39:31-04:00"
          },
          {
            "hash": "b41be7915c9aff2a102857d56c80dd04c9b11d29",
            "subject": "Refactor std_shards_args to inline debug flag logic",
            "date": "2026-09-04T20:19:26-04:00"
          },
          {
            "hash": "c9907afe9956bbb4f7943abc105eb850596ba38f",
            "subject": "Fix documentation style",
            "date": "2026-09-04T04:09:27-07:00"
          },
          {
            "hash": "d5f86b0818d53a03596c54ff7300db5f69fac7cd",
            "subject": "Allow keg to receive combined oldname_opt_records",
            "date": "2026-09-02T23:50:46-04:00"
          },
          {
            "hash": "80bf383a67b57a842f245dfcb65e06dd6463094b",
            "subject": "dev-cmd/extract: use cleanpath to normalize patch path",
            "date": "2026-08-21T19:26:40-04:00"
          }
        ]
      }
    ],
    "timeline": [
      {
        "month": "2026-02",
        "total": 168,
        "agent": 16,
        "agentPct": 9.5
      },
      {
        "month": "2026-03",
        "total": 274,
        "agent": 22,
        "agentPct": 8
      },
      {
        "month": "2026-04",
        "total": 285,
        "agent": 14,
        "agentPct": 4.9
      },
      {
        "month": "2026-05",
        "total": 371,
        "agent": 8,
        "agentPct": 2.2
      },
      {
        "month": "2026-06",
        "total": 393,
        "agent": 27,
        "agentPct": 6.9
      },
      {
        "month": "2026-07",
        "total": 546,
        "agent": 37,
        "agentPct": 6.8
      },
      {
        "month": "2026-08",
        "total": 324,
        "agent": 4,
        "agentPct": 1.2
      },
      {
        "month": "2026-09",
        "total": 302,
        "agent": 4,
        "agentPct": 1.3
      }
    ],
    "lowActivity": false
  }
}
