{
  "schemaVersion": "qmmit.observation.v1",
  "datasetVersion": "2026-09-18-v3.0",
  "rulesetVersion": "sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae",
  "scanDate": "2026-09-16",
  "observation": {
    "repo": "prestodb/presto",
    "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": "prestodb/presto",
      "canonicalRepo": "prestodb/presto",
      "canonicalGitHubUrl": "https://github.com/prestodb/presto",
      "defaultBranch": "master",
      "headShaAtResolution": "42d26fef41f19f238fe3967da88cc0d67eb111c4",
      "resolvedAt": "2026-09-16T12:09:27.525Z",
      "redirected": false
    },
    "agentSharePctFloor": 0.8,
    "humanSharePctCeiling": 99.2,
    "totals": {
      "commitsInHistory": 824,
      "mergeCommitsExcluded": 0,
      "ciBotCommitsExcluded": 28,
      "commitsConsidered": 796,
      "agentAttributedCommits": 6,
      "humanAttributedCommits": 790
    },
    "concentration": {
      "distinctAgentAuthors": 4,
      "topAuthorShareOfAgentCommits": 50,
      "adoptionPattern": "team"
    },
    "mode": {
      "assistedCommits": 6,
      "autonomousCommits": 0,
      "assistedPct": 0.8,
      "autonomousPct": 0
    },
    "agents": [
      {
        "id": "claude-code",
        "label": "Claude Code",
        "vendor": "Anthropic",
        "commits": 5,
        "sharePct": 0.6,
        "samples": [
          {
            "hash": "6a4f61b6bf5b68fe981c81c847e8ae08bfe22926",
            "subject": "chore: Add @jja725 (Jianjian Xie) as module committer (#28401)",
            "date": "2026-08-26T19:13:21-07:00"
          },
          {
            "hash": "49b7cc431b734ee74deca68105fb22478640eba0",
            "subject": "feat(plugin-lance): Integrate lance-namespace API (#27481)",
            "date": "2026-08-04T22:37:51-07:00"
          },
          {
            "hash": "6569b05e9b900223a34f66ae22e2d1b2ee20e031",
            "subject": "feat(plugin-openlineage-event-listener): Emit indirect column lineage as InputField transformations (#27994)",
            "date": "2026-07-01T19:53:17-07:00"
          },
          {
            "hash": "ccee37748054979b56129eca0b9afeeccaa4640b",
            "subject": "feat(connector): Push LIMIT down into Lance scans (#28049)",
            "date": "2026-06-30T14:31:11-07:00"
          },
          {
            "hash": "993cef3ee9a321a8a507314d03091ced8ac0ab83",
            "subject": "feat(connector): Add filter pushdown for Lance connector (#27430)",
            "date": "2026-04-22T11:42:52-07:00"
          }
        ]
      },
      {
        "id": "copilot",
        "label": "GitHub Copilot",
        "vendor": "GitHub",
        "commits": 1,
        "sharePct": 0.1,
        "samples": [
          {
            "hash": "7cbd1a17cd122c739799c9e609698ac6b9de08db",
            "subject": "fix: Report native worker cache and query memory separately in /v1/status (#27783)",
            "date": "2026-08-17T10:28:27-07:00"
          }
        ]
      }
    ],
    "timeline": [
      {
        "month": "2026-02",
        "total": 93,
        "agent": 0,
        "agentPct": 0
      },
      {
        "month": "2026-03",
        "total": 119,
        "agent": 0,
        "agentPct": 0
      },
      {
        "month": "2026-04",
        "total": 107,
        "agent": 1,
        "agentPct": 0.9
      },
      {
        "month": "2026-05",
        "total": 144,
        "agent": 0,
        "agentPct": 0
      },
      {
        "month": "2026-06",
        "total": 110,
        "agent": 1,
        "agentPct": 0.9
      },
      {
        "month": "2026-07",
        "total": 76,
        "agent": 1,
        "agentPct": 1.3
      },
      {
        "month": "2026-08",
        "total": 105,
        "agent": 3,
        "agentPct": 2.9
      },
      {
        "month": "2026-09",
        "total": 42,
        "agent": 0,
        "agentPct": 0
      }
    ],
    "lowActivity": false
  }
}
