{
  "schemaVersion": "qmmit.observation.v1",
  "datasetVersion": "2026-09-18-v3.0",
  "rulesetVersion": "sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae",
  "scanDate": "2026-09-16",
  "observation": {
    "repo": "microsoft/TypeScript",
    "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": "microsoft/TypeScript",
      "canonicalRepo": "microsoft/TypeScript",
      "canonicalGitHubUrl": "https://github.com/microsoft/TypeScript",
      "defaultBranch": "main",
      "headShaAtResolution": "d2b20b35034bd902bdda5974f522ff00352895e9",
      "resolvedAt": "2026-09-16T12:09:27.525Z",
      "redirected": false
    },
    "agentSharePctFloor": 26.8,
    "humanSharePctCeiling": 73.2,
    "totals": {
      "commitsInHistory": 1239,
      "mergeCommitsExcluded": 1,
      "ciBotCommitsExcluded": 29,
      "commitsConsidered": 1209,
      "agentAttributedCommits": 324,
      "humanAttributedCommits": 885
    },
    "concentration": {
      "distinctAgentAuthors": 18,
      "topAuthorShareOfAgentCommits": 81.8,
      "adoptionPattern": "individual"
    },
    "mode": {
      "assistedCommits": 324,
      "autonomousCommits": 0,
      "assistedPct": 26.8,
      "autonomousPct": 0
    },
    "agents": [
      {
        "id": "copilot",
        "label": "GitHub Copilot",
        "vendor": "GitHub",
        "commits": 313,
        "sharePct": 25.9,
        "samples": [
          {
            "hash": "879f9867ac455404e75759dd1739281cf6aa7f85",
            "subject": "[api] Add program.getResolvedModule and similar (#64247)",
            "date": "2026-09-11T20:10:59+00:00"
          },
          {
            "hash": "248cd7ff15341529eeacc4e1c4ce70b4c046658a",
            "subject": "[api] Generate optional protocol properties with `| undefined` so we can stop doing silly spreads to satisfy `exactOptionalPropertyTypes` (#64245)",
            "date": "2026-09-11T16:54:59+00:00"
          },
          {
            "hash": "8ab45047673086f086f91b100ccad84d14ae5571",
            "subject": "Add security skill (#64238)",
            "date": "2026-09-10T22:24:11+00:00"
          },
          {
            "hash": "8bf449b9a784d57890ee8f486c979c400fdaf86c",
            "subject": "[api] Add `GenericType` type (#64190)",
            "date": "2026-09-09T15:10:32+00:00"
          },
          {
            "hash": "31e008726728d3c80d8dd5aea977dfe972dbf2b3",
            "subject": "Prevent infinite loop in unstable AST JSDoc scanner (#64141)",
            "date": "2026-09-04T21:30:59+00:00"
          }
        ]
      },
      {
        "id": "claude-code",
        "label": "Claude Code",
        "vendor": "Anthropic",
        "commits": 10,
        "sharePct": 0.8,
        "samples": [
          {
            "hash": "f802c848a59ffa5d0ce340f8cfd2c4de3014385b",
            "subject": "Build checker cache keys in an inline buffer with one-shot hashing (microsoft/typescript-go#4784)",
            "date": "2026-08-17T21:40:16+00:00"
          },
          {
            "hash": "f20c2c2c77cd4e53fe4723140e1cf7c35b99b1ae",
            "subject": "Inline `GetCombinedNodeFlags` and `GetCombinedModifierFlags` bodies (microsoft/typescript-go#4240)",
            "date": "2026-08-14T17:03:08+00:00"
          },
          {
            "hash": "c83522a4d8e9e5e87f4c01a007b42ed35412f726",
            "subject": "Check the arrow-function line-terminator rule without the line map (microsoft/typescript-go#4787)",
            "date": "2026-07-29T20:05:03+00:00"
          },
          {
            "hash": "6feeff4429b8def1cf462e63883e98edce204224",
            "subject": "Skip the speculative expression parse in the async arrow lookahead (microsoft/typescript-go#4785)",
            "date": "2026-07-29T20:04:22+00:00"
          },
          {
            "hash": "a36f93d8fc453bf17bfa8128d17d8d5a10b7e1ce",
            "subject": "Embed zero-size marker bases first in generated AST structs (microsoft/typescript-go#4788)",
            "date": "2026-07-29T15:25:36+00:00"
          }
        ]
      },
      {
        "id": "codex",
        "label": "OpenAI Codex",
        "vendor": "OpenAI",
        "commits": 1,
        "sharePct": 0.1,
        "samples": [
          {
            "hash": "71476b44e934161e7cb935036e67e51c62e6de79",
            "subject": "Fix module specifier rename trigger spans (microsoft/typescript-go#4783)",
            "date": "2026-07-29T20:22:45+00:00"
          }
        ]
      }
    ],
    "timeline": [
      {
        "month": "2026-02",
        "total": 190,
        "agent": 59,
        "agentPct": 31.1
      },
      {
        "month": "2026-03",
        "total": 235,
        "agent": 40,
        "agentPct": 17
      },
      {
        "month": "2026-04",
        "total": 152,
        "agent": 27,
        "agentPct": 17.8
      },
      {
        "month": "2026-05",
        "total": 159,
        "agent": 68,
        "agentPct": 42.8
      },
      {
        "month": "2026-06",
        "total": 183,
        "agent": 70,
        "agentPct": 38.3
      },
      {
        "month": "2026-07",
        "total": 117,
        "agent": 24,
        "agentPct": 20.5
      },
      {
        "month": "2026-08",
        "total": 132,
        "agent": 29,
        "agentPct": 22
      },
      {
        "month": "2026-09",
        "total": 41,
        "agent": 7,
        "agentPct": 17.1
      }
    ],
    "lowActivity": false
  }
}