{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-yafl-mcp",
  "component": "yafldev-mcp",
  "generated_at": "2026-09-20T15:42:15.370Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 21,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a09f6f-5533-728e-9eed-6b567e49372f",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 10:21:08.458818+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_01a09f6f-5533-728e-9eed-6b567e49372f"
    },
    {
      "id": "chg_01a08087-727c-7203-84a4-c571ed77486f",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 10:19:15.1023+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_01a08087-727c-7203-84a4-c571ed77486f"
    },
    {
      "id": "chg_01a05753-d4e8-77cd-bc8e-eddf614ee871",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 10:18:26.455648+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_01a05753-d4e8-77cd-bc8e-eddf614ee871"
    },
    {
      "id": "chg_01a0386d-8220-70c2-b837-ca8bcc58bdea",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 10:18:15.764706+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_01a0386d-8220-70c2-b837-ca8bcc58bdea"
    },
    {
      "id": "chg_019ffa9f-0ae6-7856-85cd-f082c19519e2",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.transitive",
      "to_code": "cve.none",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "95",
        "assessed": "96",
        "resolved": "95",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 10:15:54.822353+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Known CVEs (fail → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019ffa9f-0ae6-7856-85cd-f082c19519e2"
    },
    {
      "id": "chg_019ffa9f-0ae7-7e3b-8d73-e69c6254abe8",
      "kind": "advisory.resolved",
      "family": "vulnerabilities",
      "subject_kind": "advisory",
      "subject": "GHSA-frvp-7c67-39w9",
      "subject_child": "",
      "from_code": "cve.transitive",
      "to_code": "cve.none",
      "from_value": "medium",
      "to_value": null,
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "id": "GHSA-frvp-7c67-39w9"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 10:15:54.822353+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "GHSA-frvp-7c67-39w9 no longer affects this package",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019ffa9f-0ae7-7e3b-8d73-e69c6254abe8"
    },
    {
      "id": "chg_019fc451-cd28-7898-bab4-d20220f18ef5",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.transitive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "path": "@modelcontextprotocol/sdk > @hono/node-server",
        "refs": "[\"GHSA-frvp-7c67-39w9\"]",
        "seen": "98",
        "package": "@hono/node-server",
        "version": "1.19.17",
        "assessed": "95",
        "resolved": "94",
        "severity": "medium",
        "transitive": "1",
        "unresolved": "4",
        "vulnerable": "[{\"name\":\"@hono/node-server\",\"version\":\"1.19.17\",\"depth\":2,\"path\":[\"@modelcontextprotocol/sdk\",\"@hono/node-server\"],\"refs\":[\"GHSA-frvp-7c67-39w9\"]}]",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:12:03.085591+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Known CVEs (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fc451-cd28-7898-bab4-d20220f18ef5"
    },
    {
      "id": "chg_019fc451-cd29-7cd6-9e6e-f3084d32ed75",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:12:03.085591+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fc451-cd29-7cd6-9e6e-f3084d32ed75"
    },
    {
      "id": "chg_019fc451-cd2a-79b8-921a-41786acb5edd",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "repo": "yafldev/mcp"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:12:03.085591+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fc451-cd2a-79b8-921a-41786acb5edd"
    },
    {
      "id": "chg_019fc451-cd2a-7f2d-b4e1-6f6254acd0a1",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": null,
      "to_value": "yafldev/mcp",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "yafldev/mcp",
        "from": ""
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:12:03.085591+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The attested source repository moved (yafldev/mcp)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fc451-cd2a-7f2d-b4e1-6f6254acd0a1"
    },
    {
      "id": "chg_019fc2cc-4757-7d0f-9dcc-8dabcfd87018",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 14:06:35.282467+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fc2cc-4757-7d0f-9dcc-8dabcfd87018"
    },
    {
      "id": "chg_019fbf20-fa84-7054-809d-9caf7d1f6cbe",
      "kind": "check.verdict",
      "family": "provenance-repo",
      "subject_kind": "check",
      "subject": "provenance-repo",
      "subject_child": "",
      "from_code": "provenance.repo_none",
      "to_code": "provenance.repo_verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 21:00:37.361039+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Source repository (fail → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fbf20-fa84-7054-809d-9caf7d1f6cbe"
    },
    {
      "id": "chg_019fbf20-fa84-792a-ba77-2095d7874fe3",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 21:00:37.361039+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fbf20-fa84-792a-ba77-2095d7874fe3"
    },
    {
      "id": "chg_019fbede-e98a-7932-ab03-bc30004cc614",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.none",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 19:48:27.641137+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fbede-e98a-7932-ab03-bc30004cc614"
    },
    {
      "id": "chg_019fbede-e98b-7017-a5dc-ffc0e3d382cf",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.transitive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "path": "@modelcontextprotocol/sdk > @hono/node-server",
        "refs": "[\"GHSA-frvp-7c67-39w9\"]",
        "seen": "98",
        "package": "@hono/node-server",
        "version": "1.19.17",
        "assessed": "95",
        "resolved": "94",
        "severity": "medium",
        "transitive": "1",
        "unresolved": "4",
        "vulnerable": "[{\"name\":\"@hono/node-server\",\"version\":\"1.19.17\",\"depth\":2,\"path\":[\"@modelcontextprotocol/sdk\",\"@hono/node-server\"],\"refs\":[\"GHSA-frvp-7c67-39w9\"]}]",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 19:48:27.641137+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Known CVEs (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fbede-e98b-7017-a5dc-ffc0e3d382cf"
    },
    {
      "id": "chg_019fbede-e98b-77da-a966-b2e5466231c8",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 19:48:27.641137+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fbede-e98b-77da-a966-b2e5466231c8"
    },
    {
      "id": "chg_019fb2c9-7655-7609-9f75-4513b1353313",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:29:35.29934+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fb2c9-7655-7609-9f75-4513b1353313"
    },
    {
      "id": "chg_019fa745-bc6a-72b1-b7d2-d2f13af9ea7f",
      "kind": "advisory.identified",
      "family": "vulnerabilities",
      "subject_kind": "advisory",
      "subject": "GHSA-frvp-7c67-39w9",
      "subject_child": "",
      "from_code": null,
      "to_code": "cve.transitive",
      "from_value": null,
      "to_value": "medium",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "id": "GHSA-frvp-7c67-39w9",
        "severity": "medium"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 05:49:53.11776+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "GHSA-frvp-7c67-39w9 affects this package (medium)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fa745-bc6a-72b1-b7d2-d2f13af9ea7f"
    },
    {
      "id": "chg_019fa745-bc6a-786d-a5ba-4a81ff0a507d",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.none",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 05:49:53.11776+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fa745-bc6a-786d-a5ba-4a81ff0a507d"
    },
    {
      "id": "chg_019fa745-bc6a-7ce7-a9ee-c3a9bc686737",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.transitive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "path": "@modelcontextprotocol/sdk > @hono/node-server",
        "refs": "[\"GHSA-frvp-7c67-39w9\"]",
        "seen": "98",
        "package": "@hono/node-server",
        "version": "1.19.17",
        "assessed": "95",
        "resolved": "94",
        "severity": "medium",
        "transitive": "1",
        "unresolved": "4",
        "vulnerable": "[{\"name\":\"@hono/node-server\",\"version\":\"1.19.17\",\"depth\":2,\"path\":[\"@modelcontextprotocol/sdk\",\"@hono/node-server\"],\"refs\":[\"GHSA-frvp-7c67-39w9\"]}]",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 05:49:53.11776+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Known CVEs (unverified → fail)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fa745-bc6a-7ce7-a9ee-c3a9bc686737"
    },
    {
      "id": "chg_019fa745-bc6b-72af-9360-193996475758",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 05:49:53.11776+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-yafl-mcp/yafldev-mcp#chg-chg_019fa745-bc6b-72af-9360-193996475758"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 94,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 93,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-16",
      "total": 92,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 91,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-14",
      "total": 94,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 94,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-11",
      "total": 93,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-09",
      "total": 92,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}