{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "zhouhengchang-code-refactor",
  "component": "code-refactor-api",
  "generated_at": "2026-11-05T05:40:06.264Z",
  "tracking_since": "2026-10-18",
  "counts": {
    "critical": 0,
    "security": 30,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a975-cd6d-7f37-9630-7ebb6269db8d",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "17",
        "added": "18",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 02:07:12.203873+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a975-cd6d-7f37-9630-7ebb6269db8d"
    },
    {
      "id": "chg_01a1a975-cd70-7e82-930a-9f628d845e24",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 02:07:12.203873+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a975-cd70-7e82-930a-9f628d845e24"
    },
    {
      "id": "chg_01a1a975-cd70-76d6-8d50-b14081ae6e38",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 02:07:12.203873+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a975-cd70-76d6-8d50-b14081ae6e38"
    },
    {
      "id": "chg_01a1a975-cd6f-7b80-868d-c88642940f18",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.challenge_only_invoke",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 02:07:12.203873+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a975-cd6f-7b80-868d-c88642940f18"
    },
    {
      "id": "chg_01a1a44f-f460-7268-99a2-8b4b21789346",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.insufficient_history",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:07:45.744437+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a44f-f460-7268-99a2-8b4b21789346"
    },
    {
      "id": "chg_01a1a44f-f462-749c-b170-e1c22fc5df50",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:07:45.744437+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a44f-f462-749c-b170-e1c22fc5df50"
    },
    {
      "id": "chg_01a1a44f-f463-7cba-8d63-bd1b03cb6999",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:07:45.744437+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a44f-f463-7cba-8d63-bd1b03cb6999"
    },
    {
      "id": "chg_01a1a44f-f464-7b87-9eb9-2543893d8d36",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.unreachable",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:07:45.744437+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a44f-f464-7b87-9eb9-2543893d8d36"
    },
    {
      "id": "chg_01a1a44f-f468-7d4d-a59c-fccc7ef11449",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "unreachable",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "unreachable",
        "from": "verified"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 02:07:45.744437+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1a44f-f468-7d4d-a59c-fccc7ef11449"
    },
    {
      "id": "chg_01a18a90-8481-7308-b2d7-b7d35fbc0a07",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.challenge_only_invoke",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 02:08:09.291365+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a18a90-8481-7308-b2d7-b7d35fbc0a07"
    },
    {
      "id": "chg_01a18569-7b05-7e2a-ab07-87c308cd91e4",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.challenge_only_invoke",
      "to_code": "auth.none_undeclared",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "18"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 02:07:24.895764+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a18569-7b05-7e2a-ab07-87c308cd91e4"
    },
    {
      "id": "chg_01a170d0-e4c0-71e4-bf40-1ea3eefd3349",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-25",
      "occurred_at": "2026-10-25 02:08:20.592463+00",
      "observed_since": "2026-10-24",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a170d0-e4c0-71e4-bf40-1ea3eefd3349"
    },
    {
      "id": "chg_01a16baa-1a01-72bc-bce8-f55b056c4b10",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "525",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 02:07:52.300525+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16baa-1a01-72bc-bce8-f55b056c4b10"
    },
    {
      "id": "chg_01a16683-9942-7749-8810-0f04fd0be22a",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "4",
        "added": "13",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9942-7749-8810-0f04fd0be22a"
    },
    {
      "id": "chg_01a16683-9943-7911-86f2-d28c7fc4c9c9",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.challenge_only_invoke",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9943-7911-86f2-d28c7fc4c9c9"
    },
    {
      "id": "chg_01a16683-9943-7ef3-b743-0d50ab5467d4",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9943-7ef3-b743-0d50ab5467d4"
    },
    {
      "id": "chg_01a16683-9944-759b-b03b-f86781ec3d3b",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9944-759b-b03b-f86781ec3d3b"
    },
    {
      "id": "chg_01a16683-9946-7bdc-ba49-75f3751c029a",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "check_status"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Tool “check_status” was removed",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9946-7bdc-ba49-75f3751c029a"
    },
    {
      "id": "chg_01a16683-9947-725b-9cb8-7661e4b0017b",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "refactor_code",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "refactor_code"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Tool “refactor_code” was removed",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-9947-725b-9cb8-7661e4b0017b"
    },
    {
      "id": "chg_01a16683-994b-7d8f-98c0-f70ef8b897db",
      "kind": "server.name_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "skillgateway",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "code-refactor",
      "to_value": "skillgateway",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "skillgateway",
        "from": "code-refactor"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "The server changed its declared name (code-refactor → skillgateway)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-994b-7d8f-98c0-f70ef8b897db"
    },
    {
      "id": "chg_01a16683-994c-7333-b187-ed2f637e2a2c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-994c-7333-b187-ed2f637e2a2c"
    },
    {
      "id": "chg_01a16683-994c-7a37-be28-018b327dd326",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "2",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 02:07:42.883182+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a16683-994c-7a37-be28-018b327dd326"
    },
    {
      "id": "chg_01a1615d-51c6-7383-a4a0-c4c584f7f063",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 02:07:48.129655+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1615d-51c6-7383-a4a0-c4c584f7f063"
    },
    {
      "id": "chg_01a1615d-51c5-71f7-9737-73b543488687",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 02:07:48.129655+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Authorization (Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1615d-51c5-71f7-9737-73b543488687"
    },
    {
      "id": "chg_01a1615d-51c4-7db8-ab80-4708d12f2f2e",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 02:07:48.129655+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1615d-51c4-7db8-ab80-4708d12f2f2e"
    },
    {
      "id": "chg_01a1615d-51c4-7982-9d64-59519788c8d1",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "501",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 02:07:48.129655+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1615d-51c4-7982-9d64-59519788c8d1"
    },
    {
      "id": "chg_01a1615d-51c4-7058-86a2-82f5a720193c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.07",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-22",
      "occurred_at": "2026-10-22 02:07:48.129655+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "Stability (0.07 → unverified)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a1615d-51c4-7058-86a2-82f5a720193c"
    },
    {
      "id": "chg_01a151ea-6cef-7d42-a0cc-caf8938f32da",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-19",
      "occurred_at": "2026-10-19 02:08:00.222413+00",
      "observed_since": "2026-10-18",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a151ea-6cef-7d42-a0cc-caf8938f32da"
    },
    {
      "id": "chg_01a151ea-6cf0-7859-ae34-881d793f4501",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "3",
        "judged": "3"
      },
      "occurred_on": "2026-10-19",
      "occurred_at": "2026-10-19 02:08:00.222413+00",
      "observed_since": "2026-10-18",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a151ea-6cf0-7859-ae34-881d793f4501"
    },
    {
      "id": "chg_01a151ea-6cf1-7416-99d0-da8cccc905e3",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "2"
      },
      "occurred_on": "2026-10-19",
      "occurred_at": "2026-10-19 02:08:00.222413+00",
      "observed_since": "2026-10-18",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 2 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/zhouhengchang-code-refactor/code-refactor-api#chg-chg_01a151ea-6cf1-7416-99d0-da8cccc905e3"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 72,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-11-04",
      "total": 72,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-30",
      "total": 72,
      "delta": 10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-29",
      "total": 62,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-25",
      "total": 72,
      "delta": 10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-24",
      "total": 62,
      "delta": -10,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-23",
      "total": 72,
      "delta": 49,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 26
    },
    {
      "date": "2026-10-22",
      "total": 23,
      "delta": -41,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    }
  ]
}