[
  {
    "id": "T001",
    "description": "Finalize returns HTTP 409 with stable duplicate-version error code when manifest version already exists for extension",
    "implemented": true,
    "featureIds": [
      "F001",
      "F002"
    ],
    "type": "integration"
  },
  {
    "id": "T002",
    "description": "Duplicate-version 409 payload includes user-friendly message with conflicting version value",
    "implemented": true,
    "featureIds": [
      "F001"
    ],
    "type": "integration"
  },
  {
    "id": "T003",
    "description": "Finalize rejects duplicate version when incoming content hash is identical to existing bundle hash",
    "implemented": true,
    "featureIds": [
      "F002"
    ],
    "type": "integration"
  },
  {
    "id": "T004",
    "description": "Finalize rejects duplicate version when incoming content hash differs from existing bundle hash",
    "implemented": true,
    "featureIds": [
      "F002"
    ],
    "type": "integration"
  },
  {
    "id": "T005",
    "description": "Version-upsert path does not create a new extension_bundle row for duplicate version attempts",
    "implemented": true,
    "featureIds": [
      "F003",
      "F016"
    ],
    "type": "integration"
  },
  {
    "id": "T006",
    "description": "Concurrent finalize requests for same publisher/name/version map losing request to friendly duplicate-version 409",
    "implemented": true,
    "featureIds": [
      "F004",
      "F015"
    ],
    "type": "integration"
  },
  {
    "id": "T007",
    "description": "DB unique violation for (registry_id, version) is normalized to duplicate-version code and message",
    "implemented": true,
    "featureIds": [
      "F004",
      "F005"
    ],
    "type": "unit"
  },
  {
    "id": "T008",
    "description": "Finalize HTTP route returns same duplicate-version payload shape as server action result",
    "implemented": true,
    "featureIds": [
      "F005"
    ],
    "type": "integration"
  },
  {
    "id": "T009",
    "description": "Installer UI shows duplicate-version friendly message from finalize response without generic fallback text",
    "implemented": true,
    "featureIds": [
      "F006"
    ],
    "type": "integration"
  },
  {
    "id": "T010",
    "description": "CLI publish surfaces duplicate-version response message from finalize path",
    "implemented": true,
    "featureIds": [
      "F005"
    ],
    "type": "integration"
  },
  {
    "id": "T011",
    "description": "Version list backend returns all versions for given registry extension sorted newest first",
    "implemented": true,
    "featureIds": [
      "F007",
      "F011"
    ],
    "type": "integration"
  },
  {
    "id": "T012",
    "description": "Version list backend includes version string and publish timestamp fields for each row",
    "implemented": true,
    "featureIds": [
      "F008"
    ],
    "type": "unit"
  },
  {
    "id": "T013",
    "description": "Version list backend includes deterministic latest content hash metadata per version",
    "implemented": true,
    "featureIds": [
      "F008",
      "F010"
    ],
    "type": "integration"
  },
  {
    "id": "T014",
    "description": "Version list marks installed=true only for row matching tenant_extension_install.version_id",
    "implemented": true,
    "featureIds": [
      "F009"
    ],
    "type": "integration"
  },
  {
    "id": "T015",
    "description": "Version list handles extension with no install row by returning all rows installed=false",
    "implemented": true,
    "featureIds": [
      "F009"
    ],
    "type": "integration"
  },
  {
    "id": "T016",
    "description": "Legacy data case: one version with multiple bundle rows still returns one deterministic viewer row",
    "implemented": true,
    "featureIds": [
      "F010",
      "F017"
    ],
    "type": "integration"
  },
  {
    "id": "T017",
    "description": "Extension Details page renders Versions section heading and table when version data exists",
    "implemented": true,
    "featureIds": [
      "F011",
      "F012",
      "F018"
    ],
    "type": "integration"
  },
  {
    "id": "T018",
    "description": "Versions table renders expected columns Version, Published, Content hash, Installed",
    "implemented": true,
    "featureIds": [
      "F012"
    ],
    "type": "integration"
  },
  {
    "id": "T019",
    "description": "Versions table rows are sorted newest-first by publish timestamp",
    "implemented": true,
    "featureIds": [
      "F011",
      "F012",
      "F018"
    ],
    "type": "integration"
  },
  {
    "id": "T020",
    "description": "Versions section renders empty-state copy when backend returns no rows",
    "implemented": true,
    "featureIds": [
      "F013",
      "F018"
    ],
    "type": "integration"
  },
  {
    "id": "T021",
    "description": "Unauthorized caller cannot access version-list backend action/route without extension read permission",
    "implemented": true,
    "featureIds": [
      "F014"
    ],
    "type": "integration"
  },
  {
    "id": "T022",
    "description": "Authorized extension-read caller can access version-list backend action/route",
    "implemented": true,
    "featureIds": [
      "F014"
    ],
    "type": "integration"
  },
  {
    "id": "T023",
    "description": "Strict immutability leaves existing historical duplicate-bundle data untouched (no destructive migration)",
    "implemented": true,
    "featureIds": [
      "F002",
      "F010"
    ],
    "type": "integration"
  },
  {
    "id": "T024",
    "description": "Finalize happy path still succeeds for brand-new version values",
    "implemented": true,
    "featureIds": [
      "F002",
      "F005"
    ],
    "type": "integration"
  }
]