[
  {
    "id": "T001",
    "description": "Visual editor renders nested `Design` and `Preview` tabs under `Visual`",
    "implemented": true,
    "featureIds": [
      "F001"
    ],
    "type": "component"
  },
  {
    "id": "T002",
    "description": "Top-level `Visual` and `Code` tab behavior remains intact after adding preview workflow",
    "implemented": true,
    "featureIds": [
      "F002"
    ],
    "type": "component"
  },
  {
    "id": "T003",
    "description": "Preview session state initializes with idle compile/render/verify statuses",
    "implemented": true,
    "featureIds": [
      "F003"
    ],
    "type": "unit"
  },
  {
    "id": "T004",
    "description": "Switching preview source Sample<->Existing updates state without losing current design draft",
    "implemented": true,
    "featureIds": [
      "F003",
      "F004",
      "F030"
    ],
    "type": "component"
  },
  {
    "id": "T005",
    "description": "Sample source renders at least three curated scenarios",
    "implemented": true,
    "featureIds": [
      "F005"
    ],
    "type": "unit"
  },
  {
    "id": "T006",
    "description": "Sample scenario payloads map to required renderer fields and numeric types",
    "implemented": true,
    "featureIds": [
      "F005",
      "F007"
    ],
    "type": "unit"
  },
  {
    "id": "T007",
    "description": "Existing invoice selector queries paginated invoice list with tenant scope",
    "implemented": true,
    "featureIds": [
      "F006"
    ],
    "type": "integration"
  },
  {
    "id": "T008",
    "description": "Existing invoice selector supports search term filtering",
    "implemented": true,
    "featureIds": [
      "F006"
    ],
    "type": "integration"
  },
  {
    "id": "T009",
    "description": "Selecting existing invoice fetches detailed invoice payload",
    "implemented": true,
    "featureIds": [
      "F007"
    ],
    "type": "integration"
  },
  {
    "id": "T010",
    "description": "Invoice payload normalization handles null/optional fields without crash",
    "implemented": true,
    "featureIds": [
      "F007"
    ],
    "type": "unit"
  },
  {
    "id": "T011",
    "description": "GUI workspace is converted into compiler IR containing all supported node types",
    "implemented": true,
    "featureIds": [
      "F008"
    ],
    "type": "unit"
  },
  {
    "id": "T012",
    "description": "IR extraction preserves parent-child hierarchy and layout metadata",
    "implemented": true,
    "featureIds": [
      "F008"
    ],
    "type": "unit"
  },
  {
    "id": "T013",
    "description": "Equivalent workspace inputs produce deterministic AssemblyScript output text",
    "implemented": true,
    "featureIds": [
      "F009",
      "F032"
    ],
    "type": "unit"
  },
  {
    "id": "T014",
    "description": "Code generation output includes field binding logic for supported field nodes",
    "implemented": true,
    "featureIds": [
      "F010"
    ],
    "type": "unit"
  },
  {
    "id": "T015",
    "description": "Code generation output includes table and dynamic-table row rendering logic",
    "implemented": true,
    "featureIds": [
      "F010"
    ],
    "type": "unit"
  },
  {
    "id": "T016",
    "description": "Code generation output includes totals calculations/formatting hooks",
    "implemented": true,
    "featureIds": [
      "F010"
    ],
    "type": "unit"
  },
  {
    "id": "T017",
    "description": "Code generation output includes style/layout declarations derived from GUI constraints",
    "implemented": true,
    "featureIds": [
      "F011"
    ],
    "type": "unit"
  },
  {
    "id": "T018",
    "description": "Compiler diagnostics map generated errors back to source GUI node ids when available",
    "implemented": true,
    "featureIds": [
      "F012",
      "F015"
    ],
    "type": "unit"
  },
  {
    "id": "T019",
    "description": "Transient preview compile uses same AssemblyScript compiler flags/options as production compile",
    "implemented": true,
    "featureIds": [
      "F013"
    ],
    "type": "integration"
  },
  {
    "id": "T020",
    "description": "Compile cache reuses artifacts when generated source hash is unchanged",
    "implemented": true,
    "featureIds": [
      "F014"
    ],
    "type": "unit"
  },
  {
    "id": "T021",
    "description": "Compile cache invalidates and recompiles when generated source changes",
    "implemented": true,
    "featureIds": [
      "F014"
    ],
    "type": "unit"
  },
  {
    "id": "T022",
    "description": "Compile failure state displays actionable error message in preview",
    "implemented": true,
    "featureIds": [
      "F015",
      "F021"
    ],
    "type": "component"
  },
  {
    "id": "T023",
    "description": "Preview compile action performs no invoice/template DB writes",
    "implemented": true,
    "featureIds": [
      "F016"
    ],
    "type": "integration"
  },
  {
    "id": "T024",
    "description": "Preview render path executes compiled Wasm via same runtime used for real invoice rendering",
    "implemented": true,
    "featureIds": [
      "F017",
      "F033"
    ],
    "type": "integration"
  },
  {
    "id": "T025",
    "description": "Preview HTML/CSS output shape matches output contract of real render pipeline",
    "implemented": true,
    "featureIds": [
      "F017"
    ],
    "type": "integration"
  },
  {
    "id": "T026",
    "description": "Preview does not use design-canvas scaffold renderer for authoritative output",
    "implemented": true,
    "featureIds": [
      "F018"
    ],
    "type": "integration"
  },
  {
    "id": "T027",
    "description": "Rapid design edits trigger debounced compile+render runs rather than immediate unbounded recompiles",
    "implemented": true,
    "featureIds": [
      "F019"
    ],
    "type": "unit"
  },
  {
    "id": "T028",
    "description": "Manual rerun control triggers compile+render+verify even when no model delta is detected",
    "implemented": true,
    "featureIds": [
      "F020"
    ],
    "type": "component"
  },
  {
    "id": "T029",
    "description": "Preview shows loading indicator during compile/render lifecycle",
    "implemented": true,
    "featureIds": [
      "F021"
    ],
    "type": "component"
  },
  {
    "id": "T030",
    "description": "Preview shows empty state when no preview data is selected",
    "implemented": true,
    "featureIds": [
      "F021"
    ],
    "type": "component"
  },
  {
    "id": "T031",
    "description": "Preview shows distinct verification-error state when layout check fails to execute",
    "implemented": true,
    "featureIds": [
      "F021",
      "F026"
    ],
    "type": "component"
  },
  {
    "id": "T032",
    "description": "Preview mode blocks drag operations",
    "implemented": true,
    "featureIds": [
      "F022"
    ],
    "type": "component"
  },
  {
    "id": "T033",
    "description": "Preview mode blocks resize operations",
    "implemented": true,
    "featureIds": [
      "F022"
    ],
    "type": "component"
  },
  {
    "id": "T034",
    "description": "Preview mode ignores destructive shortcuts (delete/backspace)",
    "implemented": true,
    "featureIds": [
      "F022"
    ],
    "type": "component"
  },
  {
    "id": "T035",
    "description": "Expected layout constraints extraction covers spacing/alignment/sizing/containment fields",
    "implemented": true,
    "featureIds": [
      "F023"
    ],
    "type": "unit"
  },
  {
    "id": "T036",
    "description": "Rendered geometry collector produces normalized bounding boxes for relevant rendered elements",
    "implemented": true,
    "featureIds": [
      "F024"
    ],
    "type": "integration"
  },
  {
    "id": "T037",
    "description": "Layout comparator passes when rendered geometry is within configured tolerance thresholds",
    "implemented": true,
    "featureIds": [
      "F025",
      "F034"
    ],
    "type": "unit"
  },
  {
    "id": "T038",
    "description": "Layout comparator fails when rendered geometry exceeds tolerance thresholds",
    "implemented": true,
    "featureIds": [
      "F025",
      "F034"
    ],
    "type": "unit"
  },
  {
    "id": "T039",
    "description": "Verification mismatch report includes failing constraint id, expected value, actual value, and delta",
    "implemented": true,
    "featureIds": [
      "F026"
    ],
    "type": "unit"
  },
  {
    "id": "T040",
    "description": "Preview UI displays pass badge when all layout constraints are satisfied",
    "implemented": true,
    "featureIds": [
      "F027"
    ],
    "type": "component"
  },
  {
    "id": "T041",
    "description": "Preview UI displays issue badge when one or more constraints fail",
    "implemented": true,
    "featureIds": [
      "F027"
    ],
    "type": "component"
  },
  {
    "id": "T042",
    "description": "Save action persists compiler-generated AssemblyScript source associated with current GUI design",
    "implemented": true,
    "featureIds": [
      "F028"
    ],
    "type": "integration"
  },
  {
    "id": "T043",
    "description": "Save action persists compiled Wasm artifact from generated source (or recompiles equivalently)",
    "implemented": true,
    "featureIds": [
      "F028"
    ],
    "type": "integration"
  },
  {
    "id": "T044",
    "description": "Code tab behavior for GUI templates follows defined source-of-truth rule",
    "implemented": true,
    "featureIds": [
      "F029"
    ],
    "type": "component"
  },
  {
    "id": "T045",
    "description": "Switching between Visual and Code does not desynchronize generated source and GUI model",
    "implemented": true,
    "featureIds": [
      "F029",
      "F030"
    ],
    "type": "integration"
  },
  {
    "id": "T046",
    "description": "Workspace hydration from source/localStorage remains functional with compiler-enabled preview",
    "implemented": true,
    "featureIds": [
      "F030"
    ],
    "type": "integration"
  },
  {
    "id": "T047",
    "description": "Preview controls expose stable automation IDs",
    "implemented": true,
    "featureIds": [
      "F031"
    ],
    "type": "component"
  },
  {
    "id": "T048",
    "description": "Compile/render/verify status indicators expose stable automation IDs",
    "implemented": true,
    "featureIds": [
      "F031"
    ],
    "type": "component"
  },
  {
    "id": "T049",
    "description": "Verification mismatch list exposes stable automation IDs",
    "implemented": true,
    "featureIds": [
      "F031"
    ],
    "type": "component"
  },
  {
    "id": "T050",
    "description": "Unit suite includes deterministic compiler golden tests for representative design fixtures",
    "implemented": true,
    "featureIds": [
      "F032"
    ],
    "type": "unit"
  },
  {
    "id": "T051",
    "description": "Integration tests prove preview render output parity with real runtime for same generated template and invoice data",
    "implemented": true,
    "featureIds": [
      "F033"
    ],
    "type": "integration"
  },
  {
    "id": "T052",
    "description": "Layout verification test fixture passes when design and render are aligned",
    "implemented": true,
    "featureIds": [
      "F034"
    ],
    "type": "integration"
  },
  {
    "id": "T053",
    "description": "Layout verification test fixture fails with expected mismatch set when render diverges from design",
    "implemented": true,
    "featureIds": [
      "F034"
    ],
    "type": "integration"
  },
  {
    "id": "T054",
    "description": "End-to-end flow covers design edit -> authoritative preview -> verification -> save",
    "implemented": true,
    "featureIds": [
      "F035"
    ],
    "type": "e2e"
  },
  {
    "id": "T055",
    "description": "End-to-end flow covers existing invoice selection and authoritative preview update",
    "implemented": true,
    "featureIds": [
      "F035"
    ],
    "type": "e2e"
  },
  {
    "id": "T056",
    "description": "Documentation is updated to describe GUI compiler pipeline and verification semantics",
    "implemented": true,
    "featureIds": [
      "F036"
    ],
    "type": "docs"
  }
]