{
  "initialContextSuite": {
    "tests": 16,
    "passed": 14,
    "failed": 2,
    "cause": "Generic type parameter binders were emitted as independent declarations",
    "resolution": "Skip type-parameter declaration nodes; retain the enclosing generic signature and its bounds"
  },
  "initialModuleFixture": "Negative parser tests initially included unrelated ESM/CJS diagnostics TS1479 and TS1541; fixture configuration was corrected before accepting negative evidence.",
  "initialDotdogCorpus": [
    {
      "compiler": "5.9.3",
      "options": {
        "strict": true,
        "exactOptionalPropertyTypes": true,
        "skipLibCheck": false,
        "target": "ESNext",
        "module": "NodeNext"
      },
      "diagnostics": [
        {
          "code": 2375,
          "file": "packages/dotdog/src/dag/schema.ts",
          "line": 131
        },
        {
          "code": 2375,
          "file": "packages/dotdog/src/dag/schema.ts",
          "line": 146
        },
        {
          "code": 2835,
          "file": "packages/dotdog/src/workspace/selection.ts",
          "line": 1
        }
      ]
    },
    {
      "compiler": "6.0.3",
      "options": {
        "strict": true,
        "exactOptionalPropertyTypes": true,
        "skipLibCheck": false,
        "target": "ESNext",
        "module": "NodeNext"
      },
      "diagnostics": [
        {
          "code": 2375,
          "file": "packages/dotdog/src/dag/schema.ts",
          "line": 131
        },
        {
          "code": 2375,
          "file": "packages/dotdog/src/dag/schema.ts",
          "line": 146
        },
        {
          "code": 2835,
          "file": "packages/dotdog/src/workspace/selection.ts",
          "line": 1
        }
      ]
    }
  ],
  "brandMarkerRegression": "Computed unique-symbol references required their own traversal; a dedicated regression now verifies retention of a local marker declaration.",
  "optionalPropertyPolicy": "The remaining optional-field mismatch is TS2379, reproduced on both compiler versions rather than suppressed."
}