{
  "id": "tdd",
  "role": "feature",
  "version": "1.7.0-rc.2",
  "title": "Test-driven development",
  "description": "Injects TDD heuristics into the planner and enforces RED/GREEN gate compliance on type:tdd plans after execution. Owns workflow.tdd_mode; the --tdd CLI flag is the ephemeral override.",
  "tier": "full",
  "requires": [],
  "engines": {
    "gsd": ">=1.6.0"
  },
  "runtimeCompat": {
    "supported": [
      "*"
    ],
    "unsupported": []
  },
  "skills": [],
  "agents": [],
  "hooks": [],
  "config": {
    "workflow.tdd_mode": {
      "type": "boolean",
      "default": false,
      "description": "Enable TDD mode: planner annotates eligible tasks type:tdd and executor enforces RED/GREEN/REFACTOR gate sequence."
    }
  },
  "steps": [],
  "contributions": [
    {
      "point": "plan:pre",
      "into": "planner",
      "fragment": {
        "inline": "<tdd_mode_active>\n**TDD Mode is ENABLED.** Apply TDD heuristics to all eligible tasks:\n- Business logic with defined I/O → type: tdd\n- API endpoints with request/response contracts → type: tdd\n- Data transformations, validation, algorithms → type: tdd\n- UI, config, glue code, CRUD → standard plan (type: execute)\nEach TDD plan gets one feature with RED/GREEN/REFACTOR gate sequence.\n</tdd_mode_active>"
      },
      "produces": [],
      "consumes": [],
      "when": "workflow.tdd_mode",
      "onError": "skip"
    }
  ],
  "gates": [
    {
      "point": "execute:post",
      "check": {
        "query": "tdd.review-checkpoint"
      },
      "when": "workflow.tdd_mode",
      "blocking": false,
      "onError": "skip"
    }
  ]
}