{
  "capability": "cad.drawing.author@v1",
  "display_name": "二维 CAD 工程制图",
  "default_enrollment": false,
  "lifecycle": {
    "status": "active",
    "visibility": "standard",
    "replacement": null,
    "detail": "用于平面 CAD、户型图、布局图、实验室或车间设备布置、DXF 和门窗尺寸图；STEP、三维实体及仿真前处理请使用仿真几何准备（STEP），FCStd 请使用 FreeCAD。"
  },
  "output_namespace": "cad2d",
  "input_policy": {
    "suffixes": [],
    "max_count": 0,
    "max_bytes": 0,
    "max_total_bytes": 0
  },
  "outputs": {
    "drawing_dxf": {"filename": "drawing.dxf", "media_type": "image/vnd.dxf", "relative_path": "drawing.dxf", "publish": true, "required": true},
    "drawing_svg": {"filename": "drawing.svg", "media_type": "image/svg+xml", "relative_path": "drawing.svg", "publish": true, "required": true},
    "drawing_png": {"filename": "drawing.png", "media_type": "image/png", "relative_path": "drawing.png", "publish": true, "required": true},
    "drawing_pdf": {"filename": "drawing.pdf", "media_type": "application/pdf", "relative_path": "drawing.pdf", "publish": true, "required": true},
    "drawing_recipe": {"filename": "drawing-recipe.json", "media_type": "application/json", "relative_path": "drawing-recipe.json", "publish": true, "required": true},
    "drawing_manifest": {"filename": "drawing-manifest.json", "media_type": "application/json", "relative_path": "drawing-manifest.json", "publish": true, "required": true},
    "validation_report": {"filename": "validation-report.json", "media_type": "application/json", "relative_path": "validation-report.json", "publish": true, "required": true},
    "provenance": {"filename": "provenance.json", "media_type": "application/json", "relative_path": ".meta/provenance.json", "publish": false, "required": true}
  },
  "feature_path": ["operation", "drawing", "type"],
  "features": {"floor_plan": "1.0.0", "equipment_layout": "1.0.0"},
  "summary": {"title_path": ["operation", "drawing", "title"]},
  "legacy_runtime": null,
  "workspace": {
    "state_output": "drawing_dxf",
    "preview_outputs": ["drawing_png"],
    "required_adapter_version": "1.0.0"
  },
  "request_schema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "x-maxBytes": 524288,
    "required": ["schema_version", "inputs", "operation", "outputs"],
    "additionalProperties": false,
    "properties": {
      "schema_version": {"const": 1},
      "inputs": {"type": "array", "maxItems": 0},
      "operation": {
        "type": "object",
        "required": ["drawing"],
        "additionalProperties": false,
        "properties": {"drawing": {"$ref": "#/$defs/drawing"}}
      },
      "outputs": {"type": "array", "maxItems": 0}
    },
    "$defs": {
      "identifier": {"type": "string", "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"},
      "text": {"type": "string", "minLength": 1, "maxLength": 160, "pattern": "^[^\\u0000-\\u001F\\u007F]*$"},
      "coordinate": {"type": "number", "minimum": -1000000, "maximum": 1000000},
      "positive": {"type": "number", "exclusiveMinimum": 0, "maximum": 1000000},
      "point": {"type": "array", "minItems": 2, "maxItems": 2, "items": {"$ref": "#/$defs/coordinate"}},
      "size": {"type": "array", "minItems": 2, "maxItems": 2, "items": {"$ref": "#/$defs/positive"}},
      "sheet": {
        "type": "object",
        "required": ["size", "orientation", "scale"],
        "additionalProperties": false,
        "properties": {
          "size": {"enum": ["A4", "A3", "A2", "A1", "A0"]},
          "orientation": {"enum": ["portrait", "landscape"]},
          "scale": {"type": "integer", "enum": [10, 20, 25, 50, 100, 200, 500]}
        }
      },
      "wall": {
        "type": "object",
        "required": ["id", "start", "end", "thickness", "kind"],
        "additionalProperties": false,
        "properties": {
          "id": {"$ref": "#/$defs/identifier"}, "start": {"$ref": "#/$defs/point"}, "end": {"$ref": "#/$defs/point"},
          "thickness": {"type": "number", "minimum": 50, "maximum": 2000}, "kind": {"enum": ["exterior", "interior"]}
        }
      },
      "opening": {
        "type": "object",
        "required": ["id", "wall_id", "offset", "width", "type"],
        "additionalProperties": false,
        "properties": {
          "id": {"$ref": "#/$defs/identifier"}, "wall_id": {"$ref": "#/$defs/identifier"},
          "offset": {"type": "number", "minimum": 0, "maximum": 1000000}, "width": {"$ref": "#/$defs/positive"},
          "type": {"enum": ["single_door", "double_door", "sliding_door", "window", "high_window", "opening"]},
          "hinge": {"enum": ["start", "end"]}, "swing": {"enum": ["left", "right", "in", "out"]}
        }
      },
      "area": {
        "type": "object",
        "required": ["id", "boundary", "name", "label_position", "show_area"],
        "additionalProperties": false,
        "properties": {
          "id": {"$ref": "#/$defs/identifier"}, "boundary": {"type": "array", "minItems": 4, "maxItems": 256, "items": {"$ref": "#/$defs/point"}},
          "name": {"$ref": "#/$defs/text"}, "label_position": {"$ref": "#/$defs/point"}, "show_area": {"type": "boolean"}
        }
      },
      "object": {
        "type": "object",
        "required": ["id", "type", "position"],
        "additionalProperties": false,
        "properties": {
          "id": {"$ref": "#/$defs/identifier"},
          "type": {"enum": ["desk", "chair", "cabinet", "lab_bench", "fume_hood", "machine", "tank", "safety_exit", "extinguisher", "custom_rectangle", "custom_circle"]},
          "position": {"$ref": "#/$defs/point"}, "size": {"$ref": "#/$defs/size"},
          "radius": {"$ref": "#/$defs/positive"}, "rotation": {"type": "number", "minimum": -360, "maximum": 360}, "label": {"$ref": "#/$defs/text"}
        }
      },
      "linear_dimension": {
        "type": "object", "required": ["id", "type", "start", "end", "offset"], "additionalProperties": false,
        "properties": {"id": {"$ref": "#/$defs/identifier"}, "type": {"enum": ["horizontal", "vertical", "aligned"]}, "start": {"$ref": "#/$defs/point"}, "end": {"$ref": "#/$defs/point"}, "offset": {"$ref": "#/$defs/coordinate"}}
      },
      "multi_dimension": {
        "type": "object", "required": ["id", "type", "points", "offset"], "additionalProperties": false,
        "properties": {"id": {"$ref": "#/$defs/identifier"}, "type": {"enum": ["chain", "overall"]}, "points": {"type": "array", "minItems": 2, "maxItems": 64, "items": {"$ref": "#/$defs/point"}}, "offset": {"$ref": "#/$defs/coordinate"}}
      },
      "dimension": {"oneOf": [{"$ref": "#/$defs/linear_dimension"}, {"$ref": "#/$defs/multi_dimension"}]},
      "note": {
        "type": "object", "required": ["id", "position", "text"], "additionalProperties": false,
        "properties": {"id": {"$ref": "#/$defs/identifier"}, "position": {"$ref": "#/$defs/point"}, "text": {"$ref": "#/$defs/text"}, "rotation": {"type": "number", "minimum": -360, "maximum": 360}}
      },
      "drawing": {
        "type": "object",
        "required": ["type", "recipe_version", "title", "unit", "sheet", "walls", "openings", "areas", "objects", "dimensions", "notes"],
        "additionalProperties": false,
        "properties": {
          "type": {"enum": ["floor_plan", "equipment_layout"]}, "recipe_version": {"const": 1},
          "title": {"$ref": "#/$defs/text"}, "unit": {"const": "mm"}, "sheet": {"$ref": "#/$defs/sheet"},
          "walls": {"type": "array", "maxItems": 256, "items": {"$ref": "#/$defs/wall"}},
          "openings": {"type": "array", "maxItems": 256, "items": {"$ref": "#/$defs/opening"}},
          "areas": {"type": "array", "maxItems": 128, "items": {"$ref": "#/$defs/area"}},
          "objects": {"type": "array", "maxItems": 256, "items": {"$ref": "#/$defs/object"}},
          "dimensions": {"type": "array", "maxItems": 256, "items": {"$ref": "#/$defs/dimension"}},
          "notes": {"type": "array", "maxItems": 128, "items": {"$ref": "#/$defs/note"}}
        }
      }
    }
  }
}