{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cdsl.local/schema/cad.cdsl.llm.v1",
  "title": "CDSL semantic document",
  "description": "Complete self-contained CDSL. Runtime-supported operations can be rebuilt by the local CDSL-only engine; deferred operations are retained for future engine implementations.",
  "type": "object",
  "properties": {
    "schema": {"enum": ["cad.cdsl.llm.v1", "cad.runtime.v1"]},
    "schema_version": {"type": "string"},
    "kind": {"type": "string", "minLength": 1},
    "part_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{3,80}$"},
    "meta": {"type": "object"},
    "bodies": {"type": "array", "items": {"$ref": "#/$defs/runtimeBody"}},
    "geometry": {
      "type": "object",
      "properties": {
        "sketches": {"type": "array", "items": {"$ref": "#/$defs/sketch"}}
      },
      "required": ["sketches"],
      "additionalProperties": false
    },
    "features": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/feature"}}
  },
  "required": ["schema", "geometry", "features"],
  "additionalProperties": false,
  "$defs": {
    "featureIntent": {
      "type": "object",
      "properties": {
        "label": {"type": "string", "pattern": "^[a-z][a-z0-9_]{2,63}$"},
        "summary": {"type": "string", "minLength": 1, "maxLength": 80},
        "why": {"type": "string", "minLength": 1, "maxLength": 400},
        "ties_to_requirement": {"type": "string", "pattern": "^[A-Za-z0-9_.:-]{1,80}$"},
        "provenance": {"enum": ["authored", "annotated", "imported"]}
      },
      "required": ["summary", "provenance"],
      "additionalProperties": false
    },
    "number": {"type": "number"},
    "positive": {"type": "number", "exclusiveMinimum": 0},
    "positiveInteger": {"type": "integer", "minimum": 1},
    "runtimeBody": {
      "type": "object",
      "properties": {
        "id": {"type": "string", "pattern": "^body_[0-9]{3}$"},
        "name": {"type": "string", "pattern": "^[a-z][a-z0-9_]{0,63}$"}
      },
      "required": ["id", "name"],
      "additionalProperties": false
    },
    "point2": {"type": "array", "items": {"$ref": "#/$defs/number"}, "minItems": 2, "maxItems": 2},
    "point3": {"type": "array", "items": {"$ref": "#/$defs/number"}, "minItems": 3, "maxItems": 3},
    "circleItem": {
      "type": "object",
      "properties": {"center": {"$ref": "#/$defs/point2"}, "radius_mm": {"$ref": "#/$defs/positive"}},
      "required": ["radius_mm"],
      "additionalProperties": false
    },
    "workplane": {
      "type": "object",
      "properties": {
        "origin_mm": {"$ref": "#/$defs/point3"},
        "x_dir": {"$ref": "#/$defs/point3"},
        "y_dir": {"$ref": "#/$defs/point3"},
        "normal": {"$ref": "#/$defs/point3"}
      },
      "required": ["origin_mm", "x_dir", "normal"],
      "additionalProperties": false
    },
    "hostFace": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "frame": {
              "type": "object",
              "properties": {
                "origin_mm": {"$ref": "#/$defs/point3"},
                "x_dir": {"$ref": "#/$defs/point3"},
                "y_dir": {"$ref": "#/$defs/point3"},
                "normal": {"$ref": "#/$defs/point3"}
              },
              "required": ["origin_mm", "x_dir", "y_dir", "normal"],
              "additionalProperties": false
            }
          },
          "required": ["frame"],
          "additionalProperties": false
        },
        {"$ref": "#/$defs/selectorRef"}
      ]
    },
    "holePosition": {
      "type": "object",
      "properties": {"mm": {"$ref": "#/$defs/point3"}},
      "required": ["mm"],
      "additionalProperties": false
    },
    "axis": {
      "type": "object",
      "properties": {"origin_mm": {"$ref": "#/$defs/point3"}, "direction": {"$ref": "#/$defs/point3"}, "selector": {"$ref": "#/$defs/selectorRef"}, "unresolved": {"type": "string", "minLength": 1}},
      "anyOf": [{"required": ["origin_mm", "direction"]}, {"required": ["selector"]}, {"required": ["unresolved"]}],
      "additionalProperties": false
    },
    "endCondition": {
      "type": "object",
      "properties": {
        "type": {"type": "string", "minLength": 1},
        "solidworks_code": {"type": "integer"},
        "reference": {"oneOf": [{"$ref": "#/$defs/selectorRef"}, {"$ref": "#/$defs/sourceVertexDatumRef"}]},
        "offset_mm": {"type": "number", "minimum": 0}
      },
      "required": ["type", "solidworks_code"],
      "additionalProperties": false
    },
    "sourceVertexDatumRef": {
      "type": "object",
      "properties": {
        "kind": {"const": "source_vertex"},
        "source_sketch_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "point_mm": {"$ref": "#/$defs/point3"}
      },
      "required": ["kind", "source_sketch_id", "source_entity_id", "point_mm"],
      "additionalProperties": false
    },
    "selectorOrUnresolved": {
      "oneOf": [
        {"$ref": "#/$defs/selectorRef"},
        {"type": "object", "properties": {"unresolved": {"type": "string", "minLength": 1}}, "required": ["unresolved"], "additionalProperties": false}
      ]
    },
    "extrudeParams": {
      "type": "object",
      "properties": {"distance_mm": {"$ref": "#/$defs/number"}, "reverse": {"type": "boolean"}, "reverse_distance_mm": {"$ref": "#/$defs/number"}, "end_condition": {"$ref": "#/$defs/endCondition"}, "reverse_end_condition": {"$ref": "#/$defs/endCondition"}, "draft": {"$ref": "#/$defs/extrudeDraft"}, "result_mode": {"enum": ["fuse", "new_body"]}},
      "required": ["distance_mm"],
      "additionalProperties": false
    },
    "extrudeFromFaceParams": {
      "type": "object",
      "properties": {"distance_mm": {"$ref": "#/$defs/number"}, "operation": {"enum": ["add", "cut"]}, "reverse": {"type": "boolean"}, "reverse_distance_mm": {"$ref": "#/$defs/number"}, "two_sided": {"type": "boolean"}, "end_condition": {"$ref": "#/$defs/endCondition"}, "reverse_end_condition": {"$ref": "#/$defs/endCondition"}, "draft": {"$ref": "#/$defs/extrudeDraft"}, "result_mode": {"enum": ["fuse", "new_body"]}},
      "required": ["distance_mm", "operation"],
      "additionalProperties": false
    },
    "extrudeDraft": {
      "type": "object",
      "properties": {"angle_deg": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 90}, "pull_direction": {"type": "boolean"}},
      "required": ["angle_deg", "pull_direction"],
      "additionalProperties": false
    },
    "extrudeCutThroughParams": {
      "type": "object",
      "properties": {"reverse": {"type": "boolean"}, "end_condition": {"$ref": "#/$defs/endCondition"}},
      "required": ["end_condition"],
      "additionalProperties": false
    },
    "loftParams": {
      "type": "object",
      "properties": {
        "profile_sketch_ids": {
          "type": "array",
          "minItems": 2,
          "maxItems": 16,
          "uniqueItems": true,
          "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}
        },
        "initial_output_roles": {"type": "boolean"},
        "cap_output_profile_sources": {
          "type": "array",
          "minItems": 2,
          "maxItems": 2,
          "uniqueItems": true,
          "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}
        }
      },
      "required": ["profile_sketch_ids"],
      "additionalProperties": false
    },
    "loftCapFaceParams": {
      "type": "object",
      "properties": {
        "profile_sketch_ids": {
          "type": "array",
          "minItems": 1,
          "maxItems": 1,
          "uniqueItems": true,
          "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}
        }
      },
      "required": ["profile_sketch_ids"],
      "additionalProperties": false
    },
    "sweepPath": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "workplane": {"$ref": "#/$defs/workplane"},
            "segment": {"$ref": "#/$defs/analyticSegment"},
            "segments": {
              "type": "array",
              "minItems": 2,
              "items": {"$ref": "#/$defs/analyticSegment"}
            }
          },
          "required": ["workplane"],
          "oneOf": [
            {"required": ["segment"], "not": {"required": ["segments"]}},
            {"required": ["segments"], "not": {"required": ["segment"]}}
          ],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "segments": {
              "type": "array",
              "minItems": 2,
              "items": {"$ref": "#/$defs/spatialSweepSegment"}
            }
          },
          "required": ["segments"],
          "additionalProperties": false
        }
      ]
    },
    "sweepParams": {
      "type": "object",
      "properties": {
        "path": {"$ref": "#/$defs/sweepPath"},
        "is_frenet": {"type": "boolean"},
        "result_mode": {"enum": ["fuse", "new_body"]},
        "initial_output_roles": {"type": "boolean"},
        "cap_output_contract": {
          "type": "object",
          "properties": {
            "profile_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "profile_entity": {"type": "string", "minLength": 1, "maxLength": 160},
            "path_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "path_entity": {"type": "string", "minLength": 1, "maxLength": 160},
            "path_reversed": {"type": "boolean"}
          },
          "required": ["profile_source", "profile_entity", "path_source", "path_entity", "path_reversed"],
          "additionalProperties": false
        },
        "swept_face_contract": {
          "type": "object",
          "properties": {
            "profile_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "profile_entities": {
              "type": "array",
              "items": {"type": "string", "minLength": 1, "maxLength": 160},
              "minItems": 1,
              "uniqueItems": true
            },
            "path_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "path_entity": {"type": "string", "minLength": 1, "maxLength": 160},
            "path_reversed": {"type": "boolean"}
          },
          "required": ["profile_source", "profile_entities", "path_source", "path_entity", "path_reversed"],
          "additionalProperties": false
        },
        "swept_edge_contract": {
          "type": "object",
          "properties": {
            "profile_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "profile_entities": {
              "type": "array",
              "items": {"type": "string", "minLength": 1, "maxLength": 160},
              "minItems": 2,
              "uniqueItems": true
            },
            "path_source": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
            "path_entity": {"type": "string", "minLength": 1, "maxLength": 160},
            "path_reversed": {"type": "boolean"}
          },
          "required": ["profile_source", "profile_entities", "path_source", "path_entity", "path_reversed"],
          "additionalProperties": false
        }
      },
      "required": ["path"],
      "additionalProperties": false
    },
    "revolveParams": {
      "type": "object",
      "properties": {"angle_deg": {"type": "number", "minimum": 0, "maximum": 360}, "axis": {"$ref": "#/$defs/axis"}, "reverse": {"type": "boolean"}, "end_condition": {"$ref": "#/$defs/endCondition"}, "result_mode": {"enum": ["fuse", "new_body"]}},
      "required": ["angle_deg", "axis"],
      "additionalProperties": false
    },
    "revolveSurfaceParams": {
      "type": "object",
      "properties": {"angle_deg": {"type": "number", "minimum": 0, "maximum": 360}, "axis": {"$ref": "#/$defs/axis"}, "reverse": {"type": "boolean"}},
      "required": ["angle_deg", "axis"],
      "additionalProperties": false
    },
    "extrudeSurfaceParams": {
      "type": "object",
      "properties": {"distance_mm": {"type": "number", "exclusiveMinimum": 0}, "reverse": {"type": "boolean"}, "reverse_distance_mm": {"type": "number", "exclusiveMinimum": 0}},
      "required": ["distance_mm"],
      "additionalProperties": false
    },
    "sphereParams": {
      "type": "object",
      "properties": {
        "radius_mm": {"$ref": "#/$defs/positive"},
        "center_mm": {"$ref": "#/$defs/point3"},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["radius_mm", "center_mm"],
      "additionalProperties": false
    },
    "boxParams": {
      "type": "object",
      "properties": {
        "length_mm": {"$ref": "#/$defs/positive"},
        "width_mm": {"$ref": "#/$defs/positive"},
        "height_mm": {"$ref": "#/$defs/positive"},
        "center_mm": {"$ref": "#/$defs/point3"},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["length_mm", "width_mm", "height_mm", "center_mm"],
      "additionalProperties": false
    },
    "cylinderParams": {
      "type": "object",
      "properties": {
        "radius_mm": {"$ref": "#/$defs/positive"},
        "height_mm": {"$ref": "#/$defs/positive"},
        "axis": {"$ref": "#/$defs/axis"},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["radius_mm", "height_mm"],
      "additionalProperties": false
    },
    "bendChainLeg": {
      "type": "object",
      "properties": {
        "leg_mm": {"$ref": "#/$defs/positive"},
        "bend_angle_deg": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 180},
        "inner_radius_mm": {"type": "number", "minimum": 0},
        "side": {"type": "integer", "enum": [1, -1]}
      },
      "required": ["leg_mm"],
      "additionalProperties": false
    },
    "bendAddParams": {
      "type": "object",
      "properties": {
        "thickness_mm": {"$ref": "#/$defs/positive"},
        "width_mm": {"$ref": "#/$defs/positive"},
        "chain": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/bendChainLeg"}},
        "frame": {
          "type": "object",
          "properties": {
            "origin_mm": {"$ref": "#/$defs/point3"},
            "x_dir": {"$ref": "#/$defs/point3"},
            "y_dir": {"$ref": "#/$defs/point3"},
            "normal": {"$ref": "#/$defs/point3"}
          },
          "required": ["origin_mm", "x_dir", "y_dir", "normal"],
          "additionalProperties": false
        },
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["thickness_mm", "width_mm", "chain"],
      "additionalProperties": false
    },
    "gearAddParams": {
      "type": "object",
      "properties": {
        "module_mm": {"$ref": "#/$defs/positive"},
        "teeth_count": {"type": "integer", "minimum": 8, "maximum": 200},
        "width_mm": {"$ref": "#/$defs/positive"},
        "axis": {"$ref": "#/$defs/axis"},
        "helix_angle_rad": {"type": "number", "minimum": 0, "exclusiveMaximum": 0.7853981633974483},
        "pressure_angle_rad": {"type": "number", "exclusiveMinimum": 0, "maximum": 0.6108652381980153},
        "herringbone": {"type": "boolean"},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["module_mm", "teeth_count", "width_mm", "axis"],
      "additionalProperties": false
    },
    "rackAddParams": {
      "type": "object",
      "properties": {
        "module_mm": {"$ref": "#/$defs/positive"},
        "teeth_count": {"type": "integer", "minimum": 1, "maximum": 2000},
        "thickness_mm": {"$ref": "#/$defs/positive"},
        "axis": {"$ref": "#/$defs/axis"},
        "pressure_angle_rad": {"type": "number", "exclusiveMinimum": 0, "maximum": 0.6108652381980153},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["module_mm", "teeth_count", "thickness_mm", "axis"],
      "additionalProperties": false
    },
    "threadAddParams": {
      "type": "object",
      "properties": {
        "major_diameter_mm": {"$ref": "#/$defs/positive"},
        "minor_diameter_mm": {"$ref": "#/$defs/positive"},
        "pitch_mm": {"$ref": "#/$defs/positive"},
        "length_mm": {"$ref": "#/$defs/positive"},
        "axis": {"$ref": "#/$defs/axis"},
        "angle_deg": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 180},
        "lefthand": {"type": "boolean"},
        "relief_length_mm": {"type": "number", "minimum": 0},
        "crest_radius_mm": {"type": "number", "minimum": 0},
        "root_radius_mm": {"type": "number", "minimum": 0},
        "result_mode": {"enum": ["fuse", "new_body"]}
      },
      "required": ["major_diameter_mm", "minor_diameter_mm", "pitch_mm", "length_mm", "axis"],
      "additionalProperties": false
    },
    "threadCutParams": {
      "type": "object",
      "properties": {
        "major_diameter_mm": {"$ref": "#/$defs/positive"},
        "minor_diameter_mm": {"$ref": "#/$defs/positive"},
        "pitch_mm": {"$ref": "#/$defs/positive"},
        "length_mm": {"$ref": "#/$defs/positive"},
        "axis": {"$ref": "#/$defs/axis"},
        "angle_deg": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 180},
        "lefthand": {"type": "boolean"},
        "crest_radius_mm": {"type": "number", "minimum": 0},
        "root_radius_mm": {"type": "number", "minimum": 0}
      },
      "required": ["major_diameter_mm", "minor_diameter_mm", "pitch_mm", "length_mm", "axis"],
      "additionalProperties": false
    },
    "holeBaseParams": {
      "type": "object",
      "properties": {
        "diameter_mm": {"$ref": "#/$defs/positive"},
        "depth_mm": {"$ref": "#/$defs/positive"},
        "positions": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/holePosition"}},
        "host_face": {"$ref": "#/$defs/hostFace"},
        "drill_angle_rad": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 3.141592653589793}
      },
      "required": ["diameter_mm", "depth_mm", "positions"]
    },
    "holeBlindParams": {
      "type": "object",
      "properties": {
        "diameter_mm": {"$ref": "#/$defs/positive"},
        "depth_mm": {"$ref": "#/$defs/positive"},
        "positions": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/holePosition"}},
        "host_face": {"$ref": "#/$defs/hostFace"},
        "drill_angle_rad": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 3.141592653589793}
      },
      "required": ["diameter_mm", "depth_mm", "positions"],
      "additionalProperties": false
    },
    "holeCountersinkParams": {
      "allOf": [
        {"$ref": "#/$defs/holeBaseParams"},
        {
          "type": "object",
          "properties": {
            "diameter_mm": {"$ref": "#/$defs/positive"}, "depth_mm": {"$ref": "#/$defs/positive"},
            "positions": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/holePosition"}},
            "host_face": {"$ref": "#/$defs/hostFace"}, "drill_angle_rad": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 3.141592653589793},
            "countersink_diameter_mm": {"$ref": "#/$defs/positive"},
            "countersink_angle_rad": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 3.141592653589793}
          },
          "required": ["diameter_mm", "depth_mm", "positions", "countersink_diameter_mm", "countersink_angle_rad"],
          "additionalProperties": false
        }
      ]
    },
    "holeCounterboreParams": {
      "allOf": [
        {"$ref": "#/$defs/holeBaseParams"},
        {
          "type": "object",
          "properties": {
            "diameter_mm": {"$ref": "#/$defs/positive"}, "depth_mm": {"$ref": "#/$defs/positive"},
            "positions": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/holePosition"}},
            "host_face": {"$ref": "#/$defs/hostFace"}, "drill_angle_rad": {"type": "number", "exclusiveMinimum": 0, "exclusiveMaximum": 3.141592653589793},
            "counterbore_diameter_mm": {"$ref": "#/$defs/positive"},
            "counterbore_depth_mm": {"$ref": "#/$defs/positive"}
          },
          "required": ["diameter_mm", "depth_mm", "positions", "counterbore_diameter_mm", "counterbore_depth_mm"],
          "additionalProperties": false
        }
      ]
    },
    "filletParams": {
      "type": "object",
      "properties": {"radius_mm": {"type": "number", "minimum": 0}, "tangent_propagation": {"type": "boolean"}},
      "required": ["radius_mm"],
      "additionalProperties": false
    },
    "chamferParams": {
      "type": "object",
      "properties": {"distance_mm": {"type": "number", "minimum": 0}, "distance_2_mm": {"type": "number", "minimum": 0}, "angle_rad": {"type": "number", "minimum": 0, "maximum": 3.141592653589793}, "tangent_propagation": {"type": "boolean"}},
      "required": ["distance_mm"],
      "additionalProperties": false
    },
    "shellParams": {
      "type": "object",
      "properties": {"thickness_mm": {"type": "number", "exclusiveMinimum": 0}, "inward": {"type": "boolean"}, "target_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
      "required": ["thickness_mm"],
      "additionalProperties": false
    },
    "booleanBodiesParams": {
      "type": "object",
      "properties": {
        "operation": {"enum": ["union", "subtract", "intersect"]},
        "target_feature_ids": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "target_pattern_instance_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/patternInstanceBodyRef"}},
        "target_transform_copy_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/transformCopyBodyRef"}},
        "tool_feature_ids": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "tool_pattern_instance_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/patternInstanceBodyRef"}},
        "tool_transform_copy_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/transformCopyBodyRef"}},
        "keep_tools": {"type": "boolean"},
        "targetless_body_set": {"type": "boolean"}
      },
      "required": ["operation"],
      "allOf": [
        {"anyOf": [{"required": ["target_feature_ids"]}, {"required": ["target_pattern_instance_refs"]}, {"required": ["target_transform_copy_refs"]}]},
        {"anyOf": [{"required": ["tool_feature_ids"]}, {"required": ["tool_pattern_instance_refs"]}, {"required": ["tool_transform_copy_refs"]}]}
      ],
      "additionalProperties": false
    },
    "bodyTransform": {
      "type": "object",
      "properties": {
        "type": {"enum": ["translation", "rotation", "uniform_scale"]},
        "translation_mm": {"$ref": "#/$defs/point3"},
        "axis": {"$ref": "#/$defs/axis"},
        "angle_deg": {"type": "number"},
        "center_mm": {"$ref": "#/$defs/point3"},
        "scale_factor": {"type": "number", "exclusiveMinimum": 0}
      },
      "required": ["type"],
      "allOf": [
        {"if": {"properties": {"type": {"const": "translation"}}, "required": ["type"]}, "then": {"required": ["translation_mm"]}},
        {"if": {"properties": {"type": {"const": "rotation"}}, "required": ["type"]}, "then": {"required": ["axis", "angle_deg"]}},
        {"if": {"properties": {"type": {"const": "uniform_scale"}}, "required": ["type"]}, "then": {"required": ["center_mm", "scale_factor"]}}
      ],
      "additionalProperties": false
    },
    "patternInstanceBodyRef": {
      "type": "object",
      "properties": {
        "pattern_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "source_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "instance_index": {"type": "integer", "minimum": 1}
      },
      "required": ["pattern_feature_id", "source_feature_id", "instance_index"],
      "additionalProperties": false
    },
    "transformCopyBodyRef": {
      "type": "object",
      "properties": {
        "transform_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "source_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}
      },
      "required": ["transform_feature_id", "source_feature_id"],
      "additionalProperties": false
    },
    "transformSourceMemberAlias": {
      "type": "object",
      "properties": {
        "source_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "active_member_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}
      },
      "required": ["source_feature_id", "active_member_feature_id"],
      "additionalProperties": false
    },
    "transformBodiesParams": {
      "type": "object",
      "properties": {
        "source_feature_ids": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "pattern_instance_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/patternInstanceBodyRef"}},
        "transform_copy_refs": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/transformCopyBodyRef"}},
        "source_member_aliases": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"$ref": "#/$defs/transformSourceMemberAlias"}},
        "transform": {"$ref": "#/$defs/bodyTransform"},
        "make_copy": {"type": "boolean"}
      },
      "required": ["transform", "make_copy"],
      "anyOf": [{"required": ["source_feature_ids"]}, {"required": ["pattern_instance_refs"]}, {"required": ["transform_copy_refs"]}],
      "additionalProperties": false
    },
    "deleteBodiesParams": {
      "type": "object",
      "properties": {
        "target_feature_ids": {"type": "array", "minItems": 1, "uniqueItems": true, "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}}
      },
      "required": ["target_feature_ids"],
      "additionalProperties": false
    },
    "linearPatternParams": {
      "type": "object",
      "properties": {
        "source_feature_ids": {"type": "array", "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "direction_1": {"$ref": "#/$defs/point3"},
        "spacing_1_mm": {"type": "number", "minimum": 0},
        "pattern_count_1": {"type": "integer", "minimum": 1},
        "direction_2": {"$ref": "#/$defs/point3"},
        "spacing_2_mm": {"type": "number", "minimum": 0},
        "pattern_count_2": {"type": "integer", "minimum": 1}
      },
      "required": ["source_feature_ids", "direction_1", "spacing_1_mm", "pattern_count_1"],
      "additionalProperties": false
    },
    "mirrorPatternParams": {
      "type": "object",
      "properties": {
        "source_feature_ids": {"type": "array", "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "mirror_plane": {"$ref": "#/$defs/selectorOrUnresolved"},
        "mirror_current_body": {"type": "boolean"}
      },
      "required": ["source_feature_ids", "mirror_plane"],
      "additionalProperties": false
    },
    "circularPatternParams": {
      "type": "object",
      "properties": {
        "source_feature_ids": {"type": "array", "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "axis": {"$ref": "#/$defs/axis"},
        "pattern_count": {"type": "integer", "minimum": 1},
        "sweep_angle_deg": {"type": "number", "minimum": -360, "maximum": 360},
        "operation_mode": {"enum": ["add", "remove"]},
        "excluded_instance_indices": {"type": "array", "items": {"type": "integer", "minimum": 1}, "uniqueItems": true}
      },
      "required": ["source_feature_ids", "axis", "pattern_count"],
      "additionalProperties": false
    },
    "referencePlaneParams": {
      "type": "object",
      "properties": {
        "plane": {"oneOf": [{"$ref": "#/$defs/workplane"}, {"type": "object", "properties": {"unresolved": {"type": "string", "minLength": 1}}, "required": ["unresolved"], "additionalProperties": false}]},
        "references": {"type": "array", "items": {"$ref": "#/$defs/selectorRef"}},
        "derived_from_sketch_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "derived_from_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "plane_inference": {"enum": ["solidworks_origin_plane_order", "parent_reference_plane"]},
        "offset_mm": {"type": "number"},
        "angle_rad": {"type": "number"},
        "reverse": {"type": "boolean"},
        "solidworks_type": {"type": "integer"}
      },
      "required": ["plane"],
      "additionalProperties": false
    },
    "referenceAxisParams": {
      "type": "object",
      "properties": {"axis": {"$ref": "#/$defs/axis"}},
      "required": ["axis"],
      "additionalProperties": false
    },
    "referencePointParams": {
      "type": "object",
      "properties": {"point_mm": {"$ref": "#/$defs/point3"}},
      "required": ["point_mm"],
      "additionalProperties": false
    },
    "assignVariableParams": {
      "type": "object",
      "properties": {
        "name": {"type": "string", "minLength": 1, "maxLength": 256},
        "value": {"type": "number"},
        "value_kind": {"enum": ["any", "length"]}
      },
      "required": ["name", "value", "value_kind"],
      "additionalProperties": false
    },
    "holeWizardParams": {
      "type": "object",
      "properties": {
        "hole_type": {"type": "string", "minLength": 1},
        "diameter_mm": {"type": "number", "minimum": 0},
        "depth_mm": {"type": "number", "minimum": 0},
        "end_condition": {"$ref": "#/$defs/endCondition"},
        "positions": {"type": "array", "items": {"$ref": "#/$defs/holePosition"}},
        "host_face": {"$ref": "#/$defs/hostFace"},
        "scope_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "thread": {"type": "object"},
        "countersink": {"type": "object"},
        "counterbore": {"type": "object"}
      },
      "required": ["hole_type", "diameter_mm", "depth_mm", "end_condition"],
      "additionalProperties": false
    },
    "featureOutputRole": {
      "enum": [
        "extrude.start", "extrude.end", "sweep.start", "sweep.end", "loft.start", "loft.end", "cylinder.start", "cylinder.end",
        "shell.offset_face", "shell.closing_descendant", "shell.body_face"
      ]
    },
    "outputRoleSource": {
      "type": "object",
      "properties": {
        "owner_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_.:-]{1,160}$"},
        "output_role": {"$ref": "#/$defs/featureOutputRole"}
      },
      "required": ["owner_feature_id", "output_role"],
      "additionalProperties": false
    },
    "selectorIntentSourceQuery": {
      "type": "object",
      "properties": {
        "ast": {},
        "featurescript_version": {"type": "string", "pattern": "^[0-9]+(?:\\.[0-9]+)*$"},
        "standard_library": {"type": "string", "minLength": 1},
        "standard_library_version": {"type": "string", "minLength": 1},
        "standard_library_imports": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "path": {"type": "string", "minLength": 1},
              "version": {"type": "string", "minLength": 1}
            },
            "required": ["path"],
            "additionalProperties": false
          }
        }
      },
      "required": ["ast"],
      "additionalProperties": false
    },
    "selectorIntentQueryExprNode": {
      "oneOf": [
        {
          "type": "object",
          "properties": {
            "node": {"const": "set"},
            "operator": {"enum": ["union", "intersection", "subtraction"]},
            "operands": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "operator", "operands"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "filter"},
            "filter": {"enum": ["adjacent", "owner_body", "body_type", "construction"]},
            "input": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "filter", "input", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "topology_query"},
            "owner": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "topology_type": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "entity_type": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "owner", "topology_type", "entity_type", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "created_by"},
            "owner": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "owner", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "source_entity"},
            "sketch": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "entity_type": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "entity": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "sketch", "entity_type", "entity", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "sketch_region"},
            "sketch": {"$ref": "#/$defs/selectorIntentQueryExprNode"},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "sketch", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "opaque_call"},
            "name": {"type": "string", "minLength": 1},
            "arguments": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "name", "arguments"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "list"},
            "items": {"type": "array", "items": {"$ref": "#/$defs/selectorIntentQueryExprNode"}}
          },
          "required": ["node", "items"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "map"},
            "entries": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "key": {"type": "string"},
                  "value": {"$ref": "#/$defs/selectorIntentQueryExprNode"}
                },
                "required": ["key", "value"],
                "additionalProperties": false
              }
            }
          },
          "required": ["node", "entries"],
          "additionalProperties": false
        },
        {
          "type": "object",
          "properties": {
            "node": {"const": "literal"},
            "value": {}
          },
          "required": ["node", "value"],
          "additionalProperties": false
        }
      ]
    },
    "selectorIntentQueryExpr": {
      "type": "object",
      "properties": {
        "version": {"const": "1.0"},
        "root": {"$ref": "#/$defs/selectorIntentQueryExprNode"}
      },
      "required": ["version", "root"],
      "additionalProperties": false
    },
    "selectorIntent": {
      "type": "object",
      "properties": {
        "version": {"const": "1.0"},
        "kind": {"enum": ["face", "edge", "axis", "plane", "feature", "vertex", "body"]},
        "query_family": {"type": "string", "pattern": "^[A-Z][A-Z0-9_]{0,79}$"},
        "source_query": {"$ref": "#/$defs/selectorIntentSourceQuery"},
        "query_expr": {"$ref": "#/$defs/selectorIntentQueryExpr"},
        "source_entity": {
          "type": "object",
          "properties": {
            "sketch_id": {"type": "string", "minLength": 1},
            "entity_id": {"type": "string", "minLength": 1}
          },
          "required": ["sketch_id", "entity_id"],
          "additionalProperties": false
        },
        "source_entities": {
          "type": "array",
          "minItems": 1,
          "uniqueItems": true,
          "items": {
            "type": "object",
            "properties": {
              "sketch_id": {"type": "string", "minLength": 1},
              "entity_id": {"type": "string", "minLength": 1}
            },
            "required": ["sketch_id", "entity_id"],
            "additionalProperties": false
          }
        },
        "intersection_sources": {
          "type": "array",
          "minItems": 2,
          "maxItems": 2,
          "items": {
            "type": "object",
            "properties": {
              "query_family": {"enum": ["CAP_FACE", "SWEPT_FACE"]},
              "owner_feature_id": {"type": "string", "minLength": 1, "maxLength": 160},
              "output_role": {"enum": ["extrude.start", "extrude.end"]},
              "source_entity": {
                "type": "object",
                "properties": {
                  "sketch_id": {"type": "string", "minLength": 1},
                  "entity_id": {"type": "string", "minLength": 1}
                },
                "required": ["sketch_id", "entity_id"],
                "additionalProperties": false
              }
            },
            "required": ["query_family", "owner_feature_id"],
            "additionalProperties": false
          }
        },
        "blend_sources": {
          "type": "object",
          "properties": {
            "edge": {
              "type": "object",
              "properties": {
                "query_family": {"const": "CAP_EDGE"},
                "owner_feature_id": {"type": "string", "minLength": 1, "maxLength": 160},
                "source_entity": {
                  "type": "object",
                  "properties": {
                    "sketch_id": {"type": "string", "minLength": 1},
                    "entity_id": {"type": "string", "minLength": 1}
                  },
                  "required": ["sketch_id", "entity_id"],
                  "additionalProperties": false
                },
                "lineage_role": {"enum": ["extrude.start", "extrude.end"]}
              },
              "required": ["query_family", "owner_feature_id", "source_entity", "lineage_role"],
              "additionalProperties": false
            },
            "face": {
              "type": "object",
              "properties": {
                "query_family": {"enum": ["CAP_FACE", "SWEPT_FACE"]},
                "owner_feature_id": {"type": "string", "minLength": 1, "maxLength": 160},
                "output_role": {"enum": ["extrude.start", "extrude.end"]},
                "source_entity": {
                  "type": "object",
                  "properties": {
                    "sketch_id": {"type": "string", "minLength": 1},
                    "entity_id": {"type": "string", "minLength": 1}
                  },
                  "required": ["sketch_id", "entity_id"],
                  "additionalProperties": false
                }
              },
              "required": ["query_family", "owner_feature_id"],
              "additionalProperties": false
            }
          },
          "required": ["edge", "face"],
          "additionalProperties": false
        },
        "blend_face_source": {
          "type": "object",
          "properties": {
            "query_family": {"const": "CAP_EDGE"},
            "owner_feature_id": {"type": "string", "minLength": 1, "maxLength": 160},
            "source_entity": {
              "type": "object",
              "properties": {
                "sketch_id": {"type": "string", "minLength": 1},
                "entity_id": {"type": "string", "minLength": 1}
              },
              "required": ["sketch_id", "entity_id"],
              "additionalProperties": false
            },
            "lineage_role": {"enum": ["extrude.start", "extrude.end"]}
          },
          "required": ["query_family", "owner_feature_id", "source_entity", "lineage_role"],
          "additionalProperties": false
        },
        "output_role": {"$ref": "#/$defs/featureOutputRole"},
        "consumer_contract": {"enum": ["direct_prism_cap_face_workplane", "primary_add_shell_union_continuation", "primary_add_up_to_surface_union_continuation", "primary_add_dressup_union_continuation", "symmetric_direct_prism_two_sided_up_to_surface_cap_pair", "symmetric_direct_prism_shell_swept_face_up_to_surface_pair", "immediate_retained_source_prism_swept_face_up_to_surface", "shell_retained_direct_prism_cap_offset_face_profile", "direct_prism_shell_offset_edge_tdd", "direct_prism_shell_offset_edge_vertex"]},
        "lineage_role": {"enum": ["extrude.start", "extrude.end"]},
        "body_member_contract": {"enum": ["direct_new_body"]},
        "query_set_contract": {"enum": ["proven_operand_union", "proven_operand_intersection", "proven_operand_subtraction"]},
        "owner_body_contract": {"enum": ["exact_input_owner"]},
        "copy_contract": {"enum": ["primary_cut_cap_edge", "primary_cut_cap_face_workplane", "primary_cut_swept_face_workplane"]},
        "set_kind": {"enum": ["face", "edge"]},
        "body_scope": {"enum": ["active_member"]},
        "empty_policy": {"enum": ["reject"]},
        "multiple_policy": {"enum": ["all", "one"]},
        "derivation_policy": {
          "type": "object",
          "properties": {
            "allowed": {"type": "array", "minItems": 1, "items": {"enum": ["continuation", "fragment", "merge", "intersection", "boundary", "replacement"]}},
            "multiplicity": {"enum": ["one", "all_fragments", "source_qualified", "none"]}
          },
          "required": ["allowed", "multiplicity"],
          "additionalProperties": false
        },
        "evidence": {"enum": ["kernel_history", "operation_role", "active_body_member", "feature_script_query", "explicit_datum", "geometry_hint"]},
        "disambiguation": {"type": "object"}
      },
      "required": ["version", "query_family", "source_query", "derivation_policy", "evidence"],
      "additionalProperties": false
    },
    "selectorRef": {
      "type": "object",
      "properties": {
        "kind": {"enum": ["face", "edge", "axis", "plane", "feature", "vertex", "body"]},
        "stable_id": {"type": "string", "minLength": 1},
        "output_role": {"$ref": "#/$defs/featureOutputRole"},
        "output_role_source": {"$ref": "#/$defs/outputRoleSource"},
        "owner_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_.:-]{1,160}$"},
        "owner_match_required": {"type": "boolean"},
        "geometry": {"type": "object"},
        "source": {"enum": ["solidworks", "inferred_from_step", "runtime_snapshot", "viewer_selection"]},
        "snapshot_id": {"type": "string", "minLength": 1},
        "binding_feature_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "match_mode": {"enum": ["unique", "all"]},
        "query_input": {"$ref": "#/$defs/selectorRef"},
        "query_operands": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/selectorRef"}},
        "matched_selectors": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/selectorRef"}},
        "intersection_of": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/selectorRef"}},
        "selector_intent_version": {"const": "1.0"},
        "selector_intent": {"$ref": "#/$defs/selectorIntent"},
        "confidence": {"type": "number", "minimum": 0, "maximum": 1}
      },
      "required": ["kind", "source", "confidence"],
      "anyOf": [{"required": ["stable_id"]}, {"required": ["output_role"]}, {"required": ["selector_intent"]}],
      "additionalProperties": false
    },
    "analyticSegment": {
      "type": "object",
      "properties": {
        "type": {"enum": ["line", "arc", "circle", "ellipse", "bspline"]},
        "start": {"$ref": "#/$defs/point2"},
        "end": {"$ref": "#/$defs/point2"},
        "center": {"$ref": "#/$defs/point2"},
        "radius_mm": {"$ref": "#/$defs/positive"},
        "major_radius_mm": {"$ref": "#/$defs/positive"},
        "minor_radius_mm": {"$ref": "#/$defs/positive"},
        "major_axis": {"$ref": "#/$defs/point2"},
        "points": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/point2"}},
        "parameters": {"type": "array", "minItems": 2, "items": {"type": "number"}},
        "periodic": {"type": "boolean"},
        "parameterization": {"enum": ["chord", "centripetal"]},
        "clockwise": {"type": "boolean"},
        "start_tangent": {"$ref": "#/$defs/point2"},
        "end_tangent": {"$ref": "#/$defs/point2"}
        ,"source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160}
      },
      "required": ["type"],
      "allOf": [
        {"if": {"properties": {"type": {"const": "line"}}}, "then": {"required": ["start", "end"]}},
        {"if": {"properties": {"type": {"const": "arc"}}}, "then": {"required": ["start", "end", "center", "radius_mm"]}},
        {"if": {"properties": {"type": {"const": "circle"}}}, "then": {"required": ["center", "radius_mm"]}},
        {"if": {"properties": {"type": {"const": "ellipse"}}}, "then": {"required": ["center", "major_radius_mm", "minor_radius_mm", "major_axis"]}},
        {"if": {"properties": {"type": {"const": "bspline"}}}, "then": {"required": ["start", "end", "points"]}},
        {"if": {"properties": {"type": {"const": "bspline"}, "points": {"maxItems": 2}}}, "then": {"required": ["start_tangent", "end_tangent", "parameters"], "properties": {"periodic": {"const": false}}}}
      ],
      "additionalProperties": false
    },
    "spatialSweepSegment": {
      "type": "object",
      "properties": {
        "type": {"enum": ["line", "arc", "bspline"]},
        "start_mm": {"$ref": "#/$defs/point3"},
        "end_mm": {"$ref": "#/$defs/point3"},
        "center_mm": {"$ref": "#/$defs/point3"},
        "normal": {"$ref": "#/$defs/point3"},
        "radius_mm": {"$ref": "#/$defs/positive"},
        "points_mm": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/point3"}},
        "parameters": {"type": "array", "minItems": 2, "items": {"type": "number"}},
        "periodic": {"type": "boolean"},
        "clockwise": {"type": "boolean"},
        "start_tangent_mm": {"$ref": "#/$defs/point3"},
        "end_tangent_mm": {"$ref": "#/$defs/point3"},
        "source_sketch_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160}
      },
      "required": ["type", "source_sketch_id", "source_entity_id"],
      "allOf": [
        {"if": {"properties": {"type": {"const": "line"}}}, "then": {"required": ["start_mm", "end_mm"]}},
        {"if": {"properties": {"type": {"const": "arc"}}}, "then": {"required": ["start_mm", "end_mm", "center_mm", "normal", "radius_mm"]}},
        {"if": {"properties": {"type": {"const": "bspline"}}}, "then": {"required": ["points_mm"]}},
        {"if": {"properties": {"type": {"const": "bspline"}, "points_mm": {"maxItems": 2}}}, "then": {"required": ["start_tangent_mm", "end_tangent_mm", "parameters"], "properties": {"periodic": {"const": false}}}}
      ],
      "additionalProperties": false
    },
    "constructionBsplineSegment": {
      "type": "object",
      "properties": {
        "type": {"const": "bspline"},
        "degree": {"type": "integer", "minimum": 1},
        "control_points": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/point2"}},
        "knots": {"type": "array", "minItems": 2, "items": {"type": "number"}},
        "periodic": {"type": "boolean"},
        "weights": {"type": "array", "minItems": 2, "items": {"type": "number", "exclusiveMinimum": 0}}
      },
      "required": ["type", "degree", "control_points", "knots", "periodic"],
      "additionalProperties": false
    },
    "constructionSegment": {
      "oneOf": [
        {"$ref": "#/$defs/analyticSegment"},
        {"$ref": "#/$defs/constructionBsplineSegment"}
      ]
    },
    "analyticContour": {
      "type": "object",
      "properties": {
        "role": {"enum": ["outer", "inner", "open", "unknown"]},
            "closed": {"type": "boolean"},
            "surface_wire": {"type": "boolean"},
        "segments": {"type": "array", "items": {"$ref": "#/$defs/analyticSegment"}}
      },
      "required": ["role", "closed", "segments"],
      "additionalProperties": false
    },
    "analyticProfile": {
      "type": "object",
      "properties": {
        "type": {"const": "analytic_contours"},
        "contours": {"type": "array", "items": {"$ref": "#/$defs/analyticContour"}},
        "construction": {"type": "array", "items": {"$ref": "#/$defs/constructionSegment"}}
      },
      "required": ["type", "contours"],
      "additionalProperties": false
    },
    "imprintSourceEntity": {
      "type": "object",
      "properties": {
        "id": {"type": "string", "minLength": 1, "maxLength": 160},
        "curve": {"$ref": "#/$defs/analyticSegment"}
      },
      "required": ["id", "curve"],
      "additionalProperties": false
    },
    "imprintFragment": {
      "type": "object",
      "properties": {
        "anchor_entity_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "external_anchor_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "side": {"enum": [-1, 1]},
        "intersection_index": {"type": "integer", "minimum": 0}
      },
      "required": ["side"],
      "oneOf": [
        {"required": ["anchor_entity_id"]},
        {"required": ["external_anchor_id"]}
      ],
      "additionalProperties": false
    },
    "imprintExternalAnchor": {
      "type": "object",
      "properties": {
        "id": {"type": "string", "minLength": 1, "maxLength": 160},
        "selector": {"$ref": "#/$defs/selectorRef"}
      },
      "required": ["id", "selector"],
      "additionalProperties": false
    },
    "imprintSelection": {
      "type": "object",
      "properties": {
        "source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160},
        "face_side": {"enum": [-1, 1]},
        "fragment": {"$ref": "#/$defs/imprintFragment"}
      },
      "required": ["source_entity_id", "face_side"],
      "additionalProperties": false
    },
    "planarImprintProfile": {
      "type": "object",
      "properties": {
        "type": {"const": "planar_imprint"},
        "source_entities": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/imprintSourceEntity"}},
        "selections": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/imprintSelection"}},
        "external_anchors": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/imprintExternalAnchor"}}
      },
      "required": ["type", "source_entities", "selections"],
      "allOf": [
        {
          "if": {"not": {"required": ["external_anchors"]}},
          "then": {"properties": {"source_entities": {"minItems": 2}}}
        }
      ],
      "additionalProperties": false
    },
    "multiSourceRegionsProfile": {
      "type": "object",
      "properties": {
        "type": {"const": "multi_source_regions"},
        "source_sketch_ids": {"type": "array", "minItems": 2, "items": {"type": "string", "minLength": 1, "maxLength": 160}, "uniqueItems": true},
        "profiles": {"type": "array", "minItems": 2, "items": {"$ref": "#/$defs/directProfile"}}
      },
      "required": ["type", "source_sketch_ids", "profiles"],
      "additionalProperties": false
    },
    "directProfile": {
      "oneOf": [
        {"type": "object", "properties": {"type": {"const": "circle"}, "center": {"$ref": "#/$defs/point2"}, "radius_mm": {"$ref": "#/$defs/positive"}, "source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160}}, "required": ["type", "radius_mm"], "additionalProperties": false},
        {"type": "object", "properties": {"type": {"const": "polygon"}, "vertices": {"type": "array", "minItems": 3, "items": {"$ref": "#/$defs/point2"}}}, "required": ["type", "vertices"], "additionalProperties": false},
        {"$ref": "#/$defs/analyticProfile"}
      ]
    },
    "feature_atomic_ids": {"enum": ["extrude_add_blind", "extrude_add_blind_with_hole", "extrude_add_two_sided", "extrude_cut_blind", "extrude_cut_two_sided", "extrude_cut_through", "extrude_from_face", "extrude_surface", "loft_add", "loft_add_with_cap_face", "loft_surface", "sweep_add", "sweep_cut", "revolve_add", "revolve_cut", "revolve_surface", "hole_blind", "hole_countersink", "hole_counterbore", "sphere_add", "box_add", "cylinder_add", "thread_add", "thread_cut", "bend_add", "gear_add", "rack_add", "fillet", "chamfer", "shell", "boolean_bodies", "transform_bodies", "delete_bodies", "pattern_linear", "pattern_mirror", "pattern_circular", "reference_plane", "reference_axis", "reference_point", "assign_variable", "hole_wizard"]},
    "feature": {
      "type": "object",
      "properties": {
        "id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "name": {"type": "string"},
        "atomic_id": {"$ref": "#/$defs/feature_atomic_ids"},
        "depends_on": {"type": "array", "items": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
        "sketch_id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"},
        "params": {"type": "object"},
        "execution_status": {"enum": ["supported", "deferred"]},
        "selectors": {"type": "array", "items": {"$ref": "#/$defs/selectorRef"}},
        "unresolved": {"type": "array", "items": {"type": "string", "minLength": 1}},
        "intent": {"$ref": "#/$defs/featureIntent"}
      },
      "required": ["id", "atomic_id", "depends_on", "params"],
      "additionalProperties": false,
      "allOf": [
        {"if": {"properties": {"atomic_id": {"const": "extrude_add_blind"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_add_blind_with_hole"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_add_two_sided"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_cut_blind"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_cut_through"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeCutThroughParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_cut_two_sided"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_from_face"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeFromFaceParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "loft_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/loftParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "loft_add_with_cap_face"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/loftCapFaceParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "loft_surface"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/loftParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "sweep_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/sweepParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "sweep_cut"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/sweepParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "revolve_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/revolveParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "revolve_cut"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/revolveParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "revolve_surface"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/revolveSurfaceParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "extrude_surface"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/extrudeSurfaceParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "sphere_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/sphereParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "box_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/boxParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "cylinder_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/cylinderParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "bend_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/bendAddParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "gear_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/gearAddParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "rack_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/rackAddParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "thread_add"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/threadAddParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "thread_cut"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/threadCutParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "hole_blind"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/holeBlindParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "hole_countersink"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/holeCountersinkParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "hole_counterbore"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/holeCounterboreParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "fillet"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/filletParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "chamfer"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/chamferParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "shell"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/shellParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "boolean_bodies"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/booleanBodiesParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "transform_bodies"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/transformBodiesParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "delete_bodies"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/deleteBodiesParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "pattern_linear"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/linearPatternParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "pattern_mirror"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/mirrorPatternParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "pattern_circular"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/circularPatternParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "reference_plane"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/referencePlaneParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "reference_axis"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/referenceAxisParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "reference_point"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/referencePointParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "assign_variable"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/assignVariableParams"}}}},
        {"if": {"properties": {"atomic_id": {"const": "hole_wizard"}}}, "then": {"properties": {"params": {"$ref": "#/$defs/holeWizardParams"}}}}
      ]
    },
    "profile_type": {"enum": ["circle", "polygon", "analytic_contours", "multi_source_regions", "planar_imprint"]},
    "profile": {
      "oneOf": [
        {"type": "object", "properties": {"type": {"const": "circle"}, "center": {"$ref": "#/$defs/point2"}, "radius_mm": {"$ref": "#/$defs/positive"}, "source_entity_id": {"type": "string", "minLength": 1, "maxLength": 160}}, "required": ["type", "radius_mm"], "additionalProperties": false},
        {"type": "object", "properties": {"type": {"const": "polygon"}, "vertices": {"type": "array", "minItems": 3, "items": {"$ref": "#/$defs/point2"}}}, "required": ["type", "vertices"], "additionalProperties": false},
        {"$ref": "#/$defs/analyticProfile"},
        {"$ref": "#/$defs/multiSourceRegionsProfile"},
        {"$ref": "#/$defs/planarImprintProfile"}
      ]
    },
    "sketch": {
      "type": "object",
      "properties": {"id": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}, "name": {"type": "string"}, "source_sketch_id": {"type": "string", "minLength": 1, "maxLength": 160}, "workplane": {"$ref": "#/$defs/workplane"}, "profile": {"$ref": "#/$defs/profile"}, "role": {"enum": ["profile", "reference"]}, "attachment": {"$ref": "#/$defs/selectorRef"}, "profile_from": {"type": "string", "pattern": "^[A-Za-z0-9_-]{1,80}$"}},
      "required": ["id", "workplane", "profile"],
      "additionalProperties": false
    }
  }
}