{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:animsmith:schema:foot-cycle-parameterization:1",
  "title": "animsmith foot-cycle parameterization v1 (decoded TOML shape)",
  "description": "Machine-readable shape of the decoded strict TOML foot-cycle parameterization. TOML is the only accepted input spelling; exact-byte identity, aggregate, rooted-path, uniqueness, ordering, reference, and cross-field constraints are enforced by the Rust reader and planner.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "schema_version",
    "runtime_set_id",
    "reference_member",
    "output_directory",
    "minimum_segment_slope",
    "maximum_segment_slope",
    "manifest",
    "proof",
    "members"
  ],
  "properties": {
    "schema": { "const": "urn:animsmith:schema:foot-cycle-parameterization:1" },
    "schema_version": { "const": 1 },
    "runtime_set_id": { "$ref": "#/$defs/logical_id" },
    "reference_member": { "$ref": "#/$defs/logical_id" },
    "output_directory": { "$ref": "#/$defs/relative_path" },
    "minimum_segment_slope": {
      "type": "number",
      "exclusiveMinimum": 0,
      "maximum": 1
    },
    "maximum_segment_slope": {
      "type": "number",
      "minimum": 1,
      "maximum": 1000000
    },
    "manifest": { "$ref": "#/$defs/manifest" },
    "proof": { "$ref": "#/$defs/proof" },
    "members": {
      "type": "array",
      "minItems": 2,
      "maxItems": 4096,
      "items": { "$ref": "#/$defs/member" }
    }
  },
  "$defs": {
    "token": {
      "type": "string",
      "minLength": 1,
      "maxLength": 255,
      "pattern": "^[a-z0-9][a-z0-9._-]*$"
    },
    "logical_id": {
      "type": "string",
      "minLength": 3,
      "maxLength": 255,
      "pattern": "^[a-z0-9][a-z0-9._-]*(/[a-z0-9][a-z0-9._-]*)+$"
    },
    "relative_path": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4096,
      "description": "Exact UTF-8 spelling using slash separators. The Rust reader applies ParserRelativePath policy, including the component limit."
    },
    "input_identity": {
      "type": "object",
      "additionalProperties": false,
      "required": ["sha256", "bytes"],
      "properties": {
        "sha256": {
          "type": "string",
          "pattern": "^[0-9a-f]{64}$"
        },
        "bytes": {
          "type": "integer",
          "minimum": 0,
          "maximum": 8388608
        }
      }
    },
    "manifest": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schema", "schema_version", "collection_id", "input"],
      "properties": {
        "schema": { "const": "urn:animsmith:schema:collection-manifest:1" },
        "schema_version": { "const": 1 },
        "collection_id": { "$ref": "#/$defs/token" },
        "input": { "$ref": "#/$defs/input_identity" }
      }
    },
    "proof": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "max_gait_phase_spread",
        "min_lr_amplitude_m",
        "max_contact_boundary_phase_error"
      ],
      "properties": {
        "max_gait_phase_spread": {
          "type": "number",
          "minimum": 0,
          "maximum": 0.5
        },
        "min_lr_amplitude_m": {
          "type": "number",
          "minimum": 0
        },
        "max_contact_boundary_phase_error": {
          "type": "number",
          "minimum": 0,
          "maximum": 0.5
        }
      }
    },
    "member": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "contact_fragment"],
      "properties": {
        "id": { "$ref": "#/$defs/logical_id" },
        "contact_fragment": { "$ref": "#/$defs/relative_path" }
      }
    }
  }
}