{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://project-button.local/schemas/hr30-action-request-p0.1.json",
  "title": "HR-30 high-level action request P0.1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "request_id",
    "issued_at_utc",
    "expires_after_ms",
    "action",
    "parameters",
    "constraints"
  ],
  "properties": {
    "request_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{8,64}$"
    },
    "issued_at_utc": {
      "type": "string",
      "format": "date-time"
    },
    "expires_after_ms": {
      "type": "integer",
      "minimum": 50,
      "maximum": 2000
    },
    "action": {
      "enum": [
        "SPEAK",
        "LOOK_AT",
        "OPEN_HAND",
        "CLOSE_HAND",
        "PRESENT_OBJECT",
        "RELEASE_OBJECT",
        "STAND_PREPARE",
        "WEIGHT_SHIFT_REQUEST",
        "STEP_REQUEST",
        "STOP_REQUEST"
      ]
    },
    "parameters": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "side": {
          "enum": [
            "LEFT",
            "RIGHT",
            "BOTH",
            "NONE"
          ]
        },
        "target_frame": {
          "type": "string",
          "maxLength": 64
        },
        "text": {
          "type": "string",
          "maxLength": 500
        },
        "distance_m": {
          "type": "number",
          "minimum": 0,
          "maximum": 0.1
        },
        "duration_s": {
          "type": "number",
          "minimum": 0.05,
          "maximum": 10.0
        }
      }
    },
    "constraints": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "supervised",
        "require_confirmed_object",
        "max_speed_scale"
      ],
      "properties": {
        "supervised": {
          "const": true
        },
        "require_confirmed_object": {
          "type": "boolean"
        },
        "max_speed_scale": {
          "type": "number",
          "minimum": 0.0,
          "maximum": 0.25
        }
      }
    }
  }
}