Sidequest Commons machine proposal

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rodcor.github.io/sidequest-commons/schemas/proposal-v1.schema.json",
  "title": "Sidequest Commons machine proposal",
  "description": "A bounded proposal envelope that is serialized as the body of a GitHub issue.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "kind",
    "schemaVersion",
    "name",
    "category",
    "problem",
    "audience",
    "smallestUsefulVersion",
    "successCriteria",
    "whyNow",
    "safety"
  ],
  "properties": {
    "kind": {
      "const": "sidequest-proposal"
    },
    "schemaVersion": {
      "const": 1
    },
    "name": {
      "type": "string",
      "minLength": 3,
      "maxLength": 80
    },
    "category": {
      "enum": [
        "Accessibility",
        "Climate & environment",
        "Creativity",
        "Civic utility",
        "Developer tools",
        "Education",
        "Local community",
        "Open data",
        "Personal productivity",
        "Science"
      ]
    },
    "problem": {
      "type": "string",
      "minLength": 30,
      "maxLength": 700
    },
    "audience": {
      "type": "string",
      "minLength": 10,
      "maxLength": 300
    },
    "smallestUsefulVersion": {
      "type": "string",
      "minLength": 30,
      "maxLength": 1000
    },
    "successCriteria": {
      "type": "array",
      "minItems": 1,
      "maxItems": 6,
      "items": {
        "type": "string",
        "minLength": 15,
        "maxLength": 110
      }
    },
    "whyNow": {
      "type": "string",
      "maxLength": 700
    },
    "safety": {
      "type": "object",
      "additionalProperties": false,
      "required": [
        "noForbiddenCapabilities",
        "starsOptional",
        "openSourceBuild"
      ],
      "properties": {
        "noForbiddenCapabilities": {
          "const": true,
          "description": "The proposal does not request credentials, private data, surveillance, malware, spam, weapons, deceptive engagement, access bypass, or irreversible third-party actions."
        },
        "starsOptional": {
          "const": true
        },
        "openSourceBuild": {
          "const": true
        }
      }
    }
  }
}