{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mnstry.ai/contracts/atelier-extension-pack.v1.schema.json",
  "title": "MNSTRY Atelier Extension Pack v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "id",
    "namespace",
    "version",
    "terms",
    "migrations",
    "fixtures",
    "lenses",
    "readinessRules",
    "actionRules",
    "exportMappings"
  ],
  "properties": {
    "schema": {
      "const": "mnstry-atelier-extension-pack@v1"
    },
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*$"
    },
    "namespace": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9-]*$"
    },
    "version": {
      "type": "string",
      "pattern": "^v[0-9]+$"
    },
    "terms": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "label", "kind"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "label": {
            "type": "string",
            "minLength": 1
          },
          "kind": {
            "enum": ["concept", "workflow", "lens", "readiness", "action", "export_mapping"]
          }
        }
      }
    },
    "migrations": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "mode", "description"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z0-9][a-z0-9._-]*$"
          },
          "mode": {
            "enum": ["manual_review", "dry_run_only", "generated_projection"]
          },
          "description": {
            "type": "string",
            "minLength": 1
          }
        }
      }
    },
    "fixtures": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^[A-Za-z0-9._/-]+$"
      }
    },
    "protocols": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "schema", "path", "gate"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "schema": {
            "const": "atelier-readiness-protocol@v1"
          },
          "path": {
            "type": "string",
            "pattern": "^(?!.*(^|/)\\.\\.(/|$))[A-Za-z0-9._/-]+\\.json$"
          },
          "gate": {
            "enum": ["advisory", "required"]
          },
          "title": {
            "type": "string",
            "minLength": 1
          }
        }
      },
      "uniqueItems": true
    },
    "lenses": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "title", "query"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "title": {
            "type": "string",
            "minLength": 1
          },
          "query": {
            "type": "object"
          }
        }
      }
    },
    "readinessRules": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "severity", "condition"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "severity": {
            "enum": ["info", "warning", "blocker"]
          },
          "condition": {
            "type": "string",
            "minLength": 1
          }
        }
      }
    },
    "actionRules": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "actionIntent", "runtimeMutation"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "actionIntent": {
            "type": "string",
            "pattern": "^copy\\.[a-zA-Z0-9]+$"
          },
          "runtimeMutation": {
            "const": false
          }
        }
      }
    },
    "exportMappings": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "sourceTerm", "target"],
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "sourceTerm": {
            "type": "string",
            "pattern": "^[a-z][a-z0-9-]*\\.[a-z][a-z0-9-]*:[a-z][a-z0-9._-]*$"
          },
          "target": {
            "enum": [
              "content.material",
              "core.artifact",
              "core.trackable",
              "scheduling.commitment",
              "space.space",
              "space.provision"
            ]
          }
        }
      }
    }
  }
}