{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://mnstry.ai/contracts/atelier-lock.v1.schema.json",
  "title": "mnstry.atelier-lock@v1",
  "description": "Reviewable lock document recording the installed Atelier package, contract versions, boundary digest, and applied migration state for a workspace.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema",
    "generatedAt",
    "package",
    "template",
    "runtime",
    "contracts",
    "extensionPacks",
    "boundaryPolicy",
    "lastSuccessfulUpgrade",
    "appliedMigrations"
  ],
  "properties": {
    "schema": {
      "const": "mnstry.atelier-lock@v1"
    },
    "generatedAt": {
      "type": "string",
      "format": "date-time"
    },
    "package": {
      "type": "object",
      "additionalProperties": false,
      "required": ["name", "version", "source"],
      "properties": {
        "name": {
          "const": "@mnstry/atelier"
        },
        "version": {
          "type": "string",
          "minLength": 1
        },
        "source": {
          "$ref": "#/$defs/packageSource"
        }
      }
    },
    "template": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "version"],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1
        },
        "version": {
          "type": "string",
          "minLength": 1
        }
      }
    },
    "runtime": {
      "type": "object",
      "additionalProperties": false,
      "required": ["node", "telemetry", "egress", "mutation", "runtimeImport", "graphifyExecution"],
      "properties": {
        "node": {
          "type": "object",
          "additionalProperties": false,
          "required": ["range"],
          "properties": {
            "range": {
              "type": "string",
              "minLength": 1
            }
          }
        },
        "telemetry": {
          "const": "none"
        },
        "egress": {
          "const": "local-only"
        },
        "mutation": {
          "const": "not-implemented"
        },
        "runtimeImport": {
          "const": false
        },
        "graphifyExecution": {
          "const": false
        }
      }
    },
    "contracts": {
      "type": "object",
      "additionalProperties": false,
      "required": ["projectConfig", "knowledgeGraph", "boundaryPolicy", "exportContract"],
      "properties": {
        "projectConfig": {
          "const": "mnstry.atelier-project-config@v1"
        },
        "knowledgeGraph": {
          "const": "mnstry.atelier-knowledge-graph@v1"
        },
        "boundaryPolicy": {
          "const": "mnstry.atelier-boundary-policy@v1"
        },
        "exportContract": {
          "const": "atelier-export@v1"
        }
      }
    },
    "extensionPacks": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/extensionPackRef"
      },
      "uniqueItems": true
    },
    "boundaryPolicy": {
      "type": "object",
      "additionalProperties": false,
      "required": ["path", "digest", "snapshot"],
      "properties": {
        "path": {
          "type": ["string", "null"],
          "not": { "pattern": "^/" }
        },
        "digest": {
          "type": ["string", "null"],
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "snapshot": {
          "type": ["object", "null"]
        }
      }
    },
    "lastSuccessfulUpgrade": {
      "type": ["string", "null"],
      "format": "date-time"
    },
    "appliedMigrations": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/appliedMigration"
      }
    }
  },
  "$defs": {
    "packageSource": {
      "type": "object",
      "additionalProperties": false,
      "required": ["type"],
      "properties": {
        "type": {
          "enum": ["git", "private_github", "npm", "local_path", "tarball"]
        },
        "repository": {
          "type": ["string", "null"],
          "minLength": 1
        },
        "gitSha": {
          "type": ["string", "null"],
          "pattern": "^[0-9a-f]{40}$"
        },
        "path": {
          "type": ["string", "null"],
          "not": { "pattern": "^/" }
        },
        "registry": {
          "type": ["string", "null"],
          "minLength": 1
        }
      },
      "allOf": [
        {
          "if": {
            "properties": { "type": { "const": "git" } },
            "required": ["type"]
          },
          "then": {
            "required": ["repository", "gitSha"]
          }
        },
        {
          "if": {
            "properties": { "type": { "const": "local_path" } },
            "required": ["type"]
          },
          "then": {
            "required": ["path"]
          }
        }
      ]
    },
    "extensionPackRef": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "version"],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1
        },
        "version": {
          "type": "string",
          "minLength": 1
        },
        "digest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        }
      }
    },
    "appliedMigration": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "hash", "appliedAt"],
      "properties": {
        "id": {
          "type": "string",
          "minLength": 1
        },
        "hash": {
          "type": "string",
          "pattern": "^[0-9a-f]{64}$"
        },
        "appliedAt": {
          "type": "string",
          "format": "date-time"
        }
      }
    }
  }
}