{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://missionweaveprotocol.dev/schemas/0.1/work-contract.schema.json",
  "title": "MissionWeaveProtocol 0.1 Work Contract",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "contractVersion",
    "goal",
    "requiredDeliverables",
    "acceptanceCriteria",
    "inputArtifacts",
    "dependencyWorkItemIds",
    "allowedResources",
    "requiredCapabilities",
    "deadline",
    "requestedUrgency",
    "businessImpact",
    "retryPolicy",
    "budget",
    "sideEffectRisk",
    "executionApproval"
  ],
  "properties": {
    "contractVersion": {
      "$ref": "common.schema.json#/$defs/positiveInteger"
    },
    "goal": {
      "type": "string",
      "minLength": 1,
      "maxLength": 10000
    },
    "requiredDeliverables": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["deliverableId", "description", "mediaType", "schema"],
        "properties": {
          "deliverableId": {
            "type": "string",
            "pattern": "^[a-zA-Z0-9][a-zA-Z0-9._-]{0,127}$"
          },
          "description": {
            "type": "string",
            "minLength": 1,
            "maxLength": 4000
          },
          "mediaType": {
            "type": "string",
            "pattern": "^[A-Za-z0-9!#$&^_.+-]+/[A-Za-z0-9!#$&^_.+-]+$"
          },
          "schema": {
            "type": "string",
            "format": "uri"
          }
        }
      },
      "minItems": 1
    },
    "acceptanceCriteria": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/acceptanceCriterion"
      },
      "minItems": 1
    },
    "inputArtifacts": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/sha256"
      },
      "uniqueItems": true
    },
    "dependencyWorkItemIds": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/id"
      },
      "uniqueItems": true
    },
    "allowedResources": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/resourceGrant"
      }
    },
    "requiredCapabilities": {
      "type": "array",
      "items": {
        "$ref": "common.schema.json#/$defs/capabilityRef"
      },
      "minItems": 1
    },
    "deadline": {
      "$ref": "common.schema.json#/$defs/timestamp"
    },
    "requestedUrgency": {
      "enum": ["routine", "normal", "high", "critical"]
    },
    "businessImpact": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4000
    },
    "retryPolicy": {
      "type": "object",
      "additionalProperties": false,
      "required": ["maxAttempts", "backoff", "maxDelay", "retryableFailures"],
      "properties": {
        "maxAttempts": {
          "$ref": "common.schema.json#/$defs/positiveInteger"
        },
        "backoff": {
          "enum": ["none", "fixed", "exponential"]
        },
        "maxDelay": {
          "$ref": "common.schema.json#/$defs/duration"
        },
        "retryableFailures": {
          "type": "array",
          "items": {
            "type": "string",
            "pattern": "^[A-Z][A-Z0-9_]{1,127}$"
          },
          "uniqueItems": true
        }
      }
    },
    "budget": {
      "$ref": "common.schema.json#/$defs/budget"
    },
    "sideEffectRisk": {
      "enum": ["none", "reversible", "external", "high_risk", "destructive"]
    },
    "executionApproval": {
      "enum": ["not_required", "policy_required", "human_required"]
    },
    "constraints": {
      "type": "object"
    },
    "extensions": {
      "$ref": "common.schema.json#/$defs/extensions"
    }
  }
}