{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/TaskExecution", "title": "TaskExecution", "type": "object", "description": "A task execution instance", "properties": { "executionId": { "type": "string", "description": "Unique execution identifier" }, "taskId": { "type": "string" }, "status": { "type": "string", "enum": [ "RUNNING", "SUCCESS", "FAILURE", "CANCELLED" ] }, "startTime": { "type": "string", "format": "date-time" }, "endTime": { "type": "string", "format": "date-time" }, "duration": { "type": "integer", "description": "Execution duration in milliseconds" }, "engineId": { "type": "string", "description": "Remote engine that ran the task" }, "logUrl": { "type": "string", "format": "uri", "description": "URL to access execution logs" } } }