Run lineage

Run lineage connects visible conversation state to the work behind it.

Lineage fields

Field	Meaning
`conversationId`	Conversation that owns messages and conversation-owned runs.
`messageId`	Message associated with input or output.
`runId`	Durable run ID.
`kind`	Run kind, such as `agent`, `workflow`, or `job`.
`owner`	Scope that owns the run.
`rootRunId`	First run in a run tree.
`parentRunId`	Run that spawned a child run.
`spawnedFromToolCallId`	Tool call that started a child run.
`latestEventId`	Latest persisted event for the run.
`cronJobId`	Schedule that created a job run.
`jobId`	Job record for background execution.
`target`	Runtime target, such as a task, workflow, deploy, or agent target.

Start with the conversation or run ID. Parent and root IDs show related work. Run events show execution history.