ticket.open

Create or collapse-into a ticket — the single ingress for humans and adapters.

Overview

Property	Value
Workflow type	Linear
Library	App-tickets
Version	1.0

Input Schema

Field	Type	Required	Default	Description
organization_uuid	string	Yes	—	Organization that owns the ticket; injected from authenticated context.
kind	string	Yes	—	Ticket kind. Values: incident, task, info.
title	string	Yes	—	Short human-readable work title.
source_type	string	Yes	—	Ticket provenance. Values: lumen_error_group, actor_finding, alert_rule, audit_finding, tool_request, workflow_run, human, api, linear.
owner_type	string	Yes	—	Principal type. Values: human, actor, agent, platform.
owner_uuid	string	Yes	—	UUID or stable identifier of the creating principal.
body	string	No	—	Optional detailed problem statement or work request.
subject_type	string	No	—	Optional ecosystem object type that the work concerns.
subject_uuid	string	No	—	Optional public UUID of the subject object.
source_uuid	string	No	—	Optional public UUID of the source signal or record.
source_fingerprint	string	No	—	Stable source deduplication key; repeated opens collapse into one ticket.
priority	string	No	—	Priority. Canonical values: page, priority, routine, deferred. Accepted aliases: urgent->page, high->priority, medium->routine, low->deferred.
severity	string	No	—	Impact severity. Values: critical, high, medium, low, info.
assignee_type	string	No	—	Principal type. Values: human, actor, agent, platform.
assignee_uuid	string	No	—	Optional UUID or stable identifier of the assigned principal.
labels	list	No	—	Optional labels; repeated values are normalized by persistence.
extra	json	No	—	Optional source-specific metadata retained with the ticket.
evidence_refs	list	No	—	Workflow IDs or {workflow_uuid, role} evidence links.
dispatch	boolean	No	—	When true, best-effort deliver the new assignment after persistence.

Output Schema

Field	Type	Required	Default	Description
ticket_uuid	string	No	—	Public UUID of the created or deduplicated ticket.
created	boolean	No	—	True when a new ledger row was created; false when deduplicated.
status	string	No	—	Current canonical ticket lifecycle status.
occurrence_count	integer	No	—	Number of source occurrences collapsed into this ticket.
organization_uuid	string	No	—	Input field preserved in workflow state.
kind	string	No	—	Input field preserved in workflow state.
title	string	No	—	Input field preserved in workflow state.
source_type	string	No	—	Input field preserved in workflow state.
owner_type	string	No	—	Input field preserved in workflow state.
owner_uuid	string	No	—	Input field preserved in workflow state.
body	string	No	—	Input field preserved in workflow state.
subject_type	string	No	—	Input field preserved in workflow state.
subject_uuid	string	No	—	Input field preserved in workflow state.
source_uuid	string	No	—	Input field preserved in workflow state.
source_fingerprint	string	No	—	Input field preserved in workflow state.
priority	string	No	—	Input field preserved in workflow state.
severity	string	No	—	Input field preserved in workflow state.
assignee_type	string	No	—	Input field preserved in workflow state.
assignee_uuid	string	No	—	Input field preserved in workflow state.
labels	list	No	—	Input field preserved in workflow state.
extra	json	No	—	Input field preserved in workflow state.
evidence_refs	list	No	—	Input field preserved in workflow state.
dispatch	boolean	No	—	Input field preserved in workflow state.
failed_at	string	No	—	ISO-8601 timestamp when action_fail recorded the failure
failure_reason	string	No	—	Human-readable failure reason from action_fail
failure_type	string	No	—	Engine-stamped failure category
failed_action	string	No	—	Engine-stamped action that raised
failed_at_state	string	No	—	Engine-stamped state when the workflow failed
failed_step	string	No	—	Engine-stamped step name (DAG path)
failed_layer	string	No	—	Engine-stamped layer index (DAG path)
error	string	No	—	Engine-stamped exception message
error_type	string	No	—	Engine-stamped exception class name

States

State	Initial	Terminal	Success	Auto-advance	Description
initiated	Yes	No	—	execute	Accepted
executing	No	No	—	complete	Applying the mutation
completed	No	Yes	Yes	—	Done
failed	No	Yes	No	—	Failed

State Diagram

Transitions

From	Action	To	Description
initiated	execute	executing	Run the mutation
executing	complete	completed	Finalize
* (any state)	fail	failed	Catch-all failure

API Usage

POST /api/workflows/start
Content-Type: application/json

{
  "workflow_type": "ticket.open",
  "initial_data": {
    "organization_uuid": "value",
    "kind": "value",
    "title": "value",
    "source_type": "value"
  }
}