Stream events from a DAG-failure diagnosis run
Returns a Server-Sent Events stream of diagnosis events. Supports reconnection via the lastEventId query parameter.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Path Parameters
The ID of the Organization to which the Deployment belongs.
The Deployment's ID.
The diagnosis run ID.
Query Parameters
The last event ID received, used for reconnection.
Response
OK
Core identification
Affected DAGs & child findings
Cascade topology
Cofailure analysis
Coverage quality
Diagnostic checks
Availability
Evidence
confirmed, hypothesis, insufficient_evidence Temporal context
Provenance fields layered on by core / polaris-agent after the LLM emits:
- FromDagRunId: original dag_run_id when this diagnosis was replayed from the polaris-agent dedup cache (absent on fresh diagnoses).
- SessionId: durable id of the RCA session row this diagnosis was emitted from.
Log analysis
Connection context
Root cause
Severity & confidence
Remediation & recommendations
Timeline & change signals
Vendor context