apiVersion: naftiko.dev/v1
kind: WorkflowCapability
metadata:
  name: bulk-cohort-export
  provider: childrens-hospital-of-philadelphia
  description: Backend-services (client_credentials) workflow that triggers a Group-level $export at the CHOP FHIR endpoint, polls for completion, and downloads NDJSON files for population analytics. Requires CHOP-approved app registration with system/*.read scope.
spec:
  trigger:
    type: oauth2-client-credentials
    tokenUrl: https://epicnsproxy.chop.edu/fhir/oauth2/token
    scopes:
      - system/*.read
  steps:
    - id: kickoff
      capability: chop.bulk.export
      params:
        groupId: <approved-group-id>
        _type: Patient,Condition,Observation,Encounter,Procedure,MedicationRequest,Immunization
    - id: poll-status
      type: poll
      description: Poll the Content-Location URL until status 200 (manifest) or terminal error.
    - id: download-ndjson
      type: fetch
      description: Stream each output[].url NDJSON file with the access token.