> ## Documentation Index
> Fetch the complete documentation index at: https://docs.firedrill.run/llms.txt
> Use this file to discover all available pages before exploring further.

# Read persisted safe-boundary run coordination

> Returns null before the first accepted control; no owner or initial control is synthesized. Requires current run.read authority in this project.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/projects/{projectId}/runs/{hostedRunId}/coordination
openapi: 3.1.0
info:
  title: Firedrill Control API
  version: 1.0.0
  description: >-
    The control plane for drills, drill runs, and the worlds they run in. Errors
    always carry the canonical envelope; unsafe operations require an
    Idempotency-Key; long work returns an operation resource.
servers:
  - url: https://api.firedrill.run
security:
  - controlCredential: []
paths:
  /v1/projects/{projectId}/runs/{hostedRunId}/coordination:
    get:
      summary: Read persisted safe-boundary run coordination
      description: >-
        Returns null before the first accepted control; no owner or initial
        control is synthesized. Requires current run.read authority in this
        project.
      operationId: runs.getCoordination
      parameters:
        - name: projectId
          in: path
          required: true
          schema:
            type: string
            pattern: ^prj_[0-9a-z]{12,32}$
        - name: hostedRunId
          in: path
          required: true
          schema:
            type: string
            pattern: ^hrun_[0-9a-z]{12,32}$
      responses:
        '200':
          description: Persisted coordination, or null before control history
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RunCoordinationResponse'
        default:
          description: Canonical error envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
components:
  schemas:
    RunCoordinationResponse:
      type: object
      properties:
        control:
          allOf:
            - $ref: '#/components/schemas/RunCoordinationControl'
          nullable: true
        eligibility:
          type: string
          enum:
            - available
            - unsupported
            - not_owner
            - not_authorized
            - unavailable
      required:
        - control
        - eligibility
      additionalProperties: false
    ErrorEnvelope:
      type: object
      properties:
        code:
          type: string
          pattern: ^(control|world)\.[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$
        message:
          type: string
          minLength: 1
        correlationId:
          type: string
          minLength: 1
        retryable:
          type: boolean
        retryAfterMs:
          type: integer
          exclusiveMinimum: 0
          maximum: 9007199254740991
        operationId:
          type: string
        source:
          type: string
          enum:
            - platform
            - simulated_provider
        issues:
          type: array
          items:
            type: object
            properties:
              path:
                type: string
              code:
                type: string
              message:
                type: string
            required:
              - path
              - code
              - message
            additionalProperties: false
        details:
          type: object
          propertyNames:
            type: string
          additionalProperties: {}
        evidence:
          type: object
          properties:
            sessionId:
              type: string
            runId:
              type: string
            journalSeq:
              type: integer
              minimum: 0
              maximum: 9007199254740991
            buildHash:
              type: string
          additionalProperties: false
      required:
        - code
        - message
        - correlationId
        - retryable
        - source
      additionalProperties: true
    RunCoordinationControl:
      type: object
      properties:
        schemaVersion:
          type: number
          enum:
            - 1
        organizationId:
          type: string
          pattern: ^org_[0-9a-z]{12,32}$
        projectId:
          type: string
          pattern: ^prj_[0-9a-z]{12,32}$
        hostedRunId:
          type: string
          pattern: ^hrun_[0-9a-z]{12,32}$
        state:
          type: string
          enum:
            - running
            - pause_requested
            - paused
            - resume_requested
        generation:
          type: integer
          minimum: 0
          exclusiveMinimum: true
          maximum: 9007199254740991
        version:
          type: integer
          minimum: -9007199254740991
          maximum: 9007199254740991
        updatedAtMs:
          type: integer
          minimum: -9007199254740991
          maximum: 9007199254740991
        activeInteractionId:
          type: string
          minLength: 1
          maxLength: 96
      required:
        - schemaVersion
        - organizationId
        - projectId
        - hostedRunId
        - state
        - generation
        - version
        - updatedAtMs
      additionalProperties: false
  securitySchemes:
    controlCredential:
      type: http
      scheme: bearer
      description: Opaque control credential

````