> ## 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.

# Inspect the exact cases before launch

> Read up to 100 cases after the given ordinal. Each page carries the retained plan digest; launch names this same plan and digest.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/projects/{projectId}/simulation-plans/{planId}/cases
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}/simulation-plans/{planId}/cases:
    get:
      summary: Inspect the exact cases before launch
      description: >-
        Read up to 100 cases after the given ordinal. Each page carries the
        retained plan digest; launch names this same plan and digest.
      operationId: simulations.listPlanCases
      parameters:
        - name: projectId
          in: path
          required: true
          schema:
            type: string
            pattern: ^prj_[0-9a-z]{12,32}$
        - name: planId
          in: path
          required: true
          schema:
            type: string
            pattern: ^simplan_[0-9a-z]{12,32}$
        - name: after
          in: query
          required: false
          schema:
            default: 0
            type: integer
            minimum: 0
            maximum: 10000
        - name: limit
          in: query
          required: false
          schema:
            default: 100
            type: integer
            minimum: 0
            exclusiveMinimum: true
            maximum: 100
      responses:
        '200':
          description: Exact planned cases
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SimulationPlanCasePage'
        default:
          description: Canonical error envelope
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorEnvelope'
components:
  schemas:
    SimulationPlanCasePage:
      type: object
      properties:
        planId:
          type: string
          pattern: ^simplan_[0-9a-z]{12,32}$
        planDigest:
          type: string
          pattern: ^sha256:[0-9a-f]{64}$
        items:
          maxItems: 100
          type: array
          items:
            type: object
            properties:
              ordinal:
                type: integer
                minimum: 0
                exclusiveMinimum: true
                maximum: 10000
              drillId:
                type: string
                minLength: 1
                maxLength: 96
                pattern: ^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$
              targetId:
                type: string
                minLength: 1
                maxLength: 96
                pattern: ^[a-z][a-z0-9]*(?:[-_][a-z0-9]+)*$
              classification:
                type: string
                enum:
                  - contract
                  - safety
                  - quality
              trial:
                type: integer
                minimum: 0
                exclusiveMinimum: true
                maximum: 10000
              trialCount:
                type: integer
                minimum: 0
                exclusiveMinimum: true
                maximum: 10000
              seed:
                type: string
                pattern: ^(0|[1-9]\d{0,19})$
              timeoutMs:
                type: integer
                minimum: 1
                maximum: 86400000
            required:
              - ordinal
              - drillId
              - targetId
              - classification
              - trial
              - trialCount
              - seed
              - timeoutMs
            additionalProperties: false
        total:
          type: integer
          minimum: 0
          exclusiveMinimum: true
          maximum: 10000
        nextAfter:
          type: integer
          minimum: 0
          exclusiveMinimum: true
          maximum: 10000
      required:
        - planId
        - planDigest
        - items
        - total
      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
  securitySchemes:
    controlCredential:
      type: http
      scheme: bearer
      description: Opaque control credential

````