openapi: 3.2.0
info:
  title: looot Workflows API
  version: 0.1.0
  description: Discover, inspect, run, and pay for real (or fixture) provider operations through one bearer token.
servers:
- url: https://api.looot.ai
  description: Public API (default)
- url: https://coset-gateway.onrender.com
  description: Legacy host -- still live, for tokens issued before the public domain existed
- url: http://127.0.0.1:8787
  description: Local development
security:
- bearerAuth: []
tags:
- name: Workflows
paths:
  /v1/workflows:
    get:
      summary: List tenant-scoped workflow definitions
      responses:
        '200':
          description: Workflow definitions
        '403':
          description: workflows:read scope required
      tags:
      - Workflows
      operationId: getV1Workflows
      x-operation-id-source: derived
    post:
      summary: Create a workflow and its first draft version
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateWorkflow'
      responses:
        '201':
          description: Workflow snapshot
        '400':
          description: Invalid workflow
        '403':
          description: workflows:write scope required
      tags:
      - Workflows
      operationId: postV1Workflows
      x-operation-id-source: derived
  /v1/workflows/{workflowId}:
    get:
      summary: Get a workflow and all immutable versions
      responses:
        '200':
          description: Workflow snapshot
        '403':
          description: workflows:read scope required
        '404':
          description: Workflow not found
      tags:
      - Workflows
      operationId: getV1WorkflowsByWorkflowId
      x-operation-id-source: derived
  /v1/workflows/{workflowId}/revisions:
    post:
      summary: Create the next draft workflow version
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ReviseWorkflow'
      responses:
        '201':
          description: Workflow snapshot
        '403':
          description: workflows:write scope required
        '404':
          description: Workflow not found
        '409':
          description: Draft already exists
      tags:
      - Workflows
      operationId: postV1WorkflowsByWorkflowIdRevisions
      x-operation-id-source: derived
  /v1/workflows/{workflowId}/publish:
    post:
      summary: Publish an acyclic workflow version
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PublishWorkflow'
      responses:
        '200':
          description: Published workflow snapshot
        '400':
          description: Invalid dependency graph
        '403':
          description: workflows:write scope required
        '409':
          description: Version is not draft
      tags:
      - Workflows
      operationId: postV1WorkflowsByWorkflowIdPublish
      x-operation-id-source: derived
  /v1/workflows/{workflowId}/runs:
    post:
      summary: Start one idempotent version-pinned workflow run
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/StartWorkflow'
      responses:
        '201':
          description: Workflow run snapshot
        '403':
          description: workflows:execute scope required
        '404':
          description: Published workflow not found
      tags:
      - Workflows
      operationId: postV1WorkflowsByWorkflowIdRuns
      x-operation-id-source: derived
  /v1/workflows/preview:
    post:
      summary: Validate and preview a workflow without external effects
      responses:
        '200':
          description: Success
      tags:
      - Workflows
      operationId: postV1WorkflowsPreview
      x-operation-id-source: derived
components:
  schemas:
    WorkflowStep:
      oneOf:
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - endpointId
        - input
        - dependsOn
        - failurePolicy
        - maxChargeUsd
        properties:
          kind:
            const: operation
          stepId:
            type: string
          endpointId:
            type: string
          input:
            type: object
          inputBindings:
            $ref: '#/components/schemas/WorkflowMapping'
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
          maxChargeUsd:
            type: number
            minimum: 0
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - delaySeconds
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: delay
          stepId:
            type: string
          delaySeconds:
            type: integer
            minimum: 1
            maximum: 604800
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - prompt
        - expiresInSeconds
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: approval
          stepId:
            type: string
          prompt:
            type: string
          expiresInSeconds:
            type: integer
            minimum: 60
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - label
        - expiresInSeconds
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: callback
          stepId:
            type: string
          label:
            type: string
          expiresInSeconds:
            type: integer
            minimum: 60
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - mappings
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: transform
          stepId:
            type: string
          mappings:
            $ref: '#/components/schemas/WorkflowMapping'
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - condition
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: branch
          stepId:
            type: string
          condition:
            $ref: '#/components/schemas/WorkflowComparison'
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
      - type: object
        additionalProperties: false
        required:
        - kind
        - stepId
        - workflowId
        - workflowVersion
        - maxChargeUsd
        - dependsOn
        - failurePolicy
        properties:
          kind:
            const: subworkflow
          stepId:
            type: string
          workflowId:
            type: string
          workflowVersion:
            type: integer
            minimum: 1
          maxChargeUsd:
            type: number
            minimum: 0
          dependsOn:
            type: array
            items:
              type: string
          failurePolicy:
            enum:
            - stop
            - continue
          runIf:
            $ref: '#/components/schemas/WorkflowRunIf'
    WorkflowRunIf:
      type: object
      additionalProperties: false
      required:
      - stepId
      - equals
      properties:
        stepId:
          type: string
        equals:
          type: boolean
    ReviseWorkflow:
      type: object
      additionalProperties: false
      required:
      - steps
      properties:
        steps:
          type: array
          minItems: 1
          maxItems: 100
          items:
            $ref: '#/components/schemas/WorkflowStep'
    PublishWorkflow:
      type: object
      additionalProperties: false
      required:
      - version
      properties:
        version:
          type: integer
          minimum: 1
    WorkflowMapping:
      type: object
      maxProperties: 64
      additionalProperties:
        $ref: '#/components/schemas/WorkflowValue'
    StartWorkflow:
      type: object
      additionalProperties: false
      required:
      - idempotencyKey
      properties:
        idempotencyKey:
          type: string
          minLength: 1
          maxLength: 200
    WorkflowValue:
      oneOf:
      - type: object
        additionalProperties: false
        required:
        - source
        - value
        properties:
          source:
            const: literal
          value: {}
      - type: object
        additionalProperties: false
        required:
        - source
        - stepId
        - path
        properties:
          source:
            const: step
          stepId:
            type: string
          path:
            type: array
            maxItems: 16
            items:
              type: string
              minLength: 1
              maxLength: 120
    WorkflowComparison:
      type: object
      additionalProperties: false
      required:
      - left
      - operator
      properties:
        left:
          $ref: '#/components/schemas/WorkflowValue'
        operator:
          enum:
          - eq
          - neq
          - exists
          - gt
          - gte
          - lt
          - lte
        right:
          $ref: '#/components/schemas/WorkflowValue'
    CreateWorkflow:
      type: object
      additionalProperties: false
      required:
      - name
      - steps
      properties:
        name:
          type: string
          minLength: 1
          maxLength: 120
        steps:
          type: array
          minItems: 1
          maxItems: 100
          items:
            $ref: '#/components/schemas/WorkflowStep'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer