Vercel v0 Iterative App Build

arazzo: 1.0.1
info:
  title: Vercel v0 Iterative App Build
  summary: Generate an app, apply two sequential refinements, then read back the final chat.
  description: >-
    A multi-turn build loop for the v0 Platform API. The workflow creates a chat
    from an initial prompt, applies two ordered refinement instructions by
    continuing the same chat session, and finally re-reads the chat to capture the
    settled preview URL and file set. It chains four real operations and inlines
    each request so the full iteration sequence is self-describing.
  version: 1.0.0
sourceDescriptions:
- name: chatsApi
  url: ../openapi/vercel-chats-api-openapi.yml
  type: openapi
workflows:
- workflowId: iterativeAppBuild
  summary: Create a v0 chat and apply two refinements, then fetch the final state.
  description: >-
    Generates an app and iterates twice on it within one chat session, then reads
    the chat to return the final preview URL and generated files.
  inputs:
    type: object
    required:
    - apiKey
    - message
    - firstRefinement
    - secondRefinement
    properties:
      apiKey:
        type: string
        description: v0 API key (V0_API_KEY) used as a Bearer token.
      message:
        type: string
        description: Initial natural language prompt describing the app to generate.
      firstRefinement:
        type: string
        description: First follow-up refinement instruction.
      secondRefinement:
        type: string
        description: Second follow-up refinement instruction.
  steps:
  - stepId: createChat
    description: Start a new v0 chat session that generates the initial application.
    operationId: createChat
    parameters:
    - name: Authorization
      in: header
      value: Bearer $inputs.apiKey
    requestBody:
      contentType: application/json
      payload:
        message: $inputs.message
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      chatId: $response.body#/id
  - stepId: firstRefine
    description: Continue the chat with the first refinement instruction.
    operationId: continueChat
    parameters:
    - name: chatId
      in: path
      value: $steps.createChat.outputs.chatId
    - name: Authorization
      in: header
      value: Bearer $inputs.apiKey
    requestBody:
      contentType: application/json
      payload:
        message: $inputs.firstRefinement
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      previewUrl: $response.body#/previewUrl
  - stepId: secondRefine
    description: Continue the chat again with the second refinement instruction.
    operationId: continueChat
    parameters:
    - name: chatId
      in: path
      value: $steps.createChat.outputs.chatId
    - name: Authorization
      in: header
      value: Bearer $inputs.apiKey
    requestBody:
      contentType: application/json
      payload:
        message: $inputs.secondRefinement
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      previewUrl: $response.body#/previewUrl
  - stepId: getFinal
    description: Re-read the chat to capture the final settled preview URL and files.
    operationId: getChat
    parameters:
    - name: chatId
      in: path
      value: $steps.createChat.outputs.chatId
    - name: Authorization
      in: header
      value: Bearer $inputs.apiKey
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      previewUrl: $response.body#/previewUrl
      files: $response.body#/files
      title: $response.body#/title
  outputs:
    chatId: $steps.createChat.outputs.chatId
    previewUrl: $steps.getFinal.outputs.previewUrl
    files: $steps.getFinal.outputs.files
    title: $steps.getFinal.outputs.title