Gitar GitLab Projects API

openapi: 3.1.0
info:
  title: Gitar External GitLab MR Status GitLab Projects API
  description: API for managing your Gitar installation and integrations
  contact:
    name: Gitar
    url: https://gitar.ai
    email: noreply@gitar.ai
  license:
    name: ''
  version: 1.0.0
servers:
- url: https://api.gitar.ai/v1
tags:
- name: GitLab Projects
paths:
  /external/gitlab/projects:
    post:
      tags:
      - GitLab Projects
      summary: Onboard a GitLab project
      description: Add a GitLab project to Gitar and configure webhooks for code review. This endpoint is idempotent — calling it for an already-connected project returns success with status `already_connected`.
      operationId: onboardGitlabProject
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OnboardGitlabProjectApiRequest'
        required: true
      responses:
        '200':
          description: Project onboarded successfully or already connected
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OnboardGitlabProjectApiResponse'
        '400':
          description: Bad request (missing project_id and project_path)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseFailure'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseFailure'
        '403':
          description: Insufficient scopes
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseFailure'
        '404':
          description: GitLab integration not found for this organization
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseFailure'
      security:
      - bearerAuth: []
components:
  schemas:
    OnboardProjectStatus:
      type: string
      description: Status of an individual project onboard operation.
      enum:
      - onboarded
      - already_connected
      - failed
    OnboardGitlabProjectApiResponse:
      type: object
      description: Response from onboarding a single GitLab project via the external API.
      required:
      - success
      - project_path
      - status
      - webhook_configured
      properties:
        error:
          type:
          - string
          - 'null'
        project_id:
          type:
          - integer
          - 'null'
          format: int64
          minimum: 0
        project_path:
          type: string
        status:
          $ref: '#/components/schemas/OnboardProjectStatus'
        success:
          type: boolean
        webhook_configured:
          type: boolean
    ResponseFailure:
      type: object
      required:
      - message
      properties:
        error_code:
          type:
          - string
          - 'null'
        message:
          type: string
    OnboardGitlabProjectApiRequest:
      type: object
      description: 'Request to onboard a single GitLab project via the external API.


        One of `project_id` or `project_path` must be provided.

        If both are present, `project_id` takes precedence.'
      properties:
        project_id:
          type:
          - integer
          - 'null'
          format: int64
          description: GitLab project numeric ID (e.g. 12345)
          minimum: 0
        project_path:
          type:
          - string
          - 'null'
          description: GitLab project path (e.g. "group/subgroup/project")
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer