I want to create a spectral ruleset that checks whether 200 or 400 responses have a schema.$ref tag

[nandeshwarshubh]

I want to create a spectral ruleset that checks whether 200 or 400 responses have a schema.$ref tag

OPEN API YAML - myapi.yaml

openapi: 3.0.3
info:
  title: Simple API
  description: A simple OpenAPI specification with a single endpoint
  version: 1.0.0
paths:
  /example:
    post:
      summary: Example API endpoint
      description: Accepts a request DTO and returns a response DTO
      operationId: exampleOperation
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/RequestDTO'
      responses:
        "200":
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ResponseDTO'
        "400":
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExceptionDTO'
components:
  schemas:
    RequestDTO:
      type: object
      properties:
        id:
          type: string
          format: uuid
        name:
          type: string
      required:
        - id
        - name
    ResponseDTO:
      type: object
      properties:
        message:
          type: string
        timestamp:
          type: string
          format: date-time
      required:
        - message
        - timestamp
    ExceptionDTO:
      type: object
      properties:
        error:
          type: string
        details:
          type: string
      required:
        - error

My custom spectral ruleset - .spectral.yaml

rules:
  response-schema-ref-required:
    description: "Responses with status codes 200, 400, or 500 must have a schema with a $ref key."
    message: "Response schema must reference a schema via $ref."
    severity: error
    given: "$.paths[*][*].responses[200,400,500].content[*].schema"
    then:
      field: $ref
      function: truthy

run - npx spectral lint myapifile.yaml

Response -
/Users/myuser/Downloads/spectral-demo/myapifile.yaml
47:17 error response-schema-ref-required Response schema must reference a schema via $ref. components.schemas.ResponseDTO
59:18 error response-schema-ref-required Response schema must reference a schema via $ref. components.schemas.ExceptionDTO

Why is it checking in components.schemas when we have specifically mentioned - given: "$.paths ?