operationId in the link object is a string
MODIFY
schemas/v3.1/schema.json
schemas/v3.1/schema.json
"type": "string",
"format": "uri-reference"
},
- "operationId": true,
+ "operationId": {
+ "type": "string"
+ },
"parameters": {
"$ref": "#/$defs/map-of-strings"
},

MODIFY
schemas/v3.1/schema.yaml
schemas/v3.1/schema.yaml
@@ -646,7 +646,8 @@ $defs:
operationRef:
type: string
format: uri-reference
- operationId: true
+ operationId:
+ type: string
parameters:
$ref: '#/$defs/map-of-strings'
requestBody: true

operationId in the link object is a string

https://spec.openapis.org/oas/v3.1.0#fixed-fields-16