Invalid Phone Master API Specification

I have noticed that your OpenAPI spec is incorrect in places.
The following is a log of where errors occurred in GitHub - ogen-go/ogen: OpenAPI v3 code generator for go.

$ ogen -package zoomphone -target zoomphone -clean ZoomPhoneMasterAPISpec.json
  - ZoomPhoneMasterAPISpec.json:55495:25 -> "tokenUrl" MUST be in the form of a URL: parse "": empty url
	  55492 |         "flows": {
	  55493 |           "authorizationCode": {
	  55494 |             "authorizationUrl": "/",
	→ 55495 |             "tokenUrl": "",
	  55496 |             "refreshUrl": "",
	  55497 |             "scopes": {
	  55498 |               "phone:master": "phone:master",
	  55499 |               "phone:read:list_account_settings:master": "phone:read:list_account_settings:master",

generation failed:
    main.run
        /Users/tadayuki/.go/pkg/mod/github.com/ogen-go/ogen@v1.2.2/cmd/ogen/main.go:377

.....

$ ogen -package zoomphone -target zoomphone -clean ZoomPhoneMasterAPISpec.json
  - ZoomPhoneMasterAPISpec.json:29943:25 -> path parameters must be required
	  29940 |             "name": "exceptionRuleId",
	  29941 |             "in": "path",
	  29942 |             "description": "The exception rule ID.",
	→ 29943 |             "required": false,
	  29944 |             "schema": {
	  29945 |               "type": "string",
	  29946 |               "example": "2ypsHHwTTFK-fzZJkudYwA"
	  29947 |             }

generation failed:
    main.run
        /Users/tadayuki/.go/pkg/mod/github.com/ogen-go/ogen@v1.2.2/cmd/ogen/main.go:377