Implement SEP-990 Enterprise Managed OAuth - #1328

{ "workflowData": { "owner": "modelcontextprotocol", "repo": "typescript-sdk", "sha": "19dc287fca01cf62da05440f24ee2338cd3c8884", "ref": "1328" }, "key": "U6W8pZxBaV", "runId": 22128852851, "webhookDebug": { "action": "requested", "head_branch": "feature/sep-990-enterprise-oauth", "head_repository_full_name": "sagar-okta/typescript-sdk", "full_name": "modelcontextprotocol/typescript-sdk", "isPullRequest": true, "prNumber": 1328, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "sagar-okta/typescript-sdk:feature/sep-990-enterprise-oauth", "oldPrDataHash": "J6Z1LbToxQ", "lookupKey": "sagar-okta/typescript-sdk:feature/sep-990-enterprise-oauth", "data": { "owner": "modelcontextprotocol", "repo": "typescript-sdk", "sha": "19dc287fca01cf62da05440f24ee2338cd3c8884", "ref": "1328" } } }