Begin an MCP connector OAuth install

Begin an OAuth browser flow to install or reconnect a preset MCP connector. Open the authorization URL in the user's browser, then poll getMcpOAuthInstallAttempt with the returned connectionId and requestId to check this attempt's completion.

POST https://api.sazabi.com/v1/mcp-connectors/oauth/begin

curl -X POST "https://example.com/mcp-connectors/oauth/begin" \  -H "Content-Type: application/json" \  -d '{    "providerId": "string"  }'

{  "requestId": "d385ab22-0f51-4b97-9ecd-b8ff3fd4fcb6",  "authorizationUrl": "string",  "connectionId": "84b500d7-71c8-4b1f-adf4-f1eb0000973d",  "expiresAt": "2019-08-24T14:15:22Z"}