Changes to Get agent run

added the non-success response with the status 502

added the optional property error/code to the response with the 401 status

added the optional property error/code to the response with the 404 status

added the optional property error/details to the response with the 401 status

added the optional property error/details to the response with the 404 status

added the optional property error/request_id to the response with the 401 status

added the optional property error/request_id to the response with the 404 status

added the optional property error/retryable to the response with the 401 status

added the optional property error/retryable to the response with the 404 status

added the optional property request_id to the response with the 200 status

added the new OPENAI enum value to the provider response property for the response status 200

the trace_id response's property pattern ^[0-9a-f]{32}$ was added for the status 200

added the required property context_start_run_id to the response with the 200 status

added the required property context_truncated to the response with the 200 status

added the required property input_history_mode to the response with the 200 status

removed the required property context_start_run_id from the response with the 200 status

removed the required property context_truncated from the response with the 200 status

removed the required property input_history_mode from the response with the 200 status

removed the OPENAI enum value from the provider response property for the response status 200

the trace_id response's property pattern ^[0-9a-f]{32}$ was removed for the status 200

added the required property context_start_run_id to the response with the 200 status

added the required property context_truncated to the response with the 200 status

added the required property input_history_mode to the response with the 200 status

the trace_id response's property pattern ^[0-9a-f]{32}$ was added for the status 200

added the new OPENAI enum value to the provider response property for the response status 200

the response property created_at became nullable for the status 200

the response property error became nullable for the status 200

the response property finished_at became nullable for the status 200

the response property idempotency_key became nullable for the status 200

the response property input became nullable for the status 200

the response property mcp_session_id became nullable for the status 200

the response property result became nullable for the status 200

the response property runtime_arn became nullable for the status 200

the response property started_at became nullable for the status 200

the response property trace_id became nullable for the status 200

removed the optional property runtime_session_id from the response with the 200 status

added the new CANCELLED enum value to the status response property for the response status 200

added the new CANCELLING enum value to the status response property for the response status 200

added the new FAILED enum value to the status response property for the response status 200

added the new QUEUED enum value to the status response property for the response status 200

added the new RUNNING enum value to the status response property for the response status 200

added the new SUCCEEDED enum value to the status response property for the response status 200

the response property thread_id became required for the status 200

added the new optional query request parameter principal_id

added the optional property input to the response with the 200 status

added the optional property parent_run_id to the response with the 200 status

added the new VERTEX_AI enum value to the provider response property for the response status 200

endpoint added