@OperationProfileV1�_OperationProfileV1�8OperationProfileV1 { // ABI-registry metadata, not sent in each request
familyId: u8
operationId: u8
requestSchemaId: u16
resultSchemaId: u16 // zero only for kind-4-only stream verbs
allowedRequestKindBits:u8
allowedResultKindBits: u8
streamTransition: u8 // 0 unary, 1 core-child, 2 forward-open, 3 forward-active
maxRequestBodyBytes: u32
maxResultBodyBytes: u32
admissionMode: u8 // 0 none, 1 optional, 2 required
costClassRuleId: u16 // zero only when admissionMode=0
requestCommitmentDomainId:u16 // zero only when no request commitment exists
resultSignatureDomainId:u16 // zero when transport/authentication is sufficient
errorProfileId: u8 // 1 = canonical BlindErrorV1 precedence/mapping
transportSupportBits: u16
} BlindErrorV1