natsdotnet/docs/plans/2026-02-23-jetstream-remaining-parity-map.md

JetStream Remaining Parity Map

Go Subject	.NET Route	Status	Test
$JS.API.INFO	AccountApiHandlers.HandleInfo	ported	JetStreamAccountInfoApiTests.Account_info_returns_jetstream_limits_and_usage_shape
$JS.API.SERVER.REMOVE	AccountControlApiHandlers.HandleServerRemove	ported	JetStreamAccountControlApiTests.Account_and_server_control_subjects_are_routable
$JS.API.ACCOUNT.PURGE.*	AccountControlApiHandlers.HandleAccountPurge	ported	JetStreamAccountControlApiTests.Account_and_server_control_subjects_are_routable
$JS.API.ACCOUNT.STREAM.MOVE.*	AccountControlApiHandlers.HandleAccountStreamMove	ported	JetStreamAccountControlApiTests.Account_and_server_control_subjects_are_routable
$JS.API.ACCOUNT.STREAM.MOVE.CANCEL.*	AccountControlApiHandlers.HandleAccountStreamMoveCancel	ported	JetStreamAccountControlApiTests.Account_and_server_control_subjects_are_routable
$JS.API.STREAM.CREATE.*	StreamApiHandlers.HandleCreate	ported	JetStreamStreamLifecycleApiTests.Stream_create_info_and_update_roundtrip
$JS.API.STREAM.INFO.*	StreamApiHandlers.HandleInfo	ported	JetStreamStreamLifecycleApiTests.Stream_create_info_and_update_roundtrip
$JS.API.STREAM.UPDATE.*	StreamApiHandlers.HandleUpdate	ported	JetStreamStreamLifecycleApiTests.Stream_update_and_delete_roundtrip
$JS.API.STREAM.DELETE.*	StreamApiHandlers.HandleDelete	ported	JetStreamStreamLifecycleApiTests.Stream_update_and_delete_roundtrip
$JS.API.STREAM.NAMES	StreamApiHandlers.HandleNames	ported	JetStreamStreamListApiTests.Stream_names_and_list_return_created_streams
$JS.API.STREAM.LIST	StreamApiHandlers.HandleList	ported	JetStreamStreamListApiTests.Stream_names_and_list_return_created_streams
$JS.API.STREAM.PEER.REMOVE.*	ClusterControlApiHandlers.HandleStreamPeerRemove	ported	JetStreamClusterControlExtendedApiTests.Peer_remove_and_consumer_stepdown_subjects_return_success_shape
$JS.API.STREAM.MSG.GET.*	StreamApiHandlers.HandleMessageGet	ported	JetStreamStreamMessageApiTests.Stream_msg_get_delete_and_purge_change_state
$JS.API.STREAM.MSG.DELETE.*	StreamApiHandlers.HandleMessageDelete	ported	JetStreamStreamMessageApiTests.Stream_msg_get_delete_and_purge_change_state
$JS.API.STREAM.PURGE.*	StreamApiHandlers.HandlePurge	ported	JetStreamStreamMessageApiTests.Stream_msg_get_delete_and_purge_change_state
$JS.API.DIRECT.GET.*	DirectApiHandlers.HandleGet	ported	JetStreamDirectGetApiTests.Direct_get_returns_message_without_stream_info_wrapper
$JS.API.STREAM.SNAPSHOT.*	StreamApiHandlers.HandleSnapshot	ported	JetStreamSnapshotRestoreApiTests.Snapshot_then_restore_reconstructs_messages
$JS.API.STREAM.RESTORE.*	StreamApiHandlers.HandleRestore	ported	JetStreamSnapshotRestoreApiTests.Snapshot_then_restore_reconstructs_messages
$JS.API.CONSUMER.CREATE..	ConsumerApiHandlers.HandleCreate	ported	JetStreamConsumerApiTests.Consumer_create_and_info_roundtrip
$JS.API.CONSUMER.INFO..	ConsumerApiHandlers.HandleInfo	ported	JetStreamConsumerApiTests.Consumer_create_and_info_roundtrip
$JS.API.CONSUMER.NAMES.*	ConsumerApiHandlers.HandleNames	ported	JetStreamConsumerListApiTests.Consumer_names_list_and_delete_are_supported
$JS.API.CONSUMER.LIST.*	ConsumerApiHandlers.HandleList	ported	JetStreamConsumerListApiTests.Consumer_names_list_and_delete_are_supported
$JS.API.CONSUMER.DELETE..	ConsumerApiHandlers.HandleDelete	ported	JetStreamConsumerListApiTests.Consumer_names_list_and_delete_are_supported
$JS.API.CONSUMER.PAUSE..	ConsumerApiHandlers.HandlePause	ported	JetStreamConsumerControlApiTests.Consumer_pause_reset_unpin_mutate_state
$JS.API.CONSUMER.RESET..	ConsumerApiHandlers.HandleReset	ported	JetStreamConsumerControlApiTests.Consumer_pause_reset_unpin_mutate_state
$JS.API.CONSUMER.UNPIN..	ConsumerApiHandlers.HandleUnpin	ported	JetStreamConsumerControlApiTests.Consumer_pause_reset_unpin_mutate_state
$JS.API.CONSUMER.MSG.NEXT..	ConsumerApiHandlers.HandleNext	ported	JetStreamConsumerNextApiTests.Consumer_msg_next_respects_batch_request
$JS.API.CONSUMER.LEADER.STEPDOWN..	ClusterControlApiHandlers.HandleConsumerLeaderStepdown	ported	JetStreamClusterControlExtendedApiTests.Peer_remove_and_consumer_stepdown_subjects_return_success_shape
$JS.API.STREAM.LEADER.STEPDOWN.*	ClusterControlApiHandlers.HandleStreamLeaderStepdown	ported	JetStreamClusterControlApiTests.Stream_leader_stepdown_and_meta_stepdown_endpoints_return_success_shape
$JS.API.META.LEADER.STEPDOWN	ClusterControlApiHandlers.HandleMetaLeaderStepdown	ported	JetStreamClusterControlApiTests.Stream_leader_stepdown_and_meta_stepdown_endpoints_return_success_shape

Post-Baseline Parity Closures (2026-02-23)

Scope	Status	Test Evidence
Inter-server account-scoped interest protocol (A+/A-)	ported	InterServerAccountProtocolTests.Aplus_Aminus_frames_include_account_scope_and_do_not_leak_interest_across_accounts
Gateway reply remap (_GR_.)	ported	GatewayAdvancedSemanticsTests.Gateway_forwarding_remaps_reply_subject_with_gr_prefix_and_restores_on_return
Leaf loop marker/account mapping ($LDS. + LS account scope)	ported	LeafAdvancedSemanticsTests.Leaf_loop_marker_blocks_reinjected_message_and_account_mapping_routes_to_expected_account
JetStream internal client lifecycle	ported	JetStreamInternalClientTests.JetStream_enabled_server_creates_internal_jetstream_client_and_keeps_it_account_scoped
Stream runtime policy parity (max_msg_size, max_age_ms, max_msgs_per)	ported	JetStreamStreamPolicyParityTests.Stream_rejects_oversize_message_and_prunes_by_max_age_and_per_subject_limits
Stream behavior parity (dedupe window + sealed/delete/purge guards)	ported	JetStreamStreamConfigBehaviorTests.Stream_honors_dedup_window_and_sealed_delete_purge_guards
Consumer deliver/backoff/flow-control parity	ported	JetStreamConsumerDeliverPolicyParityTests.*, JetStreamConsumerBackoffParityTests.*, JetStreamConsumerFlowControlParityTests.*
Mirror/source advanced parity	ported	JetStreamMirrorSourceParityTests.Source_subject_transform_and_cross_account_mapping_copy_expected_messages_only
FileStore block + expiry parity	ported	JetStreamFileStoreBlockParityTests.*, JetStreamStoreExpiryParityTests.*
RAFT advanced consensus/snapshot/membership hooks	ported	RaftConsensusAdvancedParityTests.*, RaftSnapshotTransferParityTests.*, RaftMembershipParityTests.*
JetStream cluster governance + cross-cluster gateway path hooks	ported	JetStreamClusterGovernanceParityTests.*, JetStreamCrossClusterGatewayParityTests.*