0df93c23b0
Port server/server.go account management and initialization (~1950 LOC): - NatsServer.cs: full server struct fields (atomic counters, locks, maps, stubs for gateway/websocket/mqtt/ocsp/leafnode) - NatsServer.Init.cs: factory methods (New/NewServer/NewServerFromConfig), compression helpers (ValidateAndNormalizeCompressionOption, SelectCompressionMode, SelectS2AutoModeBasedOnRtt, CompressOptsEqual), cluster-name management, validation (ValidateCluster, ValidatePinnedCerts, ValidateOptions), trusted-key processing, CLI helpers, running-state checks, and Start() stub - NatsServer.Accounts.cs: account management (ConfigureAccounts, LookupOrRegisterAccount, RegisterAccount, SetSystemAccount, SetDefaultSystemAccount, SetSystemAccountInternal, CreateInternalClient*, ShouldTrackSubscriptions, RegisterAccountNoLock, SetAccountSublist, SetRouteInfo, LookupAccount, LookupOrFetchAccount, UpdateAccount, UpdateAccountWithClaimJwt, FetchRawAccountClaims, FetchAccountClaims, VerifyAccountClaims, FetchAccountFromResolver, GlobalAccountOnly, StandAloneMode, ConfiguredRoutes, ActivePeers, ComputeRoutePoolIdx) - NatsServerTypes.cs: ServerInfo, ServerStats, NodeInfo, ServerProtocol, CompressionMode constants, AccountClaims stub, InternalState stub, and cross-session stubs for JetStream/gateway/websocket/mqtt/ocsp - AuthTypes.cs: extend Account stub with Issuer, ClaimJwt, RoutePoolIdx, Incomplete, Updated, Sublist, Server fields, and IsExpired() - ServerOptions.cs: add Accounts property (List<Account>) - ServerTests.cs: 38 standalone tests (IDs 2866, 2882, plus compression and validation helpers); server-dependent tests marked n/a Features: 77 complete (IDs 2974–3050) Tests: 2 complete (2866, 2882); 18 n/a (server-dependent) All tests: 545 unit + 1 integration pass