feat: port session 08 — Client Connection & PROXY Protocol
- ClientConnection: full connection lifecycle, string/identity helpers,
SplitSubjectQueue, KindString, MsgParts, SetHeader, message header
manipulation (GenHeader, RemoveHeader, SliceHeader, GetHeader)
- ClientTypes: ClientConnectionType, ClientProtocol, ClientFlags,
ReadCacheFlags, ClosedState, PmrFlags, DenyType, ClientOptions,
ClientInfo, NbPool, RouteTarget, ClientKindHelpers
- NatsMessageHeaders: complete header utility class (GenHeader,
RemoveHeaderIfPrefixPresent, RemoveHeaderIfPresent, SliceHeader,
GetHeader, SetHeader, GetHeaderKeyIndex)
- ProxyProtocol: PROXY protocol v1/v2 parser (ReadV1Header,
ParseV2Header, ReadProxyProtoHeader sync entry point)
- ServerErrors: add ErrAuthorization sentinel
- Tests: 32 standalone unit tests (proxy protocol: IDs 159-168,
171-178, 180-181; client: IDs 200-201, 247-256)
- DB: 195 features → complete (387-581); 32 tests → complete;
81 server-dependent tests → n/a
Features: 667 complete, 274 unit tests complete (17.2% overall)
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