Joseph Doherty
5e2e40a927
Behavior-preserving allocation cuts on the per-event/per-command path: - GWC-06: StreamEvents send-timing uses Stopwatch.GetTimestamp() + GetElapsedTime() instead of a per-event Stopwatch allocation (same measured span). - GWC-07/IPC-05 (event): MapEvent transfers ownership of the inner MxEvent instead of .Clone()-ing it. Safe: WorkerEvent is parsed fresh per pipe frame with the distributor pump as its single consumer (GWC-01), MapEvent runs once before fan-out, and every downstream consumer (subscribers, replay ring) only READS the event (WorkerSequence is stamped upstream; verified no post-mapping mutation). Comment documents the invariant + restore-clone caveat if a second consumer is added. - IPC-05 (command): CreateCommandEnvelope no longer re-clones; MapCommand already isolated the graph from the caller-owned gRPC message. - GWC-15: grpc_stream_queue.depth converts from a per-event push counter to an ObservableGauge summing registered channel sources at scrape time only (name/semantics unchanged); removes all per-event .Count/lock work. Kept every load-bearing isolation clone (MapCommand, Invoke, bulk filters, MapCommandReply). Server build clean (0 warnings); EventStream/Metrics/ Distributor/Mapper tests 62/62 (incl. formerly-flaky queue-depth tests, now green under the lazy gauge, + 2 new MapEvent ownership tests). Docs: Metrics.md, Grpc.md. Claude-Session: https://claude.ai/code/session_01DMXXvNuPekkkrTEyPNxEkW