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fix: resolve code-review findings (locally verified)

Browse Source 
Server-054/055/056, Contracts-020/021/022, Tests-036/038/039,
IntegrationTests-030/031/032 (+033 deferred to live rig),
Client.Dotnet-026/028/029 (+027 won't-fix), Client.Go-030..034,
Client.Python-032..036, Client.Rust-033..038.

Key fix: SessionEventDistributor orphaned a subscriber that registered after
the pump completed but before disposal (Server-056) -> register paths now
complete late registrants under _lifecycleLock; regression test added. The
racy dashboard-mirror gRPC test made deterministic (Tests-039).

Verified green locally: gateway Tests targeted classes (GatewaySession,
SessionEventDistributor, GatewayOptionsValidator, ProtobufContractRoundTrip,
GatewaySessionDashboardMirror) + dotnet/go/python/rust client suites.
This commit is contained in:
Joseph Doherty
2026-06-17 05:23:14 -04:00
parent 25d04ec37e
commit 6b5fe6aa82
37 changed files with 1049 additions and 211 deletions
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clients/python/README.md
+5 -3
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@@ -140,19 +140,21 @@ service requires the `metadata:read` scope on the API key.
### Browsing lazily
For UI trees or OPC UA bridges, use `browse_children` to walk one level at a
For UI trees or OPC UA bridges, use `browse_children_raw` to walk one level at a
time instead of loading the full hierarchy with `discover_hierarchy`. Pass an
empty request for root objects; subsequent calls set `parent_gobject_id`,
`parent_tag_name`, or `parent_contained_path`. Filter fields match
`DiscoverHierarchy`. Each response pairs `children` with `child_has_children` so
you know which nodes to expand. See
you know which nodes to expand. Most callers should prefer the higher-level
`browse()` / `LazyBrowseNode` walker below; `browse_children_raw` is the
low-level escape hatch for direct page-token control. See
[Galaxy Repository](../../docs/GalaxyRepository.md#browsechildren) for full
request and filter semantics.
```python
from zb_mom_ww_mxgateway.generated import galaxy_repository_pb2 as galaxy_pb2
reply = await galaxy.browse_children(galaxy_pb2.BrowseChildrenRequest())
reply = await galaxy.browse_children_raw(galaxy_pb2.BrowseChildrenRequest())
for child, has_children in zip(reply.children, reply.child_has_children):
print(child.tag_name, "expand=" + str(has_children))
```