open telemtry fix

Author: KSemenenko

AGENTS.md

@@ -186,6 +186,11 @@ If no new rule is detected -> do not update the file.
 - Never use `ConfigureAwait(false)`
 - No magic literals - extract to constants, enums, config
 
+### Diagnostics
+
+- Use simple metrics counters; avoid concurrent collections or per-hub observable gauges unless explicitly requested
+- Do not use string literals for metrics names, targets, or reasons; define and reuse constants
+
 ### Comments
 
 - When offloading SignalR observer sends with Task.Run, add a critical comment explaining it must not run on the Orleans scheduler to avoid blocking

Directory.Build.props

@@ -26,8 +26,8 @@
         <RepositoryUrl>https://github.com/managedcode/Orleans.SignalR</RepositoryUrl>
         <PackageProjectUrl>https://github.com/managedcode/Orleans.SignalR</PackageProjectUrl>
         <Product>Managed Code - Orleans SignalR</Product>
-        <Version>10.0.3</Version>
-        <PackageVersion>10.0.3</PackageVersion>
+        <Version>10.0.4</Version>
+        <PackageVersion>10.0.4</PackageVersion>
 
     </PropertyGroup>
     <PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">