docs(audit): apply per-cluster judgment fixes across living docs

Resolve audit findings: correct WorkerEnvelope proto/route/metric/session
facts; rewrite auth (ZB.MOM.WW.Auth migration), dashboard (ZB.MOM.WW.Theme),
and StyleGuide (foreign-project copy-paste); document alarm subsystem, Ldap
options, and gateway alarm broker; fix client CLI flags and package paths.

clients/dotnet/DotnetClientDesign.md

@@ -32,8 +32,6 @@ clients/dotnet/
     Commands/
   ZB.MOM.WW.MxGateway.Client.Tests/
     ZB.MOM.WW.MxGateway.Client.Tests.csproj
-  ZB.MOM.WW.MxGateway.Client.IntegrationTests/
-    ZB.MOM.WW.MxGateway.Client.IntegrationTests.csproj
 ```
 
 Target framework:
@@ -52,7 +50,6 @@ Expected packages:
 
 - `Grpc.Net.Client`
 - `Google.Protobuf`
-- `Grpc.Tools` for generation
 - `Microsoft.Extensions.Logging.Abstractions`
 - `System.CommandLine` or similar for CLI
 - test framework: xUnit or NUnit