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/go/GoClientDesign.md

@@ -27,6 +27,9 @@ clients/go/
   internal/generated/
     mxaccess_gateway.pb.go
     mxaccess_gateway_grpc.pb.go
+    galaxy_repository.pb.go
+    galaxy_repository_grpc.pb.go
+    mxaccess_worker.pb.go
   cmd/mxgw-go/
     main.go
   tests/

clients/go/README.md

@@ -140,7 +140,7 @@ pairs `Children` with `ChildHasChildren` so you know which nodes to expand. See
 request and filter semantics.
 
 ```go
-import pb "gitea.dohertylan.com/dohertj2/mxaccessgw/clients/go/internal/generated/galaxy_repository/v1"
+import pb "gitea.dohertylan.com/dohertj2/mxaccessgw/clients/go/internal/generated"
 
 reply, err := galaxy.BrowseChildren(ctx, &pb.BrowseChildrenRequest{})
 if err != nil {