perf(deploy): flatten-session caching, bulk DeploySiteAsync, paged management queries

tests/ZB.MOM.WW.ScadaBridge.CLI.Tests/CommandTreeTests.cs

@@ -141,6 +141,22 @@ public class CommandTreeTests
         Assert.Contains("remove", subNames);
     }
 
+    [Fact]
+    public void Deploy_HasSiteVerb_WithRequiredSiteId()
+    {
+        // WP2.5: bulk site deploy. Named `deploy site` to sit alongside
+        // `deploy instance` / `deploy artifacts` — the group's convention is that
+        // the verb names the SCOPE of the deploy.
+        var deploy = DeployCommands.Build(Url, Format, Username, Password);
+        var site = deploy.Subcommands.Single(c => c.Name == "site");
+
+        // --site-id is REQUIRED here, unlike `deploy artifacts` where omitting it
+        // means fleet-wide. A bulk instance deploy must never be accidentally
+        // fleet-wide.
+        Assert.NotEmpty(site.Parse([]).Errors);
+        Assert.Empty(site.Parse(["--site-id", "3"]).Errors);
+    }
+
     [Fact]
     public void InstanceNativeAlarmSource_HasSetAndClear()
     {
@@ -323,6 +339,7 @@ public class CommandTreeTests
     [InlineData(typeof(SetInstanceOverridesCommand))]
     [InlineData(typeof(DebugSnapshotCommand))]
     [InlineData(typeof(MgmtDeployInstanceCommand))]
+    [InlineData(typeof(MgmtDeploySiteCommand))]
     [InlineData(typeof(QueryAuditLogCommand))]
     [InlineData(typeof(ExportBundleCommand))]
     [InlineData(typeof(PreviewBundleCommand))]