.NET Workflow - Declarative State Consolidation (#759)

* Checkpoint

* Update workflows/DeepResearch.yaml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Comment

* Fix comment

* Update package version

* Fix nuget haxx

* Checkpoint

* Code complete

* Testing

* Message content workaround

* Add sequential flow

* Checkpoint

* Integration test project

* Checkpoint

* Checkpoint cleanup

* Complete

* Checkpoint

* Fix tests

* Comment cleanup

* Namespace

* Formatting

* Analyzer updates

* Workflow update

* Fixed!

* Update dotnet/tests/Microsoft.Agents.Workflows.Declarative.UnitTests/DeclarativeWorkflowTest.cs

Co-authored-by: Tao Chen <taochen@microsoft.com>

* Fix build error

* Purge "immutable" set and dictionary

* Fix as task

* Collection expression

* Another

* Frozen => Readonly (perf)

* Fix

* Namespace

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Tao Chen <taochen@microsoft.com>

workflows/HumanInLoop.yaml

@@ -29,16 +29,29 @@ beginDialog:
       entity:
         kind: StringPrebuiltEntity
 
-    # Respond with input
-    - kind: SendActivity
-      id: sendActivity_input
-      activity: |-
-        You entered:
-        {Topic.OriginalInput}
+    - kind: ConditionGroup
+      id: check_completion
+      conditions:
 
-        Confirmed input:
-        {Topic.ConfirmedInput}
+        - condition: =Topic.OriginalInput <> Topic.ConfirmedInput
+          id: check_confirm
+          actions:
 
+            - kind: SendActivity
+              id: sendActivity_mismatch
+              activity: |-
+                "{Topic.ConfirmedInput}" does not match the original input of "{Topic.OriginalInput}". Please try again.
 
+            - kind: GotoAction
+              id: goto_again
+              actionId: question_confirm
 
+      elseActions: # // %%% REMOVE / BUG
+        - kind: SendActivity
+          id: sendActivity_confirmed
+          activity: |-
+            You entered:
+            {Topic.OriginalInput}
 
+            Confirmed input:
+            {Topic.ConfirmedInput}