feat: Implement approvals workflow and notifications integration

- Added approvals orchestration with persistence and workflow scaffolding.
- Integrated notifications insights and staged resume hooks.
- Introduced approval coordinator and policy notification bridge with unit tests.
- Added approval decision API with resume requeue and persisted plan snapshots.
- Documented the Excitor consensus API beta and provided JSON sample payload.
- Created analyzers to flag usage of deprecated merge service APIs.
- Implemented logging for artifact uploads and approval decision service.
- Added tests for PackRunApprovalDecisionService and related components.

src/Cli/StellaOps.Cli/Commands/CommandFactory.cs

@@ -730,10 +730,11 @@ internal static class CommandFactory
         };
         activate.Add(activatePolicyIdArgument);
 
-        var activateVersionOption = new Option<int>("--version")
-        {
-            Description = "Revision version to activate."
-        };
+        var activateVersionOption = new Option<int>("--version")
+        {
+            Description = "Revision version to activate.",
+            IsRequired = true
+        };
 
         var activationNoteOption = new Option<string?>("--note")
         {