fix(triggers): seed the trigger-expression attribute snapshot at actor startup

src/ScadaLink.SiteRuntime/Actors/ScriptActor.cs

@@ -60,6 +60,7 @@ public class ScriptActor : ReceiveActor, IWithTimers
         SiteRuntimeOptions options,
         ILogger logger,
         Script<object?>? compiledTriggerExpression = null,
+        IReadOnlyDictionary<string, object?>? initialAttributes = null,
         ISiteHealthCollector? healthCollector = null,
         IServiceProvider? serviceProvider = null)
     {
@@ -76,6 +77,15 @@ public class ScriptActor : ReceiveActor, IWithTimers
         _scope = scriptConfig.Scope;
         _compiledTriggerExpression = compiledTriggerExpression;
 
+        // Seed the trigger-expression attribute snapshot from the instance's
+        // initial attribute set so static attributes (which never re-emit an
+        // AttributeValueChanged after deploy) evaluate correctly at startup.
+        if (initialAttributes != null)
+        {
+            foreach (var kvp in initialAttributes)
+                _attributeSnapshot[kvp.Key] = kvp.Value;
+        }
+
         // Parse trigger configuration
         _triggerConfig = ParseTriggerConfig(scriptConfig.TriggerType, scriptConfig.TriggerConfiguration);