feat: expand cockpit integrations and support workflows

Add Phoenix remote desktop, action connector, documentation engine, and gamification support. Refactor support-case processing and search/action UI, and update installer assets and dependencies.

F4SD-ActionConnector/Events/TriggerEventArgs.cs

@@ -0,0 +1,15 @@
+using System;
+using F4SD.ActionConnector.Payloads;
+
+namespace F4SD.ActionConnector.Events
+{
+    public sealed class TriggerEventArgs<TPayload> : EventArgs where TPayload : PayloadBase
+    {
+        public TPayload Payload { get; }
+
+        public TriggerEventArgs(TPayload payload)
+        {
+            Payload = payload;
+        }
+    }
+}