Working on tenants and config

TestPostgresLISTEN/Program.cs

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+using Npgsql;
+using System;
+using System.Threading.Tasks;
+
+class Program
+{
+	static async Task Main(string[] args)
+	{
+		// Tilpas connection string til dine behov
+		var connectionString = "Host=192.168.1.57;Database=ptdb01;Username=postgres;Password=3911";
+
+		try
+		{
+			await using NpgsqlConnection conn = new NpgsqlConnection(connectionString);
+			await conn.OpenAsync();
+
+			Console.WriteLine("Forbundet til databasen. Lytter efter notifikationer...");
+
+			// Opsæt notification handling
+			conn.Notification += (o, e) =>
+			{
+				Console.WriteLine($"Notifikation modtaget:");
+				Console.WriteLine($"  PID: {e.PID}");
+				Console.WriteLine($"  Kanal: {e.Channel}");
+				Console.WriteLine($"  Payload: {e.Payload}");
+				Console.WriteLine("------------------------");
+			};
+
+			// Start lytning
+			await using (var cmd = new NpgsqlCommand("LISTEN config_changes;", conn))
+			{
+				await cmd.ExecuteNonQueryAsync();
+			}
+
+			// Hold programmet kørende og lyt efter notifikationer
+			Console.WriteLine("Tryk på en tast for at stoppe...");
+
+			// Mens vi venter på input, skal vi huske at wait for notifikationer
+			while (!Console.KeyAvailable)
+			{
+				// Wait for notification for 1 second, then continue loop
+				await conn.WaitAsync();
+			}
+		}
+		catch (Exception ex)
+		{
+			Console.WriteLine($"Der opstod en fejl: {ex.Message}");
+			Console.WriteLine($"Stack trace: {ex.StackTrace}");
+		}
+	}
+}

TestPostgresLISTEN/TestPostgresLISTEN.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Core\Core.csproj" />
+  </ItemGroup>
+
+</Project>