feat(logging): add EngineLogging.CreateConsole helper

src/TeamsISO.Engine/Logging/EngineLogging.cs

@@ -0,0 +1,34 @@
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Serilog.Extensions.Logging;
+
+namespace TeamsISO.Engine.Logging;
+
+/// <summary>
+/// Convenience factory for an <see cref="ILoggerFactory"/> wired to Serilog's console sink.
+/// Phase A wires console-only; Phase C will add the rolling-file sink under %APPDATA%\TeamsISO\logs\.
+/// </summary>
+public static class EngineLogging
+{
+    public static ILoggerFactory CreateConsole(LogLevel minimum = LogLevel.Information)
+    {
+        var serilog = new LoggerConfiguration()
+            .MinimumLevel.Is(MapLevel(minimum))
+            .Enrich.WithProperty("Component", "TeamsISO.Engine")
+            .WriteTo.Console(outputTemplate:
+                "[{Timestamp:HH:mm:ss} {Level:u3}] [{Component}] {Message:lj}{NewLine}{Exception}")
+            .CreateLogger();
+        return new SerilogLoggerFactory(serilog, dispose: true);
+    }
+
+    private static Serilog.Events.LogEventLevel MapLevel(LogLevel level) => level switch
+    {
+        LogLevel.Trace => Serilog.Events.LogEventLevel.Verbose,
+        LogLevel.Debug => Serilog.Events.LogEventLevel.Debug,
+        LogLevel.Information => Serilog.Events.LogEventLevel.Information,
+        LogLevel.Warning => Serilog.Events.LogEventLevel.Warning,
+        LogLevel.Error => Serilog.Events.LogEventLevel.Error,
+        LogLevel.Critical => Serilog.Events.LogEventLevel.Fatal,
+        _ => Serilog.Events.LogEventLevel.Information
+    };
+}

src/TeamsISO.Engine/TeamsISO.Engine.csproj

@@ -8,6 +8,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
+    <PackageReference Include="Serilog" Version="4.0.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="System.Reactive" Version="6.0.0" />
   </ItemGroup>