private void SetUpRoutes()

in src/tooling/docs-builder/Http/DocumentationWebHost.cs [82:152]
68 lines of code
5 McCabe index (conditional complexity)

	private void SetUpRoutes()
	{
		_ = _webApplication
			.UseExceptionHandler(options =>
			{
				options.Run(async context =>
				{
					try
					{
						var exception = context.Features.Get<Microsoft.AspNetCore.Diagnostics.IExceptionHandlerFeature>();
						if (exception != null)
						{
							var logger = context.RequestServices.GetRequiredService<ILogger<DocumentationWebHost>>();
							logger.LogError(
								exception.Error,
								"Unhandled exception processing request {Path}. Error: {Error}\nStack Trace: {StackTrace}\nInner Exception: {InnerException}",
								context.Request.Path,
								exception.Error.Message,
								exception.Error.StackTrace,
								exception.Error.InnerException?.ToString() ?? "None"
							);
							logger.LogError(
								"Request Details - Method: {Method}, Path: {Path}, QueryString: {QueryString}",
								context.Request.Method,
								context.Request.Path,
								context.Request.QueryString
							);

							context.Response.StatusCode = 500;
							context.Response.ContentType = "text/html";
							await context.Response.WriteAsync(@"
								<html>
									<head><title>Error</title></head>
									<body>
										<h1>Internal Server Error</h1>
										<p>An error occurred while processing your request.</p>
										<p>Please check the application logs for more details.</p>
									</body>
								</html>");
						}
					}
					catch (Exception handlerEx)
					{
						var logger = context.RequestServices.GetRequiredService<ILogger<DocumentationWebHost>>();
						logger.LogCritical(
							handlerEx,
							"Error handler failed to process exception. Handler Error: {Error}\nStack Trace: {StackTrace}",
							handlerEx.Message,
							handlerEx.StackTrace
						);
						context.Response.StatusCode = 500;
						context.Response.ContentType = "text/plain";
						await context.Response.WriteAsync("A critical error occurred.");
					}
				});
			})
			.UseLiveReload()
			.UseStaticFiles(
				new StaticFileOptions
				{
					FileProvider = new EmbeddedOrPhysicalFileProvider(_context),
					RequestPath = "/_static"
				})
			.UseRouting();

		_ = _webApplication.MapGet("/", (ReloadableGeneratorState holder, Cancel ctx) =>
			ServeDocumentationFile(holder, "index.md", ctx));

		_ = _webApplication.MapGet("{**slug}", (string slug, ReloadableGeneratorState holder, Cancel ctx) =>
			ServeDocumentationFile(holder, slug, ctx));
	}