Added TryGetWorkspaceId() and TryGetLiveMode()

src/FaluCli/Client/FaluCliClientHandler.cs

@@ -25,15 +25,13 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
         if (string.IsNullOrWhiteSpace(key))
         {
             // (1) Override the X-Workspace-Id header if CLI contains the option
-            var workspaceId = context.GetWorkspaceId();
-            if (!string.IsNullOrWhiteSpace(workspaceId))
+            if (context.TryGetWorkspaceId(out var workspaceId))
             {
                 request.Headers.Replace("X-Workspace-Id", workspaceId);
             }
 
             // (2) Override the X-Live-Mode header if CLI contains the option
-            var live = context.GetLiveMode();
-            if (live is not null)
+            if (context.TryGetLiveMode(out var live))
             {
                 request.Headers.Replace("X-Live-Mode", live.Value.ToString().ToLowerInvariant());
             }

src/FaluCli/Extensions/InvocationContextExtensions.cs

@@ -1,22 +1,26 @@
-namespace System.CommandLine;
+using System.Diagnostics.CodeAnalysis;
+
+namespace System.CommandLine;
 
 /// <summary>
 /// Extensions for <see cref="InvocationContext"/>
 /// </summary>
 internal static class InvocationContextExtensions
 {
-    public static bool IsVerboseEnabled(this InvocationContext context)
-    {
-        return context.ParseResult.ValueForOption<bool>("--verbose");
-    }
+    public static bool IsVerboseEnabled(this InvocationContext context) => context.ParseResult.ValueForOption<bool>("--verbose");
+    public static bool IsTelemetryDisabled(this InvocationContext context) => context.ParseResult.ValueForOption<bool>("--no-telemetry");
+    public static string? GetWorkspaceId(this InvocationContext context) => context.ParseResult.ValueForOption<string>("--workspace");
+    public static bool? GetLiveMode(this InvocationContext context) => context.ParseResult.ValueForOption<bool?>("--live");
 
-    public static string? GetWorkspaceId(this InvocationContext context)
+    public static bool TryGetWorkspaceId(this InvocationContext context, [NotNullWhen(true)] out string? workspaceId)
     {
-        return context.ParseResult.ValueForOption<string>("--workspace");
+        workspaceId = context.GetWorkspaceId();
+        return !string.IsNullOrWhiteSpace(workspaceId);
     }
 
-    public static bool? GetLiveMode(this InvocationContext context)
+    public static bool TryGetLiveMode(this InvocationContext context, [NotNullWhen(true)] out bool? liveMode)
     {
-        return context.ParseResult.ValueForOption<bool?>("--live");
+        liveMode = context.GetLiveMode();
+        return liveMode is not null;
     }
 }