Make all Microsoft Learn URLs locale-agnostic for consistency

Co-authored-by: tmlsousa <122949962+tmlsousa@users.noreply.github.com>

Author: Copilot

src/Microsoft.Agents.A365.DevTools.Cli/Commands/CreateInstanceCommand.cs

@@ -541,7 +541,7 @@ private static void LogDeprecationError(ILogger logger, string commandName)
         logger.LogError("  3. Create an agent instance through Microsoft Teams");
         logger.LogError("");
         logger.LogError("For more information, see:");
-        logger.LogError("https://learn.microsoft.com/en-us/microsoft-agent-365/onboard");
+        logger.LogError("https://learn.microsoft.com/microsoft-agent-365/onboard");
         logger.LogError("");
     }
 }

src/Microsoft.Agents.A365.DevTools.Cli/Constants/ConfigConstants.cs

@@ -26,7 +26,7 @@ public static class ConfigConstants
     /// <summary>
     /// Microsoft Learn documentation URL for Agent 365 CLI setup and usage
     /// </summary>
-    public const string Agent365CliDocumentationUrl = "https://learn.microsoft.com/en-us/microsoft-agent-365/developer/agent-365-cli";
+    public const string Agent365CliDocumentationUrl = "https://learn.microsoft.com/microsoft-agent-365/developer/agent-365-cli";
 
     /// <summary>
     /// Microsoft Learn documentation URL for custom client app registration

src/Microsoft.Agents.A365.DevTools.Cli/Services/A365CreateInstanceRunner.cs

@@ -61,7 +61,7 @@ public async Task<bool> RunAsync(
         _logger.LogError("  - Work correctly with messaging and event propagation");
         _logger.LogError("");
         _logger.LogError("Use 'a365 publish' followed by Teams-based hiring instead.");
-        _logger.LogError("See: https://learn.microsoft.com/en-us/microsoft-agent-365/onboard");
+        _logger.LogError("See: https://learn.microsoft.com/microsoft-agent-365/onboard");
         _logger.LogError("");
         return false;
 

src/Microsoft.Agents.A365.DevTools.Cli/Services/Requirements/RequirementChecks/FrontierPreviewRequirementCheck.cs

@@ -32,7 +32,7 @@ public override Task<RequirementCheckResult> CheckAsync(Agent365Config config, I
         Console.WriteLine("  - Please confirm your tenant is enrolled before continuing.");
         Console.WriteLine();
         Console.WriteLine("Documentation:");
-        Console.WriteLine("  - https://learn.microsoft.com/en-us/microsoft-agent-365/developer/");
+        Console.WriteLine("  - https://learn.microsoft.com/microsoft-agent-365/developer/");
         Console.WriteLine("  - https://adoption.microsoft.com/en-us/copilot/frontier-program/");
 
         // Return warning without using base class logging (already logged above)