Use proper C# doc comments for CanSyncProject

backend/LexCore/ServiceInterfaces/IPermissionService.cs

@@ -5,9 +5,15 @@ namespace LexCore.ServiceInterfaces;
 public interface IPermissionService
 {
     ValueTask<bool> CanSyncProject(string projectCode);
-    // CanSyncProject(Guid) does NOT check permissions for org managers, because that requires async DB access
+    /// <summary>
+    /// Does NOT check permissions for org managers, because that requires async DB access.
+    /// Use CanSyncProject(projectCode) or CanSyncProjectAsync(projectId) if org manager permissions also need to be checked.
+    /// </summary>
     bool CanSyncProject(Guid projectId);
-    // CanSyncProjectAsync(Guid) does all the checks from CanSyncProject, plus allows org managers to access the org as well
+    // CanSyncProjectAsync(Guid) does
+    /// <summary>
+    /// Does all the checks from CanSyncProject, plus allows org managers to access the org as well.
+    /// </summary>
     ValueTask<bool> CanSyncProjectAsync(Guid projectId);
     ValueTask AssertCanSyncProject(string projectCode);
     ValueTask AssertCanSyncProject(Guid projectId);