feat(api): add account workspaces and signed content events

server/tests/WebDrop.Api.Tests/ChannelAccessContractTests.cs

@@ -0,0 +1,14 @@
+using System.Text.Json;
+using WebDrop.Api;
+
+namespace WebDrop.Api.Tests;
+
+public sealed class ChannelAccessContractTests
+{
+    [Fact]
+    public void GeneratedJsonDefaultsDomainEnvelopesForUnencryptedInvitations()
+    {
+        var request = JsonSerializer.Deserialize("""{"username":"member","payload":"opaque-grant"}""", ApiJson.Default.InvitationRequest)!;
+        Assert.Null(request.DomainEnvelopes);
+    }
+}