Updated scanner to infer when it has reached the end of results.

JSMR.Application/Scanning/ScanVoiceWorksResponse.cs

@@ -2,9 +2,7 @@
 
 namespace JSMR.Application.Scanning;
 
-public sealed class ScanVoiceWorksResponse
-{
-    public int Inserted { get; init; }
-    public int Updated { get; init; }
-    public VoiceWorkUpsertResult[] Results { get; init; } = [];
-}
+public sealed record ScanVoiceWorksResponse(
+    VoiceWorkUpsertResult[] Results,
+    bool EndOfResults
+);