Add tests and implement timeline ingestion options with NATS and Redis subscribers

- Introduced `BinaryReachabilityLifterTests` to validate binary lifting functionality.
- Created `PackRunWorkerOptions` for configuring worker paths and execution persistence.
- Added `TimelineIngestionOptions` for configuring NATS and Redis ingestion transports.
- Implemented `NatsTimelineEventSubscriber` for subscribing to NATS events.
- Developed `RedisTimelineEventSubscriber` for reading from Redis Streams.
- Added `TimelineEnvelopeParser` to normalize incoming event envelopes.
- Created unit tests for `TimelineEnvelopeParser` to ensure correct field mapping.
- Implemented `TimelineAuthorizationAuditSink` for logging authorization outcomes.

src/Scanner/__Tests/StellaOps.Scanner.Reachability.Tests/RichGraphPublisherTests.cs

@@ -21,7 +21,7 @@ public class RichGraphPublisherTests
         var rich = RichGraphBuilder.FromUnion(union, "test", "1.0.0");
         var result = await publisher.PublishAsync(rich, "scan-1", cas, temp.Path);
 
-        Assert.StartsWith("blake3:", result.GraphHash);
+        Assert.StartsWith("sha256:", result.GraphHash);
         Assert.Equal(1, result.NodeCount);
     }
 }