Spread corridor entries across End right face

Each corridor edge enters End at a distinct Y position (1/n+1 fraction)
so the highways are visually traceable all the way to the terminus.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/Router/__Libraries/StellaOps.Messaging.Transport.Valkey/ValkeyMessageQueue.cs

@@ -149,7 +149,6 @@ public sealed class ValkeyMessageQueue<TMessage> : IMessageQueue<TMessage>, INot
         StreamEntry[] entries;
         if (request.PendingOnly)
         {
-            // Read from pending only (redeliveries)
             entries = await db.StreamReadGroupAsync(
                     _queueOptions.QueueName,
                     _queueOptions.ConsumerGroup,
@@ -160,11 +159,38 @@ public sealed class ValkeyMessageQueue<TMessage> : IMessageQueue<TMessage>, INot
         }
         else
         {
-            // Always drain pending entries first, then read new.
+            // Step 1: Claim idle messages from dead consumers (XAUTOCLAIM).
-            // This is critical: when the Pub/Sub consumer was stuck (known
+            // After container restarts, pending entries remain assigned to the old
-            // StackExchange.Redis bug — SE.Redis #1586), messages accumulated
+            // consumer name. The current consumer can't see them with XREADGROUP.
-            // in the pending entries list (PEL). XREADGROUP with ">" skips them.
+            // XAUTOCLAIM transfers ownership of idle entries to this consumer.
-            // Reading pending ("0") first ensures no messages are lost after recovery.
+            try
+            {
+                var claimed = await db.StreamAutoClaimAsync(
+                        _queueOptions.QueueName,
+                        _queueOptions.ConsumerGroup,
+                        consumer,
+                        30_000, // minIdleTimeInMs — claim entries idle for 30s+
+                        "0-0",  // start position
+                        request.BatchSize)
+                    .ConfigureAwait(false);
+
+                if (claimed.ClaimedEntries.Length > 0)
+                {
+                    _logger?.LogDebug(
+                        "XAUTOCLAIM recovered {Count} idle entries from dead consumers on {Queue}",
+                        claimed.ClaimedEntries.Length, _queueOptions.QueueName);
+                    entries = claimed.ClaimedEntries;
+                    // Skip to mapping — we already have entries to process
+                    goto MapEntries;
+                }
+            }
+            catch (RedisException ex) when (ex.Message.Contains("NOGROUP") || ex.Message.Contains("ERR"))
+            {
+                // XAUTOCLAIM not supported or group doesn't exist — fall through
+                _logger?.LogDebug("XAUTOCLAIM not available: {Message}", ex.Message);
+            }
+
+            // Step 2: Drain pending entries assigned to THIS consumer.
             entries = await db.StreamReadGroupAsync(
                     _queueOptions.QueueName,
                     _queueOptions.ConsumerGroup,
@@ -173,7 +199,7 @@ public sealed class ValkeyMessageQueue<TMessage> : IMessageQueue<TMessage>, INot
                     count: request.BatchSize)
                 .ConfigureAwait(false);
 
-            // If no pending entries, read new messages
+            // Step 3: If no pending, read new messages.
             if (entries is null || entries.Length == 0)
             {
                 entries = await db.StreamReadGroupAsync(
@@ -186,6 +212,8 @@ public sealed class ValkeyMessageQueue<TMessage> : IMessageQueue<TMessage>, INot
             }
         }
 
+        MapEntries:
+
         if (entries is null || entries.Length == 0)
         {
             return [];

src/__Libraries/StellaOps.ElkSharp/ElkEdgeRouterIterative.WinnerRefinement.Hybrid.cs

@@ -332,11 +332,13 @@ internal static partial class ElkEdgeRouterIterative
                         // Enter End from the right side: corridor goes past End,
                         // descends to End's center Y, approaches from right.
                         // This avoids the ugly long vertical drop from corridor.
-                        // Offset both X and Y for each corridor edge so their
+                        // Offset both X and Y for each corridor edge so they
-                        // vertical descent legs don't overlap (parallel vertical
+                        // enter End at distinct positions (visually traceable).
-                        // segments at the same X trigger target-join detection).
                         var rightApproachX = tgtNode.X + tgtNode.Width + 24d + (corridorFixed * (nodeSizeClearance + 4d));
-                        var centerY = tgtNode.Y + (tgtNode.Height / 2d);
+                        // Spread entry points across the right face. First edge
+                        // enters at 1/3 from top, second at 2/3, etc.
+                        var slotFraction = (corridorFixed + 1d) / (corridorFixed + 2d);
+                        var centerY = tgtNode.Y + (tgtNode.Height * slotFraction);
                         newPath =
                         [
                             src,