diff --git a/bruno/neon-sprawl-server/craft/Post craft gather refine make spine.bru b/bruno/neon-sprawl-server/craft/Post craft gather refine make spine.bru
index 4fe7cf6..c42d955 100644
--- a/bruno/neon-sprawl-server/craft/Post craft gather refine make spine.bru	
+++ b/bruno/neon-sprawl-server/craft/Post craft gather refine make spine.bru	
@@ -5,7 +5,7 @@ meta {
 }
 
 docs {
-  NEO-70 prototype spine: accumulate >=11 scrap_metal_bulk (gather when nodes allow, reuse persisted inventory after dotnet test), refine_scrap_efficient when refined_plate_stock < 2, then make_field_stim_mk0. NEO-118: best-effort quest objective wiring on craft success (active craft_recipe quests). No inventory POST shortcuts for spine materials.
+  NEO-70 prototype spine: accumulate >=11 scrap_metal_bulk (gather when nodes allow, reuse persisted inventory after dotnet test), refine_scrap_efficient when refined_plate_stock < 2, then make_field_stim_mk0. NEO-118: best-effort quest objective wiring on craft success (active craft_recipe quests). Deny envelopes return empty inputsConsumed/outputsGranted arrays. No inventory POST shortcuts for spine materials.
 }
 
 script:pre-request {
diff --git a/server/NeonSprawl.Server.Tests/Game/Crafting/PlayerCraftApiTests.cs b/server/NeonSprawl.Server.Tests/Game/Crafting/PlayerCraftApiTests.cs
index 5838719..3488291 100644
--- a/server/NeonSprawl.Server.Tests/Game/Crafting/PlayerCraftApiTests.cs
+++ b/server/NeonSprawl.Server.Tests/Game/Crafting/PlayerCraftApiTests.cs
@@ -266,6 +266,28 @@ public sealed class PlayerCraftApiTests
         Assert.Equal(HttpStatusCode.NotFound, response.StatusCode);
     }
 
+    [Fact]
+    public void MapResponse_ShouldReturnEmptyIoArrays_WhenCraftDenied()
+    {
+        // Arrange
+        var result = new CraftResult(
+            Success: false,
+            ReasonCode: CraftReasonCodes.UnknownRecipe,
+            InputsConsumed: [],
+            OutputsGranted: [],
+            XpGrantSummary: null);
+
+        // Act
+        var response = PlayerCraftApi.MapResponse(result);
+
+        // Assert
+        Assert.False(response.Success);
+        Assert.Equal(CraftReasonCodes.UnknownRecipe, response.ReasonCode);
+        Assert.Empty(response.InputsConsumed);
+        Assert.Empty(response.OutputsGranted);
+        Assert.Null(response.XpGrantSummary);
+    }
+
     private static void SeedStack(InMemoryWebApplicationFactory factory, string itemId, int quantity)
     {
         var itemRegistry = factory.Services.GetRequiredService<IItemDefinitionRegistry>();
diff --git a/server/NeonSprawl.Server/Game/Crafting/CraftResult.cs b/server/NeonSprawl.Server/Game/Crafting/CraftResult.cs
index fe69884..720756c 100644
--- a/server/NeonSprawl.Server/Game/Crafting/CraftResult.cs
+++ b/server/NeonSprawl.Server/Game/Crafting/CraftResult.cs
@@ -4,12 +4,12 @@ namespace NeonSprawl.Server.Game.Crafting;
 /// Server-internal craft resolution envelope (NEO-69); promoted to wire JSON via <see cref="CraftResponse"/> (NEO-70).
 /// NEO-71 telemetry hook sites live in <see cref="CraftOperations.TryCraft"/> (success path + centralized <c>Deny</c> helper).
 /// </summary>
-/// <param name="InputsConsumed">Scaled inputs removed on success; empty when denied.</param>
-/// <param name="OutputsGranted">Scaled outputs added on success; empty when denied.</param>
-/// <param name="XpGrantSummary">Refine skill XP applied on success; null when denied.</param>
 public readonly record struct CraftResult(
     bool Success,
     string? ReasonCode,
+    /// <summary>Scaled inputs removed on success; empty when denied.</summary>
     IReadOnlyList<CraftIoApplied> InputsConsumed,
+    /// <summary>Scaled outputs added on success; empty when denied.</summary>
     IReadOnlyList<CraftIoApplied> OutputsGranted,
+    /// <summary>Refine skill XP applied on success; null when denied.</summary>
     CraftXpGrantSummary? XpGrantSummary);
diff --git a/server/NeonSprawl.Server/Game/Crafting/PlayerCraftApi.cs b/server/NeonSprawl.Server/Game/Crafting/PlayerCraftApi.cs
index a7ce75a..009e9b5 100644
--- a/server/NeonSprawl.Server/Game/Crafting/PlayerCraftApi.cs
+++ b/server/NeonSprawl.Server/Game/Crafting/PlayerCraftApi.cs
@@ -96,11 +96,11 @@ public static class PlayerCraftApi
         };
     }
 
-    private static IReadOnlyList<CraftIoAppliedJson> MapIoRows(IReadOnlyList<CraftIoApplied> rows)
+    private static CraftIoAppliedJson[] MapIoRows(IReadOnlyList<CraftIoApplied> rows)
     {
         if (rows.Count == 0)
         {
-            return Array.Empty<CraftIoAppliedJson>();
+            return [];
         }
 
         var mapped = new CraftIoAppliedJson[rows.Count];
diff --git a/server/NeonSprawl.Server/Game/Encounters/EncounterCombatWiring.cs b/server/NeonSprawl.Server/Game/Encounters/EncounterCombatWiring.cs
index 7f4c3df..b173c07 100644
--- a/server/NeonSprawl.Server/Game/Encounters/EncounterCombatWiring.cs
+++ b/server/NeonSprawl.Server/Game/Encounters/EncounterCombatWiring.cs
@@ -116,7 +116,7 @@ public static class EncounterCombatWiring
 
         if (!completion.Success)
         {
-            if (logger?.IsEnabled(LogLevel.Debug) == true)
+            if (logger?.IsEnabled(LogLevel.Debug) is true)
             {
                 logger.LogDebug(
                     "Encounter completion grant skipped for player {PlayerId} encounter {EncounterId} ({ReasonCode})",