diff --git a/SVSim.UnitTests/Controllers/GiftControllerTests.cs b/SVSim.UnitTests/Controllers/GiftControllerTests.cs
index 5f29068..af953eb 100644
--- a/SVSim.UnitTests/Controllers/GiftControllerTests.cs
+++ b/SVSim.UnitTests/Controllers/GiftControllerTests.cs
@@ -379,4 +379,154 @@ public class GiftControllerTests
                 { "71478626", "71478627", "71478628", "71478629", "71478630" }));
         }
     }
+
+    [Test]
+    public async Task GiftReceive_with_card_reward_grants_card_via_inventory_service()
+    {
+        using var factory = new SVSimTestFactory();
+        await factory.SeedGlobalsAsync();
+        long viewerId = await factory.SeedViewerAsync(tutorialState: 100);
+        long cardId = await factory.SeedCardAsync();
+
+        // Seed a single non-tutorial Card present.
+        using (var seedScope = factory.Services.CreateScope())
+        {
+            var ctx = seedScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            ctx.ViewerPresents.Add(new ViewerPresent
+            {
+                ViewerId = viewerId,
+                PresentId = "card-gift-001",
+                Status = PresentStatus.Unclaimed,
+                RewardType = 5,                // UserGoodsType.Card
+                RewardDetailId = cardId,
+                RewardCount = 1,
+                Message = "Test card grant",
+                CreatedAt = DateTime.UtcNow,
+                Source = "test",
+            });
+            await ctx.SaveChangesAsync();
+        }
+
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var json = $$"""{"present_id_array":["card-gift-001"],"state":1,{{BaseAuthBlock}}}""";
+        var response = await client.PostAsync("/gift/receive_gift",
+            new StringContent(json, Encoding.UTF8, "application/json"));
+        var bodyStr = await response.Content.ReadAsStringAsync();
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK), bodyStr);
+
+        // Verify the card landed in the viewer's collection.
+        using var verifyScope = factory.Services.CreateScope();
+        var ctx2 = verifyScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        var owned = await ctx2.Viewers.AsNoTracking()
+            .Include(v => v.Cards).ThenInclude(c => c.Card)
+            .FirstAsync(v => v.Id == viewerId);
+        Assert.That(owned.Cards.Any(c => c.Card.Id == cardId && c.Count > 0), Is.True,
+            "Card reward_type=5 must round-trip through the gift mapper and InventoryService.GrantAsync.");
+    }
+
+    [Test]
+    public async Task GiftReceive_with_sleeve_reward_grants_sleeve_via_inventory_service()
+    {
+        using var factory = new SVSimTestFactory();
+        await factory.SeedGlobalsAsync();
+        long viewerId = await factory.SeedViewerAsync(tutorialState: 100);
+
+        const int sleeveId = 700100;
+        using (var seedScope = factory.Services.CreateScope())
+        {
+            var ctx = seedScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            ctx.Sleeves.Add(new SleeveEntry { Id = sleeveId });
+            await ctx.SaveChangesAsync();
+
+            ctx.ViewerPresents.Add(new ViewerPresent
+            {
+                ViewerId = viewerId,
+                PresentId = "sleeve-gift-001",
+                Status = PresentStatus.Unclaimed,
+                RewardType = 6,                // UserGoodsType.Sleeve
+                RewardDetailId = sleeveId,
+                RewardCount = 1,
+                Message = "Test sleeve grant",
+                CreatedAt = DateTime.UtcNow,
+                Source = "test",
+            });
+            await ctx.SaveChangesAsync();
+        }
+
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var json = $$"""{"present_id_array":["sleeve-gift-001"],"state":1,{{BaseAuthBlock}}}""";
+        var response = await client.PostAsync("/gift/receive_gift",
+            new StringContent(json, Encoding.UTF8, "application/json"));
+        var bodyStr = await response.Content.ReadAsStringAsync();
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK), bodyStr);
+
+        using var verifyScope = factory.Services.CreateScope();
+        var ctx2 = verifyScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        var owned = await ctx2.Viewers.AsNoTracking()
+            .Include(v => v.Sleeves)
+            .FirstAsync(v => v.Id == viewerId);
+        Assert.That(owned.Sleeves.Any(s => s.Id == sleeveId), Is.True,
+            "Sleeve reward_type=6 must round-trip through the gift mapper and InventoryService.GrantAsync.");
+    }
+
+    [Test]
+    public async Task GiftReceive_with_unsupported_reward_type_does_not_grant()
+    {
+        using var factory = new SVSimTestFactory();
+        await factory.SeedGlobalsAsync();
+        long viewerId = await factory.SeedViewerAsync(tutorialState: 100);
+
+        // RewardType 11 = SpotCard, which GiftRewardTypes.IsSupported rejects, causing
+        // WireRewardTypeToUserGoodsType to throw InvalidOperationException before CommitAsync.
+        using (var seedScope = factory.Services.CreateScope())
+        {
+            var ctx = seedScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            ctx.ViewerPresents.Add(new ViewerPresent
+            {
+                ViewerId = viewerId,
+                PresentId = "bad-gift-001",
+                Status = PresentStatus.Unclaimed,
+                RewardType = 11,
+                RewardDetailId = 123,
+                RewardCount = 1,
+                Message = "Bad type",
+                CreatedAt = DateTime.UtcNow,
+                Source = "test",
+            });
+            await ctx.SaveChangesAsync();
+        }
+
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var json = $$"""{"present_id_array":["bad-gift-001"],"state":1,{{BaseAuthBlock}}}""";
+
+        // TestServer propagates unhandled controller exceptions through HttpClient.PostAsync
+        // (because Program.cs has no app.UseExceptionHandler middleware). Catch the exception
+        // here; the critical assertion is that the DB row was never transitioned.
+        bool threw = false;
+        try
+        {
+            var response = await client.PostAsync("/gift/receive_gift",
+                new StringContent(json, Encoding.UTF8, "application/json"));
+            // If exception handling middleware is added later, the response will be 500 — accept both.
+            Assert.That((int)response.StatusCode, Is.GreaterThanOrEqualTo(500),
+                "Unsupported reward_type must not return a success status code.");
+        }
+        catch (Exception ex) when (ex.Message.Contains("Unsupported gift reward_type") ||
+                                   ex.InnerException?.Message.Contains("Unsupported gift reward_type") == true)
+        {
+            threw = true;
+        }
+
+        // Either path (thrown exception or 5xx) is acceptable; what matters is the DB row stayed Unclaimed.
+        using var verifyScope = factory.Services.CreateScope();
+        var ctx2 = verifyScope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        var present = await ctx2.ViewerPresents.AsNoTracking()
+            .FirstAsync(p => p.PresentId == "bad-gift-001");
+        Assert.That(present.Status, Is.EqualTo(PresentStatus.Unclaimed),
+            "Failed claim must NOT transition the row — it's still claimable once the producer is fixed.");
+
+        // Confirm the exception did propagate (not swallowed into a silent 200).
+        Assert.That(threw, Is.True,
+            "InvalidOperationException for unsupported reward_type must propagate — not be silently swallowed into a 200.");
+    }
 }