import_viewer: round-trip ViewerMissionData scalars (mission_meta)

SVSim.EmulatedEntrypoint/Controllers/AdminController.cs

@@ -253,6 +253,18 @@ public class AdminController : SVSimController
             }
         }
 
+        // Pass A: MissionMeta scalars
+        if (request.MissionMeta is { } meta)
+        {
+            viewer.MissionData ??= new ViewerMissionData();
+            if (meta.HasReceivedPickTwoMission is { } hrptm)
+                viewer.MissionData.HasReceivedPickTwoMission = hrptm;
+            if (meta.MissionReceiveType is { } mrt)
+                viewer.MissionData.MissionReceiveType = mrt;
+            if (meta.MissionChangeTime is { } mct)
+                viewer.MissionData.MissionChangeTime = DateTimeOffset.FromUnixTimeSeconds(mct).UtcDateTime;
+        }
+
         await _dbContext.SaveChangesAsync();
 
         if (skippedCardIds.Count > 0)

SVSim.EmulatedEntrypoint/Models/Dtos/Requests/Admin/ImportViewerRequest.cs

@@ -33,6 +33,8 @@ public class ImportViewerRequest
     [JsonPropertyName("items")] public List<ImportItem>? Items { get; set; }
 
     [JsonPropertyName("decks")] public List<ImportDeck>? Decks { get; set; }
+
+    [JsonPropertyName("mission_meta")] public ImportMissionMeta? MissionMeta { get; set; }
 }
 
 public class ImportDeck
@@ -78,3 +80,15 @@ public class ImportItem
     [JsonPropertyName("item_id")] public int ItemId { get; set; }
     [JsonPropertyName("count")]   public int Count { get; set; }
 }
+
+public class ImportMissionMeta
+{
+    [JsonPropertyName("has_received_pick_two_mission")]
+    public bool? HasReceivedPickTwoMission { get; set; }
+
+    [JsonPropertyName("mission_receive_type")]
+    public int? MissionReceiveType { get; set; }
+
+    [JsonPropertyName("mission_change_time")]
+    public long? MissionChangeTime { get; set; }
+}

SVSim.UnitTests/Controllers/AdminControllerTests.cs

@@ -450,4 +450,38 @@ public class AdminControllerTests
             "Empty deck slots must be skipped; only the real (non-empty) deck imports.");
         Assert.That(stored.Decks.Single().Name, Is.EqualTo("Real"));
     }
+
+    [Test]
+    public async Task ImportViewer_MissionMeta_RoundTrips()
+    {
+        using var factory = new SVSimTestFactory();
+        var client = factory.CreateClient();
+        ulong steamId = 70000000000000001UL;
+
+        var resp = await client.PostAsJsonAsync("/admin/import_viewer", new ImportViewerRequest
+        {
+            SteamId = steamId,
+            MissionMeta = new ImportMissionMeta
+            {
+                HasReceivedPickTwoMission = true,
+                MissionReceiveType = 2,
+                MissionChangeTime = 1_700_000_000L
+            }
+        });
+        resp.EnsureSuccessStatusCode();
+
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        var viewer = await db.Viewers
+            .Include(v => v.MissionData)
+            .SingleAsync(v => v.SocialAccountConnections
+                .Any(s => s.AccountType == SocialAccountType.Steam && s.AccountId == steamId));
+
+        Assert.That(viewer.MissionData, Is.Not.Null);
+        Assert.That(viewer.MissionData!.HasReceivedPickTwoMission, Is.True);
+        Assert.That(viewer.MissionData.MissionReceiveType, Is.EqualTo(2));
+        // MissionChangeTime is DateTime in storage; verify it survives the round-trip from unix seconds.
+        Assert.That(viewer.MissionData.MissionChangeTime,
+            Is.EqualTo(DateTimeOffset.FromUnixTimeSeconds(1_700_000_000L).UtcDateTime));
+    }
 }