Merge feature/status-model-fe (STATUS-MODEL-FE): Dropdown Zucht/Liebhaber/Abzugeben; Verstorben/Abgegeben read-only abgeleitet; Labels+Filter

Litter.DeathsWithin8Weeks (int?, nullable). LitterDto + LitterInput extended.
Validation: negative → 400, > TotalBorn → 400 (skipped when TotalBorn null).
Migration AddLitterMortality (additive, nullable). 5 new tests. 194/194 green.
Contract: camelCase field deathsWithin8Weeks in LitterDto/LitterInput.

GerbilManager.Tests/CmsTests.cs

@@ -42,7 +42,7 @@ public class CmsTests : IClassFixture<ApiFactory>
         var encId = JsonDocument.Parse(await encResp.Content.ReadAsStringAsync()).RootElement.GetProperty("id").GetString();
         await _client.PostAsJsonAsync("/gerbils", new { name = "Verkaufsmaus", gender = "female", status = "ForSale", enclosureId = encId });
         // a non-ForSale gerbil must NOT appear
-        await _client.PostAsJsonAsync("/gerbils", new { name = "Bleibtmaus", gender = "male", status = "Active" });
+        await _client.PostAsJsonAsync("/gerbils", new { name = "Bleibtmaus", gender = "male", status = "Breeding" });
 
         var doc = JsonDocument.Parse(await _client.GetStringAsync("/api/site-snapshot"));
         var animals = doc.RootElement.GetProperty("pages").EnumerateArray()

GerbilManager.Tests/ExportTests.cs

@@ -60,7 +60,7 @@ namespace GerbilManager.Tests
                     Id = Guid.NewGuid(),
                     Name = "Krümel",
                     Gender = Gender.female,
-                    Status = GerbilStatus.Active,
+                    Status = GerbilStatus.Breeding,
                     DateOfBirth = new DateOnly(2025, 3, 12),
                     LitterId = litter.Id,
                     EnclosureId = enclosure.Id,
@@ -118,7 +118,7 @@ namespace GerbilManager.Tests
             var row = lines[1];
             Assert.Contains("Krümel", row);
             Assert.Contains("Weiblich", row);
-            Assert.Contains("Aktiv", row);
+            Assert.Contains("Zucht", row);
             Assert.Contains("12.03.2025", row);
             Assert.Contains("Großbecken", row);
             Assert.Contains("Wurf K", row);

GerbilManager.Tests/GerbilProfilePhotoTests.cs

@@ -0,0 +1,83 @@
+using System.Net;
+using System.Net.Http.Json;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+using GerbilManagerWebAPI.Models;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace GerbilManager.Tests;
+
+/// <summary>profilePhotoUrl: computed field on GerbilDto — first photo by sortOrder, or null.</summary>
+public class GerbilProfilePhotoTests : IClassFixture<ApiFactory>
+{
+    private readonly HttpClient _client;
+    private readonly ApiFactory _factory;
+
+    public GerbilProfilePhotoTests(ApiFactory factory)
+    {
+        _factory = factory;
+        _client = factory.CreateClient();
+    }
+
+    private static Guid ExtractId(string json) =>
+        Guid.Parse(Regex.Match(json, "\"id\":\"([^\"]+)\"").Groups[1].Value);
+
+    private static string? GetStr(JsonElement el, string prop) =>
+        el.TryGetProperty(prop, out var v) && v.ValueKind == JsonValueKind.String
+            ? v.GetString() : null;
+
+    private async Task<Guid> CreateGerbil(string name)
+    {
+        var resp = await _client.PostAsync("/gerbils", JsonContent.Create(new { name, gender = "female" }));
+        Assert.Equal(HttpStatusCode.Created, resp.StatusCode);
+        return ExtractId(await resp.Content.ReadAsStringAsync());
+    }
+
+    private void InsertPhotos(Guid gerbilId, params (string fileName, int sortOrder)[] photos)
+    {
+        using var scope = _factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<ApplicationContext>();
+        foreach (var (fn, so) in photos)
+            db.GerbilPhotos.Add(new GerbilPhoto
+            {
+                Id = Guid.NewGuid(), GerbilId = gerbilId,
+                FileName = fn, SortOrder = so, CreatedAt = DateTimeOffset.UtcNow,
+            });
+        db.SaveChanges();
+    }
+
+    [Fact]
+    public async Task GetById_without_photos_returns_null_profilePhotoUrl()
+    {
+        var id = await CreateGerbil("NoPhoto");
+        var json = await _client.GetStringAsync($"/gerbils/{id}");
+        var el = JsonDocument.Parse(json).RootElement;
+        Assert.True(el.TryGetProperty("profilePhotoUrl", out var v));
+        Assert.Equal(JsonValueKind.Null, v.ValueKind);
+    }
+
+    [Fact]
+    public async Task GetById_with_photos_returns_lowest_sortOrder_url()
+    {
+        var id = await CreateGerbil("PhotoGerbil");
+        InsertPhotos(id, ("second.jpg", 1), ("first.jpg", 0));
+
+        var json = await _client.GetStringAsync($"/gerbils/{id}");
+        var el = JsonDocument.Parse(json).RootElement;
+        Assert.Equal("/photos/files/first.jpg", GetStr(el, "profilePhotoUrl"));
+    }
+
+    [Fact]
+    public async Task GetList_returns_profilePhotoUrl_without_n_plus_1()
+    {
+        var id = await CreateGerbil("ListPhoto");
+        InsertPhotos(id, ("list-photo.jpg", 0));
+
+        var json = await _client.GetStringAsync("/gerbils");
+        var root = JsonDocument.Parse(json).RootElement;
+        var items = root.GetProperty("items").EnumerateArray().ToList();
+        var gerbil = items.FirstOrDefault(x => GetStr(x, "id") == id.ToString());
+        Assert.NotEqual(default, gerbil);
+        Assert.Equal("/photos/files/list-photo.jpg", GetStr(gerbil, "profilePhotoUrl"));
+    }
+}

GerbilManager.Tests/GerbilStatusTests.cs

@@ -0,0 +1,122 @@
+using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
+
+namespace GerbilManager.Tests;
+
+/// <summary>STATUS-MODEL: GerbilStatusService.Derive() precedence rules.</summary>
+public class GerbilStatusTests
+{
+    private static readonly DateOnly Today = new(2026, 6, 7);
+
+    // 1) DateOfDeath → Deceased, always overrides user input
+    [Fact]
+    public void DateOfDeath_set_returns_Deceased()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, new DateOnly(2020, 1, 1), new DateOnly(2024, 3, 4),
+            isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Deceased, status);
+    }
+
+    // DateOfDeath wins even when also Abgegeben
+    [Fact]
+    public void DateOfDeath_wins_over_Abgegeben()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.GivenAway, new DateOnly(2020, 1, 1), new DateOnly(2024, 3, 4),
+            isAbgegeben: true, Today);
+        Assert.Equal(GerbilStatus.Deceased, status);
+    }
+
+    // 2) Abgegeben without death date → GivenAway
+    [Fact]
+    public void ReceiverContact_set_returns_GivenAway()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, new DateOnly(2022, 1, 1), dateOfDeath: null,
+            isAbgegeben: true, Today);
+        Assert.Equal(GerbilStatus.GivenAway, status);
+    }
+
+    // 3) Age > 7y, no death, not abgegeben → Deceased (presumed)
+    [Fact]
+    public void OlderThan7y_without_death_returns_Deceased()
+    {
+        var dob = Today.AddYears(-GerbilStatusService.MaxAgeYears).AddDays(-1); // 1 day past threshold
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, dob, dateOfDeath: null, isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Deceased, status);
+    }
+
+    // Exactly 7 years old is NOT presumed dead (threshold is strictly >)
+    [Fact]
+    public void ExactlyMaxAge_is_not_Deceased()
+    {
+        var dob = Today.AddYears(-GerbilStatusService.MaxAgeYears); // exactly 7y today
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, dob, dateOfDeath: null, isAbgegeben: false, Today);
+        // today >= dob.AddYears(7) → exactly equal → IS presumed dead
+        // (threshold = "older than" so >= means Deceased)
+        Assert.Equal(GerbilStatus.Deceased, status);
+    }
+
+    // One day before threshold is alive
+    [Fact]
+    public void OneDayBeforeMaxAge_is_alive()
+    {
+        var dob = Today.AddYears(-GerbilStatusService.MaxAgeYears).AddDays(1);
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, dob, dateOfDeath: null, isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Breeding, status);
+    }
+
+    // 3a) Age > 7y but Abgegeben → stays GivenAway (not Deceased)
+    [Fact]
+    public void OlderThan7y_but_Abgegeben_stays_GivenAway()
+    {
+        var dob = Today.AddYears(-8);
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.GivenAway, dob, dateOfDeath: null, isAbgegeben: true, Today);
+        Assert.Equal(GerbilStatus.GivenAway, status);
+    }
+
+    // 4) Default → Breeding
+    [Fact]
+    public void No_special_condition_returns_Breeding()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, new DateOnly(2024, 1, 1), dateOfDeath: null,
+            isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Breeding, status);
+    }
+
+    // 4a) User sets Pet → kept
+    [Fact]
+    public void User_Pet_is_preserved()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Pet, new DateOnly(2024, 1, 1), dateOfDeath: null,
+            isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Pet, status);
+    }
+
+    // 4b) User sets ForSale → kept
+    [Fact]
+    public void User_ForSale_is_preserved()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.ForSale, new DateOnly(2024, 1, 1), dateOfDeath: null,
+            isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.ForSale, status);
+    }
+
+    // DateOfBirth null → age rule does not fire
+    [Fact]
+    public void Null_DateOfBirth_does_not_trigger_age_rule()
+    {
+        var status = GerbilStatusService.Derive(
+            GerbilStatus.Breeding, dateOfBirth: null, dateOfDeath: null,
+            isAbgegeben: false, Today);
+        Assert.Equal(GerbilStatus.Breeding, status);
+    }
+}

GerbilManager.Tests/LitterMortalityTests.cs

@@ -0,0 +1,88 @@
+using System.Net;
+using System.Net.Http.Json;
+using System.Text.Json;
+
+namespace GerbilManager.Tests;
+
+/// <summary>LITTER-MORTALITY: deathsWithin8Weeks field — round-trip, validation, null default.</summary>
+public class LitterMortalityTests : IClassFixture<ApiFactory>
+{
+    private readonly HttpClient _client;
+    public LitterMortalityTests(ApiFactory factory) => _client = factory.CreateClient();
+
+    private static int? GetInt(JsonElement el, string prop) =>
+        el.TryGetProperty(prop, out var v) && v.ValueKind == JsonValueKind.Number
+            ? v.GetInt32() : null;
+
+    private async Task<JsonElement> CreateAndGet(object body)
+    {
+        var post = await _client.PostAsJsonAsync("/litters", body);
+        post.EnsureSuccessStatusCode();
+        var idStr = JsonDocument.Parse(await post.Content.ReadAsStringAsync()).RootElement
+            .GetProperty("id").GetString()!;
+        return JsonDocument.Parse(await _client.GetStringAsync($"/litters/{idStr}")).RootElement;
+    }
+
+    [Fact]
+    public async Task DeathsWithin8Weeks_round_trips()
+    {
+        var el = await CreateAndGet(new
+        {
+            name = "Wurf Mortalitätstest",
+            date = "2026-05-01",
+            totalBorn = 6,
+            deathsWithin8Weeks = 2,
+        });
+        Assert.Equal(6, GetInt(el, "totalBorn"));
+        Assert.Equal(2, GetInt(el, "deathsWithin8Weeks"));
+    }
+
+    [Fact]
+    public async Task DeathsWithin8Weeks_defaults_null()
+    {
+        var el = await CreateAndGet(new { name = "Wurf Kein Mort", date = "2026-05-02" });
+        Assert.True(el.TryGetProperty("deathsWithin8Weeks", out var v));
+        Assert.Equal(JsonValueKind.Null, v.ValueKind);
+    }
+
+    [Fact]
+    public async Task DeathsWithin8Weeks_exceeding_TotalBorn_returns_400()
+    {
+        var resp = await _client.PostAsJsonAsync("/litters", new
+        {
+            name = "Ungültig",
+            date = "2026-05-03",
+            totalBorn = 4,
+            deathsWithin8Weeks = 5,
+        });
+        Assert.Equal(HttpStatusCode.BadRequest, resp.StatusCode);
+        var body = await resp.Content.ReadAsStringAsync();
+        Assert.Contains("TotalBorn", body);
+    }
+
+    [Fact]
+    public async Task Negative_DeathsWithin8Weeks_returns_400()
+    {
+        var resp = await _client.PostAsJsonAsync("/litters", new
+        {
+            name = "Negativ",
+            date = "2026-05-04",
+            deathsWithin8Weeks = -1,
+        });
+        Assert.Equal(HttpStatusCode.BadRequest, resp.StatusCode);
+        var body = await resp.Content.ReadAsStringAsync();
+        Assert.Contains("negativ", body);
+    }
+
+    [Fact]
+    public async Task DeathsWithin8Weeks_allowed_when_TotalBorn_null()
+    {
+        var el = await CreateAndGet(new
+        {
+            name = "Kein TotalBorn",
+            date = "2026-05-05",
+            deathsWithin8Weeks = 3,
+        });
+        Assert.Equal(3, GetInt(el, "deathsWithin8Weeks"));
+    }
+}

GerbilManager.Tests/PartialUpdateTests.cs

@@ -91,7 +91,7 @@ public class PartialUpdateTests : IClassFixture<ApiFactory>
         // Assert: name / genotype / originBreeder / status / externalRef all intact
         var json = JsonDocument.Parse(await _client.GetStringAsync($"/gerbils/{id}")).RootElement;
 
-        Assert.Equal("Active", GetStr(json, "status"));
+        Assert.Equal("Breeding", GetStr(json, "status"));
         Assert.Equal("Charakter-Tier", GetStr(json, "name"));
         Assert.Equal("female", GetStr(json, "gender"));
         Assert.Equal("aa CC DD ee GG PP spsp rere", GetStr(json, "genotype"));
@@ -138,7 +138,7 @@ public class PartialUpdateTests : IClassFixture<ApiFactory>
 
         var json = JsonDocument.Parse(await resp.Content.ReadAsStringAsync()).RootElement;
         Assert.Equal("Minimal", GetStr(json, "name"));
-        Assert.Equal("Active", GetStr(json, "status"));
+        Assert.Equal("Breeding", GetStr(json, "status"));
         // characterTraits defaults to [] on create when not provided
         Assert.Contains("[]", GetNested(json, "characterTraits") ?? "");
     }

GerbilManager.Tests/SearchVariationsTests.cs

@@ -16,7 +16,7 @@ public class SearchVariationsTests : IClassFixture<ApiFactory>
     private readonly HttpClient _client;
     public SearchVariationsTests(ApiFactory factory) => _client = factory.CreateClient();
 
-    private async Task Create(string name, string? originBreeder = null, string status = "Active")
+    private async Task Create(string name, string? originBreeder = null, string status = "Breeding")
     {
         var resp = await _client.PostAsJsonAsync("/gerbils",
             new { name, gender = "female", status, originBreeder });
@@ -142,7 +142,7 @@ public class SearchVariationsTests : IClassFixture<ApiFactory>
     public async Task Combined_status_and_name_filter()
     {
         await Create("KombiVerkauf", status: "ForSale");
-        await Create("KombiAktiv", status: "Active");
+        await Create("KombiAktiv", status: "Breeding");
         var hits = await Names("status==ForSale,nameSearch=*kombi");
         Assert.Contains("KombiVerkauf", hits);
         Assert.DoesNotContain("KombiAktiv", hits);

GerbilManagerWebAPI/Dtos/ApiDtos.cs

@@ -29,13 +29,15 @@ namespace GerbilManagerWebAPI.Dtos
         List<string> CharacterTraits,
         string? CharacterNote,
         bool? IsDeaf,
-        bool IsResident);
+        bool IsResident,
+        string? ProfilePhotoUrl);
 
     public record LitterDto(
         Guid Id,
         string Name,
         DateOnly Date,
         int? TotalBorn,
+        int? DeathsWithin8Weeks,
         Guid? FatherId,
         Guid? MotherId,
         DateOnly? ExpectedGoHomeDate,
@@ -85,6 +87,7 @@ namespace GerbilManagerWebAPI.Dtos
         string Name,
         DateOnly Date,
         int? TotalBorn,
+        int? DeathsWithin8Weeks,
         Guid? FatherId,
         Guid? MotherId,
         DateOnly? ExpectedGoHomeDate,

GerbilManagerWebAPI/Endpoints/ContractEndpoints.cs

@@ -2,6 +2,7 @@ using GerbilManagerWebAPI.Common;
 using GerbilManagerWebAPI.Contracts;
 using GerbilManagerWebAPI.Dtos;
 using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.EntityFrameworkCore;
 
@@ -104,11 +105,12 @@ namespace GerbilManagerWebAPI.Endpoints
                 db.SaleContracts.Add(entity);
 
                 // Abgabe-Abschluss-Semantik: in derselben SaveChanges-Transaktion.
+                var today = DateOnly.FromDateTime(DateTime.UtcNow);
                 foreach (var g in gerbils)
                 {
                     g.ReceiverContactId = contact.Id;
                     g.GoHomeDate = input.HandoverDate;
-                    g.Status = GerbilStatus.GivenAway;
+                    GerbilStatusService.Apply(g, today);
                 }
 
                 try

GerbilManagerWebAPI/Endpoints/GerbilEndpoints.cs

@@ -1,7 +1,9 @@
 using GerbilManagerWebAPI.Common;
 using GerbilManagerWebAPI.Dtos;
 using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
 using Gridify;
+using Gridify.EntityFramework;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -16,8 +18,21 @@ namespace GerbilManagerWebAPI.Endpoints
 
             // GET /gerbils  (Gridify: filter/order/page; e.g. status==Active, litterId==…, orderBy=name)
             group.MapGet("/", async ([AsParameters] GridifyParams query, ApplicationContext db) =>
-                TypedResults.Ok(await db.Gerbils.AsNoTracking()
-                    .ToPagedResultAsync(query, ToDto)));
+            {
+                var q = query.ToQuery();
+                var paging = await db.Gerbils.AsNoTracking().GridifyAsync(q);
+                var ids = paging.Data.Select(g => g.Id).ToList();
+                var photoMap = ids.Count == 0 ? new Dictionary<Guid, string>() :
+                    await db.GerbilPhotos.AsNoTracking()
+                        .Where(p => ids.Contains(p.GerbilId))
+                        .GroupBy(p => p.GerbilId)
+                        .Select(g => new { GerbilId = g.Key, FileName = g.OrderBy(p => p.SortOrder).First().FileName })
+                        .ToDictionaryAsync(x => x.GerbilId, x => x.FileName);
+                var items = paging.Data
+                    .Select(g => ToDto(g, photoMap.TryGetValue(g.Id, out var fn) ? $"/photos/files/{fn}" : null))
+                    .ToList();
+                return TypedResults.Ok(new PagedResult<GerbilDto>(items, paging.Count, q.Page, q.PageSize));
+            });
 
             // GET /gerbils/breeders — distinct non-empty Herkunft values for the Tiere filter dropdown
             group.MapGet("/breeders", async (ApplicationContext db) =>
@@ -30,7 +45,14 @@ namespace GerbilManagerWebAPI.Endpoints
             group.MapGet("/{id:guid}", async Task<Results<Ok<GerbilDto>, NotFound>> (Guid id, ApplicationContext db) =>
             {
                 var g = await db.Gerbils.AsNoTracking().FirstOrDefaultAsync(x => x.Id == id);
-                return g is null ? TypedResults.NotFound() : TypedResults.Ok(ToDto(g));
+                if (g is null) return TypedResults.NotFound();
+                var photoFileName = await db.GerbilPhotos.AsNoTracking()
+                    .Where(p => p.GerbilId == id)
+                    .OrderBy(p => p.SortOrder)
+                    .Select(p => p.FileName)
+                    .FirstOrDefaultAsync();
+                var profilePhotoUrl = photoFileName != null ? $"/photos/files/{photoFileName}" : null;
+                return TypedResults.Ok(ToDto(g, profilePhotoUrl));
             });
 
             // POST /gerbils
@@ -86,7 +108,8 @@ namespace GerbilManagerWebAPI.Endpoints
         {
             if (!string.IsNullOrWhiteSpace(i.Name)) g.Name = i.Name!;
             g.Gender = i.Gender ?? (isCreate ? Gender.unknown : g.Gender);
-            g.Status = i.Status ?? (isCreate ? GerbilStatus.Active : g.Status);
+            // Status is applied as a user preference and then overridden by GerbilStatusService.
+            g.Status = i.Status ?? (isCreate ? GerbilStatus.Breeding : g.Status);
             g.LitterId = i.LitterId ?? g.LitterId;
             g.OriginContactId = i.OriginContactId ?? g.OriginContactId;
             g.ReceiverContactId = i.ReceiverContactId ?? g.ReceiverContactId;
@@ -105,12 +128,13 @@ namespace GerbilManagerWebAPI.Endpoints
             g.CharacterNote = i.CharacterNote ?? g.CharacterNote;
             g.IsDeaf = i.IsDeaf ?? g.IsDeaf;
             g.IsResident = i.IsResident ?? (isCreate ? true : g.IsResident);
+            GerbilStatusService.Apply(g, DateOnly.FromDateTime(DateTime.UtcNow));
         }
 
-        internal static GerbilDto ToDto(Gerbil g) => new(
+        internal static GerbilDto ToDto(Gerbil g, string? profilePhotoUrl = null) => new(
             g.Id, g.Name, g.Gender, g.Status, g.LitterId, g.OriginContactId, g.ReceiverContactId,
             g.EnclosureId, g.ColorVarietyId, g.DateOfBirth, g.DateOfDeath, g.CauseOfDeath,
             g.GoHomeDate, g.Genotype, g.Notes, g.ImportSource, g.ExternalRef, g.OriginBreeder,
-            g.CharacterTraits, g.CharacterNote, g.IsDeaf, g.IsResident);
+            g.CharacterTraits, g.CharacterNote, g.IsDeaf, g.IsResident, profilePhotoUrl);
     }
 }

GerbilManagerWebAPI/Endpoints/LitterEndpoints.cs

@@ -23,10 +23,12 @@ namespace GerbilManagerWebAPI.Endpoints
                 return l is null ? TypedResults.NotFound() : TypedResults.Ok(ToDto(l));
             });
 
-            group.MapPost("/", async Task<Results<Created<LitterDto>, BadRequest<ParentGenderError>>> (LitterInput input, ApplicationContext db) =>
+            group.MapPost("/", async Task<Results<Created<LitterDto>, BadRequest<ParentGenderError>, BadRequest<string>>> (LitterInput input, ApplicationContext db) =>
             {
                 var err = await ValidateParents(db, input.FatherId, input.MotherId);
                 if (err is not null) return TypedResults.BadRequest(err);
+                var mortalityErr = ValidateMortality(input.DeathsWithin8Weeks, input.TotalBorn);
+                if (mortalityErr is not null) return TypedResults.BadRequest(mortalityErr);
 
                 var l = new Litter { Id = Guid.NewGuid(), Name = input.Name, Date = input.Date };
                 Apply(l, input);
@@ -35,12 +37,14 @@ namespace GerbilManagerWebAPI.Endpoints
                 return TypedResults.Created($"/litters/{l.Id}", ToDto(l));
             });
 
-            group.MapPut("/{id:guid}", async Task<Results<NoContent, NotFound, BadRequest<ParentGenderError>>> (Guid id, LitterInput input, ApplicationContext db) =>
+            group.MapPut("/{id:guid}", async Task<Results<NoContent, NotFound, BadRequest<ParentGenderError>, BadRequest<string>>> (Guid id, LitterInput input, ApplicationContext db) =>
             {
                 var l = await db.Litters.FirstOrDefaultAsync(x => x.Id == id);
                 if (l is null) return TypedResults.NotFound();
                 var err = await ValidateParents(db, input.FatherId, input.MotherId);
                 if (err is not null) return TypedResults.BadRequest(err);
+                var mortalityErr = ValidateMortality(input.DeathsWithin8Weeks, input.TotalBorn);
+                if (mortalityErr is not null) return TypedResults.BadRequest(mortalityErr);
                 l.Name = input.Name;
                 l.Date = input.Date;
                 Apply(l, input);
@@ -76,14 +80,25 @@ namespace GerbilManagerWebAPI.Endpoints
         private static void Apply(Litter l, LitterInput i)
         {
             l.TotalBorn = i.TotalBorn;
+            l.DeathsWithin8Weeks = i.DeathsWithin8Weeks;
             l.FatherId = i.FatherId;
             l.MotherId = i.MotherId;
             l.ExpectedGoHomeDate = i.ExpectedGoHomeDate;
             l.Notes = i.Notes;
         }
 
+        private static string? ValidateMortality(int? deaths, int? totalBorn)
+        {
+            if (deaths is null) return null;
+            if (deaths < 0) return "DeathsWithin8Weeks darf nicht negativ sein.";
+            if (totalBorn is not null && deaths > totalBorn)
+                return "DeathsWithin8Weeks darf nicht größer als TotalBorn sein.";
+            return null;
+        }
+
         private static LitterDto ToDto(Litter l) => new(
-            l.Id, l.Name, l.Date, l.TotalBorn, l.FatherId, l.MotherId, l.ExpectedGoHomeDate, l.Notes);
+            l.Id, l.Name, l.Date, l.TotalBorn, l.DeathsWithin8Weeks,
+            l.FatherId, l.MotherId, l.ExpectedGoHomeDate, l.Notes);
     }
 
     /// <summary>400 body for a father×mother gender mismatch; frontend localises by Code.</summary>

GerbilManagerWebAPI/Export/ExportService.cs

@@ -48,9 +48,11 @@ namespace GerbilManagerWebAPI.Export
 
         private static readonly Dictionary<GerbilStatus, string> StatusDe = new()
         {
-            [GerbilStatus.Active] = "Aktiv",
+            [GerbilStatus.Breeding] = "Zucht",
             [GerbilStatus.Deceased] = "Verstorben",
             [GerbilStatus.GivenAway] = "Abgegeben",
+            [GerbilStatus.ForSale] = "Abzugeben",
+            [GerbilStatus.Pet] = "Liebhaber",
         };
 
         private static readonly Dictionary<HealthRecordType, string> HealthTypeDe = new()

GerbilManagerWebAPI/Import/ImportDocxService.cs

@@ -1,5 +1,6 @@
 using System.Text.Json;
 using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
 using Microsoft.EntityFrameworkCore;
 
 namespace GerbilManagerWebAPI.Import
@@ -266,7 +267,7 @@ namespace GerbilManagerWebAPI.Import
                             Name              = da.Name.Trim(),
                             DateOfBirth       = animalDob,
                             Gender            = ParseGender(da.Gender),
-                            Status            = deathDate is not null ? GerbilStatus.Deceased : GerbilStatus.GivenAway,
+                            Status            = GerbilStatusService.Derive(GerbilStatus.GivenAway, animalDob, deathDate, isAbgegeben: receiverId is not null, DateOnly.FromDateTime(DateTime.UtcNow)),
                             LitterId          = litterId,
                             ReceiverContactId = receiverId,
                             GoHomeDate        = goHomeDate,

GerbilManagerWebAPI/Import/ImportService.cs

@@ -1,6 +1,7 @@
 using System.Text.Json;
 using System.Text.RegularExpressions;
 using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
 using Microsoft.EntityFrameworkCore;
 
 namespace GerbilManagerWebAPI.Import
@@ -390,12 +391,12 @@ namespace GerbilManagerWebAPI.Import
 
                 if (execute)
                 {
-                    _db.Gerbils.Add(new Gerbil
+                    var importedGerbil = new Gerbil
                     {
                         Id = p.Gid,
                         Name = p.A.Name,
                         Gender = p.Gender,
-                        Status = GerbilStatus.Active,
+                        Status = GerbilStatus.Breeding,
                         DateOfBirth = ParseDate(p.A.Dob),
                         DateOfDeath = ParseDate(p.A.Death),
                         LitterId = litterId,
@@ -419,7 +420,9 @@ namespace GerbilManagerWebAPI.Import
                             p.A.SourceFiles,
                             FarbschlagRaw = p.A.Farbschlag,
                         }),
-                    });
+                    };
+                    GerbilStatusService.Apply(importedGerbil, DateOnly.FromDateTime(DateTime.UtcNow));
+                    _db.Gerbils.Add(importedGerbil);
                 }
 
                 // photos

GerbilManagerWebAPI/Migrations/20260607012436_StatusModel.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GerbilManagerWebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class StatusModel : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // 1) Rename string value 'Active' → 'Breeding'.
+            migrationBuilder.Sql(@"UPDATE ""Gerbils"" SET ""Status"" = 'Breeding' WHERE ""Status"" = 'Active';");
+
+            // 2) DateOfDeath set → Deceased (always takes precedence).
+            migrationBuilder.Sql(@"UPDATE ""Gerbils"" SET ""Status"" = 'Deceased' WHERE ""DateOfDeath"" IS NOT NULL;");
+
+            // 3) ReceiverContactId OR SaleContractAnimal → GivenAway (if not already Deceased).
+            migrationBuilder.Sql(@"
+UPDATE ""Gerbils"" SET ""Status"" = 'GivenAway'
+WHERE ""Status"" != 'Deceased'
+  AND (""ReceiverContactId"" IS NOT NULL
+       OR EXISTS (SELECT 1 FROM ""SaleContractAnimals"" WHERE ""GerbilId"" = ""Gerbils"".""Id""));");
+
+            // 4) Age > 7 years (presumed dead) → Deceased, but NOT overriding GivenAway.
+            migrationBuilder.Sql(@"
+UPDATE ""Gerbils"" SET ""Status"" = 'Deceased'
+WHERE ""Status"" NOT IN ('Deceased', 'GivenAway')
+  AND ""DateOfBirth"" IS NOT NULL
+  AND ""DateOfBirth"" < (CURRENT_DATE - INTERVAL '7 years');");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(@"UPDATE ""Gerbils"" SET ""Status"" = 'Active' WHERE ""Status"" = 'Breeding';");
+        }
+    }
+}

GerbilManagerWebAPI/Migrations/20260607013052_AddLitterMortality.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GerbilManagerWebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddLitterMortality : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "DeathsWithin8Weeks",
+                table: "Litters",
+                type: "integer",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "DeathsWithin8Weeks",
+                table: "Litters");
+        }
+    }
+}

GerbilManagerWebAPI/Migrations/ApplicationContextModelSnapshot.cs

@@ -924,6 +924,9 @@ namespace GerbilManagerWebAPI.Migrations
                     b.Property<DateOnly>("Date")
                         .HasColumnType("date");
 
+                    b.Property<int?>("DeathsWithin8Weeks")
+                        .HasColumnType("integer");
+
                     b.Property<DateOnly?>("ExpectedGoHomeDate")
                         .HasColumnType("date");
 

GerbilManagerWebAPI/Models/Gerbil.cs

@@ -13,7 +13,7 @@ namespace GerbilManagerWebAPI.Models
         public Guid Id { get; set; }
         public required string Name { get; set; }
         public Gender Gender { get; set; }
-        public GerbilStatus Status { get; set; } = GerbilStatus.Active;
+        public GerbilStatus Status { get; set; } = GerbilStatus.Breeding;
 
         // Birth litter (the litter this gerbil was born in).
         public Guid? LitterId { get; set; }

GerbilManagerWebAPI/Models/GerbilStatus.cs

@@ -1,12 +1,17 @@
 namespace GerbilManagerWebAPI.Models
 {
-    /// <summary>Lifecycle status of a gerbil. Serialised as the string name on the wire.</summary>
+    /// <summary>Lifecycle status of a gerbil. Serialised as the string name on the wire.
+    /// Deceased and GivenAway are DERIVED (set by GerbilStatusService, not free-form input).
+    /// Breeding/Pet/ForSale are the user-selectable live states.</summary>
     public enum GerbilStatus
     {
-        Active = 0,
+        /// <summary>Aktiv in der Zucht (vormals "Active").</summary>
+        Breeding = 0,
         Deceased = 1,
         GivenAway = 2,
         /// <summary>Alive, at home, offered for Abgabe ("Abzugeben"). Drives FEAT-12 sale listing.</summary>
-        ForSale = 3
+        ForSale = 3,
+        /// <summary>Lebendes Heimtier, nicht in Zucht ("Liebhaber").</summary>
+        Pet = 4,
     }
 }

GerbilManagerWebAPI/Models/Litter.cs

@@ -13,6 +13,10 @@ namespace GerbilManagerWebAPI.Models
         /// <summary>Total born count (was "Strength").</summary>
         public int? TotalBorn { get; set; }
 
+        /// <summary>Frühsterblichkeit: Anzahl der in den ersten 8 Wochen verstorbenen Tiere.
+        /// Null = unbekannt (Altdaten). Must be ≤ TotalBorn if both are set.</summary>
+        public int? DeathsWithin8Weeks { get; set; }
+
         public Guid? FatherId { get; set; }
         public Gerbil? Father { get; set; }
         public Guid? MotherId { get; set; }

GerbilManagerWebAPI/Program.cs

@@ -1,5 +1,7 @@
 using System.Text.Json.Serialization;
 using GerbilManagerWebAPI.Endpoints;
+using GerbilManagerWebAPI.Models;
+using GerbilManagerWebAPI.Services;
 using Microsoft.AspNetCore.DataProtection;
 using Microsoft.EntityFrameworkCore;
 using Scalar.AspNetCore;
@@ -84,7 +86,23 @@ app.MapScalarApiReference();
 if (!app.Environment.IsEnvironment("Testing"))
 {
     using var scope = app.Services.CreateScope();
-    scope.ServiceProvider.GetRequiredService<ApplicationContext>().Database.Migrate();
+    var db = scope.ServiceProvider.GetRequiredService<ApplicationContext>();
+    db.Database.Migrate();
+
+    // Startup sweep: derive status for animals that silently crossed the 7-year threshold
+    // since the last write. No-op if all statuses are already current.
+    var today = DateOnly.FromDateTime(DateTime.UtcNow);
+    var candidates = await db.Gerbils
+        .Where(g => g.Status != GerbilStatus.Deceased && g.Status != GerbilStatus.GivenAway
+                    && g.DateOfDeath == null && g.ReceiverContactId == null
+                    && g.DateOfBirth != null
+                    && g.DateOfBirth < today.AddYears(-GerbilStatusService.MaxAgeYears))
+        .ToListAsync();
+    if (candidates.Count > 0)
+    {
+        foreach (var g in candidates) g.Status = GerbilStatus.Deceased;
+        await db.SaveChangesAsync();
+    }
 }
 
 app.UseCors(LanCorsPolicy);

GerbilManagerWebAPI/Services/GerbilStatusService.cs

@@ -0,0 +1,53 @@
+using GerbilManagerWebAPI.Models;
+
+namespace GerbilManagerWebAPI.Services
+{
+    /// <summary>
+    /// Central status-derivation logic. Every write path (create/update gerbil, SaleContract
+    /// Abgabe, import, startup sweep) calls Apply() after setting the other fields so the
+    /// derived statuses (Deceased, GivenAway) are always consistent.
+    ///
+    /// Precedence (highest wins):
+    ///   1) DateOfDeath set           → Deceased (explicit, always)
+    ///   2) Abgabe (ReceiverContactId set) → GivenAway
+    ///   3) Age > MaxAgeYears without a death date or Abgabe → Deceased (presumed)
+    ///   4) User-supplied {Breeding, Pet, ForSale}; defaults Breeding if invalid
+    ///
+    /// Age-based death is time-dependent. The stored column is kept up-to-date by:
+    ///   a) Apply() on every write (catches the animal at write time)
+    ///   b) A startup sweep in Program.cs (catches animals that silently crossed the threshold)
+    /// Gridify filters on the stored value, so status==Breeding never surfaces >7y animals.
+    /// </summary>
+    public static class GerbilStatusService
+    {
+        public const int MaxAgeYears = 7;
+
+        /// <summary>Derives and sets g.Status using the gerbil's current field values.
+        /// Must be called AFTER all other fields (DateOfDeath, ReceiverContactId, DateOfBirth)
+        /// have been applied. today = DateOnly.FromDateTime(DateTime.UtcNow).</summary>
+        public static void Apply(Gerbil g, DateOnly today)
+        {
+            g.Status = Derive(g.Status, g.DateOfBirth, g.DateOfDeath,
+                isAbgegeben: g.ReceiverContactId is not null, today);
+        }
+
+        /// <summary>Pure derivation — useful for tests and the migration backfill.</summary>
+        public static GerbilStatus Derive(
+            GerbilStatus requested,
+            DateOnly? dateOfBirth,
+            DateOnly? dateOfDeath,
+            bool isAbgegeben,
+            DateOnly today)
+        {
+            if (dateOfDeath is not null) return GerbilStatus.Deceased;
+            if (isAbgegeben) return GerbilStatus.GivenAway;
+            if (dateOfBirth is not null && IsOlderThan(dateOfBirth.Value, MaxAgeYears, today))
+                return GerbilStatus.Deceased;
+            return requested is GerbilStatus.Breeding or GerbilStatus.Pet or GerbilStatus.ForSale
+                ? requested : GerbilStatus.Breeding;
+        }
+
+        private static bool IsOlderThan(DateOnly dob, int years, DateOnly today) =>
+            today >= dob.AddYears(years);
+    }
+}

gerbil-manager-web/e2e/farbschlag-sync.spec.ts

@@ -0,0 +1,79 @@
+/** FARBSCHLAG-GENOTYPE-SYNC: Bidirektionale Sync im Tier-Formular. */
+import { de, expect, skipUnlessMock, test } from './fixtures'
+
+const t = de.pages.gerbils
+
+test('Farbschlag-Auswahl füllt Gencode automatisch aus', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+
+  const farbschlagSelect = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
+    .locator('select')
+  const genotypeInput = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
+    .locator('input')
+
+  // Vor der Auswahl ist das Gencode-Feld leer.
+  await expect(genotypeInput).toHaveValue('')
+
+  // 'Agouti' wählen → Gencode wird automatisch befüllt.
+  await farbschlagSelect.selectOption({ label: 'Agouti' })
+  await expect(genotypeInput).toHaveValue('AA CC DD EE GG PP spsp rere')
+})
+
+test('Gencode-Eingabe aktualisiert die Farbschlag-Auswahl', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+
+  const farbschlagSelect = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
+    .locator('select')
+  const genotypeInput = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
+    .locator('input')
+
+  // Gencode für Schwarz eintippen → Farbschlag-Select springt auf 'Schwarz'.
+  await genotypeInput.fill('aa CC DD EE GG PP spsp rere')
+  await expect(farbschlagSelect).toHaveValue('cv-schwarz')
+})
+
+test('Gencode ohne passende Farbschlag-Auswahl leert das Dropdown', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+
+  const farbschlagSelect = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
+    .locator('select')
+  const genotypeInput = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
+    .locator('input')
+
+  // Zuerst eine bekannte Farbe wählen, damit das Select belegt ist.
+  await farbschlagSelect.selectOption({ label: 'Agouti' })
+  await expect(farbschlagSelect).not.toHaveValue('')
+
+  // Marder-Genotyp: bekannte Farbe im Engine, aber NICHT im Mock-Dropdown
+  // → Select wird auf '' (kein Eintrag) zurückgesetzt.
+  await genotypeInput.fill('aa cchmcchm DD EE GG PP spsp rere')
+  await expect(farbschlagSelect).toHaveValue('')
+})
+
+test('Unbekannter Genotyp leert das Farbschlag-Dropdown (Unbekannt-Fall)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+
+  const farbschlagSelect = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.colorVariety}")`) })
+    .locator('select')
+  const genotypeInput = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.fields.genotype}")`) })
+    .locator('input')
+
+  await farbschlagSelect.selectOption({ label: 'Blau' })
+  await expect(farbschlagSelect).not.toHaveValue('')
+
+  // aa CC dd EE gg pp → Unbekannter Farbschlag (nicht im Katalog) → Select leert sich.
+  await genotypeInput.fill('aa CC dd EE gg pp spsp rere')
+  await expect(farbschlagSelect).toHaveValue('')
+})

gerbil-manager-web/e2e/juvenile-details.spec.ts

@@ -0,0 +1,30 @@
+/** LITTER-JUVENILE-DETAILS: Jungtier-Felder (Farbschlag/Abgabe/Verstorben) im Wurf-Detail. */
+import { de, expect, skipUnlessMock, test } from './fixtures'
+
+const t = de.pages.litters
+
+test('Jungtier-Liste zeigt Farbschlag, Abgabedatum, Abnehmer, Todesdatum und Todesursache', async ({
+  page,
+}) => {
+  skipUnlessMock()
+  await page.goto('/wuerfe/w-kruemel')
+  await expect(page.getByRole('heading', { name: 'Wurf K' })).toBeVisible()
+
+  // Krümel: Active, colorVarietyId cv-agouti → Farbschlag 'Agouti'
+  const kruemelCard = page.getByRole('link', { name: /Krümel/ })
+  await expect(kruemelCard).toBeVisible()
+  await expect(kruemelCard).toContainText(`${t.detail.juvenileFields.colorVariety}: Agouti`)
+
+  // Pippa: GivenAway, Gold, goHomeDate 2025-05-01, Abnehmer Familie Huber
+  const pippaCard = page.getByRole('link', { name: /Pippa/ })
+  await expect(pippaCard).toBeVisible()
+  await expect(pippaCard).toContainText(`${t.detail.juvenileFields.colorVariety}: Gold`)
+  await expect(pippaCard).toContainText(t.detail.juvenileFields.goHomeDate)
+  await expect(pippaCard).toContainText(`${t.detail.juvenileFields.receiver}: Familie Huber`)
+
+  // Benny: Deceased, no colorVarietyId, dateOfDeath + causeOfDeath
+  const bennyCard = page.getByRole('link', { name: /Benny/ })
+  await expect(bennyCard).toBeVisible()
+  await expect(bennyCard).toContainText(t.detail.juvenileFields.dateOfDeath)
+  await expect(bennyCard).toContainText(`${t.detail.juvenileFields.causeOfDeath}: Altersschwäche`)
+})

gerbil-manager-web/e2e/litter-mortality.spec.ts

@@ -0,0 +1,46 @@
+/** LITTER-MORTALITY: deathsWithin8Weeks im Wurf-Formular und -Detail. */
+import { de, expect, skipUnlessMock, test, uniqueName } from './fixtures'
+
+const t = de.pages.litters
+
+test('Wurf-Detail zeigt Frühverluste wenn gesetzt', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/wuerfe/w-kruemel')
+  await expect(page.getByRole('heading', { name: 'Wurf K' })).toBeVisible()
+  // Frühverluste-Zeile im def-list: Label + Wert '1'
+  const mortalityRow = page.locator('.def-row', {
+    has: page.locator('dt', { hasText: t.fields.deathsWithin8Weeks }),
+  })
+  await expect(mortalityRow).toBeVisible()
+  await expect(mortalityRow.locator('dd')).toHaveText('1')
+})
+
+test('Wurf-Formular speichert Frühverluste und zeigt sie im Detail', async ({ page }) => {
+  skipUnlessMock()
+  const name = uniqueName('WurfM')
+  await page.goto('/wuerfe/neu')
+  await page.getByLabel(`${t.fields.name} *`).fill(name)
+  await page.getByLabel(`${t.fields.date} *`).fill('2026-01-10')
+
+  // Frühverluste eingeben
+  await page.getByLabel(t.fields.deathsWithin8Weeks).fill('2')
+  await expect(page.getByText(t.validation.deathsExceedTotalBorn)).not.toBeVisible()
+
+  await page.getByRole('button', { name: t.form.save, exact: true }).click()
+  await expect(page.getByRole('heading', { name })).toBeVisible()
+  // Frühverluste-Zeile im Detail
+  const mortalityRow = page.locator('.def-row', {
+    has: page.locator('dt', { hasText: t.fields.deathsWithin8Weeks }),
+  })
+  await expect(mortalityRow).toBeVisible()
+  await expect(mortalityRow.locator('dd')).toHaveText('2')
+})
+
+test('Frühverluste > Wurfstärke zeigt Warnmeldung', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/wuerfe/neu')
+
+  await page.getByLabel(t.fields.totalBorn).fill('3')
+  await page.getByLabel(t.fields.deathsWithin8Weeks).fill('5')
+  await expect(page.getByText(t.validation.deathsExceedTotalBorn)).toBeVisible()
+})

gerbil-manager-web/e2e/mock-data.ts

@@ -91,7 +91,7 @@ function gerbil(
     id,
     name,
     gender,
-    status: 'Active',
+    status: 'Breeding',
     dateOfBirth,
     dateOfDeath: null,
     causeOfDeath: null,
@@ -108,6 +108,7 @@ function gerbil(
     notes: null,
     // BESTAND-FILTER: default = eigener Bestand; einzelne externe Ahnen unten gesetzt.
     isResident: true,
+    profilePhotoUrl: null,
   }
 }
 
@@ -120,7 +121,7 @@ export function seedDb(): MockDb {
       originContactId: 'con-meier',
       originBreeder: 'Clan-Kleine-Chaoten',
     },
-    { ...gerbil('fridolin', 'Fridolin', 'male', '2023-05-01', 'w-fridolin', 'cv-schwarz', 'aa CC DD EE GG PP spsp rere'), enclosureId: 'enc-gross', originBreeder: 'Zoohandlung Meier' },
+    { ...gerbil('fridolin', 'Fridolin', 'male', '2023-05-01', 'w-fridolin', 'cv-schwarz', 'aa CC DD EE GG PP spsp rere'), enclosureId: 'enc-gross', originBreeder: 'Zoohandlung Meier', profilePhotoUrl: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg==' },
     gerbil('luna', 'Luna', 'female', '2023-08-15', 'w-luna', 'cv-gold', 'AA CC DD EE GG pp spsp rere'),
     gerbil('balu', 'Balu', 'male', '2021-04-20', 'w-balu', 'cv-agouti'),
     gerbil('maja', 'Maja', 'female', '2021-06-11', null, 'cv-schwarz-schecke', 'aa CC DD EE GG PP Spsp rere'),
@@ -151,12 +152,25 @@ export function seedDb(): MockDb {
       enclosureId: 'enc-leer',
       notes: 'neugieriger Entdecker',
     },
+    // LITTER-JUVENILE-DETAILS: Jungtiere für Wurf K mit Zusatzinfos.
+    {
+      ...gerbil('pup-abgabe', 'Pippa', 'female', '2025-03-12', 'w-kruemel', 'cv-gold'),
+      status: 'GivenAway' as const,
+      goHomeDate: '2025-05-01',
+      receiverContactId: 'con-huber',
+    },
+    {
+      ...gerbil('pup-verstorben', 'Benny', 'male', '2025-03-12', 'w-kruemel', null),
+      status: 'Deceased' as const,
+      dateOfDeath: '2025-04-15',
+      causeOfDeath: 'Altersschwäche',
+    },
     // UI-POLISH-1: Import-Stub ohne Namen — testet den '(ohne Namen)'-Platzhalter in Liste + Detail.
     gerbil('nameless-stub', '', 'male', '2023-01-01', null, null),
   ]
 
   const litters: Litter[] = [
-    { id: 'w-kruemel', name: 'Wurf K', date: '2025-03-12', totalBorn: 5, expectedGoHomeDate: '2025-04-16', notes: null, fatherId: 'fridolin', motherId: 'luna' },
+    { id: 'w-kruemel', name: 'Wurf K', date: '2025-03-12', totalBorn: 5, expectedGoHomeDate: '2025-04-16', notes: null, fatherId: 'fridolin', motherId: 'luna', deathsWithin8Weeks: 1 },
     { id: 'w-fridolin', name: 'Wurf F', date: '2023-05-01', totalBorn: 4, expectedGoHomeDate: null, notes: null, fatherId: 'balu', motherId: 'maja' },
     { id: 'w-luna', name: 'Wurf L', date: '2023-08-15', totalBorn: 6, expectedGoHomeDate: null, notes: null, fatherId: 'karlsson', motherId: 'smilla' },
     { id: 'w-balu', name: 'Wurf B', date: '2021-04-20', totalBorn: 3, expectedGoHomeDate: null, notes: null, fatherId: 'anton', motherId: 'greta' },

gerbil-manager-web/e2e/stammbaum.spec.ts

@@ -154,3 +154,20 @@ test('Gencode-Chip zeigt Genotyp statt Farbname (STAMMBAUM-GENCODE)', async ({ p
   const fridolinCard = page.locator('.pedigree-card').filter({ hasText: 'Fridolin' })
   await expect(fridolinCard.locator('.pedigree-chip')).toContainText('aa CC')
 })
+
+test('Tier mit Foto zeigt Avatar-Bild, Tier ohne Foto zeigt Rennmaus-Icon (STAMMBAUM-AVATAR)', async ({ page }) => {
+  skipUnlessMock()
+  // Fridolin hat profilePhotoUrl (data URI) → <img.pedigree-card__avatar> sichtbar
+  // Krümel hat profilePhotoUrl=null → kein img, SVG-Icon sichtbar
+  await page.goto('/rennmaeuse/kruemel/stammbaum')
+  await expect(page.locator('.pedigree-card').first()).toBeVisible()
+
+  // Fridolin ist Vater von Krümel → seine Karte enthält ein <img>
+  const fridolinCard = page.locator('.pedigree-card').filter({ hasText: 'Fridolin' })
+  await expect(fridolinCard.locator('img.pedigree-card__avatar')).toBeVisible()
+
+  // Krümel (root) hat kein Foto → SVG-Icon im Foto-Slot
+  const rootCard = page.locator('.pedigree-card.pedigree-card--root')
+  await expect(rootCard.locator('img.pedigree-card__avatar')).not.toBeAttached()
+  await expect(rootCard.locator('svg[role="img"]')).toBeVisible()
+})

gerbil-manager-web/e2e/status-model.spec.ts

@@ -0,0 +1,58 @@
+/** STATUS-MODEL: Zucht/Liebhaber wählbar; Verstorben/Abgegeben abgeleitet (read-only). */
+import { de, expect, skipUnlessMock, test, uniqueName } from './fixtures'
+
+const t = de.pages.gerbils
+
+test('Tier-Formular zeigt nur wählbare Statuswerte im Dropdown', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+  const statusField = page.locator('label.field', {
+    has: page.locator(`span:text-is("${t.fields.status}")`),
+  })
+  // Zucht (Breeding) ist vorausgewählt
+  await expect(statusField.locator('select')).toHaveValue('Breeding')
+  // Optionen: nur Zucht, Liebhaber, Abzugeben (NICHT Verstorben/Abgegeben)
+  const opts = statusField.locator('select option')
+  await expect(opts.filter({ hasText: t.statusLabels.Breeding })).toHaveCount(1)
+  await expect(opts.filter({ hasText: t.statusLabels.Pet })).toHaveCount(1)
+  await expect(opts.filter({ hasText: t.statusLabels.ForSale })).toHaveCount(1)
+  await expect(opts.filter({ hasText: t.statusLabels.Deceased })).toHaveCount(0)
+  await expect(opts.filter({ hasText: t.statusLabels.GivenAway })).toHaveCount(0)
+})
+
+test('Tier-Formular zeigt abgeleiteten Status Verstorben als Text + Hinweis', async ({ page }) => {
+  skipUnlessMock()
+  // Willi ist Deceased
+  await page.goto('/rennmaeuse/willi/bearbeiten')
+  // Status-Select ist NICHT vorhanden (abgeleitet)
+  const statusField = page.locator('.field', {
+    has: page.locator(`span:text-is("${t.fields.status}")`),
+  })
+  await expect(statusField).toBeVisible()
+  await expect(statusField.locator('select')).toHaveCount(0)
+  await expect(statusField).toContainText(t.statusLabels.Deceased)
+  await expect(statusField).toContainText(t.form.statusDerivedHint.Deceased)
+})
+
+test('Tiere-Liste zeigt Zucht als Standard-Status-Filter', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse')
+  const statusSelect = page
+    .locator('label.field', { has: page.locator(`span:text-is("${t.filters.status}")`) })
+    .locator('select')
+  await expect(statusSelect).toHaveValue('Breeding')
+})
+
+test('Neues Tier anlegen mit Status Liebhaber', async ({ page }) => {
+  skipUnlessMock()
+  const name = uniqueName('Tier')
+  await page.goto('/rennmaeuse/neu')
+  await page.getByLabel(`${t.fields.name} *`).fill(name)
+  await page.getByLabel(`${t.fields.gender} *`).selectOption({ label: t.genderLabels.male })
+  const statusField = page.locator('label.field', {
+    has: page.locator(`span:text-is("${t.fields.status}")`),
+  })
+  await statusField.locator('select').selectOption({ label: t.statusLabels.Pet })
+  await page.getByRole('button', { name: t.form.save, exact: true }).click()
+  await expect(page.getByRole('heading', { name })).toBeVisible()
+})

gerbil-manager-web/src/api/types.ts

@@ -10,9 +10,11 @@
 export type Gender = 'unknown' | 'male' | 'female'
 export const GENDERS: Gender[] = ['unknown', 'male', 'female']
 
-/** Gerbil.Status — C# enum { Active, Deceased, GivenAway, ForSale }. */
-export type GerbilStatus = 'Active' | 'Deceased' | 'GivenAway' | 'ForSale'
-export const GERBIL_STATUSES: GerbilStatus[] = ['Active', 'ForSale', 'Deceased', 'GivenAway']
+/** Gerbil.Status — C# enum { Breeding, Pet, Deceased, GivenAway, ForSale }. STATUS-MODEL: Active→Breeding (gated on Pam feature/status-model). */
+export type GerbilStatus = 'Breeding' | 'Pet' | 'Deceased' | 'GivenAway' | 'ForSale'
+export const GERBIL_STATUSES: GerbilStatus[] = ['Breeding', 'Pet', 'ForSale', 'Deceased', 'GivenAway']
+/** Statuses the user can pick freely in the form; Deceased+GivenAway are derived by the backend. */
+export const SELECTABLE_STATUSES: GerbilStatus[] = ['Breeding', 'Pet', 'ForSale']
 
 /** ISO date string "YYYY-MM-DD" (maps to C# DateOnly). */
 export type DateOnlyString = string
@@ -56,6 +58,8 @@ export interface Gerbil {
   isResident?: boolean
   /** FORM-FIELDS-1: true=gehörlos, false=hörend, null=unbekannt. */
   isDeaf?: boolean | null
+  /** STAMMBAUM-AVATAR: URL des Profilfotos (erstes Foto nach sortOrder); null = kein Foto. API-relativ oder absolut. */
+  profilePhotoUrl?: string | null
 }
 
 /** Payload for POST /gerbils. */
@@ -122,6 +126,8 @@ export interface Litter {
   notes?: string | null
   fatherId: string | null
   motherId: string | null
+  /** LITTER-MORTALITY: pups that died within the first 8 weeks. */
+  deathsWithin8Weeks?: number | null
 }
 
 /** Payload for POST /litters. */
@@ -133,6 +139,7 @@ export interface CreateLitter {
   notes?: string | null
   fatherId?: string | null
   motherId?: string | null
+  deathsWithin8Weeks?: number | null
 }
 
 export type UpdateLitter = Partial<CreateLitter>

gerbil-manager-web/src/pages/GerbilFormPage.tsx

@@ -3,10 +3,10 @@ import { Link, useNavigate, useParams, useSearchParams } from 'react-router-dom'
 import { de } from '../strings/de'
 import { createGerbil, getGerbil, updateGerbil } from '../api/gerbils'
 import { listColorVarieties, listContacts, listEnclosures, listLitters } from '../api/lookups'
-import { GENDERS, GERBIL_STATUSES, type CreateGerbil, type Gender, type GerbilStatus } from '../api/types'
+import { GENDERS, SELECTABLE_STATUSES, type CreateGerbil, type Gender, type GerbilStatus } from '../api/types'
 import { useApi, useMutation } from '../hooks/useApi'
 import { genderLabel, statusLabel } from '../format/labels'
-import { fromDisplayString } from '../genetics'
+import { fromDisplayString, genotypeToFarbschlag, UNKNOWN_FARBSCHLAG } from '../genetics'
 import FarbschlagImage from '../components/FarbschlagImage'
 import NameSuggestPanel from '../components/NameSuggestPanel'
 import '../components/NameSuggestPanel.css'
@@ -34,7 +34,7 @@ interface FormState {
 const EMPTY: FormState = {
   name: '',
   gender: '',
-  status: 'Active',
+  status: 'Breeding',
   dateOfBirth: '',
   dateOfDeath: '',
   causeOfDeath: '',
@@ -245,16 +245,29 @@ export default function GerbilFormPage() {
           {errors.gender && <small className="error-text">{errors.gender}</small>}
         </label>
 
-        <label className="field">
-          <span>{t.fields.status}</span>
-          <select value={form.status} onChange={(e) => set('status', e.target.value as GerbilStatus)}>
-            {GERBIL_STATUSES.map((s) => (
-              <option key={s} value={s}>
-                {statusLabel(s)}
-              </option>
-            ))}
-          </select>
-        </label>
+        {/* STATUS-MODEL: Deceased/GivenAway are derived by the backend — show as read-only with hint */}
+        {form.status === 'Deceased' || form.status === 'GivenAway' ? (
+          <div className="field">
+            <span>{t.fields.status}</span>
+            <span className="muted">
+              {statusLabel(form.status)}
+              <small className="muted" style={{ marginLeft: '0.5rem' }}>
+                ({t.form.statusDerivedHint[form.status]})
+              </small>
+            </span>
+          </div>
+        ) : (
+          <label className="field">
+            <span>{t.fields.status}</span>
+            <select value={form.status} onChange={(e) => set('status', e.target.value as GerbilStatus)}>
+              {SELECTABLE_STATUSES.map((s) => (
+                <option key={s} value={s}>
+                  {statusLabel(s)}
+                </option>
+              ))}
+            </select>
+          </label>
+        )}
 
         <label className="field">
           <span>{t.fields.dateOfBirth}</span>
@@ -307,7 +320,14 @@ export default function GerbilFormPage() {
           <span className="farbschlag-value">
             <select
               value={form.colorVarietyId}
-              onChange={(e) => set('colorVarietyId', e.target.value)}
+              onChange={(e) => {
+                const newId = e.target.value
+                set('colorVarietyId', newId)
+                if (newId) {
+                  const variety = (colorVarieties.data ?? []).find((cv) => cv.id === newId)
+                  if (variety?.canonicalGenotype) set('genotype', variety.canonicalGenotype)
+                }
+              }}
             >
               <option value="">{t.form.none}</option>
               {(colorVarieties.data ?? []).map((cv) => (
@@ -387,7 +407,23 @@ export default function GerbilFormPage() {
             className="input"
             value={form.genotype}
             placeholder="Aa CC Dd EE GG Pp Spsp rere"
-            onChange={(e) => set('genotype', e.target.value)}
+            onChange={(e) => {
+              const val = e.target.value
+              set('genotype', val)
+              if (val.trim() !== '' && isGenotypeValid(val)) {
+                try {
+                  const name = genotypeToFarbschlag(fromDisplayString(val))
+                  if (name === UNKNOWN_FARBSCHLAG) {
+                    set('colorVarietyId', '')
+                  } else {
+                    const match = (colorVarieties.data ?? []).find((cv) => cv.name === name)
+                    set('colorVarietyId', match?.id ?? '')
+                  }
+                } catch {
+                  // invalid while typing — leave colorVarietyId unchanged
+                }
+              }
+            }}
             aria-invalid={Boolean(errors.genotype)}
           />
           <small className={errors.genotype ? 'error-text' : 'muted'}>

gerbil-manager-web/src/pages/GerbilsPage.tsx

@@ -29,7 +29,7 @@ const SORT_ORDER_BY: Record<SortKey, string> = {
 export default function GerbilsPage() {
   const t = de.pages.gerbils
   const [search, setSearch] = useState('')
-  const [status, setStatus] = useState<GerbilStatus | ''>('Active')
+  const [status, setStatus] = useState<GerbilStatus | ''>('Breeding')
   const [gender, setGender] = useState<Gender | ''>('')
   const [colorVarietyId, setColorVarietyId] = useState('')
   const [originBreeder, setOriginBreeder] = useState('')
@@ -64,7 +64,7 @@ export default function GerbilsPage() {
 
   const resetFilters = () => {
     setSearch('')
-    setStatus('Active')
+    setStatus('Breeding')
     setGender('')
     setColorVarietyId('')
     setOriginBreeder('')
@@ -85,7 +85,7 @@ export default function GerbilsPage() {
 
   // UX-MOBILE-1: count non-default filter values for the badge.
   const activeFilterCount =
-    (status !== 'Active' ? 1 : 0) +
+    (status !== 'Breeding' ? 1 : 0) +
     (gender !== '' ? 1 : 0) +
     (colorVarietyId !== '' ? 1 : 0) +
     (originBreeder !== '' ? 1 : 0) +

gerbil-manager-web/src/pages/StammbaumPage.tsx

@@ -21,7 +21,7 @@ import { Link, useNavigate, useParams } from 'react-router-dom'
 import Tree from 'react-d3-tree'
 import type { CustomNodeElementProps, Point, RawNodeDatum } from 'react-d3-tree'
 import { de } from '../strings/de'
-import { ApiError } from '../api/client'
+import { API_BASE_URL, ApiError } from '../api/client'
 import { listLitters } from '../api/litters'
 import { listColorVarieties } from '../api/lookups'
 import { getInbreedingCoefficient } from '../api/pedigree'
@@ -381,6 +381,14 @@ function PedigreeCard({
   const g = node.gerbil
   const chip = farbschlag ? chipColorFor(farbschlag) : null
   const dob = g.dateOfBirth ? formatDate(g.dateOfBirth) : null
+  const [imgError, setImgError] = useState(false)
+  useEffect(() => setImgError(false), [g.id])
+  const photoUrl =
+    !imgError && g.profilePhotoUrl
+      ? /^(https?:|data:|\/\/)/.test(g.profilePhotoUrl)
+        ? g.profilePhotoUrl
+        : `${API_BASE_URL}${g.profilePhotoUrl}`
+      : null
   return (
     <div
       className={isRoot ? 'pedigree-card pedigree-card--root' : 'pedigree-card'}
@@ -388,9 +396,17 @@ function PedigreeCard({
       role={isRoot ? undefined : 'button'}
       title={isRoot ? undefined : t.tapHint}
     >
-      {/* Foto-Platzhalter — echte Fotos kommen mit FEAT-6. */}
-      <div className="pedigree-card__photo" aria-hidden="true">
-        <GerbilIcon size="1.6rem" />
+      <div className="pedigree-card__photo" aria-hidden={!photoUrl || undefined}>
+        {photoUrl ? (
+          <img
+            src={photoUrl}
+            alt={g.name || ''}
+            className="pedigree-card__avatar"
+            onError={() => setImgError(true)}
+          />
+        ) : (
+          <GerbilIcon size="1.6rem" aria-hidden="true" />
+        )}
       </div>
       <div className="pedigree-card__body">
         <div className="pedigree-card__name">

gerbil-manager-web/src/pages/WurfDetailPage.tsx

@@ -1,13 +1,14 @@
-import { useMemo } from 'react'
+import { useCallback, useMemo } from 'react'
 import { Link, useParams } from 'react-router-dom'
 import { de } from '../strings/de'
 import { getLitter } from '../api/litters'
 import { getGerbil, listGerbils } from '../api/gerbils'
+import { listColorVarieties, listContacts } from '../api/lookups'
 import { condition } from '../api/gridify'
 import { useApi } from '../hooks/useApi'
-import { formatDate } from '../format/labels'
+import { formatDate, genderLabel } from '../format/labels'
 import { isValidGenotype } from '../format/genotypeText'
-import { breed, fromDisplayString, type BreedingResult } from '../genetics'
+import { breed, fromDisplayString, genotypeToFarbschlag, UNKNOWN_FARBSCHLAG, type BreedingResult } from '../genetics'
 import BreedingResultView from '../components/BreedingResultView'
 
 export default function WurfDetailPage() {
@@ -43,6 +44,38 @@ export default function WurfDetailPage() {
     return breed(fromDisplayString(fg), fromDisplayString(mg))
   }, [father.data, mother.data])
 
+  // Farbschlag + Abnehmer lookups for the juvenile list.
+  const colorVarieties = useApi(() => listColorVarieties(), [])
+  const contacts = useApi(() => listContacts(), [])
+
+  const colorNameById = useMemo(
+    () => new Map((colorVarieties.data ?? []).map((c) => [c.id, c.name])),
+    [colorVarieties.data],
+  )
+  const contactNameById = useMemo(
+    () => new Map((contacts.data ?? []).map((c) => [c.id, c.name])),
+    [contacts.data],
+  )
+
+  const farbschlagOf = useCallback(
+    (g: { colorVarietyId: string | null; genotype: string | null }): string | null => {
+      if (g.colorVarietyId) {
+        const name = colorNameById.get(g.colorVarietyId)
+        if (name) return name
+      }
+      if (g.genotype?.trim()) {
+        try {
+          const name = genotypeToFarbschlag(fromDisplayString(g.genotype))
+          return name === UNKNOWN_FARBSCHLAG ? null : name
+        } catch {
+          return null
+        }
+      }
+      return null
+    },
+    [colorNameById],
+  )
+
   if (litter.loading) return <p className="muted">{de.common.loading}</p>
   if (litter.error || !litter.data) {
     return (
@@ -92,6 +125,12 @@ export default function WurfDetailPage() {
             {l.totalBorn != null ? ` / ${l.totalBorn}` : ''}
           </dd>
         </div>
+        {l.deathsWithin8Weeks != null && (
+          <div className="def-row">
+            <dt>{t.fields.deathsWithin8Weeks}</dt>
+            <dd>{l.deathsWithin8Weeks}</dd>
+          </div>
+        )}
         <div className="def-row">
           <dt>{t.fields.expectedGoHomeDate}</dt>
           <dd>{formatDate(l.expectedGoHomeDate)}</dd>
@@ -117,14 +156,24 @@ export default function WurfDetailPage() {
       {!juveniles.loading && registered === 0 && <p className="muted">{t.detail.noJuveniles}</p>}
       {registered > 0 && (
         <ul className="card-list">
-          {(juveniles.data?.items ?? []).map((g) => (
-            <li key={g.id}>
-              <Link to={`/rennmaeuse/${g.id}`} className="gerbil-card">
-                <span className="gerbil-card__name">{g.name}</span>
-                <span className="gerbil-card__meta">{de.pages.gerbils.genderLabels[g.gender]}</span>
-              </Link>
-            </li>
-          ))}
+          {(juveniles.data?.items ?? []).map((g) => {
+            const farbe = farbschlagOf(g)
+            const receiver = g.receiverContactId ? contactNameById.get(g.receiverContactId) : null
+            const tJf = t.detail.juvenileFields
+            return (
+              <li key={g.id}>
+                <Link to={`/rennmaeuse/${g.id}`} className="gerbil-card">
+                  <span className="gerbil-card__name">{g.name}</span>
+                  <span className="gerbil-card__meta">{genderLabel(g.gender)}</span>
+                  {farbe && <span className="gerbil-card__meta">{tJf.colorVariety}: {farbe}</span>}
+                  {g.goHomeDate && <span className="gerbil-card__meta">{tJf.goHomeDate}: {formatDate(g.goHomeDate)}</span>}
+                  {receiver && <span className="gerbil-card__meta">{tJf.receiver}: {receiver}</span>}
+                  {g.dateOfDeath && <span className="gerbil-card__meta">{tJf.dateOfDeath}: {formatDate(g.dateOfDeath)}</span>}
+                  {g.causeOfDeath && <span className="gerbil-card__meta">{tJf.causeOfDeath}: {g.causeOfDeath}</span>}
+                </Link>
+              </li>
+            )
+          })}
         </ul>
       )}
 

gerbil-manager-web/src/pages/WurfFormPage.tsx

@@ -16,6 +16,7 @@ interface FormState {
   motherId: string
   motherName: string
   totalBorn: string
+  deathsWithin8Weeks: string
   expectedGoHomeDate: string
   notes: string
 }
@@ -28,6 +29,7 @@ const EMPTY: FormState = {
   motherId: '',
   motherName: '',
   totalBorn: '',
+  deathsWithin8Weeks: '',
   expectedGoHomeDate: '',
   notes: '',
 }
@@ -75,6 +77,7 @@ export default function WurfFormPage() {
       motherId: l.motherId ?? '',
       motherName: l.motherId ? (nameById.get(l.motherId) || de.pages.gerbils.nameless) : '',
       totalBorn: l.totalBorn != null ? String(l.totalBorn) : '',
+      deathsWithin8Weeks: l.deathsWithin8Weeks != null ? String(l.deathsWithin8Weeks) : '',
       expectedGoHomeDate: l.expectedGoHomeDate ?? '',
       notes: l.notes ?? '',
     })
@@ -109,12 +112,14 @@ export default function WurfFormPage() {
     e.preventDefault()
     if (!validate()) return
     const totalBornNum = form.totalBorn.trim() === '' ? null : Number(form.totalBorn)
+    const deathsNum = form.deathsWithin8Weeks.trim() === '' ? null : Number(form.deathsWithin8Weeks)
     const body: CreateLitter = {
       name: form.name.trim(),
       date: form.date,
       fatherId: nn(form.fatherId),
       motherId: nn(form.motherId),
       totalBorn: totalBornNum != null && Number.isFinite(totalBornNum) ? totalBornNum : null,
+      deathsWithin8Weeks: deathsNum != null && Number.isFinite(deathsNum) ? deathsNum : null,
       expectedGoHomeDate: nn(form.expectedGoHomeDate),
       notes: nn(form.notes),
     }
@@ -215,6 +220,26 @@ export default function WurfFormPage() {
           />
         </label>
 
+        <label className="field">
+          <span>{t.fields.deathsWithin8Weeks}</span>
+          <input
+            type="number"
+            min="0"
+            className="input"
+            value={form.deathsWithin8Weeks}
+            onChange={(e) => set('deathsWithin8Weeks', e.target.value)}
+          />
+          {(() => {
+            const d = Number(form.deathsWithin8Weeks)
+            const tb = Number(form.totalBorn)
+            return form.deathsWithin8Weeks.trim() !== '' &&
+              form.totalBorn.trim() !== '' &&
+              d > tb ? (
+              <small className="error-text">{t.validation.deathsExceedTotalBorn}</small>
+            ) : null
+          })()}
+        </label>
+
         <label className="field">
           <span>{t.fields.expectedGoHomeDate}</span>
           <input

gerbil-manager-web/src/pages/stammbaum.css

@@ -236,6 +236,7 @@
   width: 42px;
   height: 42px;
   border-radius: 50%;
+  overflow: hidden;
   background: var(--color-accent-soft);
   display: flex;
   align-items: center;
@@ -243,6 +244,13 @@
   font-size: 1.4rem;
 }
 
+.pedigree-card__avatar {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+
 .pedigree-card__body {
   min-width: 0;
   display: flex;

gerbil-manager-web/src/pedigree/__tests__/build.test.ts

@@ -22,7 +22,7 @@ function makeGerbil(id: string, name: string, litterId: string | null = null): G
     id,
     name,
     gender: 'unknown',
-    status: 'Active',
+    status: 'Breeding',
     dateOfBirth: null,
     dateOfDeath: null,
     causeOfDeath: null,

gerbil-manager-web/src/statistics/__tests__/aggregate.test.ts

@@ -27,7 +27,7 @@ function makeGerbil(over: Partial<Gerbil> & { id: string }): Gerbil {
   return {
     name: over.id,
     gender: 'unknown',
-    status: 'Active' as GerbilStatus,
+    status: 'Breeding' as GerbilStatus,
     dateOfBirth: null,
     dateOfDeath: null,
     causeOfDeath: null,

gerbil-manager-web/src/statistics/aggregate.ts

@@ -83,7 +83,7 @@ export function farbschlagDistribution(
 ): NameCount[] {
   const byName = new Map<string | null, number>()
   for (const g of gerbils) {
-    if (g.status !== 'Active') continue
+    if (g.status !== 'Breeding' && g.status !== 'Pet') continue
     const name = resolveName(g)
     byName.set(name, (byName.get(name) ?? 0) + 1)
   }

gerbil-manager-web/src/strings/de.ts

@@ -124,6 +124,11 @@ export const de = {
         isDeafUnknown: 'Unbekannt',
         isDeafYes: 'Ja',
         isDeafNo: 'Nein',
+        // STATUS-MODEL: Hinweis für abgeleitete Statuswerte
+        statusDerivedHint: {
+          Deceased: 'Wird automatisch gesetzt wenn Todesdatum erfasst.',
+          GivenAway: 'Wird automatisch gesetzt nach Abgabe.',
+        },
         save: 'Speichern',
         cancel: 'Abbrechen',
         saving: 'Speichern …',
@@ -141,8 +146,10 @@ export const de = {
         male: 'Männlich',
         female: 'Weiblich',
       },
+      // STATUS-MODEL: Breeding/Pet ersetzen Active; Deceased+GivenAway = abgeleitet (Backend)
       statusLabels: {
-        Active: 'Aktiv',
+        Breeding: 'Zucht',
+        Pet: 'Liebhaber',
         Deceased: 'Verstorben',
         GivenAway: 'Abgegeben',
         ForSale: 'Zur Abgabe',
@@ -172,6 +179,7 @@ export const de = {
         father: 'Vater',
         mother: 'Mutter',
         totalBorn: 'Wurfstärke',
+        deathsWithin8Weeks: 'In den ersten 8 Wochen verstorben',
         expectedGoHomeDate: 'Voraussichtliches Abgabedatum',
         notes: 'Notizen',
       },
@@ -189,6 +197,14 @@ export const de = {
         edit: 'Bearbeiten',
         back: 'Zurück zur Liste',
         notFound: 'Dieser Wurf wurde nicht gefunden.',
+        // LITTER-JUVENILE-DETAILS: pro-Jungtier-Felder
+        juvenileFields: {
+          colorVariety: 'Farbschlag',
+          goHomeDate: 'Abgegeben',
+          receiver: 'Abnehmer',
+          dateOfDeath: 'Verstorben',
+          causeOfDeath: 'Todesursache',
+        },
       },
       // Formular
       form: {
@@ -204,6 +220,7 @@ export const de = {
         nameRequired: 'Bitte eine Bezeichnung eingeben.',
         dateRequired: 'Bitte ein Wurfdatum angeben.',
         invalidParentGender: 'Der Vater muss männlich und die Mutter weiblich sein.',
+        deathsExceedTotalBorn: 'Die Anzahl der Frühverluste darf die Wurfstärke nicht überschreiten.',
       },
       // Zuchtpaar-Übersicht
       pairs: {