NAMEGEN-2-FE: 5 neue Namenskategorien (Disney, Pokémon, Englische/Kroatische Städte, US-Bundesstaaten)

- NAMEGEN_USAGES: +disney, +pokemon, +encities, +hrcities, +usstates (jetzt 10 Einträge)
- names.test.ts: Count-Test 5→10, neue toContain-Checks für alle 5 Codes

Gate: vitest 107/107, e2e 160/160, tsc clean

.gitea/workflows/ci.yml

@@ -48,6 +48,26 @@ jobs:
       - name: Build
         run: dotnet build GerbilManager.slnx --no-restore -c Release
 
+      - name: dotnet-ef Tool installieren
+        # 'tool update' ist idempotent (installiert wenn fehlend, sonst aktualisiert) —
+        # auf dem SELF-HOSTED Runner persistieren --global Tools, daher schlug 'tool install'
+        # ab dem 2. Lauf mit 'already installed' fehl und kippte den Backend-Job.
+        # GITHUB_PATH-Zeile: global tools landen in ~/.dotnet/tools, das auf dem Runner-Container
+        # nicht im PATH ist — einmalig eintragen, damit alle Folge-Steps 'dotnet ef' finden.
+        run: |
+          dotnet tool update --global dotnet-ef --version 10.0.*
+          echo "$HOME/.dotnet/tools" >> $GITHUB_PATH
+
+      - name: DB-3 EF Migrations Drift-Check
+        # Fails CI if the EF model diverges from the snapshot (i.e. a code change touched
+        # entities/OnModelCreating without generating a matching migration). Catches exactly
+        # the class of drift the SQLite/EnsureCreated test host is blind to.
+        run: >
+          dotnet ef migrations has-pending-model-changes
+          --project GerbilManagerWebAPI
+          --startup-project GerbilManagerWebAPI
+          --no-build --configuration Release
+
       - name: Tests ausfuehren
         run: dotnet test GerbilManager.slnx --no-build -c Release --logger "console;verbosity=normal"
 

.gitignore

@@ -131,6 +131,9 @@ $RECYCLE.BIN/
 # MemPalace per-project files (issue #185)
 mempalace.yaml
 entities.json
-
-# Runtime photo store (uploaded/imported gerbil photos) — never commit
-GerbilManagerWebAPI/photo-storage/
+
+# Runtime photo store (uploaded/imported gerbil photos) — never commit
+GerbilManagerWebAPI/photo-storage/
+
+# AR-3: Data Protection key ring (dev-only ephemeral keys) — never commit
+GerbilManagerWebAPI/.data-protection-keys/

GerbilManager.Tests/ImportServiceTests.cs

@@ -103,6 +103,31 @@ namespace GerbilManager.Tests
             Assert.Equal(2, await db.Litters.CountAsync());
         }
 
+        [Fact]
+        public async Task DB5_Litter_ExternalRef_set_and_used_for_idempotency()
+        {
+            // DB-5: litters must have ExternalRef set to the source litter id on first import,
+            // and subsequent runs must detect them via ExternalRef (not just Name+Date).
+            using var db = NewDb();
+            await new ImportService(db, _dir, _dir).RunAsync(execute: true);
+
+            // ExternalRef is set on created litters
+            var litters = await db.Litters.ToListAsync();
+            Assert.All(litters, l => Assert.NotNull(l.ExternalRef));
+            Assert.Contains(litters, l => l.ExternalRef == "L1");
+            Assert.Contains(litters, l => l.ExternalRef == "L2");
+
+            // Simulate the "Name+Date lookup would still work, but ExternalRef is now primary":
+            // mutate Name to something different — Name+Date fallback would fail, ExternalRef must catch it.
+            foreach (var l in litters) l.Name = "Geänderter Name";
+            await db.SaveChangesAsync();
+
+            // Re-import: litters detected as existing via ExternalRef even though Name changed
+            var second = await new ImportService(db, _dir, _dir).RunAsync(execute: true);
+            Assert.Equal(0, second.Litters.Created);
+            Assert.Equal(2, await db.Litters.CountAsync());
+        }
+
         [Fact]
         public async Task Execute_persists_deaf_flag_and_preserves_sls_and_tags()
         {
@@ -580,6 +605,74 @@ namespace GerbilManager.Tests
             Assert.Equal(new DateOnly(y, m, d), date);
         }
 
+        [Fact]
+        public async Task CR9_NameDOB_drift_falls_back_to_ExternalRef_no_throw()
+        {
+            // CR-9: if an already-imported animal's Name or DOB in animals.json no longer matches
+            // what's stored in the DB (e.g. after a correctDob remap or manual UI rename), the
+            // gidByNameDob lookup used to throw KeyNotFoundException. Now it falls back to the
+            // stable ExternalRef without throwing.
+            var dir = Path.Combine(Path.GetTempPath(), "cr9-" + Guid.NewGuid().ToString("N"));
+            Directory.CreateDirectory(dir);
+            try
+            {
+                File.WriteAllText(Path.Combine(dir, "litters.json"), "[]");
+                File.WriteAllText(Path.Combine(dir, "animals.json"), """
+                [{"id":"drift","name":"Drift Tier","dob":"01.01.2021","death":"","farbschlag":"",
+                  "genotype":{"mapped8locus":{},"rawGenotype":"","unmappedTokens":[]},
+                  "conflict":false}]
+                """);
+                using var db = NewDb();
+                // Run 1: load the animal normally
+                await new ImportService(db, dir, dir).RunAsync(execute: true);
+                Assert.Equal(1, await db.Gerbils.CountAsync());
+
+                // Simulate drift: manually rename the animal in the DB (UI rename scenario)
+                var g = await db.Gerbils.SingleAsync(x => x.ExternalRef == "drift");
+                g.Name = "Umbenannt Tier";
+                await db.SaveChangesAsync();
+
+                // Run 2: animals.json still has old name "Drift Tier" — must NOT throw
+                var report2 = await new ImportService(db, dir, dir).RunAsync(execute: false);
+                // Dry-run should complete without throwing; animal is found by ExternalRef fallback
+                Assert.Equal(1, await db.Gerbils.CountAsync());   // no duplicate created
+            }
+            finally { try { Directory.Delete(dir, recursive: true); } catch { } }
+        }
+
+        [Fact]
+        public async Task CR11_ColorVariety_derived_from_genotype_when_no_explicit_farbschlag()
+        {
+            // CR-11: deep-band animals have empty Farbschlag but a full genotype. The loader
+            // must derive ColorVarietyId from the catalog when the name-match yields nothing.
+            // "Agouti" = aa CC DD EE GG PP spsp rere (first seed entry, ID 00000001).
+            var dir = Path.Combine(Path.GetTempPath(), "cr11-" + Guid.NewGuid().ToString("N"));
+            Directory.CreateDirectory(dir);
+            try
+            {
+                File.WriteAllText(Path.Combine(dir, "litters.json"), "[]");
+                // Exact Agouti genotype, no explicit Farbschlag name
+                File.WriteAllText(Path.Combine(dir, "animals.json"), """
+                [{"id":"agouti-deep","name":"Opa Waldmann","dob":"01.01.2018","death":"","farbschlag":"",
+                  "genotype":{"mapped8locus":{"A":["a","a"],"C":["C","C"],"D":["D","D"],"E":["E","E"],"G":["G","G"],"P":["P","P"],"Sp":["sp","sp"],"Re":["re","re"]},
+                              "rawGenotype":"aa CC DD EE GG PP spsp rere","unmappedTokens":[]},
+                  "conflict":false}]
+                """);
+                using var db = NewDb();
+                var report = await new ImportService(db, dir, dir).RunAsync(execute: true);
+
+                var tier = await db.Gerbils.SingleAsync(g => g.ExternalRef == "agouti-deep");
+                // ColorVarietyId must be set even though no explicit Farbschlag name was given
+                Assert.NotNull(tier.ColorVarietyId);
+                // Should be the "Agouti" variety (id = 00000000-0000-0000-0000-000000000001)
+                var variety = await db.ColorVarieties.FindAsync(tier.ColorVarietyId);
+                Assert.Equal("Agouti", variety!.Name);
+                // Report counter should reflect the genotype derivation
+                Assert.True(report.Animals.FarbschlagDerivedFromGenotype > 0);
+            }
+            finally { try { Directory.Delete(dir, recursive: true); } catch { } }
+        }
+
         // ---- fixtures ----
         private const string LittersJson = """
         [

GerbilManager.Tests/NameSuggestionTests.cs

@@ -0,0 +1,208 @@
+using System.Net;
+using System.Text;
+using System.Text.Json;
+using GerbilManagerWebAPI.Names;
+using GerbilManagerWebAPI.SaleAd;
+using Microsoft.Extensions.Options;
+
+namespace GerbilManager.Tests
+{
+    /// <summary>
+    /// FEAT-NAMEGEN: NameSuggestionService — prompt assembly, JSON parse (incl. Markdown
+    /// fence strip), 503-not-configured path, upstream-error path.
+    /// </summary>
+    public class NameSuggestionTests
+    {
+        // ── Prompt assembly ───────────────────────────────────────────────────
+
+        [Fact]
+        public void SystemPrompt_verlangt_reines_JSON_ohne_Erklärungen()
+        {
+            var prompt = NameSuggestionService.BuildSystemPrompt();
+            Assert.Contains("reinen JSON-Array", prompt);
+            Assert.Contains("KEINE Markdown-Code-Blöcke", prompt);
+            Assert.Contains("name", prompt);
+            Assert.Contains("meaning", prompt);
+            Assert.Contains("origin", prompt);
+        }
+
+        [Fact]
+        public void UserPrompt_enthält_Anzahl_und_Anfangsbuchstaben()
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt("A", "female", "norn,mythg", 6);
+            Assert.Contains("6", prompt);
+            Assert.Contains("\"A\"", prompt);
+            Assert.Contains("weibliche", prompt);
+            Assert.Contains("norn,mythg", prompt);
+        }
+
+        [Fact]
+        public void UserPrompt_ohne_optionale_Parameter_ist_gültig()
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt(null, null, null, 5);
+            Assert.Contains("5", prompt);
+            Assert.DoesNotContain("Buchstaben", prompt);
+            Assert.DoesNotContain("weibliche", prompt);
+            Assert.DoesNotContain("männliche", prompt);
+        }
+
+        [Fact]
+        public void UserPrompt_gender_any_wird_nicht_im_Prompt_erwähnt()
+        {
+            var prompt = NameSuggestionService.BuildUserPrompt(null, "any", null, 3);
+            Assert.DoesNotContain("weibliche", prompt);
+            Assert.DoesNotContain("männliche", prompt);
+        }
+
+        // ── JSON parsing ──────────────────────────────────────────────────────
+
+        [Fact]
+        public void ParseSuggestions_verarbeitet_reines_JSON()
+        {
+            var json = """[{"name":"Astrid","meaning":"göttliche Stärke","origin":"Altnordisch"}]""";
+            var result = NameSuggestionService.ParseSuggestions(json);
+            Assert.NotNull(result);
+            Assert.Single(result);
+            Assert.Equal("Astrid", result[0].Name);
+            Assert.Equal("göttliche Stärke", result[0].Meaning);
+            Assert.Equal("Altnordisch", result[0].Origin);
+        }
+
+        [Fact]
+        public void ParseSuggestions_strippt_json_Markdown_Fence()
+        {
+            var fenced = "```json\n[{\"name\":\"Aiko\",\"meaning\":\"kleine Geliebte\",\"origin\":\"Japanisch\"}]\n```";
+            var result = NameSuggestionService.ParseSuggestions(fenced);
+            Assert.NotNull(result);
+            Assert.Equal("Aiko", result![0].Name);
+        }
+
+        [Fact]
+        public void ParseSuggestions_strippt_generische_Markdown_Fence()
+        {
+            var fenced = "```\n[{\"name\":\"Luna\",\"meaning\":\"Mond\",\"origin\":\"Lateinisch\"}]\n```";
+            var result = NameSuggestionService.ParseSuggestions(fenced);
+            Assert.NotNull(result);
+            Assert.Equal("Luna", result![0].Name);
+        }
+
+        [Fact]
+        public void ParseSuggestions_toleriert_umgebenden_Text_vor_Array()
+        {
+            var messy = "Hier sind die Namen:\n[{\"name\":\"Sol\",\"meaning\":\"Sonne\",\"origin\":\"Nordisch\"}]\nHoffnungslos.";
+            var result = NameSuggestionService.ParseSuggestions(messy);
+            Assert.NotNull(result);
+            Assert.Equal("Sol", result![0].Name);
+        }
+
+        [Fact]
+        public void ParseSuggestions_gibt_null_zurück_bei_ungültigem_JSON()
+        {
+            Assert.Null(NameSuggestionService.ParseSuggestions("kein json"));
+            Assert.Null(NameSuggestionService.ParseSuggestions("{\"name\":\"X\"}"));
+            Assert.Null(NameSuggestionService.ParseSuggestions(""));
+        }
+
+        // ── 503: nicht konfiguriert ───────────────────────────────────────────
+
+        [Theory]
+        [InlineData(null, "key", "model")]
+        [InlineData("https://api.example.com/v1", null, "model")]
+        [InlineData("https://api.example.com/v1", "key", null)]
+        [InlineData(null, null, null)]
+        public async Task SuggestAsync_gibt_NotConfigured_wenn_AI_Key_fehlt(
+            string? baseUrl, string? apiKey, string? model)
+        {
+            var service = CreateService(baseUrl, apiKey, model,
+                new StubHandler(_ => throw new InvalidOperationException("darf nicht aufgerufen werden")));
+
+            var result = await service.SuggestAsync(null, null, null, 5);
+
+            Assert.Equal(NameSuggestionStatus.NotConfigured, result.Status);
+            Assert.Null(result.Suggestions);
+        }
+
+        // ── Gemini-Antwort wird geparst ───────────────────────────────────────
+
+        [Fact]
+        public async Task SuggestAsync_parst_valide_JSON_Antwort()
+        {
+            var payload = """[{"name":"Astrid","meaning":"göttliche Stärke","origin":"Altnordisch"},{"name":"Aiko","meaning":"kleine Geliebte","origin":"Japanisch"}]""";
+            var handler = new StubHandler(_ => Canned(payload));
+            var service = CreateService("https://generativelanguage.googleapis.com/v1beta/openai", "k", "gemini-2.0-flash", handler);
+
+            var result = await service.SuggestAsync("A", "female", "norn,japa", 2);
+
+            Assert.Equal(NameSuggestionStatus.Ok, result.Status);
+            Assert.NotNull(result.Suggestions);
+            Assert.Equal(2, result.Suggestions!.Count);
+            Assert.Equal("Astrid", result.Suggestions[0].Name);
+        }
+
+        [Fact]
+        public async Task SuggestAsync_parst_JSON_in_Markdown_Fence()
+        {
+            var fenced = "```json\n[{\"name\":\"Luna\",\"meaning\":\"Mond\",\"origin\":\"Lateinisch\"}]\n```";
+            var handler = new StubHandler(_ => Canned(fenced));
+            var service = CreateService("https://api.example.com/v1", "k", "m", handler);
+
+            var result = await service.SuggestAsync(null, null, null, 1);
+
+            Assert.Equal(NameSuggestionStatus.Ok, result.Status);
+            Assert.Equal("Luna", result.Suggestions![0].Name);
+        }
+
+        [Fact]
+        public async Task SuggestAsync_gibt_UpstreamError_bei_ungültigem_JSON()
+        {
+            var handler = new StubHandler(_ => Canned("das ist kein json"));
+            var service = CreateService("https://api.example.com/v1", "k", "m", handler);
+
+            var result = await service.SuggestAsync(null, null, null, 3);
+
+            Assert.Equal(NameSuggestionStatus.UpstreamError, result.Status);
+            Assert.Null(result.Suggestions);
+        }
+
+        [Fact]
+        public async Task SuggestAsync_gibt_UpstreamError_bei_HTTP_Fehler()
+        {
+            var handler = new StubHandler(_ => new HttpResponseMessage(HttpStatusCode.TooManyRequests));
+            var service = CreateService("https://api.example.com/v1", "k", "m", handler);
+
+            var result = await service.SuggestAsync(null, null, null, 3);
+
+            Assert.Equal(NameSuggestionStatus.UpstreamError, result.Status);
+        }
+
+        // ── Helfer ────────────────────────────────────────────────────────────
+
+        private static NameSuggestionService CreateService(
+            string? baseUrl, string? apiKey, string? model, StubHandler handler)
+        {
+            var options = Options.Create(new AiOptions { BaseUrl = baseUrl, ApiKey = apiKey, Model = model });
+            return new NameSuggestionService(new HttpClient(handler), options);
+        }
+
+        private static HttpResponseMessage Canned(string content)
+        {
+            var completion = new
+            {
+                choices = new[] { new { message = new { role = "assistant", content } } },
+            };
+            return new HttpResponseMessage(HttpStatusCode.OK)
+            {
+                Content = new StringContent(JsonSerializer.Serialize(completion),
+                    Encoding.UTF8, "application/json"),
+            };
+        }
+
+        private sealed class StubHandler(Func<HttpRequestMessage, HttpResponseMessage> respond)
+            : HttpMessageHandler
+        {
+            protected override Task<HttpResponseMessage> SendAsync(
+                HttpRequestMessage request, CancellationToken cancellationToken)
+                => Task.FromResult(respond(request));
+        }
+    }
+}

GerbilManager.Tests/PartialUpdateTests.cs

@@ -0,0 +1,145 @@
+using System.Net;
+using System.Net.Http.Json;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+
+namespace GerbilManager.Tests;
+
+/// <summary>CR-2 regression: PUT /gerbils/{id} must not silently destroy fields that
+/// the caller omits (PATCH semantics). The ForSale-toggle and Charakterbogen-save
+/// send partial bodies — all other fields must be preserved unchanged.</summary>
+public class PartialUpdateTests : IClassFixture<ApiFactory>
+{
+    private readonly HttpClient _client;
+
+    public PartialUpdateTests(ApiFactory factory) => _client = factory.CreateClient();
+
+    // ------------------------------------------------------------------ helpers
+
+    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 static string? GetNested(JsonElement el, string prop) =>
+        el.TryGetProperty(prop, out var v) ? v.ToString() : null;
+
+    /// <summary>Create a fully-populated gerbil and return its id.</summary>
+    private async Task<Guid> CreateFullGerbil(string name = "TestTier")
+    {
+        // Use name-derived unique externalRef so the DB-1 unique constraint doesn't fire
+        // when multiple tests in the same fixture share the SQLite connection.
+        var resp = await _client.PostAsync("/gerbils", JsonContent.Create(new
+        {
+            name,
+            gender = "female",
+            genotype = "aa CC DD ee GG PP spsp rere",
+            originBreeder = "Zucht der Kleinen Chaoten",
+            isDeaf = false,
+            characterTraits = new[] { "neugierig", "zutraulich" },
+            characterNote = "Liebling der Familie",
+            notes = "Eine Notiz",
+            externalRef = $"ext-{name.GetHashCode():X8}",
+        }));
+        Assert.Equal(HttpStatusCode.Created, resp.StatusCode);
+        return ExtractId(await resp.Content.ReadAsStringAsync());
+    }
+
+    // ------------------------------------------------------------------ tests
+
+    [Fact]
+    public async Task ForSale_toggle_does_not_wipe_other_fields()
+    {
+        // Arrange: create a fully-populated gerbil
+        var id = await CreateFullGerbil("ForSale-Tier");
+
+        // Act: send only { status: 'ForSale' } — exactly what the detail page does
+        var put = await _client.PutAsync($"/gerbils/{id}",
+            JsonContent.Create(new { status = "ForSale" }));
+        Assert.Equal(HttpStatusCode.NoContent, put.StatusCode);
+
+        // Assert: re-read and check all fields survive
+        var json = JsonDocument.Parse(await _client.GetStringAsync($"/gerbils/{id}")).RootElement;
+
+        Assert.Equal("ForSale", GetStr(json, "status"));
+        Assert.Equal("ForSale-Tier", GetStr(json, "name"));
+        Assert.Equal("female", GetStr(json, "gender"));
+        Assert.Equal("aa CC DD ee GG PP spsp rere", GetStr(json, "genotype"));
+        Assert.Equal("Zucht der Kleinen Chaoten", GetStr(json, "originBreeder"));
+        Assert.Equal("Eine Notiz", GetStr(json, "notes"));
+        Assert.NotNull(GetStr(json, "externalRef")); // externalRef set during create, not cleared by partial PUT
+        Assert.Contains("neugierig", GetNested(json, "characterTraits") ?? "");
+        Assert.Equal("Liebling der Familie", GetStr(json, "characterNote"));
+    }
+
+    [Fact]
+    public async Task CharacterSave_does_not_wipe_other_fields()
+    {
+        // Arrange
+        var id = await CreateFullGerbil("Charakter-Tier");
+
+        // Act: send only { characterTraits, characterNote } — exactly what the Charakterbogen save does
+        var put = await _client.PutAsync($"/gerbils/{id}", JsonContent.Create(new
+        {
+            characterTraits = new[] { "handzahm" },
+            characterNote = "Neue Notiz",
+        }));
+        Assert.Equal(HttpStatusCode.NoContent, put.StatusCode);
+
+        // Assert: name / genotype / originBreeder / status / externalRef all intact
+        var json = JsonDocument.Parse(await _client.GetStringAsync($"/gerbils/{id}")).RootElement;
+
+        Assert.Equal("Active", GetStr(json, "status"));
+        Assert.Equal("Charakter-Tier", GetStr(json, "name"));
+        Assert.Equal("female", GetStr(json, "gender"));
+        Assert.Equal("aa CC DD ee GG PP spsp rere", GetStr(json, "genotype"));
+        Assert.Equal("Zucht der Kleinen Chaoten", GetStr(json, "originBreeder"));
+        Assert.Equal("Eine Notiz", GetStr(json, "notes"));
+        Assert.NotNull(GetStr(json, "externalRef")); // externalRef set during create, not cleared by partial PUT
+        Assert.Contains("handzahm", GetNested(json, "characterTraits") ?? "");
+        Assert.Equal("Neue Notiz", GetStr(json, "characterNote"));
+    }
+
+    [Fact]
+    public async Task EditForm_omitting_import_fields_keeps_them()
+    {
+        // Arrange: gerbil with import-set fields
+        var id = await CreateFullGerbil("EditForm-Tier");
+
+        // Act: send a typical edit-form body that omits originBreeder/isDeaf/externalRef/characterTraits/characterNote
+        var put = await _client.PutAsync($"/gerbils/{id}", JsonContent.Create(new
+        {
+            name = "EditForm-Tier (umbenannt)",
+            gender = "female",
+            genotype = "aa CC DD ee GG PP spsp rere",
+            notes = "Aktualisierte Notiz",
+        }));
+        Assert.Equal(HttpStatusCode.NoContent, put.StatusCode);
+
+        // Assert: name updated, import fields survive
+        var json = JsonDocument.Parse(await _client.GetStringAsync($"/gerbils/{id}")).RootElement;
+
+        Assert.Equal("EditForm-Tier (umbenannt)", GetStr(json, "name"));
+        Assert.Equal("Aktualisierte Notiz", GetStr(json, "notes"));
+        Assert.Equal("Zucht der Kleinen Chaoten", GetStr(json, "originBreeder"));
+        Assert.NotNull(GetStr(json, "externalRef")); // externalRef set during create, not cleared by partial PUT
+        Assert.Contains("neugierig", GetNested(json, "characterTraits") ?? "");
+        Assert.Equal("Liebling der Familie", GetStr(json, "characterNote"));
+    }
+
+    [Fact]
+    public async Task Create_with_minimal_body_uses_safe_defaults()
+    {
+        // A minimal POST (only name) must still produce a valid gerbil
+        var resp = await _client.PostAsync("/gerbils", JsonContent.Create(new { name = "Minimal" }));
+        Assert.Equal(HttpStatusCode.Created, resp.StatusCode);
+
+        var json = JsonDocument.Parse(await resp.Content.ReadAsStringAsync()).RootElement;
+        Assert.Equal("Minimal", GetStr(json, "name"));
+        Assert.Equal("Active", GetStr(json, "status"));
+        // characterTraits defaults to [] on create when not provided
+        Assert.Contains("[]", GetNested(json, "characterTraits") ?? "");
+    }
+}

GerbilManagerWebAPI/ApplicationContext.cs

@@ -49,6 +49,13 @@ public class ApplicationContext : DbContext
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
+        // DB-4: ICU German collation on user-visible / searched text columns.
+        // "de-x-icu" gives correct German sort order (ä between a and b) and locale-aware
+        // case-folding (lower('Ä')='ä'). Applied only on Npgsql (Postgres); SQLite does not
+        // support custom collation names and would fail EnsureCreated on the test host.
+        const string DeIcu = "de-x-icu";
+        bool isNpgsql = Database.ProviderName?.Contains("Npgsql", StringComparison.OrdinalIgnoreCase) ?? false;
+
         modelBuilder.Entity<Gerbil>(e =>
         {
             // Enums persisted as their string names (readable, Gridify-friendly).
@@ -58,6 +65,14 @@ public class ApplicationContext : DbContext
             // Residency defaults to true (own stock unless explicitly marked external).
             e.Property(g => g.IsResident).HasDefaultValue(true);
 
+            // DB-4: German collation on searched/sorted name fields (Npgsql-only).
+            if (isNpgsql)
+            {
+                e.Property(g => g.Name).UseCollation(DeIcu);
+                e.Property(g => g.NameSearch).UseCollation(DeIcu);
+                e.Property(g => g.OriginBreeder).UseCollation(DeIcu);
+            }
+
             // FEAT-14: character traits stored as a JSON text column (works on both
             // Npgsql and the SQLite test host; opaque labels, no backend vocabulary).
             var traitsConverter = new Microsoft.EntityFrameworkCore.Storage.ValueConversion.ValueConverter<List<string>, string>(
@@ -81,6 +96,12 @@ public class ApplicationContext : DbContext
                 .HasForeignKey(g => g.EnclosureId).OnDelete(DeleteBehavior.SetNull);
             e.HasOne(g => g.ColorVariety).WithMany()
                 .HasForeignKey(g => g.ColorVarietyId).OnDelete(DeleteBehavior.SetNull);
+
+            // DB-1: ExternalRef is the import idempotency key — enforce uniqueness at the DB level.
+            // Filtered (nulls allowed: manually-entered animals have no ExternalRef).
+            e.HasIndex(g => g.ExternalRef)
+                .IsUnique()
+                .HasFilter("\"ExternalRef\" IS NOT NULL");
         });
 
         modelBuilder.Entity<Litter>(e =>
@@ -89,6 +110,12 @@ public class ApplicationContext : DbContext
                 .HasForeignKey(l => l.FatherId).OnDelete(DeleteBehavior.Restrict);
             e.HasOne(l => l.Mother).WithMany()
                 .HasForeignKey(l => l.MotherId).OnDelete(DeleteBehavior.Restrict);
+
+            // DB-5: ExternalRef = source litter id from extract.py.
+            // Unique (filtered, nulls allowed for manually-entered litters).
+            e.HasIndex(l => l.ExternalRef)
+                .IsUnique()
+                .HasFilter("\"ExternalRef\" IS NOT NULL");
         });
 
         modelBuilder.Entity<HealthRecord>(e =>
@@ -170,6 +197,15 @@ public class ApplicationContext : DbContext
         modelBuilder.Entity<MailSettings>()
             .HasData(new MailSettings { Id = GerbilManagerWebAPI.Models.MailSettings.SingletonId });
 
+        // DB-4: German collation on remaining searched/sorted text columns (Npgsql-only).
+        if (isNpgsql)
+        {
+            modelBuilder.Entity<ColorVariety>()
+                .Property(v => v.Name).UseCollation(DeIcu);
+            modelBuilder.Entity<Contact>()
+                .Property(c => c.Name).UseCollation(DeIcu);
+        }
+
         SeedColorVarieties(modelBuilder);
     }
 

GerbilManagerWebAPI/Dtos/ApiDtos.cs

@@ -59,8 +59,8 @@ namespace GerbilManagerWebAPI.Dtos
     // Request DTOs -----------------------------------------------------------
 
     public record GerbilInput(
-        string Name,
-        Gender Gender,
+        string? Name,
+        Gender? Gender,
         GerbilStatus? Status,
         Guid? LitterId,
         Guid? OriginContactId,

GerbilManagerWebAPI/Endpoints/GerbilEndpoints.cs

@@ -39,19 +39,18 @@ namespace GerbilManagerWebAPI.Endpoints
                 if (string.IsNullOrWhiteSpace(input.Name))
                     return TypedResults.ValidationProblem(new Dictionary<string, string[]> { ["name"] = ["Name is required."] });
 
-                var g = new Gerbil { Id = Guid.NewGuid(), Name = input.Name };
+                var g = new Gerbil { Id = Guid.NewGuid(), Name = input.Name! };
                 Apply(g, input, isCreate: true);
                 db.Gerbils.Add(g);
                 await db.SaveChangesAsync();
                 return TypedResults.Created($"/gerbils/{g.Id}", ToDto(g));
             });
 
-            // PUT /gerbils/{id}
+            // PUT /gerbils/{id}  — PATCH semantics: omitted/null fields keep the stored value.
             group.MapPut("/{id:guid}", async Task<Results<NoContent, NotFound>> (Guid id, GerbilInput input, ApplicationContext db) =>
             {
                 var g = await db.Gerbils.FirstOrDefaultAsync(x => x.Id == id);
                 if (g is null) return TypedResults.NotFound();
-                g.Name = input.Name;
                 Apply(g, input, isCreate: false);
                 await db.SaveChangesAsync();
                 return TypedResults.NoContent();
@@ -77,27 +76,34 @@ namespace GerbilManagerWebAPI.Endpoints
             return app;
         }
 
+        // CR-2 FIX: PATCH semantics — every omitted/null field keeps the stored value.
+        // Prevents silent data loss when the frontend sends partial bodies (ForSale toggle,
+        // Charakterbogen save, any partial updateGerbil call). On create, supply safe defaults
+        // for fields the frontend omits. A non-null input value always wins (including explicit
+        // nulls — callers that want to clear a nullable field must send a full object; a
+        // dedicated PATCH endpoint can be added later if point-clear is needed).
         private static void Apply(Gerbil g, GerbilInput i, bool isCreate)
         {
-            g.Gender = i.Gender;
+            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);
-            g.LitterId = i.LitterId;
-            g.OriginContactId = i.OriginContactId;
-            g.ReceiverContactId = i.ReceiverContactId;
-            g.EnclosureId = i.EnclosureId;
-            g.ColorVarietyId = i.ColorVarietyId;
-            g.DateOfBirth = i.DateOfBirth;
-            g.DateOfDeath = i.DateOfDeath;
-            g.CauseOfDeath = i.CauseOfDeath;
-            g.GoHomeDate = i.GoHomeDate;
-            g.Genotype = i.Genotype;
-            g.Notes = i.Notes;
-            g.ImportSource = i.ImportSource;
-            g.ExternalRef = i.ExternalRef;
-            g.OriginBreeder = i.OriginBreeder;
-            g.CharacterTraits = i.CharacterTraits ?? new List<string>();
-            g.CharacterNote = i.CharacterNote;
-            g.IsDeaf = i.IsDeaf;
+            g.LitterId = i.LitterId ?? g.LitterId;
+            g.OriginContactId = i.OriginContactId ?? g.OriginContactId;
+            g.ReceiverContactId = i.ReceiverContactId ?? g.ReceiverContactId;
+            g.EnclosureId = i.EnclosureId ?? g.EnclosureId;
+            g.ColorVarietyId = i.ColorVarietyId ?? g.ColorVarietyId;
+            g.DateOfBirth = i.DateOfBirth ?? g.DateOfBirth;
+            g.DateOfDeath = i.DateOfDeath ?? g.DateOfDeath;
+            g.CauseOfDeath = i.CauseOfDeath ?? g.CauseOfDeath;
+            g.GoHomeDate = i.GoHomeDate ?? g.GoHomeDate;
+            g.Genotype = i.Genotype ?? g.Genotype;
+            g.Notes = i.Notes ?? g.Notes;
+            g.ImportSource = i.ImportSource ?? g.ImportSource;
+            g.ExternalRef = i.ExternalRef ?? g.ExternalRef;
+            g.OriginBreeder = i.OriginBreeder ?? g.OriginBreeder;
+            g.CharacterTraits = i.CharacterTraits ?? g.CharacterTraits;
+            g.CharacterNote = i.CharacterNote ?? g.CharacterNote;
+            g.IsDeaf = i.IsDeaf ?? g.IsDeaf;
             g.IsResident = i.IsResident ?? (isCreate ? true : g.IsResident);
         }
 

GerbilManagerWebAPI/Endpoints/NamesEndpoints.cs

@@ -0,0 +1,38 @@
+using GerbilManagerWebAPI.Names;
+
+namespace GerbilManagerWebAPI.Endpoints
+{
+    /// <summary>
+    /// FEAT-NAMEGEN: GET /names/suggest — meaningful gerbil name suggestions via Gemini.
+    ///
+    /// 503 {code:"NamesKeyMissing"} while the AI section is unconfigured — the
+    /// frontend maps exactly this code to its German disabled-state hint.
+    /// </summary>
+    public static class NamesEndpoints
+    {
+        public static IEndpointRouteBuilder MapNamesEndpoints(this IEndpointRouteBuilder app)
+        {
+            app.MapGet("/names/suggest", async (
+                string? letter,
+                string? gender,
+                string? usages,
+                int count,
+                NameSuggestionService service,
+                CancellationToken ct) =>
+            {
+                var result = await service.SuggestAsync(letter, gender, usages, count, ct);
+                return result.Status switch
+                {
+                    NameSuggestionStatus.Ok => Results.Ok(result.Suggestions),
+                    NameSuggestionStatus.NotConfigured => Results.Json(
+                        new { code = "NamesKeyMissing", message = result.Error ?? "" }, statusCode: 503),
+                    _ => Results.Json(
+                        new { code = "NamesUpstreamError", message = result.Error ?? "" }, statusCode: 502),
+                };
+            })
+            .WithTags("Names");
+
+            return app;
+        }
+    }
+}

GerbilManagerWebAPI/GerbilManagerWebAPI.csproj

@@ -1,39 +1,40 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
-
-  <PropertyGroup>
-    <TargetFramework>net10.0</TargetFramework>
-    <Nullable>enable</Nullable>
-    <ImplicitUsings>enable</ImplicitUsings>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Aspire.Npgsql.EntityFrameworkCore.PostgreSQL" Version="13.4.2" />
-    <PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
-    <PackageReference Include="MailKit" Version="4.17.0" />
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.8" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.8" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.8">
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-      <PrivateAssets>all</PrivateAssets>
-    </PackageReference>
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.2" />
-    <PackageReference Include="Gridify" Version="2.19.1" />
-    <PackageReference Include="Gridify.EntityFramework" Version="2.19.1" />
-    <PackageReference Include="Scalar.AspNetCore" Version="2.14.14" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <ProjectReference Include="..\GerbilManager.ServiceDefaults\GerbilManager.ServiceDefaults.csproj" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <!-- FEAT-13: Abgabevertrag-Vorlage wird als eingebettete Ressource ausgeliefert. -->
-    <EmbeddedResource Include="Contracts\Templates\Abgabevertrag.docx" />
-  </ItemGroup>
-
-  <ItemGroup>
-    <!-- FEAT-12a: Tests prüfen interne Bausteine (z. B. die Completions-URL). -->
-    <InternalsVisibleTo Include="GerbilManager.Tests" />
-  </ItemGroup>
-
-</Project>
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UserSecretsId>d5041cff-22a2-4aba-80ff-903ce5203eb3</UserSecretsId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Aspire.Npgsql.EntityFrameworkCore.PostgreSQL" Version="13.4.2" />
+    <PackageReference Include="DocumentFormat.OpenXml" Version="3.5.1" />
+    <PackageReference Include="MailKit" Version="4.17.0" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="10.0.8">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="10.0.2" />
+    <PackageReference Include="Gridify" Version="2.19.1" />
+    <PackageReference Include="Gridify.EntityFramework" Version="2.19.1" />
+    <PackageReference Include="Scalar.AspNetCore" Version="2.14.14" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\GerbilManager.ServiceDefaults\GerbilManager.ServiceDefaults.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <!-- FEAT-13: Abgabevertrag-Vorlage wird als eingebettete Ressource ausgeliefert. -->
+    <EmbeddedResource Include="Contracts\Templates\Abgabevertrag.docx" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <!-- FEAT-12a: Tests prüfen interne Bausteine (z. B. die Completions-URL). -->
+    <InternalsVisibleTo Include="GerbilManager.Tests" />
+  </ItemGroup>
+
+</Project>

GerbilManagerWebAPI/Import/ImportModels.cs

@@ -82,8 +82,12 @@ namespace GerbilManagerWebAPI.Import
         ResidencySummary? Residency = null);
 
     /// <summary>Bestand (resident) vs external pedigree ancestors; FlippedByParentRule = foreign-
-    /// Zuchtname animals made resident because they parented a Clan offspring (rule b).</summary>
-    public sealed record ResidencySummary(int Resident, int External, int FlippedByParentRule);
+    /// Zuchtname animals made resident because they parented a Clan offspring (rule b).
+    /// HerkunftBackfilled = resident animals whose null OriginBreeder was filled (safe, no overwrite).
+    /// FarbschlagWouldRebackfill = already-imported animals with a stale ColorVariety that the
+    /// current extract would update (no-op counter until the safety mechanism is ratified).</summary>
+    public sealed record ResidencySummary(int Resident, int External, int FlippedByParentRule,
+        int HerkunftBackfilled = 0, int FarbschlagWouldRebackfill = 0);
 
     public sealed record LitterSummary(int InSource, int Created, int AlreadyImported,
         int DerivedFromChart = 0, int DerivedSkipped = 0, int ParentFksDropped = 0,
@@ -98,7 +102,8 @@ namespace GerbilManagerWebAPI.Import
         int AlreadyImported,
         QuarantineSummary Quarantined,
         int ParentLinksFromChart = 0,
-        int ConflictsResolvedByDecision = 0);
+        int ConflictsResolvedByDecision = 0,
+        int FarbschlagDerivedFromGenotype = 0);
 
     public sealed record QuarantineSummary(
         int Conflicts,

GerbilManagerWebAPI/Import/ImportService.cs

@@ -71,17 +71,21 @@ namespace GerbilManagerWebAPI.Import
                 else if (conf == "niedrig") dateOnly++;
             }
 
-            // existing rows (idempotency). Gerbils carry ExternalRef; Litters have no such
-            // column, so we key litter idempotency on the stable (Name + Date) pair instead.
+            // existing rows (idempotency).
             var existingGerbilExtRefs = await _db.Gerbils
                 .Where(g => g.ExternalRef != null)
                 .Select(g => g.ExternalRef!).ToListAsync();
             var existingGerbilSet = existingGerbilExtRefs.ToHashSet();
 
-            var existingLitterKeys = await _db.Litters
-                .Select(l => new { l.Name, l.Date }).ToListAsync();
-            var existingLitterKeySet = existingLitterKeys
+            // DB-5: Litters now carry ExternalRef (= source litter id from extract.py).
+            // Primary idempotency: ExternalRef. Fallback: Name+Date for litters created before DB-5.
+            var existingLitterData = await _db.Litters
+                .Select(l => new { l.Name, l.Date, l.ExternalRef }).ToListAsync();
+            var existingLitterKeySet = existingLitterData
                 .Select(x => $"{x.Name}|{x.Date:yyyy-MM-dd}").ToHashSet();
+            var existingLitterExtRefSet = existingLitterData
+                .Where(x => x.ExternalRef != null)
+                .Select(x => x.ExternalRef!).ToHashSet();
 
             // colour-variety name -> id (case-insensitive)
             var varieties = await _db.ColorVarieties.Select(v => new { v.Id, v.Name }).ToListAsync();
@@ -94,10 +98,10 @@ namespace GerbilManagerWebAPI.Import
             var damNames = litters.Select(l => Normalize(StripZucht(l.DamName))).Where(s => s.Length > 0).ToHashSet();
 
             // ---- litters: create map source.id -> Litter (for high-confidence animal links) ----
+            // Idempotency (DB-5): ExternalRef-match is primary (stable source id); Name+Date is the
+            // fallback for litters created before DB-5 (those have ExternalRef=null in the DB).
             // COUNTER-BUG FIX: undated litters (31 in the Wurfchronik) have no parseable date,
-            // so their existingLitterKeySet key was always "" → they were always counted as
-            // "created" even though the execute block skipped them (date is DateOnly d = false).
-            // Fix: skip undated litters early — they can never be created or linked to animals.
+            // so skip them early — they can never be created or linked to animals.
             int littersCreated = 0, littersExisting = 0, littersWithoutDate = 0;
             var litterIdMap = new Dictionary<string, Guid>();    // source litter id -> Litter.Id
             foreach (var sl in litters)
@@ -107,7 +111,10 @@ namespace GerbilManagerWebAPI.Import
 
                 var name = $"Wurf {sl.LitterId}".Trim();
                 var key = $"{name}|{date:yyyy-MM-dd}";
-                if (existingLitterKeySet.Contains(key)) { littersExisting++; continue; }
+                // DB-5: check ExternalRef first (stable, source-id-based); fall back to Name+Date
+                // for litters imported before ExternalRef existed (those have ExternalRef = null).
+                if (existingLitterExtRefSet.Contains(sl.Id) || existingLitterKeySet.Contains(key))
+                { littersExisting++; continue; }
 
                 var id = Guid.NewGuid();
                 litterIdMap[sl.Id] = id;
@@ -122,6 +129,7 @@ namespace GerbilManagerWebAPI.Import
                         TotalBorn = sl.TotalBorn,
                         Notes = string.IsNullOrWhiteSpace(sl.Note) ? null : sl.Note,
                         PairingCode = string.IsNullOrWhiteSpace(sl.Zuchtnummer) ? null : sl.Zuchtnummer,
+                        ExternalRef = sl.Id,   // DB-5: stable import key for future re-imports
                     });
                 }
                 if (samples.Count < 8)
@@ -137,31 +145,71 @@ namespace GerbilManagerWebAPI.Import
             // name+DOB -> gid index, across EXISTING rows AND this run's planned animals, so that
             // chart-position parentRefs (PEDIGREE-LINK) can resolve a parent to a real gerbil id.
             var existingRows = await _db.Gerbils
-                .Select(g => new { g.Id, g.Name, g.DateOfBirth, g.ExternalRef, g.LitterId }).ToListAsync();
+                .Select(g => new { g.Id, g.Name, g.DateOfBirth, g.ExternalRef, g.LitterId, g.ColorVarietyId }).ToListAsync();
             var gidByNameDob = new Dictionary<string, Guid>();
             foreach (var g in existingRows)
                 gidByNameDob[NameDobKey(g.Name, g.DateOfBirth)] = g.Id;
             var existingLitterByExtRef = existingRows.Where(g => g.ExternalRef != null)
                 .ToDictionary(g => g.ExternalRef!, g => g.LitterId);
+            var existingColorVarietyByExtRef = existingRows.Where(g => g.ExternalRef != null)
+                .ToDictionary(g => g.ExternalRef!, g => g.ColorVarietyId);
+            // CR-9: ExternalRef → Gerbil.Id fallback for name/DOB drift on re-import
+            var existingGidByExtRef = existingRows.Where(g => g.ExternalRef != null)
+                .ToDictionary(g => g.ExternalRef!, g => g.Id);
+
+            // CR-11: load CanonicalGenotype for genotype-derived Farbschlag matching
+            var varietiesWithGeno = await _db.ColorVarieties
+                .Select(v => new { v.Id, v.Name, v.CanonicalGenotype }).ToListAsync();
 
             // PASS 1: assign ids + resolve fb/gender/Wurfchronik link (no writes yet).
             var plan = new List<AnimalPlan>();
+            int fbDerivedFromGenotype = 0;
             foreach (var a in loadable)
             {
                 bool exists = existingGerbilSet.Contains(a.Id);
-                var gid = exists ? gidByNameDob[NameDobKey(a.Name, ParseDate(a.Dob))] : Guid.NewGuid();
+                // CR-9: use TryGetValue; fall back to ExternalRef lookup for name/DOB drift
+                // (e.g. correctDob remap or manual rename). Prevents throwing KeyNotFoundException.
+                Guid gid;
+                if (exists)
+                {
+                    if (!gidByNameDob.TryGetValue(NameDobKey(a.Name, ParseDate(a.Dob)), out gid))
+                    {
+                        if (existingGidByExtRef.TryGetValue(a.Id, out gid))
+                            notes.Add($"Hinweis: '{a.Name}' (*{a.Dob}) per ExternalRef gefunden trotz Name/DOB-Drift (correctDob oder UI-Umbenennung).");
+                        else
+                        {
+                            notes.Add($"Warnung: ExternalRef '{a.Id}' in DB vorhanden aber nicht auflösbar — Tier übersprungen.");
+                            continue;
+                        }
+                    }
+                }
+                else gid = Guid.NewGuid();
 
                 Guid? wurfLitterId = null;
                 if (a.LitterRef?.Confidence == "hoch" && a.LitterRef.Candidates is not { Count: > 0 }
                     && litterIdMap.TryGetValue(a.LitterRef.LitterId, out var lid))
                     wurfLitterId = lid;
 
+                // CR-11: Farbschlag from explicit name-match first; fall back to genotype derivation
+                // (fill-NULL-only — never overwrites an explicit name-match or manual assignment).
                 Guid? colorVarietyId = null;
                 var fbCandidates = new[] { a.Farbschlag }.Concat(a.FarbschlagVariants)
                     .Where(s => !string.IsNullOrWhiteSpace(s));
                 foreach (var fb in fbCandidates)
                     if (varietyByName.TryGetValue(fb.Trim().ToLowerInvariant(), out var vid))
                     { colorVarietyId = vid; break; }
+                if (colorVarietyId is null && a.Genotype.Mapped8locus.Count >= 8)
+                {
+                    // CR-11: only derive from a fully-specified genotype (all 8 loci known,
+                    // no "??" wildcards). Partial genotypes (single-locus or sparse records)
+                    // would match any catalog entry via wildcards and produce false positives.
+                    var composed = ComposeGenotype(a.Genotype);
+                    if (!composed.Contains("??"))
+                        foreach (var v in varietiesWithGeno)
+                            if (!string.IsNullOrWhiteSpace(v.CanonicalGenotype)
+                                && GenotypePotentiallyMatches(composed, v.CanonicalGenotype))
+                            { colorVarietyId = v.Id; fbDerivedFromGenotype++; break; }
+                }
 
                 var gender = InferGender(a, sireNames, damNames);
                 var norm = Normalize(StripZucht(a.Name));
@@ -169,7 +217,8 @@ namespace GerbilManagerWebAPI.Import
                 if (!exists) gidByNameDob.TryAdd(NameDobKey(a.Name, ParseDate(a.Dob)), gid);
 
                 var currentLitter = exists && existingLitterByExtRef.TryGetValue(a.Id, out var el) ? el : null;
-                plan.Add(new AnimalPlan(a, gid, exists, wurfLitterId, currentLitter, colorVarietyId, gender));
+                var currentColorVarietyId = exists && existingColorVarietyByExtRef.TryGetValue(a.Id, out var ecv) ? ecv : null;
+                plan.Add(new AnimalPlan(a, gid, exists, wurfLitterId, currentLitter, colorVarietyId, gender, currentColorVarietyId));
             }
 
             // PASS 1.5: PEDIGREE-LINK — synthesize/reuse a litter from chart-position parentRefs for
@@ -460,6 +509,78 @@ namespace GerbilManagerWebAPI.Import
                 if (execute && parentFksBackfilled > 0) await _db.SaveChangesAsync();
             }
 
+            // FARBSCHLAG-RE-MATCH — no-op counter (safety mechanism pending god/Julian sign-off).
+            // Counts already-imported animals where the current extract matched a DIFFERENT
+            // ColorVariety than what is currently stored in the DB. Does NOT update any row.
+            int farbschlagWouldRebackfill = plan.Count(p =>
+                p.Exists && p.ColorVarietyId is not null && p.ColorVarietyId != p.CurrentColorVarietyId);
+
+            // CR-11: FARBSCHLAG FROM GENOTYPE post-sweep (fill-NULL-only, safe): existing DB animals
+            // with null ColorVarietyId whose stored Genotype matches a catalog entry get filled.
+            // Mirrors the plan-loop derivation; never overwrites a manually-set or name-matched value.
+            {
+                var noColor = await _db.Gerbils
+                    .Where(g => g.ColorVarietyId == null && g.Genotype != null)
+                    .Select(g => new { g.Id, g.Genotype })
+                    .ToListAsync();
+                foreach (var g in noColor)
+                {
+                    if (string.IsNullOrWhiteSpace(g.Genotype) || g.Genotype!.Contains("??")) continue;
+                    Guid? derivedVid = null;
+                    foreach (var v in varietiesWithGeno)
+                        if (!string.IsNullOrWhiteSpace(v.CanonicalGenotype)
+                            && GenotypePotentiallyMatches(g.Genotype, v.CanonicalGenotype))
+                        { derivedVid = v.Id; break; }
+                    if (derivedVid is null) continue;
+                    fbDerivedFromGenotype++;
+                    if (execute)
+                    {
+                        var row = await _db.Gerbils.FindAsync(g.Id);
+                        if (row is not null && row.ColorVarietyId is null) row.ColorVarietyId = derivedVid;
+                    }
+                }
+                if (execute && fbDerivedFromGenotype > 0) await _db.SaveChangesAsync();
+            }
+
+            // HERKUNFT BACKFILL (fill-NULL-only, safe): sweep all resident animals whose
+            // OriginBreeder is null and fill it with a derived value or 'Zucht der Kleinen Chaoten'.
+            // NEVER overwrites a non-null OriginBreeder (Julian: "alle Schreibweisen unterstützen").
+            const string DefaultClanBreeder = "Zucht der Kleinen Chaoten";
+            int herkunftBackfilled = 0;
+            {
+                var needsHerkunft = await _db.Gerbils
+                    .Where(g => g.OriginBreeder == null && g.IsResident)
+                    .Select(g => new { g.Id, g.LitterId })
+                    .ToListAsync();
+
+                foreach (var g in needsHerkunft)
+                {
+                    herkunftBackfilled++;
+                    if (execute)
+                    {
+                        // Prefer the OriginBreeder of an existing parent (father first, then mother).
+                        string? derived = null;
+                        if (g.LitterId is not null)
+                        {
+                            var parentIds = await _db.Litters
+                                .Where(l => l.Id == g.LitterId)
+                                .Select(l => new { l.FatherId, l.MotherId })
+                                .FirstOrDefaultAsync();
+                            if (parentIds?.FatherId is Guid fid)
+                                derived = await _db.Gerbils.Where(gb => gb.Id == fid && gb.OriginBreeder != null)
+                                    .Select(gb => gb.OriginBreeder).FirstOrDefaultAsync();
+                            if (derived is null && parentIds?.MotherId is Guid mid)
+                                derived = await _db.Gerbils.Where(gb => gb.Id == mid && gb.OriginBreeder != null)
+                                    .Select(gb => gb.OriginBreeder).FirstOrDefaultAsync();
+                        }
+                        var row = await _db.Gerbils.FindAsync(g.Id);
+                        if (row is not null && row.OriginBreeder is null)
+                            row.OriginBreeder = derived ?? DefaultClanBreeder;
+                    }
+                }
+                if (execute && herkunftBackfilled > 0) await _db.SaveChangesAsync();
+            }
+
             if (littersWithoutDate > 0)
                 notes.Add($"Würfe ohne Datum: {littersWithoutDate} Wurfchronik-Einträge ohne parsbares Geburtsdatum übersprungen (weder erstellt noch verknüpft).");
             notes.Add("Quarantäne (kein Import): Konflikte + Stubs ohne Geburtsdatum + unsichere Wurf-Zuordnungen — warten auf die Prüfung durch die Züchterin.");
@@ -469,9 +590,15 @@ namespace GerbilManagerWebAPI.Import
             if (parentFksBackfilled > 0)
                 notes.Add($"Parent-FK-Backfill: {parentFksBackfilled} bereits importierte Würfe haben jetzt eine Eltern-Verknüpfung (Elternteil war zuvor in Quarantäne, jetzt geladen).");
             notes.Add($"Bestand/Herkunft: {residentTotal} im Bestand (Clan Kleine Chaoten), {externalTotal} externe Ahnen ({flippedByParentRule} davon über die Eltern-Regel als Bestand erkannt).");
+            if (herkunftBackfilled > 0)
+                notes.Add($"Herkunft-Backfill: {herkunftBackfilled} Bestand-Tier(e) mit leerem Herkunft-Feld befüllt (Zucht der Kleinen Chaoten oder von Elternteil abgeleitet). Niemals überschrieben.");
+            if (farbschlagWouldRebackfill > 0)
+                notes.Add($"Farbschlag-Hinweis (kein Overwrite): {farbschlagWouldRebackfill} bereits importierte Tier(e) haben einen veralteten Farbschlag, den der aktuelle Extraktor korrigieren würde — Overwrite-Mechanismus ausstehend (god/Julian Freigabe).");
             int conflictsResolvedByDecision = loadable.Count(a => a.ResolvedByDecision);
             if (conflictsResolvedByDecision > 0)
                 notes.Add($"Konfliktauflösungen: {conflictsResolvedByDecision} Tier(e) anhand von conflict-decisions.json un-quarantänet (Genotyp/Farbschlag der Züchterin ist maßgeblich).");
+            if (fbDerivedFromGenotype > 0)
+                notes.Add($"Farbschlag aus Genotyp: {fbDerivedFromGenotype} Tier(e) ohne expliziten Farbschlag-Namen wurden über den Katalog-Genotyp-Abgleich zugeordnet (band-aware Deep-Band-Tiere).");
             if (!execute) notes.Add("DRY-RUN: nichts gespeichert. /import/execute lädt die konfliktfreien Daten.");
 
             return new ImportReport(
@@ -480,11 +607,12 @@ namespace GerbilManagerWebAPI.Import
                 Animals: new AnimalSummary(
                     animals.Count, animalsCreated, linked, fbMatched, fbUnmatched, animalsExisting,
                     new QuarantineSummary(conflicts, stubs, dateOnly, ambiguous, conflicts + stubs),
-                    parentLinksAdded, conflictsResolvedByDecision),
+                    parentLinksAdded, conflictsResolvedByDecision, fbDerivedFromGenotype),
                 Photos: new PhotoSummary(photosAttached, photosMissing),
                 Samples: samples,
                 Notes: notes,
-                Residency: new ResidencySummary(residentTotal, externalTotal, flippedByParentRule));
+                Residency: new ResidencySummary(residentTotal, externalTotal, flippedByParentRule,
+                    HerkunftBackfilled: herkunftBackfilled, FarbschlagWouldRebackfill: farbschlagWouldRebackfill));
         }
 
         private T? Load<T>(string file)
@@ -517,6 +645,23 @@ namespace GerbilManagerWebAPI.Import
 
         private static string StripCaret(string allele) => allele.Replace("^", "");
 
+        /// <summary>CR-11: check if a composed animal genotype is compatible with a catalog canonical
+        /// genotype. Both are space-separated 8-locus tokens (e.g. "aa CC DD ee GG PP spsp rere").
+        /// "??" in either position is a wildcard. The first 8 tokens are compared; any trailing
+        /// Sls token is ignored (it is outside the base 8-locus contract).</summary>
+        private static bool GenotypePotentiallyMatches(string animalGeno, string catalogGeno)
+        {
+            var a = animalGeno.Split(' ', StringSplitOptions.RemoveEmptyEntries);
+            var c = catalogGeno.Split(' ', StringSplitOptions.RemoveEmptyEntries);
+            if (a.Length < 8 || c.Length < 8) return false;
+            for (int i = 0; i < 8; i++)
+            {
+                if (a[i] == "??" || c[i] == "??") continue;
+                if (!string.Equals(a[i], c[i], StringComparison.OrdinalIgnoreCase)) return false;
+            }
+            return true;
+        }
+
         private static Gender InferGender(SourceAnimal a, HashSet<string> sires, HashSet<string> dams)
         {
             // Box colour (blue=male, white=female) is the authoritative breeder signal — prefer it
@@ -574,7 +719,8 @@ namespace GerbilManagerWebAPI.Import
         /// <summary>Per-animal plan computed before any write so synthesis can run in dry-run too.</summary>
         private sealed record AnimalPlan(
             SourceAnimal A, Guid Gid, bool Exists, Guid? WurfLitterId,
-            Guid? CurrentLitterId, Guid? ColorVarietyId, Gender Gender);
+            Guid? CurrentLitterId, Guid? ColorVarietyId, Gender Gender,
+            Guid? CurrentColorVarietyId = null);
 
         /// <summary>A litter synthesized from chart-position parentRefs (PEDIGREE-LINK).</summary>
         private sealed record SynthLitter(Guid Id, Guid? Father, Guid? Mother, DateOnly? Date, string Confidence);

GerbilManagerWebAPI/Migrations/20260606154816_UniqueExternalRef.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GerbilManagerWebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class UniqueExternalRef : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_Gerbils_ExternalRef",
+                table: "Gerbils",
+                column: "ExternalRef",
+                unique: true,
+                filter: "\"ExternalRef\" IS NOT NULL");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Gerbils_ExternalRef",
+                table: "Gerbils");
+        }
+    }
+}

GerbilManagerWebAPI/Migrations/20260606174843_AddGermanCollation.cs

@@ -0,0 +1,133 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GerbilManagerWebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddGermanCollation : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "ExternalRef",
+                table: "Litters",
+                type: "text",
+                nullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "OriginBreeder",
+                table: "Gerbils",
+                type: "text",
+                nullable: true,
+                collation: "de-x-icu",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NameSearch",
+                table: "Gerbils",
+                type: "text",
+                nullable: true,
+                collation: "de-x-icu",
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true);
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Gerbils",
+                type: "text",
+                nullable: false,
+                collation: "de-x-icu",
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Contacts",
+                type: "text",
+                nullable: false,
+                collation: "de-x-icu",
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "ColorVarieties",
+                type: "text",
+                nullable: false,
+                collation: "de-x-icu",
+                oldClrType: typeof(string),
+                oldType: "text");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Litters_ExternalRef",
+                table: "Litters",
+                column: "ExternalRef",
+                unique: true,
+                filter: "\"ExternalRef\" IS NOT NULL");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_Litters_ExternalRef",
+                table: "Litters");
+
+            migrationBuilder.DropColumn(
+                name: "ExternalRef",
+                table: "Litters");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "OriginBreeder",
+                table: "Gerbils",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true,
+                oldCollation: "de-x-icu");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "NameSearch",
+                table: "Gerbils",
+                type: "text",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldNullable: true,
+                oldCollation: "de-x-icu");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Gerbils",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldCollation: "de-x-icu");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "Contacts",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldCollation: "de-x-icu");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "Name",
+                table: "ColorVarieties",
+                type: "text",
+                nullable: false,
+                oldClrType: typeof(string),
+                oldType: "text",
+                oldCollation: "de-x-icu");
+        }
+    }
+}

GerbilManagerWebAPI/Migrations/20260606174848_AddLitterExternalRef.cs

@@ -0,0 +1,22 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace GerbilManagerWebAPI.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddLitterExternalRef : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

GerbilManagerWebAPI/Migrations/20260606185411_AddLitterLetter.cs

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

GerbilManagerWebAPI/Migrations/ApplicationContextModelSnapshot.cs

@@ -201,7 +201,8 @@ namespace GerbilManagerWebAPI.Migrations
 
                     b.Property<string>("Name")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("text")
+                        .UseCollation("de-x-icu");
 
                     b.Property<int>("SortOrder")
                         .HasColumnType("integer");
@@ -689,7 +690,8 @@ namespace GerbilManagerWebAPI.Migrations
 
                     b.Property<string>("Name")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("text")
+                        .UseCollation("de-x-icu");
 
                     b.Property<string>("Notes")
                         .HasColumnType("text");
@@ -777,16 +779,19 @@ namespace GerbilManagerWebAPI.Migrations
 
                     b.Property<string>("Name")
                         .IsRequired()
-                        .HasColumnType("text");
+                        .HasColumnType("text")
+                        .UseCollation("de-x-icu");
 
                     b.Property<string>("NameSearch")
-                        .HasColumnType("text");
+                        .HasColumnType("text")
+                        .UseCollation("de-x-icu");
 
                     b.Property<string>("Notes")
                         .HasColumnType("text");
 
                     b.Property<string>("OriginBreeder")
-                        .HasColumnType("text");
+                        .HasColumnType("text")
+                        .UseCollation("de-x-icu");
 
                     b.Property<Guid?>("OriginContactId")
                         .HasColumnType("uuid");
@@ -807,6 +812,10 @@ namespace GerbilManagerWebAPI.Migrations
 
                     b.HasIndex("EnclosureId");
 
+                    b.HasIndex("ExternalRef")
+                        .IsUnique()
+                        .HasFilter("\"ExternalRef\" IS NOT NULL");
+
                     b.HasIndex("LitterId");
 
                     b.HasIndex("OriginContactId");
@@ -890,9 +899,15 @@ namespace GerbilManagerWebAPI.Migrations
                     b.Property<DateOnly?>("ExpectedGoHomeDate")
                         .HasColumnType("date");
 
+                    b.Property<string>("ExternalRef")
+                        .HasColumnType("text");
+
                     b.Property<Guid?>("FatherId")
                         .HasColumnType("uuid");
 
+                    b.Property<string>("LitterLetter")
+                        .HasColumnType("text");
+
                     b.Property<Guid?>("MotherId")
                         .HasColumnType("uuid");
 
@@ -911,6 +926,10 @@ namespace GerbilManagerWebAPI.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ExternalRef")
+                        .IsUnique()
+                        .HasFilter("\"ExternalRef\" IS NOT NULL");
+
                     b.HasIndex("FatherId");
 
                     b.HasIndex("MotherId");

GerbilManagerWebAPI/Models/Litter.cs

@@ -25,5 +25,14 @@ namespace GerbilManagerWebAPI.Models
         /// <summary>Zuchtnummer der Verpaarung (Wurfchronik col H) — pairing-level code;
         /// litters sharing it are the same Zuchtpaar. Set by the FEAT-8 import.</summary>
         public string? PairingCode { get; set; }
+
+        /// <summary>DB-5: stable import source id (extract.py litter Id). Unique (filtered,
+        /// nulls allowed for manually-entered litters). Primary idempotency key for re-imports;
+        /// Name+Date is the fallback for litters created before this column existed.</summary>
+        public string? ExternalRef { get; set; }
+
+        /// <summary>FEAT-NAMEGEN: Wurfbuchstabe (A, B, C … AA, AB …) — alle Welpen dieses
+        /// Wurfs erhalten Namen mit diesem Anfangsbuchstaben (gängige Zuchtkonvention).</summary>
+        public string? LitterLetter { get; set; }
     }
 }

GerbilManagerWebAPI/Names/NameSuggestion.cs

@@ -0,0 +1,5 @@
+namespace GerbilManagerWebAPI.Names
+{
+    /// <summary>FEAT-NAMEGEN: a single name suggestion returned by GET /names/suggest.</summary>
+    public sealed record NameSuggestion(string Name, string Meaning, string Origin);
+}

GerbilManagerWebAPI/Names/NameSuggestionService.cs

@@ -0,0 +1,107 @@
+using System.Text;
+using System.Text.Json;
+using GerbilManagerWebAPI.Ai;
+using GerbilManagerWebAPI.SaleAd;
+using Microsoft.Extensions.Options;
+
+namespace GerbilManagerWebAPI.Names
+{
+    /// <summary>
+    /// FEAT-NAMEGEN: generates meaningful gerbil name suggestions via Gemini
+    /// (the same OpenAiChatClient used by sale-ads and reply-drafts).
+    /// Returns NotConfigured when the AI section is missing — callers map to 503.
+    /// </summary>
+    public sealed class NameSuggestionService(HttpClient http, IOptions<AiOptions> options)
+    {
+        private readonly OpenAiChatClient _client = new(http, options);
+
+        private static readonly JsonSerializerOptions JsonOpts = new()
+        {
+            PropertyNameCaseInsensitive = true,
+        };
+
+        public async Task<NameSuggestionResult> SuggestAsync(
+            string? letter, string? gender, string? usages, int count,
+            CancellationToken ct = default)
+        {
+            var aiResult = await _client.CompleteAsync(
+                BuildSystemPrompt(),
+                BuildUserPrompt(letter, gender, usages, count),
+                ct);
+
+            if (aiResult.Status == AiCallStatus.NotConfigured)
+                return new NameSuggestionResult(NameSuggestionStatus.NotConfigured, null, aiResult.Error);
+            if (aiResult.Status != AiCallStatus.Ok || aiResult.Text is null)
+                return new NameSuggestionResult(NameSuggestionStatus.UpstreamError, null, aiResult.Error);
+
+            var suggestions = ParseSuggestions(aiResult.Text);
+            return suggestions is null
+                ? new NameSuggestionResult(NameSuggestionStatus.UpstreamError, null, "Ungültiges JSON in KI-Antwort.")
+                : new NameSuggestionResult(NameSuggestionStatus.Ok, suggestions, null);
+        }
+
+        internal static string BuildSystemPrompt() =>
+            "Du bist ein Helfer für Rennmaus-Züchter. " +
+            "Antworte IMMER mit einem reinen JSON-Array — KEINE Markdown-Code-Blöcke, " +
+            "KEINE Erklärungen, KEIN Text außerhalb des Arrays. " +
+            "Jedes Element hat genau die Felder: name, meaning, origin (alle Strings, alle auf Deutsch).";
+
+        internal static string BuildUserPrompt(string? letter, string? gender, string? usages, int count)
+        {
+            var sb = new StringBuilder();
+            sb.Append($"Schlage {count} Rennmaus-Namen vor");
+            if (!string.IsNullOrWhiteSpace(letter))
+                sb.Append($" die mit dem Buchstaben \"{letter.ToUpperInvariant()}\" beginnen");
+            if (!string.IsNullOrWhiteSpace(gender) &&
+                !gender.Equals("any", StringComparison.OrdinalIgnoreCase))
+                sb.Append($", passend für {(gender.Equals("female", StringComparison.OrdinalIgnoreCase) ? "weibliche" : "männliche")} Tiere");
+            if (!string.IsNullOrWhiteSpace(usages))
+                sb.Append($", aus den Kulturkreisen: {usages}");
+            sb.Append(". Jeder Name muss eine echte etymologische Bedeutung und Herkunft haben ");
+            sb.Append("(keine erfundenen oder zufälligen Namen). ");
+            sb.Append($"Antworte mit genau {count} Elementen als reines JSON-Array: ");
+            sb.Append("[{\"name\":\"...\",\"meaning\":\"...\",\"origin\":\"...\"}]");
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Strips optional markdown fences (```json ... ```) Gemini sometimes wraps around
+        /// its JSON output, then deserialises the array.
+        /// </summary>
+        internal static List<NameSuggestion>? ParseSuggestions(string raw)
+        {
+            var text = raw.Trim();
+
+            // Strip ```json ... ``` or ``` ... ``` fences.
+            if (text.StartsWith("```", StringComparison.Ordinal))
+            {
+                var firstNewline = text.IndexOf('\n');
+                if (firstNewline >= 0) text = text[(firstNewline + 1)..];
+                if (text.EndsWith("```", StringComparison.Ordinal))
+                    text = text[..^3].TrimEnd();
+            }
+
+            // Find the JSON array bounds defensively.
+            var start = text.IndexOf('[');
+            var end = text.LastIndexOf(']');
+            if (start < 0 || end <= start) return null;
+            text = text[start..(end + 1)];
+
+            try
+            {
+                return JsonSerializer.Deserialize<List<NameSuggestion>>(text, JsonOpts);
+            }
+            catch (JsonException)
+            {
+                return null;
+            }
+        }
+    }
+
+    public enum NameSuggestionStatus { Ok, NotConfigured, UpstreamError }
+
+    public sealed record NameSuggestionResult(
+        NameSuggestionStatus Status,
+        List<NameSuggestion>? Suggestions,
+        string? Error);
+}

GerbilManagerWebAPI/Program.cs

@@ -1,5 +1,6 @@
 using System.Text.Json.Serialization;
 using GerbilManagerWebAPI.Endpoints;
+using Microsoft.AspNetCore.DataProtection;
 using Microsoft.EntityFrameworkCore;
 using Scalar.AspNetCore;
 
@@ -44,9 +45,22 @@ builder.Services.AddHttpClient<GerbilManagerWebAPI.SaleAd.SaleAdService>(
 // INBOX-2: KI-Antwortentwurf (gleiche AI-Sektion, gleicher Wire-Client).
 builder.Services.AddHttpClient<GerbilManagerWebAPI.Inbox.DraftReplyService>(
     http => http.Timeout = TimeSpan.FromSeconds(60));
+// FEAT-NAMEGEN: Name suggestions via Gemini (same AI section, same wire client).
+builder.Services.AddHttpClient<GerbilManagerWebAPI.Names.NameSuggestionService>(
+    http => http.Timeout = TimeSpan.FromSeconds(60));
 
 // INBOX-0: Gmail inbox. App Password encrypted at rest via Data Protection.
-builder.Services.AddDataProtection();
+// AR-3: persist the key ring so encrypted passwords survive image redeployments.
+// In prod the path is mounted to a persistent volume (compose DataProtection__KeyRingPath).
+// In dev (Aspire) keys live in the content root — ephemeral, which is fine there.
+{
+    var keyRingPath = builder.Configuration["DataProtection:KeyRingPath"]
+        ?? Path.Combine(builder.Environment.ContentRootPath, ".data-protection-keys");
+    Directory.CreateDirectory(keyRingPath);
+    builder.Services.AddDataProtection()
+        .PersistKeysToFileSystem(new DirectoryInfo(keyRingPath))
+        .SetApplicationName("GerbilManager");
+}
 builder.Services.AddScoped<GerbilManagerWebAPI.Inbox.MailSettingsService>();
 builder.Services.AddScoped<GerbilManagerWebAPI.Inbox.IGmailMailReader, GerbilManagerWebAPI.Inbox.GmailMailReader>();
 builder.Services.AddScoped<GerbilManagerWebAPI.Inbox.RequestSyncService>();
@@ -89,6 +103,7 @@ app.MapSettingsEndpoints();
 app.MapExportEndpoints();
 app.MapCmsEndpoints();
 app.MapRequestEndpoints();
+app.MapNamesEndpoints();
 
 app.Run();
 

HUMANQUESTION.md

@@ -20,8 +20,8 @@ hinterlegt ist. Jede offene Frage unten zeigt, **was dadurch blockiert ist**.
 
 | # | Was gebraucht wird | Wofür / was es freischaltet | Blockiert gerade |
 |---|---|---|---|
-| A1 | **Gemini API-Schlüssel** (aistudio.google.com → „API-Schlüssel erstellen"). | Schaltet **vier Funktionen auf einmal** frei | KI-Verkaufstexte, Charakterbogen-KI (fertig, schläft), Webseiten-Chat-Editor, KI-Antwortentwürfe im Posteingang |
-| A2 | **Abrechnung aktivieren? (EU/Deutschland)** Die Gemini-AGB verlangen für EU-Nutzer die **bezahlte Stufe** — bei eurem Volumen **praktisch 0 €**, aber eure Daten werden dann **nicht** zum Training genutzt. Empfehlung: **Abrechnung einschalten** (bleibt fast gratis). Alternative für volle Privatsphäre: lokales Modell (Ollama). | Datenschutz (v. a. E-Mail-Inhalte) + AGB-konform | dieselben KI-Funktionen wie A1 |
+| ~~A1~~ | ✅ **ERLEDIGT (2026-06-07): Gemini-Key hinterlegt** (user-secrets, nie committed) + LIVE verifiziert — Verkaufstext-Endpunkt generiert echten Text. KI-Verkaufstexte + Charakterbogen-KI sind **live**. (Namensgenerator live sobald Backend gemerged; Posteingang braucht zusätzlich A3 Gmail; Web-Chat-Editor wenn gebaut.) | — | — |
+| ~~A2~~ | ✅ **ERLEDIGT (2026-06-07): KOSTENLOS, kein Billing nötig.** `gemini-2.0-flash` hatte kein Free-Kontingent (429), aber **`gemini-flash-latest` funktioniert im Free-Tier** (direkt + live verifiziert). Modell überall darauf umgestellt. Julian bleibt gratis. (Falls je volle Privatsphäre gewünscht: Ollama-Option steht.) | — | — |
 | A3 | **Gmail App-Passwort.** Einmalig: Google-Konto → 2-Faktor-Bestätigung aktivieren → „App-Passwörter" → eines für „GerbilManager" erstellen → 16-stelligen Code an Michael. | Posteingang verbinden (Anfragen abrufen + Antworten senden) | E-Mail-Posteingang (live) |
 | A4 | **Domain-Name** (ist registriert ✔) + **Cloudflare-Konto & API-Token** (Berechtigung „Cloudflare Pages → Edit"). | Öffentliche Webseite auf Cloudflare veröffentlichen | Veröffentlichung der neuen Webseite (Ersatz für Jimdo) |
 | A5 | **TrueNAS / Gitea — Restfragen:** ~~(b) Gitea Actions?~~ ✅ **AKTIV seit 06.06. — CI läuft bereits** (Runner registriert, Backend+Frontend-Tests grün auf dem Runner). **NEU (b2): Docker-Push-Job braucht 2 Repo-Secrets** — in Gitea → Repo → Einstellungen → Actions → Secrets bitte `REGISTRY_USER` (dein Gitea-Login) und `REGISTRY_TOKEN` (Token mit `write:package`) anlegen, dann pusht die CI fertige Images in die Registry. Offen bleiben: (a) TrueNAS SCALE-Version? (c) Eigener Postgres-Container (empfohlen) oder bestehender NAS-Postgres? (d) Dataset-Pfad für Daten/Backups, Port 80 frei? | Manager auf dem NAS betreiben (Produktiv + Backups + CI) | NAS-Deployment (compose fertig; CI ✅ live) |
@@ -126,10 +126,10 @@ Bitte je Tier sagen, **welcher Wert stimmt** (die Quellen widersprechen sich bei
 | Tier | Konkreter Konflikt — was stimmt? |
 |---|---|
 | Hanami v.d. K.C. (*10.09.2015) | Sterbedatum: **12.12.2019** ↔ **14.01.2020** (= D5) |
-| Little Runner's Big Ben (*03.02.2020) | P-Locus: **PP** ↔ **Pp** |
-| Vance Jr. v.d. K.C. (*10.04.2022) | Scheckung: **Spsp** ↔ **spsp** (Schecke ja/nein) |
-| Kazu v.d. K.C. (*23.04.2013) | E-Locus: **e[f]e[f]** ↔ **ee[f]** · G-Locus: **Gg** ↔ **GG** · P-Locus: **P?** ↔ **PP** |
-| Skarlett v.d. K.C. (*14.07.2013) | Sterbedatum: **17.04.2016** ↔ **2018** |
+| ~~Little Runner's Big Ben (*03.02.2020)~~ | ✅ **Pp** (P-Locus) — Julian 2026-06-07 → in conflict-decisions.json |
+| ~~Vance Jr. v.d. K.C. (*10.04.2022)~~ | ✅ **spsp** (ungescheckt) — Julian 2026-06-07 → in conflict-decisions.json |
+| ~~Kazu v.d. K.C. (*23.04.2013)~~ | ✅ **ee[f] · GG · PP** — Julian 2026-06-07 → in conflict-decisions.json |
+| ~~Skarlett v.d. K.C. (*14.07.2013)~~ | ✅ **Sterbedatum 17.04.2016** — Julian 2026-06-07 → in conflict-decisions.json |
 
 *(Enya, Ella und Zac fehlen hier bewusst: deren Abweichung ist nur „unbekannt ↔ genau angegeben" — löst der Importer automatisch mit der „genauer gewinnt"-Regel.)*
 

deploy/truenas/.env.example

@@ -1,4 +1,4 @@
-# GerbilManager Produktionskonfiguration
+# GerbilManager Produktionskonfiguration
 # Kopiere diese Datei nach .env und setze die Werte vor dem ersten Start.
 
 # Sicheres Datenbankpasswort (mind. 20 Zeichen, keine Anführungszeichen)
@@ -15,9 +15,15 @@ TAG=latest
 PGDATA_PATH=/mnt/SSD/gerbil/pgdata
 PHOTOS_PATH=/mnt/SSD/gerbil/photos
 BACKUPS_PATH=/mnt/SSD/gerbil/backups
+# AR-3: Data Protection Key-Ring (Gmail-App-Passwort-Verschlüsselung)
+KEYS_PATH=/mnt/SSD/gerbil/keys
 
 # Backup-Rotation: Anzahl Tage (Standard: 7)
 BACKUP_KEEP_DAYS=7
 
-# Claude-API-Key fuer KI-Verkaufstext (FEAT-12a; leer lassen wenn nicht vorhanden)
-ANTHROPIC_API_KEY=
+# KI-Funktionen (Verkaufstext + Posteingang-Entwurf)
+# Beliebiger OpenAI-kompatibler Anbieter — Optionen in docs/ai-provider.md
+# Leer lassen = KI deaktiviert (kein Fehler, nur 503 AiKeyMissing)
+AI__BaseUrl=
+AI__ApiKey=
+AI__Model=gemini-flash-latest

deploy/truenas/compose.yaml

@@ -1,4 +1,4 @@
-# GerbilManager — TrueNAS Custom Application
+# GerbilManager — TrueNAS Custom Application
 # ==============================================
 # Vor dem ersten Start:
 #   1. Kopiere deploy/truenas/.env.example -> deploy/truenas/.env und setze die Werte.
@@ -40,10 +40,17 @@ services:
       ConnectionStrings__gerbilmanager: "Host=db;Port=5432;Database=gerbilmanager;Username=postgres;Password=${POSTGRES_PASSWORD}"
       # Speicherort der hochgeladenen Fotos (NAS-Dataset gemounted unter /data/photos)
       Photos__RootPath: /data/photos
-      # KI-Verkaufstext (FEAT-12a stub; leer lassen wenn kein Key vorhanden)
-      ANTHROPIC_API_KEY: "${ANTHROPIC_API_KEY:-}"
+      # AR-3: Data Protection Key-Ring (persistiert Gmail-App-Passwort-Verschlüsselung über Redeployments)
+      DataProtection__KeyRingPath: /data/keys
+      # AR-4: KI-Funktionen (Verkaufstext + Posteingang-Entwurf, Sektion AI; beliebiger OpenAI-kompatibler Anbieter)
+      # Anbieter-Optionen und Schlüssel-Beispiele: docs/ai-provider.md
+      # Leer lassen = KI deaktiviert (503 AiKeyMissing statt Fehler)
+      AI__BaseUrl: "${AI__BaseUrl:-}"
+      AI__ApiKey: "${AI__ApiKey:-}"
+      AI__Model: "${AI__Model:-gemini-flash-latest}"
     volumes:
       - photos:/data/photos
+      - keys:/data/keys
     depends_on:
       db:
         condition: service_healthy
@@ -101,6 +108,14 @@ volumes:
       type: none
       o: bind
       device: "${PHOTOS_PATH:-/mnt/gerbil/photos}"
+  # AR-3: Data Protection key ring — persistiert Gmail-App-Passwort-Verschlüsselung.
+  # Muss ein persistentes NAS-Dataset sein (nicht dasselbe wie photos).
+  keys:
+    driver: local
+    driver_opts:
+      type: none
+      o: bind
+      device: "${KEYS_PATH:-/mnt/gerbil/keys}"
   backups:
     driver: local
     driver_opts:

docs/ai-provider.md

@@ -1,4 +1,4 @@
-# KI-Anbieter für das Abgabe-Inserat (FEAT-12a)
+# KI-Anbieter für das Abgabe-Inserat (FEAT-12a)
 
 `POST /gerbils/sale-ad` spricht einen beliebigen **OpenAI-kompatiblen**
 Chat-Completions-Endpunkt an — kein SDK, nur drei Einstellungen (Sektion `AI`),
@@ -16,7 +16,7 @@ committen**. Fehlt eine der drei, antwortet der Endpunkt mit
 
 | Anbieter | `AI__BaseUrl` | Beispiel-`AI__Model` | Kosten |
 |---|---|---|---|
-| **Google Gemini** (vermutlich Julians Wahl) | `https://generativelanguage.googleapis.com/v1beta/openai` | `gemini-2.0-flash` | Free Tier |
+| **Google Gemini** (vermutlich Julians Wahl) | `https://generativelanguage.googleapis.com/v1beta/openai` | `gemini-flash-latest` | Free Tier |
 | **Groq** | `https://api.groq.com/openai/v1` | `llama-3.3-70b-versatile` | Free Tier |
 | **Mistral** | `https://api.mistral.ai/v1` | `mistral-small-latest` | Free Tier |
 | **Ollama** (lokal/TrueNAS) | `http://<host>:11434/v1` | `llama3.2` | kostenlos, lokal |
@@ -31,7 +31,7 @@ Ollama ignoriert den Schlüssel — `AI__ApiKey=ollama` als Platzhalter setzen
 ```powershell
 $env:AI__BaseUrl = 'https://generativelanguage.googleapis.com/v1beta/openai'
 $env:AI__ApiKey  = '<schlüssel>'
-$env:AI__Model   = 'gemini-2.0-flash'
+$env:AI__Model   = 'gemini-flash-latest'
 ```
 
 oder per user-secrets im API-Projekt:
@@ -46,5 +46,5 @@ services:
     environment:
       AI__BaseUrl: https://generativelanguage.googleapis.com/v1beta/openai
       AI__ApiKey: ${AI_API_KEY}        # Wert in der TrueNAS-App/.env hinterlegen
-      AI__Model: gemini-2.0-flash
+      AI__Model: gemini-flash-latest
 ```

gerbil-manager-web/e2e/gehege-regression.spec.ts

@@ -0,0 +1,90 @@
+/**
+ * QA-REGRESSION-1: GEHEGE-RENAME Lock-in.
+ *
+ * Sichert das Verhalten von drei GEHEGE-RENAME-Änderungen ab, die leicht still
+ * brechen können (Redirects, Nav-Einträge, Landing-URL):
+ *  (a) /becken/* → /gehege/* Redirect (bookmarks / externe Links)
+ *  (b) Nav zeigt 'Gehege' + 🏜️, kein 'Becken', kein 'Start'-Eintrag
+ *  (c) '/' (Index) landet auf /rennmaeuse (nicht mehr auf einer Startseite)
+ *
+ * Bereits abgedeckt (NICHT dupliziert):
+ *  - gotoSection(de.nav.enclosures) navigiert zu Gehege-Heading: navigation.spec.ts:19-20
+ *  - CRUD + 409 auf /gehege: becken-kontakte.spec.ts
+ *  - Wurf-Link + Herkunft: tiere.spec.ts:101-128
+ */
+import { de, expect, test } from './fixtures'
+
+// ── (a) /becken/* → /gehege/* Redirect ──────────────────────────────────────
+
+test('GEHEGE-RENAME: /becken leitet auf /gehege weiter (bookmark-safe)', async ({ page }) => {
+  await page.goto('/becken')
+  // React Router BeckenRedirect navigiert → /gehege; Gehege-Heading muss sichtbar sein
+  await expect(page.getByRole('heading', { name: de.pages.becken.title, exact: true })).toBeVisible()
+  await expect(page).toHaveURL(/\/gehege$/)
+})
+
+test('GEHEGE-RENAME: /becken/neu leitet auf /gehege/neu weiter (deep redirect)', async ({
+  page,
+}) => {
+  await page.goto('/becken/neu')
+  // Neues-Gehege-Formular muss sichtbar sein, URL muss /gehege/neu sein
+  await expect(page.getByRole('heading', { name: de.pages.becken.form?.createTitle ?? de.pages.becken.newButton })).toBeVisible({ timeout: 6_000 })
+  await expect(page).toHaveURL(/\/gehege\/neu$/)
+})
+
+// ── (b) Nav: 'Gehege' ✓, 'Becken' ✗, 'Start' ✗ ──────────────────────────────
+
+test('GEHEGE-RENAME: Nav hat "Gehege"-Eintrag mit Terrarium-Icon, kein "Becken"', async ({
+  page,
+}) => {
+  await page.goto('/rennmaeuse')
+  const nav = page.getByRole('navigation', { name: de.nav.mainNavigation })
+
+  // Gehege-Link soll vorhanden sein (via „Mehr"-Blatt auf Phone oder direkt auf Desktop)
+  // Wir öffnen „Mehr" um sekundäre Links sichtbar zu machen
+  const moreBtn = nav.getByRole('button', { name: de.nav.more })
+  if (await moreBtn.isVisible()) {
+    await moreBtn.click()
+  }
+  await expect(nav.getByRole('link', { name: de.nav.enclosures })).toBeVisible()
+  // "Becken" als separater Nav-Eintrag darf nicht mehr existieren
+  await expect(nav.getByRole('link', { name: 'Becken', exact: true })).toBeHidden()
+})
+
+test('GEHEGE-RENAME: Nav hat keinen "Start"-Eintrag mehr (de.nav.home entfernt)', async ({
+  page,
+}) => {
+  await page.goto('/rennmaeuse')
+  // Warten bis die Tierliste geladen ist, dann Nav prüfen
+  await expect(page.getByRole('heading', { name: de.pages.gerbils.title, exact: true })).toBeVisible()
+  const nav = page.getByRole('navigation', { name: de.nav.mainNavigation })
+  // 'Start' (de.nav.home wurde entfernt) darf kein Nav-Link mehr sein
+  await expect(nav.getByRole('link', { name: 'Start', exact: true })).toBeHidden()
+})
+
+// ── (c) '/' landet auf /rennmaeuse ──────────────────────────────────────────
+
+test('GEHEGE-RENAME: "/" leitet auf /rennmaeuse weiter — keine Startseite mehr', async ({
+  page,
+}) => {
+  await page.goto('/')
+  // URL muss /rennmaeuse sein (Navigate replace)
+  await expect(page).toHaveURL(/\/rennmaeuse$/)
+  // Tierliste-Heading sichtbar — nicht die alte Startseite
+  await expect(
+    page.getByRole('heading', { name: de.pages.gerbils.title, exact: true }),
+  ).toBeVisible()
+  // Alten Willkommen-Text darf es nicht mehr geben (de.pages.home wurde entfernt)
+  await expect(page.getByText('Willkommen')).toBeHidden()
+})
+
+test('GEHEGE-RENAME: 404-Seite "Zur Startseite" landet weiterhin auf Tierliste', async ({
+  page,
+}) => {
+  await page.goto('/diese-seite-gibt-es-nicht')
+  await expect(page.getByText(de.pages.notFound.message)).toBeVisible()
+  await page.getByRole('link', { name: de.pages.notFound.backHome }).click()
+  // Nach Klick auf "Zur Startseite" → '/' → redirect → /rennmaeuse
+  await expect(page.getByRole('heading', { name: de.pages.gerbils.title, exact: true })).toBeVisible()
+  await expect(page).toHaveURL(/\/rennmaeuse$/)
+})

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

@@ -361,6 +361,26 @@ export async function installMockApi(page: Page): Promise<MockDb> {
       return json(route, 201, contract)
     }
 
+    // FEAT-NAMEGEN: /names/suggest
+    if (path === '/names/suggest' && method === 'GET') {
+      if (!db.namesConfigured) {
+        return json(route, 503, { code: 'NamesKeyMissing', message: 'Kein API-Key konfiguriert' })
+      }
+      const letter = url.searchParams.get('letter')?.toUpperCase()
+      const allSuggestions = [
+        { name: 'Fenrir', meaning: 'Wolf aus der Nordischen Mythologie', origin: 'Nordisch' },
+        { name: 'Freya', meaning: 'Göttin der Liebe und Fruchtbarkeit', origin: 'Nordisch' },
+        { name: 'Artemis', meaning: 'Göttin der Jagd und des Mondlichts', origin: 'Griech. Mythologie' },
+        { name: 'Kira', meaning: 'Strahlendes Licht', origin: 'Japanisch' },
+        { name: 'Luna', meaning: 'Mondgöttin', origin: 'Griech. Mythologie' },
+        { name: 'Baldur', meaning: 'Gott des Lichts und der Reinheit', origin: 'Nordisch' },
+      ]
+      const result = letter
+        ? allSuggestions.filter((s) => s.name.startsWith(letter))
+        : allSuggestions
+      return json(route, 200, result)
+    }
+
     // Generische Kollektionen: /<resource> und /<resource>/<id>
     m = path.match(/^\/([a-z-]+)(?:\/([^/]+))?$/)
     const col = m ? collections[m[1]] : undefined

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

@@ -74,6 +74,8 @@ export interface MockDb {
   // ABGABE: Verträge + KI-Inserat-Flag
   contracts: MockContract[]
   saleAdConfigured: boolean
+  // FEAT-NAMEGEN: Namensvorschläge — false = 503 NamesKeyMissing simulieren
+  namesConfigured: boolean
 }
 
 function gerbil(
@@ -292,5 +294,6 @@ export function seedDb(): MockDb {
     mailConfigured: true,
     contracts: [],
     saleAdConfigured: true,
+    namesConfigured: true,
   }
 }

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

@@ -0,0 +1,59 @@
+/** FEAT-NAMEGEN: UC-1 — 'Name vorschlagen'-Panel auf der GerbilFormPage. */
+import { de, expect, skipUnlessMock, test } from './fixtures'
+
+const t = de.namegen
+const tf = de.pages.gerbils.form
+
+test('Name-vorschlagen-Panel öffnet sich und zeigt Vorschläge (FEAT-NAMEGEN)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+  await expect(page.getByRole('heading', { name: tf.createTitle })).toBeVisible()
+
+  // Panel öffnen
+  await page.getByRole('button', { name: t.button }).click()
+  await expect(page.getByText(t.panelTitle)).toBeVisible()
+
+  // Vorschläge laden
+  await page.getByRole('button', { name: t.loadButton }).click()
+  // Fenrir ist im Mock immer dabei (kein Buchstabe-Filter)
+  await expect(page.getByRole('button', { name: 'Fenrir' })).toBeVisible()
+  await expect(page.getByText('Wolf aus der Nordischen Mythologie')).toBeVisible()
+})
+
+test('Klick auf Vorschlag befüllt Namensfeld und schließt Panel (FEAT-NAMEGEN)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+  await page.getByRole('button', { name: t.button }).click()
+  await page.getByRole('button', { name: t.loadButton }).click()
+  await expect(page.getByRole('button', { name: 'Fenrir' })).toBeVisible()
+
+  // Klick auf Vorschlag 'Fenrir'
+  await page.getByRole('button', { name: 'Fenrir' }).click()
+
+  // Panel geschlossen, Name-Feld befüllt
+  await expect(page.getByText(t.panelTitle)).toBeHidden()
+  await expect(page.getByLabel(`${de.pages.gerbils.fields.name} *`)).toHaveValue('Fenrir')
+})
+
+test('Buchstabe-Filter schränkt Vorschläge ein (FEAT-NAMEGEN)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/neu')
+  await page.getByRole('button', { name: t.button }).click()
+  await page.getByLabel(t.letterLabel).fill('F')
+  await page.getByRole('button', { name: t.loadButton }).click()
+
+  // Mock gibt nur Namen mit F zurück: Fenrir + Freya
+  await expect(page.getByRole('button', { name: 'Fenrir' })).toBeVisible()
+  await expect(page.getByRole('button', { name: 'Freya' })).toBeVisible()
+  // Artemis (A) nicht sichtbar
+  await expect(page.getByRole('button', { name: 'Artemis' })).toBeHidden()
+})
+
+test('503 NamesKeyMissing zeigt freundlichen Hinweis (FEAT-NAMEGEN)', async ({ page, mockDb }) => {
+  skipUnlessMock()
+  if (mockDb) mockDb.namesConfigured = false
+  await page.goto('/rennmaeuse/neu')
+  await page.getByRole('button', { name: t.button }).click()
+  await page.getByRole('button', { name: t.loadButton }).click()
+  await expect(page.getByText(t.keyMissing)).toBeVisible()
+})

gerbil-manager-web/e2e/smoke-2.spec.ts

@@ -0,0 +1,169 @@
+/**
+ * QA-SMOKE-2: Gezielter Live-Smoke der heute gemergten Änderungen (main e6b513e).
+ * Läuft NUR im LIVE-Modus (E2E_BASE_URL gesetzt).
+ *
+ * Abgedeckte Änderungen:
+ *  1. GEN-3h  — Bracket-Notation: eef→ee[f], cchm→c[chm], C/cchm→Cc[chm]
+ *  2. FORM-FIELDS — originBreeder + isDeaf im Tier-Editformular
+ *  3. CR-2    — Partial-Update nullt keine bestehenden Felder mehr
+ *  4. UI-POLISH — '(ohne Namen)'-Platzhalter für namenlose Tiere
+ *  5. GEHEGE   — Redirects + Nav (bereits in gehege-regression.spec; hier live-Verifikation)
+ *
+ * Read-Only soweit möglich. CR-2-Test: idempotentes Save (keine Wertänderung).
+ */
+import { de, expect, skipUnlessLive, test } from './fixtures'
+
+const API = 'http://localhost:5179'
+
+// ── 1. GEN-3h Bracket-Notation ───────────────────────────────────────────────
+
+test('GEN-3h: eef zeigt ee[f] (nicht "eef") im Tier-Detail', async ({ page }) => {
+  skipUnlessLive()
+  // Roswitha — genotype: "aa CC D? eef Gg P? spsp ??"
+  // eef = e/ef het → E>e>ef Rank → ee[f]
+  await page.goto('/rennmaeuse/66ee246c-26f0-41ac-8b6c-c151d9287633')
+  await expect(page.getByRole('heading', { name: 'Roswitha von den Kleinen Chaoten' })).toBeVisible()
+  // Genotyp-Block soll e[f] enthalten, nicht rohes 'eef'
+  const genoCode = page.locator('code').filter({ hasText: /e\[f\]/ })
+  await expect(genoCode).toBeVisible({ timeout: 8_000 })
+  // Rohes 'eef' darf nicht mehr im Code-Block stehen
+  await expect(page.locator('code').filter({ hasText: /[^[]eef/ })).toBeHidden()
+})
+
+test('GEN-3h: cchm/cchm zeigt c[chm]c[chm] im Tier-Detail (ZoneFire)', async ({ page }) => {
+  skipUnlessLive()
+  // ZoneFire — genotype: "Aa cchmcchm D? Ee Gg P? Spsp ??"
+  await page.goto('/rennmaeuse/14d5cea9-0f87-4381-8afe-80f1d58f7b76')
+  await expect(page.getByRole('heading', { name: 'ZoneFire' })).toBeVisible()
+  const genoCode = page.locator('code').filter({ hasText: /c\[chm\]/ })
+  await expect(genoCode).toBeVisible({ timeout: 8_000 })
+  await expect(page.locator('code').filter({ hasText: /cchmcchm/ })).toBeHidden()
+})
+
+test('GEN-3h: Cc[chm] + ee[f] korrekt bei Ethan (gemischter Locus)', async ({ page }) => {
+  skipUnlessLive()
+  // Ethan — genotype: "Aa Ccchm D? eef Gg Pp Spsp ??"
+  // Ccchm → Cc[chm]; eef → ee[f]
+  await page.goto('/rennmaeuse/54ef9b08-0def-496e-95db-5107b732ddd4')
+  await expect(page.getByRole('heading', { name: 'Ethan von den Kleinen Chaoten' })).toBeVisible()
+  const genoCode = page.locator('code')
+  await expect(genoCode.filter({ hasText: /c\[chm\]/ })).toBeVisible({ timeout: 8_000 })
+  await expect(genoCode.filter({ hasText: /e\[f\]/ })).toBeVisible()
+  // Rohes Storage-Format darf nicht sichtbar sein
+  await expect(genoCode.filter({ hasText: /Ccchm|eef/ })).toBeHidden()
+})
+
+// ── 2. FORM-FIELDS: originBreeder + isDeaf im Formular ───────────────────────
+
+test('FORM-FIELDS: Herkunft-Freitext + Gehörlos-Dropdown im Tier-Editformular', async ({
+  page,
+}) => {
+  skipUnlessLive()
+  // Ethan hat bereits originBreeder="Kleinen Chaoten", isDeaf=null
+  await page.goto('/rennmaeuse/54ef9b08-0def-496e-95db-5107b732ddd4/bearbeiten')
+  await expect(page.getByRole('heading', { name: de.pages.gerbils.form.editTitle })).toBeVisible({ timeout: 8_000 })
+
+  // Herkunft-Freitext (originBreeder) soll sichtbar und gefüllt sein
+  const originInput = page.getByLabel(de.pages.gerbils.fields.originBreeder)
+  await expect(originInput).toBeVisible()
+  await expect(originInput).toHaveValue('Kleinen Chaoten')
+
+  // Gehörlos-Dropdown (isDeaf) soll sichtbar sein mit "Unbekannt"-Default
+  // Gehörlos-Dropdown (isDeaf): label 'Gehörlos', aktuell leer (Unbekannt)
+  const deafLabel = page.locator('label').filter({ hasText: de.pages.gerbils.fields.isDeaf })
+  await expect(deafLabel).toBeVisible()
+  // Dropdown-Select im Label-Kontext
+  const deafSelect = deafLabel.locator('select')
+  await expect(deafSelect).toBeVisible()
+})
+
+// ── 3. CR-2: idempotentes Save nullt keine Felder ────────────────────────────
+
+test('CR-2: Partial-PUT nullt keine bestehenden Felder (direkter API-Test)', async ({ page }) => {
+  skipUnlessLive()
+  // Snapshot VORHER
+  const before = await page.request.get(`${API}/gerbils/54ef9b08-0def-496e-95db-5107b732ddd4`)
+  const snap = await before.json()
+  expect(snap.originBreeder).toBe('Kleinen Chaoten')
+  expect(snap.genotype).toBeTruthy()
+
+  // Partial-PUT: nur name + gender senden (minimal body, alle anderen Felder fehlen)
+  // Mit PATCH-Semantik-Fix: fehlende Felder werden NICHT genullt
+  const res = await page.request.put(`${API}/gerbils/54ef9b08-0def-496e-95db-5107b732ddd4`, {
+    data: {
+      name: snap.name,
+      gender: snap.gender,
+      status: snap.status,
+      isResident: snap.isResident,
+      // ALLE anderen Felder absichtlich weggelassen → vor CR-2-Fix würden sie auf null gesetzt
+    },
+  })
+  // PATCH-Semantik: 204 No Content (kein Body), fehlende Felder bleiben erhalten
+  expect(res.status()).toBe(204)
+
+  // Re-Fetch und vergleichen
+  const afterRes = await page.request.get(`${API}/gerbils/54ef9b08-0def-496e-95db-5107b732ddd4`)
+  const updated = await afterRes.json()
+
+  expect(updated.originBreeder).toBe(snap.originBreeder)     // muss erhalten bleiben
+  expect(updated.genotype).toBe(snap.genotype)               // muss erhalten bleiben
+  expect(updated.dateOfBirth).toBe(snap.dateOfBirth)         // muss erhalten bleiben
+  expect(updated.litterId).toBe(snap.litterId)               // muss erhalten bleiben
+  expect(updated.externalRef).toBe(snap.externalRef)         // muss erhalten bleiben
+
+  // Restore: idempotent (gleiche Werte gesetzt, kein Net-Change)
+})
+
+// ── 4. UI-POLISH: '(ohne Namen)'-Platzhalter ─────────────────────────────────
+
+test('UI-POLISH: namenlose Tiere zeigen "(ohne Namen)" in der Tierliste', async ({ page }) => {
+  skipUnlessLive()
+  // Alle Tiere anzeigen (inkl. externe), um namenlose zu sehen
+  await page.goto('/rennmaeuse')
+  await expect(page.getByRole('heading', { name: de.pages.gerbils.title, exact: true })).toBeVisible()
+  // "(ohne Namen)" Platzhalter soll mindestens einmal sichtbar sein
+  // (Filter auf alle Tiere — ggf. "Externe anzeigen" aktivieren)
+  const placeholder = page.getByText('(ohne Namen)')
+  // Wenn nicht sofort sichtbar, Toggle "Externe anzeigen" probieren
+  if (!(await placeholder.isVisible({ timeout: 3_000 }).catch(() => false))) {
+    const toggle = page.locator('button, label').filter({ hasText: /extern|alle/i }).first()
+    if (await toggle.isVisible()) await toggle.click()
+  }
+  await expect(placeholder.first()).toBeVisible({ timeout: 8_000 })
+})
+
+test('UI-POLISH: namenloser Knoten im Stammbaum zeigt "(ohne Namen)"', async ({ page }) => {
+  skipUnlessLive()
+  // Stammbaum eines Tiers mit namenlosem Elternteil
+  // Tier "46c646a9" ist namenlos + resident; sein Elternteil im Stammbaum-Kontext
+  // Alternativ: Vance's Stammbaum enthält tiefe Äste, manche namenlos
+  await page.goto('/rennmaeuse/afdaff89-0274-4778-8f2f-3957a81bf58e/stammbaum')
+  await expect(page.locator('svg').first()).toBeVisible({ timeout: 12_000 })
+  // Prüfe ob "(ohne Namen)" irgendwo im Baum erscheint
+  const placeholder = page.getByText('(ohne Namen)')
+  // Kein harter Fail wenn kein namenloser Knoten sichtbar — Tree kann mit Lazy-Gen-5+ variieren
+  // Aber wenn vorhanden, muss der Text sauber sein (nicht leer)
+  const visible = await placeholder.isVisible({ timeout: 5_000 }).catch(() => false)
+  if (visible) {
+    await expect(placeholder.first()).toBeVisible()
+  }
+  // Kein JS-Error auf der Seite (implizit durch erfolgreiche Navigation)
+})
+
+// ── 5. GEHEGE: Live-Verifikation der Redirect/Nav-Änderungen ─────────────────
+
+test('GEHEGE live: /becken leitet auf /gehege weiter', async ({ page }) => {
+  skipUnlessLive()
+  await page.goto('/becken')
+  await expect(page).toHaveURL(/\/gehege$/, { timeout: 5_000 })
+  await expect(page.getByRole('heading', { name: de.pages.becken.title, exact: true })).toBeVisible()
+})
+
+test('GEHEGE live: "/" leitet auf /rennmaeuse weiter (kein Start-Screen)', async ({ page }) => {
+  skipUnlessLive()
+  await page.goto('/')
+  await expect(page).toHaveURL(/\/rennmaeuse$/, { timeout: 5_000 })
+  await expect(
+    page.getByRole('heading', { name: de.pages.gerbils.title, exact: true }),
+  ).toBeVisible()
+})

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

@@ -53,3 +53,12 @@ test('unbekanntes Tier zeigt den deutschen Nicht-gefunden-Zustand', async ({ pag
   await page.goto('/rennmaeuse/gibt-es-nicht/stammbaum')
   await expect(page.getByText(t.notFound).or(page.getByText(de.api.errors.notFound))).toBeVisible()
 })
+
+test('Namenloser Ahne zeigt Platzhalter in der Stammbaum-Karte (UI-POLISH-2)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/nameless-stub/stammbaum')
+  // Titel zeigt '(ohne Namen)'
+  await expect(page.getByRole('heading', { name: t.titleFor(de.pages.gerbils.nameless) })).toBeVisible()
+  // Karte selbst zeigt '(ohne Namen)' statt leer
+  await expect(page.locator('.pedigree-card__nametext')).toHaveText(de.pages.gerbils.nameless)
+})

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

@@ -149,3 +149,50 @@ test('Tier bearbeiten — Notizen ändern', async ({ page }) => {
   await expect(page.getByRole('heading', { name: 'Krümel' })).toBeVisible()
   await expect(page.getByText('Sehr zutraulich.')).toBeVisible()
 })
+
+test('Tier bearbeiten — originBreeder Freitext round-trip (FORM-FIELDS-1)', async ({ page }) => {
+  skipUnlessMock()
+  // Fridolin hat originBreeder='Zoohandlung Meier', kein originContactId → Freitext-Feld vorbelegt
+  await page.goto('/rennmaeuse/fridolin/bearbeiten')
+  await expect(page.getByLabel(t.fields.originBreeder)).toHaveValue('Zoohandlung Meier')
+  await page.getByLabel(t.fields.originBreeder).fill('Neue Musterzucht')
+  await page.getByRole('button', { name: t.form.save, exact: true }).click()
+  // Detailseite: Herkunft zeigt den neuen Wert (kein Contact → originBreeder-Text)
+  await expect(page.getByText('Neue Musterzucht')).toBeVisible()
+})
+
+test('Tier bearbeiten — isDeaf Tristate round-trip (FORM-FIELDS-1)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/kruemel/bearbeiten')
+  // Standard: Unbekannt (null → value='')
+  await expect(page.getByLabel(t.fields.isDeaf)).toHaveValue('')
+  await page.getByLabel(t.fields.isDeaf).selectOption({ label: t.form.isDeafYes })
+  await page.getByRole('button', { name: t.form.save, exact: true }).click()
+  // Zurück zur Bearbeiten-Seite: Wert muss erhalten sein
+  await page.goto('/rennmaeuse/kruemel/bearbeiten')
+  await expect(page.getByLabel(t.fields.isDeaf)).toHaveValue('true')
+})
+
+test('Detailseite: Würfe als Elternteil zeigt verlinkten Wurf (ANIMAL-LITTERS)', async ({ page }) => {
+  skipUnlessMock()
+  // Fridolin ist fatherId von 'w-kruemel' (Wurf K)
+  await page.goto('/rennmaeuse/fridolin')
+  await expect(page.getByRole('heading', { name: 'Fridolin' })).toBeVisible()
+  await expect(page.getByText(t.detail.parentLittersTitle)).toBeVisible()
+  // Wurf K als Link sichtbar
+  const litterLink = page.getByRole('link', { name: /Wurf K/ })
+  await expect(litterLink).toBeVisible()
+  // Vater-Badge sichtbar
+  await expect(page.getByText(t.detail.parentLittersRoleVater)).toBeVisible()
+  // Navigation zum Wurf funktioniert
+  await litterLink.first().click()
+  await expect(page.getByRole('heading', { name: 'Wurf K' })).toBeVisible()
+})
+
+test('Detailseite: Keine Würfe als Elternteil zeigt Leer-Zustand (ANIMAL-LITTERS)', async ({ page }) => {
+  skipUnlessMock()
+  // Krümel hat keine Würfe als Elternteil (nur als Kind von w-kruemel)
+  await page.goto('/rennmaeuse/kruemel')
+  await expect(page.getByText(t.detail.parentLittersTitle)).toBeVisible()
+  await expect(page.getByText(t.detail.parentLittersEmpty)).toBeVisible()
+})

gerbil-manager-web/src/api/__tests__/names.test.ts

@@ -0,0 +1,78 @@
+/** FEAT-NAMEGEN: Tests für buildSuggestPath + NAMEGEN_USAGES. */
+import { describe, expect, it } from 'vitest'
+import { buildSuggestPath, NAMEGEN_USAGES } from '../names'
+
+describe('buildSuggestPath', () => {
+  it('includes uppercased letter', () => {
+    const path = buildSuggestPath({ letter: 'f', gender: 'female', usages: ['norn'] })
+    expect(path).toContain('letter=F')
+  })
+
+  it('omits letter when blank', () => {
+    const path = buildSuggestPath({ letter: '', usages: ['norn'] })
+    expect(path).not.toContain('letter=')
+  })
+
+  it('omits letter when only whitespace', () => {
+    const path = buildSuggestPath({ letter: '  ', usages: ['norn'] })
+    expect(path).not.toContain('letter=')
+  })
+
+  it('includes gender', () => {
+    const path = buildSuggestPath({ gender: 'male', usages: ['norn'] })
+    expect(path).toContain('gender=male')
+  })
+
+  it('omits gender for empty string', () => {
+    const path = buildSuggestPath({ gender: '', usages: ['norn'] })
+    expect(path).not.toContain('gender=')
+  })
+
+  it('joins multiple usages without encoding commas', () => {
+    const path = buildSuggestPath({ usages: ['norn', 'mythg'] })
+    expect(path).toContain('usages=norn,mythg')
+  })
+
+  it('omits usages when array is empty', () => {
+    const path = buildSuggestPath({ usages: [] })
+    expect(path).not.toContain('usages=')
+  })
+
+  it('defaults count to 6', () => {
+    const path = buildSuggestPath({ usages: ['norn'] })
+    expect(path).toContain('count=6')
+  })
+
+  it('uses provided count', () => {
+    const path = buildSuggestPath({ usages: ['norn'], count: 8 })
+    expect(path).toContain('count=8')
+  })
+
+  it('starts with /names/suggest', () => {
+    const path = buildSuggestPath({ usages: ['norn'] })
+    expect(path).toMatch(/^\/names\/suggest\?/)
+  })
+})
+
+describe('NAMEGEN_USAGES', () => {
+  it('contains all 5 expected culture codes', () => {
+    const codes = NAMEGEN_USAGES.map((u) => u.code)
+    expect(codes).toContain('norn')
+    expect(codes).toContain('japa')
+    expect(codes).toContain('mythg')
+    expect(codes).toContain('ger')
+    expect(codes).toContain('arb')
+    expect(codes).toContain('disney')
+    expect(codes).toContain('pokemon')
+    expect(codes).toContain('encities')
+    expect(codes).toContain('hrcities')
+    expect(codes).toContain('usstates')
+    expect(codes).toHaveLength(10)
+  })
+
+  it('every usage has a non-empty label', () => {
+    for (const u of NAMEGEN_USAGES) {
+      expect(u.label.length).toBeGreaterThan(0)
+    }
+  })
+})

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

@@ -0,0 +1,45 @@
+/** FEAT-NAMEGEN: Namensvorschläge — Schnittstelle zum Backend /names/suggest. */
+import { api } from './client'
+
+export interface NameSuggestion {
+  name: string
+  meaning: string
+  origin: string
+}
+
+export const NAMEGEN_USAGES = [
+  { code: 'norn', label: 'Nordisch' },
+  { code: 'japa', label: 'Japanisch' },
+  { code: 'mythg', label: 'Griech. Mythologie' },
+  { code: 'ger', label: 'Deutsch' },
+  { code: 'arb', label: 'Arabisch' },
+  { code: 'disney', label: 'Disney' },
+  { code: 'pokemon', label: 'Pokémon' },
+  { code: 'encities', label: 'Englische Städte' },
+  { code: 'hrcities', label: 'Kroatische Städte' },
+  { code: 'usstates', label: 'US-Bundesstaaten' },
+] as const
+
+export type NamegenUsageCode = (typeof NAMEGEN_USAGES)[number]['code']
+
+export interface SuggestNamesParams {
+  letter?: string
+  gender?: string
+  usages: NamegenUsageCode[]
+  count?: number
+}
+
+/** Exported for unit tests — builds the query path without a network call. */
+export function buildSuggestPath(params: SuggestNamesParams): string {
+  const parts: string[] = []
+  const letter = params.letter?.trim().toUpperCase()
+  if (letter) parts.push(`letter=${encodeURIComponent(letter)}`)
+  if (params.gender && params.gender !== '') parts.push(`gender=${encodeURIComponent(params.gender)}`)
+  if (params.usages.length > 0) parts.push(`usages=${params.usages.join(',')}`)
+  parts.push(`count=${params.count ?? 6}`)
+  return `/names/suggest?${parts.join('&')}`
+}
+
+export function suggestNames(params: SuggestNamesParams): Promise<NameSuggestion[]> {
+  return api.get<NameSuggestion[]>(buildSuggestPath(params))
+}

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

@@ -54,6 +54,8 @@ export interface Gerbil {
    * as resident (backend default true).
    */
   isResident?: boolean
+  /** FORM-FIELDS-1: true=gehörlos, false=hörend, null=unbekannt. */
+  isDeaf?: boolean | null
 }
 
 /** Payload for POST /gerbils. */
@@ -76,6 +78,7 @@ export interface CreateGerbil {
   characterTraits?: string[] | null
   characterNote?: string | null
   isResident?: boolean
+  isDeaf?: boolean | null
 }
 
 /** Payload for PUT /gerbils/{id} (all optional / partial update). */

gerbil-manager-web/src/components/BreedingResultView.tsx

@@ -43,16 +43,29 @@ export default function BreedingResultView({ result, title }: BreedingResultView
       ) : (
         <>
           <ul className="farbschlag-cards">
-            {result.byFarbschlag.map((f) => (
-              <li key={f.farbschlag} className="farbschlag-card">
-                <FarbschlagImage name={f.farbschlag} />
-                <span className="farbschlag-card__name">{f.farbschlag}</span>
-                <span className="farbschlag-card__prob">
-                  {f.probability.percent}
-                  <small> ({f.probability.text})</small>
-                </span>
-              </li>
-            ))}
+            {result.byFarbschlag.map((f) => {
+              // Representative genotype: highest-prob offspring for this farbschlag.
+              const repGenotype = result.offspring.find(
+                (o) => o.farbschlag === f.farbschlag,
+              )?.genotype
+              return (
+                <li key={f.farbschlag} className="farbschlag-card">
+                  <div className="farbschlag-card__img">
+                    <FarbschlagImage name={f.farbschlag} />
+                  </div>
+                  <div className="farbschlag-card__body">
+                    <span className="farbschlag-card__name">{f.farbschlag}</span>
+                    {repGenotype && (
+                      <code className="farbschlag-card__geno">{repGenotype}</code>
+                    )}
+                  </div>
+                  <span className="farbschlag-card__prob">
+                    {f.probability.percent}
+                    <small> ({f.probability.text})</small>
+                  </span>
+                </li>
+              )
+            })}
           </ul>
 
           <button

gerbil-manager-web/src/components/NameSuggestPanel.css

@@ -0,0 +1,114 @@
+.namegen-name-row {
+  display: flex;
+  gap: 0.5rem;
+  align-items: center;
+}
+
+.namegen-name-row .input {
+  flex: 1;
+  min-width: 0;
+}
+
+.namegen-panel {
+  border: 1px solid var(--color-border);
+  border-radius: 0.5rem;
+  padding: 1rem;
+  margin-bottom: 1rem;
+  background: var(--color-bg, #fff);
+}
+
+.namegen-panel__header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 0.75rem;
+  font-weight: 600;
+}
+
+.namegen-panel__filters {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 1rem;
+  align-items: flex-start;
+  margin-bottom: 0.75rem;
+}
+
+.namegen-panel__letter {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.namegen-panel__letter-input {
+  width: 5rem;
+}
+
+.namegen-panel__usages {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+}
+
+.namegen-usages-grid {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 0.4rem 1rem;
+}
+
+.namegen-usages-grid label {
+  display: flex;
+  align-items: center;
+  gap: 0.3rem;
+  font-size: 0.9rem;
+  cursor: pointer;
+}
+
+.namegen-suggestions {
+  list-style: none;
+  margin: 0.75rem 0 0;
+  padding: 0;
+  border-top: 1px solid var(--color-border);
+}
+
+.namegen-suggestion {
+  display: flex;
+  align-items: baseline;
+  gap: 0.5rem;
+  padding: 0.5rem 0;
+  border-bottom: 1px solid var(--color-border);
+  flex-wrap: wrap;
+}
+
+.namegen-suggestion:last-child {
+  border-bottom: none;
+}
+
+.namegen-suggestion__pick {
+  font-weight: 600;
+  color: var(--color-accent, #2563eb);
+  background: none;
+  border: none;
+  padding: 0;
+  cursor: pointer;
+  text-align: left;
+  font-size: inherit;
+  font-family: inherit;
+  min-width: 6rem;
+}
+
+.namegen-suggestion__pick:hover {
+  text-decoration: underline;
+}
+
+.namegen-suggestion__meaning {
+  flex: 1;
+  font-size: 0.88rem;
+  color: var(--color-text-muted);
+  min-width: 8rem;
+}
+
+.namegen-suggestion__origin {
+  font-size: 0.85rem;
+  color: var(--color-text-muted);
+  white-space: nowrap;
+}

gerbil-manager-web/src/components/NameSuggestPanel.tsx

@@ -0,0 +1,132 @@
+import { useState } from 'react'
+import { de } from '../strings/de'
+import { ApiError, errorCode } from '../api/client'
+import { NAMEGEN_USAGES, suggestNames, type NamegenUsageCode, type NameSuggestion } from '../api/names'
+import './NameSuggestPanel.css'
+
+interface NameSuggestPanelProps {
+  gender: string
+  onPick: (name: string) => void
+  onClose: () => void
+}
+
+const ALL_CODES = NAMEGEN_USAGES.map((u) => u.code) as NamegenUsageCode[]
+
+export default function NameSuggestPanel({ gender, onPick, onClose }: NameSuggestPanelProps) {
+  const t = de.namegen
+  const [letter, setLetter] = useState('')
+  const [usages, setUsages] = useState<Set<NamegenUsageCode>>(new Set(ALL_CODES))
+  const [loading, setLoading] = useState(false)
+  const [keyMissing, setKeyMissing] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [suggestions, setSuggestions] = useState<NameSuggestion[]>([])
+  const [fetched, setFetched] = useState(false)
+
+  function toggleUsage(code: NamegenUsageCode) {
+    setUsages((prev) => {
+      const next = new Set(prev)
+      if (next.has(code)) next.delete(code)
+      else next.add(code)
+      return next
+    })
+  }
+
+  async function load() {
+    setLoading(true)
+    setError(null)
+    setKeyMissing(false)
+    setSuggestions([])
+    try {
+      const result = await suggestNames({
+        letter: letter.trim() || undefined,
+        gender: gender || undefined,
+        usages: [...usages] as NamegenUsageCode[],
+        count: 6,
+      })
+      setSuggestions(result)
+      setFetched(true)
+    } catch (err) {
+      if (errorCode(err) === 'NamesKeyMissing') {
+        setKeyMissing(true)
+      } else {
+        setError(err instanceof ApiError ? err.message : de.api.errors.unknown)
+      }
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <div className="namegen-panel" role="region" aria-label={t.panelTitle}>
+      <div className="namegen-panel__header">
+        <span>{t.panelTitle}</span>
+        <button type="button" className="btn" onClick={onClose} aria-label={t.close}>
+          ✕
+        </button>
+      </div>
+
+      <div className="namegen-panel__filters">
+        <div className="namegen-panel__letter">
+          <label htmlFor="namegen-letter">{t.letterLabel}</label>
+          <input
+            id="namegen-letter"
+            className="input namegen-panel__letter-input"
+            value={letter}
+            onChange={(e) => setLetter(e.target.value)}
+            placeholder={t.letterPlaceholder}
+            maxLength={1}
+          />
+        </div>
+
+        <div className="namegen-panel__usages">
+          <span>{t.usagesLabel}</span>
+          <div className="namegen-usages-grid">
+            {NAMEGEN_USAGES.map(({ code, label }) => (
+              <label key={code}>
+                <input
+                  type="checkbox"
+                  checked={usages.has(code)}
+                  onChange={() => toggleUsage(code)}
+                />
+                {label}
+              </label>
+            ))}
+          </div>
+        </div>
+      </div>
+
+      <button
+        type="button"
+        className="btn btn--primary"
+        onClick={load}
+        disabled={loading || usages.size === 0}
+      >
+        {loading ? t.loading : t.loadButton}
+      </button>
+
+      {keyMissing && <p className="muted">{t.keyMissing}</p>}
+      {error && <p className="error-text">{error}</p>}
+      {fetched && !loading && !keyMissing && !error && suggestions.length === 0 && (
+        <p className="muted">{t.empty}</p>
+      )}
+
+      {suggestions.length > 0 && (
+        <ul className="namegen-suggestions" aria-label={t.panelTitle}>
+          {suggestions.map((s, i) => (
+            <li key={`${s.name}-${i}`} className="namegen-suggestion">
+              <button
+                type="button"
+                className="namegen-suggestion__pick"
+                onClick={() => onPick(s.name)}
+              >
+                {s.name}
+              </button>
+              <span className="namegen-suggestion__meaning">{s.meaning}</span>
+              <span className="namegen-suggestion__origin">{s.origin}</span>
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  )
+}

gerbil-manager-web/src/genetics/__tests__/genetics.test.ts

@@ -179,17 +179,21 @@ describe('Farbschlag catalog', () => {
     expect(match.name).toBe('Unbekannter Farbschlag')
   })
 
-  it('has the expected catalogue coverage (GEN-3g: 66 after adding CP-*-Hell het variants)', () => {
-    // GEN-3f: 73 -> 61 (cchm CP reconciliation).
-    // GEN-3g: +5 het variants (CP-Agouti/Silberagouti/Algierfuchs/Polarfuchs/Orangeschimmel -Hell),
-    // giving 61 + 5 = 66. CP-Fuchs-Hell was already counted.
-    expect(CATALOG_SIZE).toBe(66)
+  it('has the expected catalogue coverage (GEN-4: 70 after adding 4 dilute-fox entries)', () => {
+    // GEN-3f: 73 -> 61. GEN-3g: +5 -> 66. GEN-4: +4 (Dilute Algierfuchs/Goldfuchs/Rotfuchs/Polarfuchs) -> 70.
+    expect(CATALOG_SIZE).toBe(70)
   })
 
   it('frozen contract names round-trip to themselves (DB-key guard)', () => {
     // The first 18 are the frozen ColorVariety keys — their representative
     // genotype MUST resolve back to their own name, never a later variety.
+    // GEN-4 exception: 'Pink Eyed White (PEW)' (ch/ch+pp) now computes 'REW'
+    // because the REW engine check (both C-alleles reduced + pp) fires first.
+    // PEW stays in the catalog as a user-pickable import name; its computed
+    // farbschlag is intentionally 'REW' per Julian's extended rule.
+    const REW_SHADOWED = new Set(['Pink Eyed White (PEW)'])
     for (const entry of BASE_COLORS.slice(0, FROZEN_COUNT)) {
+      if (REW_SHADOWED.has(entry.name)) continue
       expect(genotypeToFarbschlag(representativeGenotype(entry))).toBe(entry.name)
     }
   })
@@ -222,8 +226,9 @@ describe('Farbschlag catalog', () => {
     expect(CATALOG).toHaveLength(CATALOG_SIZE)
     expect(CATALOG[0]).toMatchObject({ name: 'Pink Eyed White (PEW)', sortOrder: 0 })
     // Every row has a non-empty canonical genotype display string and unique name.
+    // GEN-3h: bracket notation (e[f], c[chm], c[h]) allowed in tokens.
     expect(new Set(CATALOG.map((c) => c.name)).size).toBe(CATALOG.length)
-    expect(CATALOG.every((c) => /^[A-Za-z?]+( [A-Za-z?]+){7}$/.test(c.canonicalGenotype))).toBe(true)
+    expect(CATALOG.every((c) => /^[A-Za-z[\]?-]+( [A-Za-z[\]?-]+){7}$/.test(c.canonicalGenotype))).toBe(true)
   })
 
   it('genotypeToFarbschlag (DATA-1 denormalization contract) returns the plain name', () => {
@@ -420,7 +425,8 @@ describe('GEN-3e: C-locus colourpoint naming', () => {
     expect(name('AA cchmch DD EE gg PP spsp rere')).toBe('CP-Silberagouti-Hell')
     expect(name('AA cchmch DD ee GG PP spsp rere')).toBe('CP-Algierfuchs-Hell')
     expect(name('AA cchmch DD ee gg PP spsp rere')).toBe('CP-Polarfuchs-Hell')
-    expect(name('AA cchmch dd ee GG PP spsp rere')).toBe('CP-Fuchs-Hell')
+    // GEN-4: dd base = 'Dilute Algierfuchs' → 'Dilute CP-Algierfuchs-Hell'
+    expect(name('AA cchmch dd ee GG PP spsp rere')).toBe('Dilute CP-Algierfuchs-Hell')
   })
 
   it('aa fixed colourpoint names (Marder/Siam/Zobel/Zobel-Hell)', () => {
@@ -470,8 +476,8 @@ describe('GEN-3f: CP catalog reconciled to the breeder CP- naming (matches her l
     expect(name('AA cchmcchm DD EE gg PP spsp rere')).toBe('CP-Silberagouti')
     expect(name('AA cchmcchm DD ee GG PP spsp rere')).toBe('CP-Algierfuchs')
     expect(name('AA cchmcchm DD ee gg PP spsp rere')).toBe('CP-Polarfuchs')
-    // dd agouti fox has no dedicated base -> the eFamily fallback yields 'CP-Fuchs'.
-    expect(name('AA cchmcchm dd ee GG PP spsp rere')).toBe('CP-Fuchs')
+    // GEN-4: dd+ee base = 'Dilute Algierfuchs' -> 'Dilute CP-Algierfuchs' (no more CP-Fuchs catch-all).
+    expect(name('AA cchmcchm dd ee GG PP spsp rere')).toBe('Dilute CP-Algierfuchs')
     // A- cchm efef -> CP-Orangeschimmel (Schimmel base under full C).
     expect(name('AA cchmcchm DD efef GG PP spsp rere')).toBe('CP-Orangeschimmel')
   })
@@ -480,11 +486,12 @@ describe('GEN-3f: CP catalog reconciled to the breeder CP- naming (matches her l
     const siam = BASE_COLORS.find((e) => e.name === 'Siam')!
     const zh = BASE_COLORS.find((e) => e.name === 'Zobel-Hell')!
     const cpah = BASE_COLORS.find((e) => e.name === 'CP-Agouti-Hell')!
+    // GEN-4: CP-Fuchs-Hell kept for import/hand-pick but engine now returns the specific name.
     const cpfh = BASE_COLORS.find((e) => e.name === 'CP-Fuchs-Hell')!
     expect(genotypeToFarbschlag(representativeGenotype(siam))).toBe('Siam')
     expect(genotypeToFarbschlag(representativeGenotype(zh))).toBe('Zobel-Hell')
     expect(genotypeToFarbschlag(representativeGenotype(cpah))).toBe('CP-Agouti-Hell')
-    expect(genotypeToFarbschlag(representativeGenotype(cpfh))).toBe('CP-Fuchs-Hell')
+    expect(genotypeToFarbschlag(representativeGenotype(cpfh))).toBe('Dilute CP-Algierfuchs-Hell')
   })
 })
 
@@ -506,7 +513,8 @@ describe('GEN-3g: "-Hell" in variety name == cchm/ch het; hom == cchm/cchm', ()
     expect(name('AA cchmch DD EE gg PP spsp rere')).toBe('CP-Silberagouti-Hell')
     expect(name('AA cchmch DD ee GG PP spsp rere')).toBe('CP-Algierfuchs-Hell')
     expect(name('AA cchmch DD ee gg PP spsp rere')).toBe('CP-Polarfuchs-Hell')
-    expect(name('AA cchmch dd ee GG PP spsp rere')).toBe('CP-Fuchs-Hell')
+    // GEN-4: dd+ee base = 'Dilute Algierfuchs' → prefix ordering: 'Dilute CP-Algierfuchs-Hell'
+    expect(name('AA cchmch dd ee GG PP spsp rere')).toBe('Dilute CP-Algierfuchs-Hell')
     expect(name('AA cchmch DD efef GG PP spsp rere')).toBe('CP-Orangeschimmel-Hell')
   })
 
@@ -523,3 +531,136 @@ describe('GEN-3g: "-Hell" in variety name == cchm/ch het; hom == cchm/cchm', ()
     expect(name('aa cchmch DD EE gg PP spsp rere')).toBe('Zobel-Hell')
   })
 })
+
+describe('GEN-4: Dilute prefix, REW, no-bare-Fuchs', () => {
+  const name = (s: string) => genotypeToFarbschlag(fromDisplayString(s))
+
+  it('dd entries use Dilute prefix — no more X-dd names', () => {
+    expect(name('AA CC dd EE GG PP spsp rere')).toBe('Dilute Agouti')
+    expect(name('aa CC dd EE gg PP spsp rere')).toBe('Dilute Anthrazit')
+    expect(name('aa CC dd ee GG PP spsp rere')).toBe('Dilute Kohlfuchs')
+    expect(name('aa CC dd ee gg pp spsp rere')).toBe('Dilute Blaufuchs')
+    expect(name('AA CC dd EE GG pp spsp rere')).toBe('Dilute Gold')
+    expect(name('aa CC dd EE GG pp spsp rere')).toBe('Dilute Platin')
+  })
+
+  it('REW: both C alleles reduced (no full C) + pp = REW — all three cases (Julian confirmed)', () => {
+    // hom cchm/cchm + pp
+    expect(name('AA cchmcchm DD EE GG pp spsp rere')).toBe('REW')  // CP-Gold
+    expect(name('AA cchmcchm DD ee GG pp spsp rere')).toBe('REW')  // CP-Goldfuchs
+    expect(name('AA cchmcchm DD EE gg pp spsp rere')).toBe('REW')  // CP-Elfenbein
+    expect(name('AA cchmcchm DD ee gg pp spsp rere')).toBe('REW')  // CP-Apricot
+    expect(name('AA cchmcchm dd EE GG pp spsp rere')).toBe('REW')  // CP-dd Gold
+    // het cchm/ch + pp (Julian: also REW)
+    expect(name('AA cchmch DD EE GG pp spsp rere')).toBe('REW')
+    // ch/ch + pp (Julian: also REW — subsumes PEW)
+    expect(name('AA chch DD EE GG pp spsp rere')).toBe('REW')
+    expect(name('aa chch DD EE GG pp spsp rere')).toBe('REW')
+    // Counterproof: full C present → NOT REW (residual pigment)
+    expect(name('AA Ccchm DD EE GG pp spsp rere')).not.toBe('REW') // Cc[chm] + pp = Gold-like
+    expect(name('AA Cch DD EE GG pp spsp rere')).not.toBe('REW')   // Cc[h] + pp
+  })
+
+  it('bare Fuchs never appears — dilute-fox combinations are named specifically', () => {
+    expect(name('AA CC dd ee GG PP spsp rere')).toBe('Dilute Algierfuchs')
+    expect(name('AA CC dd ee GG pp spsp rere')).toBe('Dilute Goldfuchs')
+    expect(name('aa CC dd ee GG pp spsp rere')).toBe('Dilute Rotfuchs')
+    expect(name('AA CC dd ee gg PP spsp rere')).toBe('Dilute Polarfuchs')
+  })
+})
+
+describe('GEN-3h: breeder bracket-notation display + E-locus e-before-ef order', () => {
+  // ── Display symbols ────────────────────────────────────────────────────
+  it('ef displays as e[f], cchm as c[chm], ch as c[h]', () => {
+    // Fuchsschimmel: E=[ef,ef] hom
+    expect(toDisplayString(fromDisplayString('AA CC DD efef GG PP spsp rere'))).toBe(
+      'AA CC DD e[f]e[f] GG PP spsp rere',
+    )
+    // C-locus het: cchm + ch
+    expect(toDisplayString(fromDisplayString('aa cchmch DD EE GG PP spsp rere'))).toBe(
+      'aa c[chm]c[h] DD EE GG PP spsp rere',
+    )
+    // C-locus hom cchm
+    expect(toDisplayString(fromDisplayString('aa cchmcchm DD EE GG PP spsp rere'))).toBe(
+      'aa c[chm]c[chm] DD EE GG PP spsp rere',
+    )
+  })
+
+  // ── E-locus display order: E > e > e[f] ─────────────────────────────
+  it('Fuchsschimmel het pair {ef,e} displays as ee[f] (e before e[f])', () => {
+    // Stored canonical: [ef, e] (ef dominant over e in storage).
+    // Display must swap to [e, ef] per breeder convention.
+    const g = fromDisplayString('aa CC DD eef Gg Pp spsp rere')
+    expect(g.E).toEqual(['ef', 'e']) // storage order unchanged
+    expect(toDisplayString(g)).toBe('aa CC DD ee[f] Gg Pp spsp rere')
+  })
+
+  it('E+e stays Ee (E dominant over e, no swap needed)', () => {
+    expect(toDisplayString(fromDisplayString('aa CC DD Ee GG PP spsp rere'))).toBe(
+      'aa CC DD Ee GG PP spsp rere',
+    )
+  })
+
+  it('E+ef displays Ee[f] (E dominant stays first, ef renders as e[f])', () => {
+    expect(toDisplayString(fromDisplayString('aa CC DD Eef GG PP spsp rere'))).toBe(
+      'aa CC DD Ee[f] GG PP spsp rere',
+    )
+  })
+
+  // ── Julian oracle fixtures (HUMANQUESTION D3/D4) ─────────────────────
+  it('Tier C: oracle display string round-trips exactly (aa C- D- ee[f] Gg Pp spsp rere)', () => {
+    const display = 'aa C- D- ee[f] Gg Pp spsp rere'
+    const g = fromDisplayString(display)
+    expect(g.E).toEqual(['ef', 'e'])
+    expect(g.C).toEqual(['C', '?'])
+    expect(toDisplayString(g)).toBe(display)
+    // Farbschlag scope is outside GEN-3h; god confirmed colour is correct as-is.
+  })
+
+  it('Zuleika oracle: aa c[chm]c[h] DD Ee Gg PP spsp rere', () => {
+    const display = 'aa c[chm]c[h] DD Ee Gg PP spsp rere'
+    const g = fromDisplayString(display)
+    expect(g.C).toEqual(['cchm', 'ch'])
+    expect(g.E).toEqual(['E', 'e'])
+    expect(toDisplayString(g)).toBe(display)
+  })
+
+  it('Milka oracle: aa Cc[h] dd EE Gg P- Spsp rere', () => {
+    const display = 'aa Cc[h] dd EE Gg P- Spsp rere'
+    const g = fromDisplayString(display)
+    expect(g.C).toEqual(['C', 'ch'])
+    expect(g.D).toEqual(['d', 'd'])
+    expect(toDisplayString(g)).toBe(display)
+  })
+
+  // ── Parser accepts both forms ─────────────────────────────────────────
+  it('bracket input round-trips identically to internal-symbol input', () => {
+    expect(toDisplayString(fromDisplayString('AA c[chm]c[chm] DD EE GG PP spsp rere'))).toBe(
+      toDisplayString(fromDisplayString('AA cchmcchm DD EE GG PP spsp rere')),
+    )
+    expect(toDisplayString(fromDisplayString('AA CC DD e[f]e[f] GG PP spsp rere'))).toBe(
+      toDisplayString(fromDisplayString('AA CC DD efef GG PP spsp rere')),
+    )
+    expect(toDisplayString(fromDisplayString('AA CC DD ee[f] GG PP spsp rere'))).toBe(
+      toDisplayString(fromDisplayString('AA CC DD eef GG PP spsp rere')),
+    )
+  })
+
+  it('e[-] standalone: parses as [e,?], displays e-', () => {
+    const g = fromDisplayString('aa CC DD e[-] GG PP spsp rere')
+    expect(g.E).toEqual(['e', '?'])
+    expect(toDisplayString(g)).toBe('aa CC DD e- GG PP spsp rere')
+  })
+
+  it('CR-1a: Silvain oracle ee[-] parses without crash → [e,?], displays e-', () => {
+    // Real herdbook notation: ee[-] = fox allele e + unknown e-type second allele.
+    // The lookbehind rule strips the second e[-] → '?', leaving 'e?' for splitToken.
+    const input = 'aa c[chm]c[chm] Dd ee[-] Gg Pp Spsp'
+    const g = fromDisplayString(input)
+    expect(g.E).toEqual(['e', '?'])
+    expect(g.C).toEqual(['cchm', 'cchm'])
+    expect(g.D).toEqual(['D', 'd'])
+    expect(g.Sp).toEqual(['Sp', 'sp'])
+    expect(toDisplayString(g)).toBe('aa c[chm]c[chm] Dd e- Gg Pp Spsp rere')
+  })
+})

gerbil-manager-web/src/genetics/catalog.ts

@@ -66,8 +66,8 @@ export const BASE_COLORS: readonly FarbschlagEntry[] = [
   { name: 'Platin', english: 'Lilac', tokens: { A: 'a', C: 'C', D: 'D', E: 'E', G: 'G', P: 'p' }, image: 'platin.JPG' },
   { name: 'Goldfuchs', english: 'Yellow Fox', tokens: { A: 'A', C: 'C', D: 'D', E: 'e', G: 'G', P: 'p' }, image: 'goldfuchs.jpg' },
   { name: 'Rotfuchs', english: 'Argente Nutmeg', tokens: { A: 'a', C: 'C', D: 'D', E: 'e', G: 'G', P: 'p' }, image: 'rotfuchs.JPG' },
-  { name: 'dd Gold', english: 'dd Argente Golden', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'gold-dd.jpg' },
-  { name: 'dd Platin', english: 'dd Lilac', tokens: { A: 'a', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'platin-dd.jpg' },
+  { name: 'Dilute Gold', english: 'dd Argente Golden', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'gold-dd.jpg' },
+  { name: 'Dilute Platin', english: 'dd Lilac', tokens: { A: 'a', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'platin-dd.jpg' },
 
   // ── baseportal.de varieties (GEN-2), normalized to the frozen allele table ──
   { name: 'Altweiss (REW)', tokens: { A: 'a', C: 'C', D: 'D', E: 'E', G: 'g', P: 'p' }, image: 'altweiss-rew.jpeg' },
@@ -82,10 +82,16 @@ export const BASE_COLORS: readonly FarbschlagEntry[] = [
   { name: 'Orangeschimmel', tokens: { C: 'C', D: 'D', E: 'ef', G: 'G', P: 'P' }, image: 'schimmel-orangeschimmel.jpg' },
   { name: 'Topas', tokens: { A: 'A', C: 'C', D: 'D', E: 'E', G: 'G', P: 'p' }, image: 'topas.jpg' },
   { name: 'Platin-Hell', tokens: { A: 'a', C: 'C', D: 'D', E: 'E', G: 'G', P: 'p' }, image: 'platin-hell.jpg' },
-  { name: 'Agouti dd', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'P' }, image: 'agouti-dd.jpg' },
-  { name: 'Silberagouti dd', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'g', P: 'P' }, image: 'silberagouti-dd.jpg' },
-  { name: 'Kohlfuchs dd', tokens: { A: 'a', C: 'C', D: 'd', E: 'e', G: 'G', P: 'P' }, image: 'kohlfuchs-dd.jpg' },
-  { name: 'Anthrazit dd', tokens: { A: 'a', C: 'C', D: 'd', E: 'E', G: 'g', P: 'P' }, image: 'anthrazit-dd.jpg' },
+  { name: 'Dilute Agouti', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'P' }, image: 'agouti-dd.jpg' },
+  { name: 'Dilute Silberagouti', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'g', P: 'P' }, image: 'silberagouti-dd.jpg' },
+  { name: 'Dilute Kohlfuchs', tokens: { A: 'a', C: 'C', D: 'd', E: 'e', G: 'G', P: 'P' }, image: 'kohlfuchs-dd.jpg' },
+  { name: 'Dilute Anthrazit', tokens: { A: 'a', C: 'C', D: 'd', E: 'E', G: 'g', P: 'P' }, image: 'anthrazit-dd.jpg' },
+  // GEN-4: dilute fox base entries — prevent bare 'Fuchs' family fallback for
+  // agouti+dilute+fox combinations not otherwise covered in the catalog.
+  { name: 'Dilute Algierfuchs', tokens: { A: 'A', C: 'C', D: 'd', E: 'e', G: 'G', P: 'P' } },
+  { name: 'Dilute Goldfuchs', tokens: { A: 'A', C: 'C', D: 'd', E: 'e', G: 'G', P: 'p' } },
+  { name: 'Dilute Rotfuchs', tokens: { A: 'a', C: 'C', D: 'd', E: 'e', G: 'G', P: 'p' } },
+  { name: 'Dilute Polarfuchs', tokens: { A: 'A', C: 'C', D: 'd', E: 'e', G: 'g', P: 'P' } },
   // GEN-3a: efef gg base = Silberschimmel (breeder C5) — listed before the
   // A-specific Polarfuchsschimmel so the canonical efef-gg reverse-matches here.
   { name: 'Silberschimmel', tokens: { C: 'C', D: 'D', E: 'ef', G: 'g', P: 'P' }, image: 'silberschimmel.jpg' },
@@ -104,8 +110,8 @@ export const BASE_COLORS: readonly FarbschlagEntry[] = [
   { name: 'Rotfuchs, hell', tokens: { A: 'a', C: 'C', D: 'D', E: 'e', G: 'G', P: 'p' }, image: 'rotfuchs-hell.jpg' },
   { name: 'Kohlfuchs-Hell', tokens: { A: 'a', C: 'C', D: 'D', E: 'e', G: 'G', P: 'P' }, image: 'kohlfuchs-hell-2.jpg' },
   { name: 'Algierfuchs, hell', tokens: { A: 'A', C: 'C', D: 'D', E: 'e', G: 'G', P: 'P' }, image: 'algierfuchs-hell.JPG' },
-  { name: 'Topas dd', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'topas-dd.jpg' },
-  { name: 'Blaufuchs dd', tokens: { A: 'a', C: 'C', D: 'd', E: 'e', G: 'g', P: 'p' }, image: 'blaufuchs-dd.jpg' },
+  { name: 'Dilute Topas', tokens: { A: 'A', C: 'C', D: 'd', E: 'E', G: 'G', P: 'p' }, image: 'topas-dd.jpg' },
+  { name: 'Dilute Blaufuchs', tokens: { A: 'a', C: 'C', D: 'd', E: 'e', G: 'g', P: 'p' }, image: 'blaufuchs-dd.jpg' },
 
   // ── GEN-3f/3g: c^chm colourpoint varieties ──
   // GEN-3f: aa points = marten/sable group (Marder/Siam, +gg Zobel/Zobel-Hell).
@@ -233,7 +239,13 @@ function colourpointName(g: Genotype): string | null {
   }
   // A- colourpoint: base as if C were full; het (cchm/ch) -> '-Hell' suffix.
   const base = baseColourFor(makeGenotype({ ...g, C: ['C', 'C'] }))
-  return base ? `CP-${base}${bothCchm ? '' : '-Hell'}` : null
+  if (!base) return null
+  // GEN-4: if base is a Dilute variety, prefix ordering is 'Dilute CP-X' not 'CP-Dilute X'.
+  const DILUTE = 'Dilute '
+  if (base.startsWith(DILUTE)) {
+    return `${DILUTE}CP-${base.slice(DILUTE.length)}${bothCchm ? '' : '-Hell'}`
+  }
+  return `CP-${base}${bothCchm ? '' : '-Hell'}`
 }
 
 export function farbschlagFor(g: Genotype): FarbschlagMatch {
@@ -241,6 +253,20 @@ export function farbschlagFor(g: Genotype): FarbschlagMatch {
   if (locusToken(g, 'Sp') === 'Sp') modifiers.push('Schecke')
   if (locusToken(g, 'Re') === 'Re') modifiers.push('Rex')
 
+  // GEN-4 REW check (Julian confirmed + extended): both C alleles reduced (no full 'C')
+  // AND pink-eyed (pp) = REW (Rotaugenweiß), A/D/E/G-independent.
+  //   cchm/cchm + pp → REW  (CP varieties with pink-eye)
+  //   cchm/ch  + pp → REW  (het colourpoint + pink-eye)
+  //   ch/ch    + pp → REW  (this also subsumes the frozen 'Pink Eyed White (PEW)' entry)
+  // Counterproof: at least one full 'C' + pp → NOT REW (residual pigment remains).
+  const [c0, c1] = resolvedPair(g, 'C')
+  const [p0, p1] = resolvedPair(g, 'P')
+  const cReduced = (c: string) => c === 'cchm' || c === 'ch'
+  if (cReduced(c0) && cReduced(c1) && p0 === 'p' && p1 === 'p') {
+    const name = ['REW', ...modifiers].join(' ')
+    return { name, base: null, unknown: false }
+  }
+
   const baseName = colourpointName(g) ?? baseColourFor(g)
   if (!baseName) {
     return { name: UNKNOWN_FARBSCHLAG, base: null, unknown: true }

gerbil-manager-web/src/genetics/colorVarietySeed.generated.json

@@ -2,35 +2,35 @@
   {
     "name": "Pink Eyed White (PEW)",
     "english": "Pink Eyed White",
-    "canonicalGenotype": "AA chch DD EE GG pp spsp rere",
+    "canonicalGenotype": "AA c[h]c[h] DD EE GG pp spsp rere",
     "sortOrder": 0,
     "image": "rotaugen-weiss-pew-d-sep-e-sep.jpg"
   },
   {
     "name": "Hermelin",
     "english": "Dark Tailed White",
-    "canonicalGenotype": "aa chch DD EE GG PP spsp rere",
+    "canonicalGenotype": "aa c[h]c[h] DD EE GG PP spsp rere",
     "sortOrder": 1,
     "image": "hermelin.jpeg"
   },
   {
     "name": "Himalaya",
     "english": "Himalayan",
-    "canonicalGenotype": "AA chch DD EE GG PP spsp rere",
+    "canonicalGenotype": "AA c[h]c[h] DD EE GG PP spsp rere",
     "sortOrder": 2,
     "image": "himalaya.jpg"
   },
   {
     "name": "Zobel",
     "english": "Sable",
-    "canonicalGenotype": "aa cchmcchm DD EE gg PP spsp rere",
+    "canonicalGenotype": "aa c[chm]c[chm] DD EE gg PP spsp rere",
     "sortOrder": 3,
     "image": "zobel.jpeg"
   },
   {
     "name": "Rotaugenschimmel",
     "english": "Red-Eyed Roan",
-    "canonicalGenotype": "AA CC DD efef GG pp spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] GG pp spsp rere",
     "sortOrder": 4,
     "image": "rotaugen-schimmel.jpg"
   },
@@ -168,7 +168,7 @@
   },
   {
     "name": "Orangeschimmel",
-    "canonicalGenotype": "AA CC DD efef GG PP spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 25,
     "image": "schimmel-orangeschimmel.jpg"
   },
@@ -210,31 +210,31 @@
   },
   {
     "name": "Silberschimmel",
-    "canonicalGenotype": "AA CC DD efef gg PP spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] gg PP spsp rere",
     "sortOrder": 32,
     "image": "silberschimmel.jpg"
   },
   {
     "name": "Polarfuchsschimmel",
-    "canonicalGenotype": "AA CC DD efef gg PP spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] gg PP spsp rere",
     "sortOrder": 33,
     "image": "polarfuchsschimmel.jpg"
   },
   {
     "name": "Algierfuchsschimmel",
-    "canonicalGenotype": "AA CC DD efef GG PP spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 34,
     "image": "algierfuchsschimmel.jpg"
   },
   {
     "name": "Kohlfuchsschimmel",
-    "canonicalGenotype": "aa CC DD efef GG PP spsp rere",
+    "canonicalGenotype": "aa CC DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 35,
     "image": "kohlfuchsschimmel.jpg"
   },
   {
     "name": "Blaufuchsschimmel",
-    "canonicalGenotype": "aa CC DD efef gg PP spsp rere",
+    "canonicalGenotype": "aa CC DD e[f]e[f] gg PP spsp rere",
     "sortOrder": 36,
     "image": "blaufuchsschimmel.jpg"
   },
@@ -252,7 +252,7 @@
   },
   {
     "name": "Goldfuchsschimmel",
-    "canonicalGenotype": "AA CC DD efef GG pp spsp rere",
+    "canonicalGenotype": "AA CC DD e[f]e[f] GG pp spsp rere",
     "sortOrder": 39,
     "image": "goldfuchsschimmel.jpg"
   },
@@ -270,7 +270,7 @@
   },
   {
     "name": "Rotfuchsschimmel",
-    "canonicalGenotype": "aa CC DD efef GG pp spsp rere",
+    "canonicalGenotype": "aa CC DD e[f]e[f] GG pp spsp rere",
     "sortOrder": 42,
     "image": "rotfuchsschimmel.jpg"
   },
@@ -282,7 +282,7 @@
   },
   {
     "name": "Kohlfuchsschimmel, hell",
-    "canonicalGenotype": "aa CC DD efef GG PP spsp rere",
+    "canonicalGenotype": "aa CC DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 44,
     "image": "kohlfuchsschimmel-hell.jpg"
   },
@@ -318,89 +318,89 @@
   },
   {
     "name": "Marder",
-    "canonicalGenotype": "aa cchmcchm DD EE GG PP spsp rere",
+    "canonicalGenotype": "aa c[chm]c[chm] DD EE GG PP spsp rere",
     "sortOrder": 50,
     "image": "marder.JPG"
   },
   {
     "name": "Siam",
-    "canonicalGenotype": "aa cchmch DD EE GG PP spsp rere",
+    "canonicalGenotype": "aa c[chm]c[h] DD EE GG PP spsp rere",
     "sortOrder": 51,
     "image": "siam-marder-hell.JPG"
   },
   {
     "name": "Zobel-Hell",
-    "canonicalGenotype": "aa cchmch DD EE gg PP spsp rere",
+    "canonicalGenotype": "aa c[chm]c[h] DD EE gg PP spsp rere",
     "sortOrder": 52,
     "image": "zobel-hell.jpg"
   },
   {
     "name": "CP-Agouti",
-    "canonicalGenotype": "AA cchmcchm DD EE GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] DD EE GG PP spsp rere",
     "sortOrder": 53,
     "image": "agouti-cp.jpg"
   },
   {
     "name": "CP-Agouti-Hell",
-    "canonicalGenotype": "AA cchmch DD EE GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] DD EE GG PP spsp rere",
     "sortOrder": 54
   },
   {
     "name": "CP-Silberagouti",
-    "canonicalGenotype": "AA cchmcchm DD EE gg PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] DD EE gg PP spsp rere",
     "sortOrder": 55,
     "image": "silberagouti-cp.JPG"
   },
   {
     "name": "CP-Silberagouti-Hell",
-    "canonicalGenotype": "AA cchmch DD EE gg PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] DD EE gg PP spsp rere",
     "sortOrder": 56
   },
   {
     "name": "CP-Algierfuchs",
-    "canonicalGenotype": "AA cchmcchm DD ee GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] DD ee GG PP spsp rere",
     "sortOrder": 57,
     "image": "algierfuchs-cp.jpg"
   },
   {
     "name": "CP-Algierfuchs-Hell",
-    "canonicalGenotype": "AA cchmch DD ee GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] DD ee GG PP spsp rere",
     "sortOrder": 58
   },
   {
     "name": "CP-Polarfuchs",
-    "canonicalGenotype": "AA cchmcchm DD ee gg PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] DD ee gg PP spsp rere",
     "sortOrder": 59,
     "image": "polarfuchs-cp.jpg"
   },
   {
     "name": "CP-Polarfuchs-Hell",
-    "canonicalGenotype": "AA cchmch DD ee gg PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] DD ee gg PP spsp rere",
     "sortOrder": 60
   },
   {
     "name": "CP-Fuchs",
-    "canonicalGenotype": "AA cchmcchm dd ee GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] dd ee GG PP spsp rere",
     "sortOrder": 61
   },
   {
     "name": "CP-Fuchs-Hell",
-    "canonicalGenotype": "AA cchmch dd ee GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] dd ee GG PP spsp rere",
     "sortOrder": 62
   },
   {
     "name": "CP-Blaufuchs",
-    "canonicalGenotype": "AA cchmcchm dd ee gg PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] dd ee gg PP spsp rere",
     "sortOrder": 63
   },
   {
     "name": "CP-Orangeschimmel",
-    "canonicalGenotype": "AA cchmcchm DD efef GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[chm] DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 64
   },
   {
     "name": "CP-Orangeschimmel-Hell",
-    "canonicalGenotype": "AA cchmch DD efef GG PP spsp rere",
+    "canonicalGenotype": "AA c[chm]c[h] DD e[f]e[f] GG PP spsp rere",
     "sortOrder": 65
   }
 ]

gerbil-manager-web/src/genetics/genotype.ts

@@ -74,6 +74,32 @@ export function wildType(): Genotype {
   return out
 }
 
+/**
+ * GEN-3h: breeder bracket-notation display symbols.
+ * STORAGE symbols (ef / cchm / ch) are frozen; only the rendered form changes.
+ */
+const DISPLAY_SYMBOL: Readonly<Partial<Record<string, string>>> = {
+  ef: 'e[f]',
+  cchm: 'c[chm]',
+  ch: 'c[h]',
+}
+function displaySymbol(allele: string): string {
+  return DISPLAY_SYMBOL[allele] ?? allele
+}
+
+/**
+ * GEN-3h: E-locus display order — breeder convention is E > e > e[f].
+ * Storage/dominance order is E > ef > e; display swaps ef and e so that
+ * a Fuchsschimmel (E=[ef,e] stored) renders as "ee[f]" not "e[f]e".
+ */
+const E_DISPLAY_RANK: Readonly<Record<string, number>> = { E: 0, e: 1, ef: 2 }
+
+function displayPair(locus: LocusKey, pair: AllelePair): AllelePair {
+  if (locus !== 'E') return pair
+  const rank = (x: string) => E_DISPLAY_RANK[x] ?? Number.MAX_SAFE_INTEGER
+  return rank(pair[0]) <= rank(pair[1]) ? pair : [pair[1], pair[0]]
+}
+
 /**
  * Compact display string, e.g. "Aa CC Dd EE GG Pp spsp rere".
  * The Sls locus is OMITTED when wild-type (sl/sl) so legacy 8-locus strings and
@@ -81,12 +107,18 @@ export function wildType(): Genotype {
  * (e.g. "… spsp rere Slsl"). Round-trips: a missing Sls re-parses to sl/sl.
  * GEN-3c: unknown alleles are STORED as '?' but DISPLAYED as '-' (breeder
  * convention) — e.g. ['C','?'] renders "C-".
+ * GEN-3h: sub-alleles use breeder bracket notation (e[f], c[chm], c[h]);
+ * E-locus display order is E > e > e[f] (e before e[f] in het pairs).
  */
 export function toDisplayString(g: Genotype): string {
   return LOCUS_ORDER.filter(
     (locus) => locus !== 'Sls' || !(g.Sls[0] === 'sl' && g.Sls[1] === 'sl'),
   )
-    .map((locus) => (g[locus][0] + g[locus][1]).replace(/\?/g, '-'))
+    .map((locus) => {
+      const [a, b] = displayPair(locus, g[locus])
+      return displaySymbol(a) + displaySymbol(b)
+    })
+    .map((s) => s.replace(/\?/g, '-'))
     .join(' ')
 }
 
@@ -146,8 +178,19 @@ function normalizeToken(tok: string): string | null {
   if (t === 'WP') t = 'Slsl'
   t = t.replace(/S\(l\)/g, 'Sl').replace(/s\(l\)/g, 'sl')
   t = t.replace(/Uw/g, 'G').replace(/uw/g, 'g')
-  // GEN-3c: '-' is the breeder's UNKNOWN marker on input; store internally as '?'
-  // (the frozen storage contract keeps '?'; only DISPLAY renders '-').
+  // GEN-3h: accept bracket display notation → canonical internal symbols.
+  t = t.replace(/e\[f\]/g, 'ef')     // Schimmel allele display form → internal
+  t = t.replace(/c\[chm\]/g, 'cchm') // Colourpoint display form → internal
+  t = t.replace(/c\[h\]/g, 'ch')     // Himalayan display form → internal
+  // CR-1a: allele-prefixed bracket-unknown like ee[-] (Silvain).
+  // When e[-] is PRECEDED by a letter it is the second unknown allele in a
+  // 2-allele token (e.g. ee[-] → e + e[-] → e + ?).  Lookbehind strips only
+  // the e[-] part; the leading allele stays. Standalone e[-] falls through to
+  // the generic [-]→? rule below (which makes the bracket-dash a wildcard,
+  // leaving the leading allele intact for splitToken).
+  t = t.replace(/(?<=[A-Za-z])e\[-\]/g, '?')
+  t = t.replace(/\[-\]/g, '?')       // bare/standalone bracket-unknown → wildcard
+  // GEN-3c: plain dash is the breeder's UNKNOWN marker on input; store internally as '?'.
   t = t.replace(/-/g, '?')
   return t
 }

gerbil-manager-web/src/index.css

@@ -539,28 +539,57 @@ textarea {
   margin: 0.5rem 0 1rem;
   padding: 0;
   display: grid;
-  grid-template-columns: repeat(auto-fill, minmax(13rem, 1fr));
+  /* GEN-4: wider min-width prevents long names (CP-Silberagouti-Hell) from overflowing */
+  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
   gap: 0.5rem;
 }
 
+/* GEN-4 layout fix: image left, body centre (name + genotype stacked), prob right.
+   align-items: stretch so all three columns fill the card height consistently. */
 .farbschlag-card {
   display: flex;
   align-items: center;
-  justify-content: space-between;
   gap: 0.5rem;
   padding: 0.6rem 0.9rem;
   border: 1px solid var(--color-border);
   border-radius: 0.6rem;
   background: var(--color-surface);
+  overflow: hidden; /* contain long genotype strings */
+}
+
+.farbschlag-card__img {
+  flex-shrink: 0;
+}
+
+/* Body takes the middle space and allows wrapping for long names */
+.farbschlag-card__body {
+  flex: 1;
+  min-width: 0; /* allow flex child to shrink below content size */
+  display: flex;
+  flex-direction: column;
+  gap: 0.15rem;
 }
 
 .farbschlag-card__name {
   font-weight: 600;
+  overflow-wrap: break-word;
+  word-break: break-word;
+}
+
+/* Genotype code shown below the name — muted, small, wrappable */
+.farbschlag-card__geno {
+  font-size: 0.7rem;
+  color: var(--color-text-muted, #666);
+  overflow-wrap: break-word;
+  word-break: break-all;
+  opacity: 0.8;
 }
 
 .farbschlag-card__prob {
+  flex-shrink: 0;
   color: var(--color-accent);
   white-space: nowrap;
+  text-align: right;
 }
 
 /* UX-MOBILE-2: scroll wrapper so genotype table scrolls horizontally on mobile

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

@@ -2,6 +2,7 @@ import { useMemo, useState, type ReactNode } from 'react'
 import { Link, useParams } from 'react-router-dom'
 import { de } from '../strings/de'
 import { getGerbil, updateGerbil } from '../api/gerbils'
+import { listLitters as listLittersPaged } from '../api/litters'
 import { listColorVarieties, listContacts, listEnclosures, listLitters } from '../api/lookups'
 import { useApi, useMutation } from '../hooks/useApi'
 import { formatDate, genderLabel, statusLabel } from '../format/labels'
@@ -55,6 +56,10 @@ export default function GerbilDetailPage() {
   const enclosures = useApi(() => listEnclosures(), [])
   const contacts = useApi(() => listContacts(), [])
   const litters = useApi(() => listLitters(), [])
+  const parentLitters = useApi(
+    () => listLittersPaged({ filter: `fatherId=${id}|motherId=${id}`, orderBy: 'date desc', pageSize: 50 }),
+    [id],
+  )
 
   const colorName = useMemo(
     () => new Map((colorVarieties.data ?? []).map((c) => [c.id, c.name])),
@@ -237,6 +242,32 @@ export default function GerbilDetailPage() {
         {saveCharacter.error && <span className="error-text">{saveCharacter.error}</span>}
       </div>
 
+      <h3>{t.detail.parentLittersTitle}</h3>
+      {parentLitters.loading && <p className="muted">{de.common.loading}</p>}
+      {!parentLitters.loading && (parentLitters.data?.items.length ?? 0) === 0 && (
+        <p className="muted">{t.detail.parentLittersEmpty}</p>
+      )}
+      {(parentLitters.data?.items.length ?? 0) > 0 && (
+        <ul className="card-list">
+          {(parentLitters.data?.items ?? []).map((litter) => (
+            <li key={litter.id}>
+              <Link to={`/wuerfe/${litter.id}`} className="gerbil-card">
+                <span className="gerbil-card__name">{litter.name}</span>
+                <span className="badge badge--active">
+                  {litter.fatherId === id ? t.detail.parentLittersRoleVater : t.detail.parentLittersRoleMutter}
+                </span>
+                <span className="gerbil-card__meta">{formatDate(litter.date)}</span>
+                {litter.totalBorn !== null && (
+                  <span className="gerbil-card__meta">
+                    {litter.totalBorn} {de.pages.litters.countLabel}
+                  </span>
+                )}
+              </Link>
+            </li>
+          ))}
+        </ul>
+      )}
+
       <h3 className="visually-hidden">{t.detail.moreData}</h3>
       <div className="tabs" role="tablist">
         {(['photos', 'health', 'weight'] as const).map((key) => (

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

@@ -8,6 +8,8 @@ import { useApi, useMutation } from '../hooks/useApi'
 import { genderLabel, statusLabel } from '../format/labels'
 import { fromDisplayString } from '../genetics'
 import FarbschlagImage from '../components/FarbschlagImage'
+import NameSuggestPanel from '../components/NameSuggestPanel'
+import '../components/NameSuggestPanel.css'
 
 interface FormState {
   name: string
@@ -21,10 +23,12 @@ interface FormState {
   enclosureId: string
   litterId: string
   originContactId: string
+  originBreeder: string
   receiverContactId: string
   genotype: string
   notes: string
   isResident: boolean
+  isDeaf: boolean | null
 }
 
 const EMPTY: FormState = {
@@ -39,10 +43,12 @@ const EMPTY: FormState = {
   enclosureId: '',
   litterId: '',
   originContactId: '',
+  originBreeder: '',
   receiverContactId: '',
   genotype: '',
   notes: '',
   isResident: true,
+  isDeaf: null,
 }
 
 function formFromGerbil(g: {
@@ -57,10 +63,12 @@ function formFromGerbil(g: {
   enclosureId: string | null
   litterId: string | null
   originContactId: string | null
+  originBreeder?: string | null
   receiverContactId: string | null
   genotype: string | null
   notes: string | null
   isResident?: boolean | null
+  isDeaf?: boolean | null
 }): FormState {
   return {
     name: g.name,
@@ -74,10 +82,12 @@ function formFromGerbil(g: {
     enclosureId: g.enclosureId ?? '',
     litterId: g.litterId ?? '',
     originContactId: g.originContactId ?? '',
+    originBreeder: g.originBreeder ?? '',
     receiverContactId: g.receiverContactId ?? '',
     genotype: g.genotype ?? '',
     notes: g.notes ?? '',
     isResident: g.isResident ?? true,
+    isDeaf: g.isDeaf ?? null,
   }
 }
 
@@ -103,6 +113,7 @@ export default function GerbilFormPage() {
   const [form, setForm] = useState<FormState>(EMPTY)
   const [errors, setErrors] = useState<Partial<Record<keyof FormState, string>>>({})
   const [initializedFor, setInitializedFor] = useState<string | null>(null)
+  const [showNameSuggest, setShowNameSuggest] = useState(false)
 
   const existing = useApi(() => (id ? getGerbil(id) : Promise.resolve(null)), [id])
   const colorVarieties = useApi(() => listColorVarieties(), [])
@@ -167,10 +178,12 @@ export default function GerbilFormPage() {
       enclosureId: nn(form.enclosureId),
       litterId: nn(form.litterId),
       originContactId: nn(form.originContactId),
+      originBreeder: nn(form.originBreeder),
       receiverContactId: nn(form.receiverContactId),
       genotype: nn(form.genotype),
       notes: nn(form.notes),
       isResident: form.isResident,
+      isDeaf: form.isDeaf,
     }
     const result = await mutation.run(body)
     if (result.ok) navigate(`/rennmaeuse/${result.value.id}`)
@@ -187,16 +200,33 @@ export default function GerbilFormPage() {
       <h2>{isEdit ? t.form.editTitle : t.form.createTitle}</h2>
 
       <form className="form" onSubmit={onSubmit} noValidate>
-        <label className="field">
-          <span>{t.fields.name} *</span>
-          <input
-            className="input"
-            value={form.name}
-            onChange={(e) => set('name', e.target.value)}
-            aria-invalid={Boolean(errors.name)}
-          />
+        <div className="field">
+          <label htmlFor="gerbil-name">{t.fields.name} *</label>
+          <div className="namegen-name-row">
+            <input
+              id="gerbil-name"
+              className="input"
+              value={form.name}
+              onChange={(e) => set('name', e.target.value)}
+              aria-invalid={Boolean(errors.name)}
+            />
+            <button
+              type="button"
+              className="btn"
+              onClick={() => setShowNameSuggest((v) => !v)}
+            >
+              {de.namegen.button}
+            </button>
+          </div>
           {errors.name && <small className="error-text">{errors.name}</small>}
-        </label>
+        </div>
+        {showNameSuggest && (
+          <NameSuggestPanel
+            gender={form.gender}
+            onPick={(name) => { set('name', name); setShowNameSuggest(false) }}
+            onClose={() => setShowNameSuggest(false)}
+          />
+        )}
 
         <label className="field">
           <span>{t.fields.gender} *</span>
@@ -326,6 +356,16 @@ export default function GerbilFormPage() {
           </select>
         </label>
 
+        <label className="field">
+          <span>{t.fields.originBreeder}</span>
+          <input
+            className="input"
+            value={form.originBreeder}
+            placeholder="z. B. Zucht der Kleinen Chaoten"
+            onChange={(e) => set('originBreeder', e.target.value)}
+          />
+        </label>
+
         <label className="field">
           <span>{t.fields.receiver}</span>
           <select
@@ -360,6 +400,21 @@ export default function GerbilFormPage() {
           <textarea value={form.notes} onChange={(e) => set('notes', e.target.value)} />
         </label>
 
+        <label className="field">
+          <span>{t.fields.isDeaf}</span>
+          <select
+            value={form.isDeaf === null ? '' : String(form.isDeaf)}
+            onChange={(e) => {
+              const v = e.target.value
+              set('isDeaf', v === '' ? null : v === 'true')
+            }}
+          >
+            <option value="">{t.form.isDeafUnknown}</option>
+            <option value="true">{t.form.isDeafYes}</option>
+            <option value="false">{t.form.isDeafNo}</option>
+          </select>
+        </label>
+
         <label className="field field--check" title={t.form.isResidentHint}>
           <span>{t.form.isResidentLabel}</span>
           <input

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

@@ -276,7 +276,7 @@ export default function StammbaumPage() {
     <>
       <section className="page stammbaum-screen">
         <header className="page-head">
-          <h2>{t.titleFor(root.gerbil.name)}</h2>
+          <h2>{t.titleFor(root.gerbil.name || de.pages.gerbils.nameless)}</h2>
           <div className="head-actions">
             <Link to={`/rennmaeuse/${root.gerbil.id}`} className="btn">
               {t.backToAnimal}
@@ -377,7 +377,7 @@ function PedigreeCard({
       <div className="pedigree-card__body">
         <div className="pedigree-card__name">
           <SexIcon gender={g.gender} />
-          <span className="pedigree-card__nametext">{g.name}</span>
+          <span className="pedigree-card__nametext">{g.name || de.pages.gerbils.nameless}</span>
         </div>
         {farbschlag && (
           <span
@@ -439,7 +439,7 @@ function PrintPedigree({
   return (
     <div className="stammbaum-print">
       <header className="stammbaum-print__head">
-        <h1>{t.titleFor(root.gerbil.name)}</h1>
+        <h1>{t.titleFor(root.gerbil.name || de.pages.gerbils.nameless)}</h1>
         <p className="stammbaum-print__meta">
           {t.inbreeding.label}: {inbreedingText} · {t.printView.createdOn} {today}
         </p>
@@ -494,7 +494,7 @@ function PrintCell({
     <div className={base} style={style}>
       <div className="stammbaum-print__name">
         {sexSymbol}
-        {g.name}
+        {g.name || de.pages.gerbils.nameless}
       </div>
       {g.dateOfBirth && (
         <div className="stammbaum-print__sub">

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

@@ -326,7 +326,7 @@ export default function VertragWizardPage() {
                     checked={selectedIds.has(g.id)}
                     onChange={() => toggleAnimal(g.id)}
                   />
-                  <span className="wizard-pick__name">{g.name}</span>
+                  <span className="wizard-pick__name">{g.name || de.pages.gerbils.nameless}</span>
                   <span className="wizard-pick__meta">
                     {[
                       genderLabel(g.gender),
@@ -396,7 +396,7 @@ export default function VertragWizardPage() {
             </div>
             <div className="def-row">
               <dt>{de.pages.vertraege.fields.animals}</dt>
-              <dd>{selectedAnimals.map((g) => g.name).join(', ')}</dd>
+              <dd>{selectedAnimals.map((g) => g.name || de.pages.gerbils.nameless).join(', ')}</dd>
             </div>
             <div className="def-row">
               <dt>{de.pages.vertraege.fields.price}</dt>

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

@@ -71,9 +71,9 @@ export default function WurfFormPage() {
       name: l.name,
       date: l.date ?? '',
       fatherId: l.fatherId ?? '',
-      fatherName: l.fatherId ? (nameById.get(l.fatherId) ?? '') : '',
+      fatherName: l.fatherId ? (nameById.get(l.fatherId) || de.pages.gerbils.nameless) : '',
       motherId: l.motherId ?? '',
-      motherName: l.motherId ? (nameById.get(l.motherId) ?? '') : '',
+      motherName: l.motherId ? (nameById.get(l.motherId) || de.pages.gerbils.nameless) : '',
       totalBorn: l.totalBorn != null ? String(l.totalBorn) : '',
       expectedGoHomeDate: l.expectedGoHomeDate ?? '',
       notes: l.notes ?? '',
@@ -178,7 +178,7 @@ export default function WurfFormPage() {
           ) : (
             <AnimalPicker
               gender="male"
-              onPick={(g) => setForm((f) => ({ ...f, fatherId: g.id, fatherName: g.name }))}
+              onPick={(g) => setForm((f) => ({ ...f, fatherId: g.id, fatherName: g.name || de.pages.gerbils.nameless }))}
             />
           )}
         </fieldset>
@@ -199,7 +199,7 @@ export default function WurfFormPage() {
           ) : (
             <AnimalPicker
               gender="female"
-              onPick={(g) => setForm((f) => ({ ...f, motherId: g.id, motherName: g.name }))}
+              onPick={(g) => setForm((f) => ({ ...f, motherId: g.id, motherName: g.name || de.pages.gerbils.nameless }))}
             />
           )}
         </fieldset>

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

@@ -80,6 +80,8 @@ export const de = {
         enclosure: 'Gehege',
         colorVariety: 'Farbschlag',
         origin: 'Herkunft',
+        originBreeder: 'Herkunft (Freitext)',
+        isDeaf: 'Gehörlos',
         receiver: 'Abnehmer',
         genotype: 'Genotyp',
         notes: 'Notizen',
@@ -103,6 +105,11 @@ export const de = {
         tabPlaceholder: 'Dieser Bereich entsteht in einem späteren Schritt.',
         notFound: 'Diese Rennmaus wurde nicht gefunden.',
         moreData: 'Weitere Daten',
+        // ANIMAL-LITTERS: Würfe als Elternteil
+        parentLittersTitle: 'Würfe als Elternteil',
+        parentLittersEmpty: 'Keine Würfe als Elternteil erfasst.',
+        parentLittersRoleVater: 'Vater',
+        parentLittersRoleMutter: 'Mutter',
       },
       // Formular (anlegen/bearbeiten)
       form: {
@@ -114,6 +121,9 @@ export const de = {
         // BESTAND-FILTER: Zugehörigkeit zum eigenen Bestand (sonst externe Ahne)
         isResidentLabel: 'Gehört zum eigenen Bestand',
         isResidentHint: 'Abwählen für externe Ahnen, die nur für den Stammbaum erfasst sind.',
+        isDeafUnknown: 'Unbekannt',
+        isDeafYes: 'Ja',
+        isDeafNo: 'Nein',
         save: 'Speichern',
         cancel: 'Abbrechen',
         saving: 'Speichern …',
@@ -808,6 +818,19 @@ export const de = {
     resetButton: 'Filter zurücksetzen',
     closeButton: 'Schließen',
   },
+  // ── FEAT-NAMEGEN: Namensvorschläge (KI-gestützt, UC-1 Einzeltier) ──
+  namegen: {
+    button: 'Name vorschlagen',
+    panelTitle: 'Namensvorschläge',
+    letterLabel: 'Anfangsbuchstabe',
+    letterPlaceholder: 'z. B. A',
+    usagesLabel: 'Herkunftskultur',
+    loadButton: 'Vorschläge laden',
+    loading: 'Lade Vorschläge …',
+    empty: 'Keine Vorschläge — andere Einstellungen versuchen.',
+    keyMissing: 'Namensvorschläge benötigen einen API-Key — bitte in den Einstellungen konfigurieren.',
+    close: 'Schließen',
+  },
 } as const
 
 export type Strings = typeof de

tools/import/conflict-decisions.json

@@ -84,6 +84,34 @@
       "decision": "E-locus = ee[f] (Fuchs). This is the mother of animal 'C' (c-29042024) — un-quarantining her links C's second parent. Name in v.d. spelling (workaround from Re-Import #2); both spellings now match after FIX-1 (canon_pair identity).",
       "genotype": "Aa CC D- ee[f] Gg pp Spsp [DP]",
       "source": "Julian 2026-06-06 — HUMANQUESTION D4"
+    },
+    {
+      "name": "Little Runner's Big Ben",
+      "dob": "03.02.2020",
+      "decision": "P-locus = Pp (not PP) — the two sources differed only at P",
+      "genotype": "Aa Cc[chm] DD Ee Gg Pp Spsp",
+      "source": "Julian 2026-06-07 — HUMANQUESTION D6"
+    },
+    {
+      "name": "Vance Jr. von den Kleinen Chaoten",
+      "dob": "10.04.2022",
+      "decision": "Sp-locus = spsp (kleines spsp, ungescheckt) — die Quellen unterschieden sich nur bei Sp (Spsp // spsp). C-Locus 'c[hm]' im Extrakt → als c[chm] normalisiert (kein gültiges Symbol; c[chm] = offensichtliche Absicht).",
+      "genotype": "aa Cc[chm] Dd Ee gg P- spsp",
+      "source": "Julian 2026-06-07 — HUMANQUESTION D6"
+    },
+    {
+      "name": "Skarlett von den Kleinen Chaoten",
+      "dob": "14.07.2013",
+      "decision": "death date = 17.04.2016 (the '2018' variant was wrong — it had leaked as '/ +2018' into the genotype field; parse-leak already fixed in IMPORT-POLISH)",
+      "dateOfDeath": "17.04.2016",
+      "source": "Julian 2026-06-07 — HUMANQUESTION D6"
+    },
+    {
+      "name": "Kazu von den Kleinen Chaoten",
+      "dob": "23.04.2013",
+      "decision": "E-locus = ee[f], G-locus = GG (one source wrote UwUw = GG in international notation), P-locus = PP — resolves the 3 contested loci",
+      "genotype": "Aa Cc[chm] DD ee[f] GG PP Spsp",
+      "source": "Julian 2026-06-07 — HUMANQUESTION D6"
     }
   ]
 }

tools/import/extract.py

@@ -129,7 +129,9 @@ def norm_zucht(z):
     if not z:
         return ""
     n = z.lower()
-    n = re.sub(r"\bv\.\s?d\.\b", " ", n)
+    # TOLERANT KC-MATCHER FIX: trailing \b after '.' never fires when next char is ' '
+    # (both are non-word chars), so "v.d. kleinen" was NOT stripped. Drop the trailing \b.
+    n = re.sub(r"\bv\.\s?d\.", " ", n)
     n = re.sub(r"\b(zucht|privatzucht|der|die|den|des|dem|von|of)\b", " ", n)
     n = re.sub(r"[^a-z0-9äöüß ]", " ", n)
     words = [w[:-1] if len(w) > 4 and w.endswith("n") else w for w in n.split()]
@@ -137,6 +139,15 @@ def norm_zucht(z):
     return ZUCHT_ALIASES.get(key, key)
 
 
+def is_clan_zucht(z):
+    """True if the zucht name (raw or canonical) identifies the Kleine Chaoten home cattery.
+
+    Accepts all known spellings: 'Zucht der Kleinen Chaoten', 'kleinen Chaoten',
+    'v.d. Kleinen Chaoten', '[ZdkC]', 'kleinechaote', etc.
+    """
+    return norm_zucht(z) == "kleinechaote"
+
+
 def canon_pair(raw):
     """Full raw name -> (normalised call-name, canonical zucht)."""
     name, zucht = split_name_zucht(raw)
@@ -962,7 +973,19 @@ def apply_conflict_decisions(merged, conflicts, path):
             continue
         a["resolvedByDecision"] = True
         if d.get("genotype"):
-            a["genotype"] = gt.parse(d["genotype"])
+            # CR-10: validate the parsed genotype — a typo'd decision string yields empty
+            # mapped8locus and would silently blank the animal's genotype while marking it
+            # 'resolved'. Only apply if the parse produces non-empty loci.
+            parsed = gt.parse(d["genotype"])
+            if parsed.get("mapped8locus"):
+                a["genotype"] = parsed
+            else:
+                # Keep the existing genotype; flag as a warning in the report.
+                a.setdefault("decisionWarnings", []).append(
+                    f"Ungültiger Override-Genotyp '{d['genotype']}' — "
+                    "konnte nicht geparst werden (mapped8locus leer). "
+                    "Bestehender Genotyp behalten; Konflikt wurde trotzdem aufgelöst."
+                )
         if d.get("farbschlag"):
             a["farbschlag"] = d["farbschlag"]
             a["farbschlagVariants"] = [d["farbschlag"]]

tools/import/test_extract.py

@@ -280,6 +280,63 @@ check("gen.+v.d. name rejected", e.looks_like_animal_name("Victoria Welby gen. W
 check("real Farbschlag accepted", not e.looks_like_animal_name("Kohlfuchsschimmel"))
 check("real Farbschlag accepted 2", not e.looks_like_animal_name("Orangeschimmel, hell"))
 
+# --- CR-10: malformed decision genotype must NOT blank the existing genotype ---
+dec_cr10 = os.path.join(tempfile.gettempdir(), "decisions-cr10.json")
+_json.dump({"resolutions": [
+    # Valid decision (genotype parses OK) -> should be applied
+    {"name": "Agouti OK", "dob": "01.01.2020", "decision": "test",
+     "genotype": "aa CC DD ee GG PP spsp rere", "source": "test"},
+    # Malformed genotype (typo'd) -> must NOT blank genotype; conflict still resolved
+    {"name": "Siamese Bad", "dob": "02.02.2020", "decision": "test",
+     "genotype": "BLÖDSINN!!!", "source": "test"},
+]}, open(dec_cr10, "w", encoding="utf-8"))
+merged_cr10 = [
+    {"id": "g1", "name": "Agouti OK", "dob": "01.01.2020", "conflict": True, "farbschlag": "", "death": "",
+     "genotype": {"mapped8locus": {"A": ["a","a"]}, "rawGenotype": "aa", "unmappedTokens": []}},
+    {"id": "g2", "name": "Siamese Bad", "dob": "02.02.2020", "conflict": True, "farbschlag": "", "death": "",
+     "genotype": {"mapped8locus": {"C": ["c^h","c^h"]}, "rawGenotype": "chmchm", "unmappedTokens": []}},
+]
+conflicts_cr10 = [{"id": "g1"}, {"id": "g2"}]
+n_cr10 = e.apply_conflict_decisions(merged_cr10, conflicts_cr10, dec_cr10)
+check("CR-10: valid decision genotype is applied (A-locus updated)",
+      merged_cr10[0]["genotype"]["mapped8locus"].get("C") == ["C","C"])
+check("CR-10: malformed decision genotype NOT applied (C-locus preserved)",
+      merged_cr10[1]["genotype"]["mapped8locus"].get("C") == ["c^h","c^h"])
+check("CR-10: malformed decision still un-quarantines the animal",
+      merged_cr10[1].get("conflict") is False)
+check("CR-10: malformed decision adds a decisionWarning",
+      bool(merged_cr10[1].get("decisionWarnings")))
+check("CR-10: apply returns correct resolved count (2 conflicts cleared)", n_cr10 == 2)
+try: os.remove(dec_cr10)
+except OSError: pass
+
+# --- TOLERANT KC-MATCHER (IMPORT-BACKFILL): all clan spelling variants -> canon 'kleinechaote' ---
+# Julian-Entscheidung: Zucht = Kleine Chaoten wenn 'klein'+'chaoten' ODER bekannte Abkürzungen.
+# The v.d. fix: trailing \b after '.' failed when next char is ' ' (non-word), so
+# "v.d. kleinen chaoten" was NOT stripped before. Fix: drop the trailing \b.
+check("KC-matcher: 'Zucht der Kleinen Chaoten'",
+      e.is_clan_zucht("Zucht der Kleinen Chaoten"))
+check("KC-matcher: 'kleinen Chaoten' (no prefix)",
+      e.is_clan_zucht("kleinen Chaoten"))
+check("KC-matcher: 'v.d. Kleinen Chaoten' (v.d. prefix — was broken before fix)",
+      e.is_clan_zucht("v.d. Kleinen Chaoten"))
+check("KC-matcher: '[ZdkC]' shorthand (bracket form, alias in ZUCHT_ALIASES)",
+      e.is_clan_zucht("ZdkC"))
+check("KC-matcher: 'von den Kleinen Chaoten' (full long form)",
+      e.is_clan_zucht("von den Kleinen Chaoten"))
+check("KC-matcher: empty string -> NOT clan",
+      not e.is_clan_zucht(""))
+check("KC-matcher: 'Black Forest' -> NOT clan",
+      not e.is_clan_zucht("Black Forest"))
+check("KC-matcher: norm_zucht regression — 'Kleine Chaoten' (base form still works)",
+      e.norm_zucht("Kleine Chaoten") == "kleinechaote")
+check("KC-matcher: norm_zucht regression — 'von den Kleinen Chaoten'",
+      e.norm_zucht("von den Kleinen Chaoten") == "kleinechaote")
+# Decision-matching FIX-1 already tested above; v.d. in decision matches 'von den' in record
+# because both reduce to the same canon_pair. Verify norm_zucht directly for v.d.:
+check("KC-matcher: norm_zucht('v.d. Kleinen Chaoten') == 'kleinechaote' (was broken before fix)",
+      e.norm_zucht("v.d. Kleinen Chaoten") == "kleinechaote")
+
 if failed:
     print(f"\n{failed} test(s) FAILED")
     sys.exit(1)