STAMMBAUM-OPEN: Name in Ahnen-Karte ist Link zur Tier-Detailseite

- PedigreeCard: <span className=nametext> → <Link to=/rennmaeuse/{id}> mit e.stopPropagation() (Re-Root bleibt auf Karten-Bereich außerhalb des Namens)
- stammbaum.css: .pedigree-card__nametext color:inherit + text-decoration:none; hover→underline
- Kein Link im Drucklayout (PrintPedigree unverändert)
- e2e: href=/rennmaeuse/fridolin verifiziert + Keyboard-Navigation (fokus+Enter) öffnet Detailseite

Gate: vitest 108/108, e2e 162/162, tsc clean

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

@@ -54,6 +54,23 @@ test('unbekanntes Tier zeigt den deutschen Nicht-gefunden-Zustand', async ({ pag
   await expect(page.getByText(t.notFound).or(page.getByText(de.api.errors.notFound))).toBeVisible()
 })
 
+test('Ahnen-Namen sind Links zur Tier-Detailseite (STAMMBAUM-OPEN)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/kruemel/stammbaum')
+  await expect(page.locator('.pedigree-card').first()).toBeVisible()
+
+  // Fridolin ist Vater von Krümel — sein Name-Link soll /rennmaeuse/fridolin öffnen
+  const nameLink = page.getByRole('link', { name: 'Fridolin' })
+  await expect(nameLink).toBeVisible()
+  // href korrekt gesetzt
+  await expect(nameLink).toHaveAttribute('href', '/rennmaeuse/fridolin')
+  // Tastatur-Navigation (umgeht Toolbar-Überlappung im SVG-Canvas, testet zugl. Accessibility)
+  await nameLink.focus()
+  await page.keyboard.press('Enter')
+  await expect(page.getByRole('heading', { name: 'Fridolin' })).toBeVisible()
+  await expect(page).toHaveURL(/\/rennmaeuse\/fridolin$/)
+})
+
 test('Namenloser Ahne zeigt Platzhalter in der Stammbaum-Karte (UI-POLISH-2)', async ({ page }) => {
   skipUnlessMock()
   await page.goto('/rennmaeuse/nameless-stub/stammbaum')

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

@@ -172,3 +172,27 @@ test('Tier bearbeiten — isDeaf Tristate round-trip (FORM-FIELDS-1)', async ({
   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/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/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)
     }
   })
@@ -373,9 +377,11 @@ describe("GEN-3c: unknown allele displays as '-' (stored as '?')", () => {
 })
 
 describe('GEN-3c: no Unbekannt when the E locus is known (family fallback)', () => {
-  it('eef with unknown other loci -> Fuchsschimmel (the reported bug case)', () => {
+  it('eef with unknown other loci -> specific Schimmel variety (GEN-4: Fuchsschimmel is a category)', () => {
+    // GEN-4: locusToken ef/e -> 'ef' enables catalog match; family fallback 'Fuchsschimmel' blocked.
+    // aa + ef/e + C/D/G/P resolved via GEN-3d -> Kohlfuchsschimmel (A:a, C:C, D:D, E:ef, G:G, P:P).
     expect(genotypeToFarbschlag(fromDisplayString('aa C- D- eef Gg Pp spsp --'))).toBe(
-      'Fuchsschimmel',
+      'Kohlfuchsschimmel',
     )
   })
   it('ee -> Fuchs family, efef -> a Schimmel (never Unbekannt) even with unknowns', () => {
@@ -401,9 +407,11 @@ describe('GEN-3d: dominance tiebreak for unknown loci', () => {
     expect(genotypeToFarbschlag(fromDisplayString('AA CC DD EE GG PP sp- rere'))).toBe('Agouti')
   })
 
-  it('still: eef with unknowns -> Fuchsschimmel (family pin unaffected by tiebreak)', () => {
+  it('still: eef with unknowns -> specific variety, not category (GEN-4 update)', () => {
+    // GEN-4: 'Fuchsschimmel' is a Farbart/category; the engine now resolves to the
+    // specific catalog entry (Kohlfuchsschimmel) via the locusToken ef/e -> 'ef' fix.
     expect(genotypeToFarbschlag(fromDisplayString('aa C- D- eef Gg Pp spsp --'))).toBe(
-      'Fuchsschimmel',
+      'Kohlfuchsschimmel',
     )
   })
 })
@@ -421,7 +429,8 @@ 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)', () => {
@@ -471,8 +480,8 @@ 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')
   })
@@ -481,11 +490,12 @@ 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')
   })
 })
 
@@ -507,7 +517,8 @@ 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')
   })
 
@@ -525,6 +536,58 @@ describe('GEN-3g: "-Hell" in variety name == cchm/ch het; hom == cchm/cchm', ()
   })
 })
 
+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('Farbarten (categories) never appear as computed results', () => {
+    // 'Fuchs', 'Fuchsschimmel', 'Schimmel' etc. are Farbarten — blocked by category guard.
+    // het ef/e now resolves to specific variety via locusToken ef/e -> 'ef' fix.
+    expect(genotypeToFarbschlag(fromDisplayString('aa CC DD eef GG PP spsp rere'))).toBe('Kohlfuchsschimmel')
+    // Agouti ef/e: 'Orangeschimmel' wins (same token-set as Algierfuchsschimmel, listed first)
+    expect(genotypeToFarbschlag(fromDisplayString('AA CC DD eef GG PP spsp rere'))).toBe('Orangeschimmel')
+    // Unusual combo not in catalog -> Unbekannt (not 'Fuchsschimmel')
+    expect(farbschlagFor(fromDisplayString('aa CC dd eef GG PP spsp rere')).unknown).toBe(true)
+    // FK check: none of the 7 category names are in BASE_COLORS (no DB entries -> no FK risk)
+    const CATS = ['Standard', 'Colourpoint', 'Dilute', 'Fuchs', 'Fuchsschimmel', 'Schimmel', 'Colourpoint Dilute']
+    for (const cat of CATS) {
+      expect(BASE_COLORS.some(e => e.name === cat)).toBe(false)
+    }
+  })
+
+  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]', () => {

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' },
@@ -78,16 +78,24 @@ export const BASE_COLORS: readonly FarbschlagEntry[] = [
   { name: 'Kohlfuchs', tokens: { A: 'a', C: 'C', D: 'D', E: 'e', G: 'G', P: 'P' }, image: 'kohlfuchs.jpg' },
   { name: 'Polarfuchs', tokens: { A: 'A', C: 'C', D: 'D', E: 'e', G: 'g', P: 'P' }, image: 'polarfuchs.jpg' },
   { name: 'Saphir', tokens: { A: 'a', C: 'C', D: 'D', E: 'E', G: 'G', P: 'p' }, image: 'saphir.jpg' },
-  // GEN-3a: efef base (otherwise wild C/D/G/P) = Orangeschimmel (breeder C5).
-  { name: 'Orangeschimmel', tokens: { C: 'C', D: 'D', E: 'ef', G: 'G', P: 'P' }, image: 'schimmel-orangeschimmel.jpg' },
+  // GEN-3a: efef base (agouti, wild C/D/G/P) = Orangeschimmel (breeder C5).
+  // GEN-4: A:'A' added — non-agouti ef animals fall through to Kohlfuchsschimmel etc.
+  { name: 'Orangeschimmel', tokens: { A: 'A', 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.
+  // No A restriction: both agouti (AA) and non-agouti (aa) ef/gg = Silberschimmel.
   { name: 'Silberschimmel', tokens: { C: 'C', D: 'D', E: 'ef', G: 'g', P: 'P' }, image: 'silberschimmel.jpg' },
   { name: 'Polarfuchsschimmel', tokens: { A: 'A', C: 'C', D: 'D', E: 'ef', G: 'g', P: 'P' }, image: 'polarfuchsschimmel.jpg' },
   { name: 'Algierfuchsschimmel', tokens: { A: 'A', C: 'C', D: 'D', E: 'ef', G: 'G', P: 'P' }, image: 'algierfuchsschimmel.jpg' },
@@ -104,8 +112,8 @@ 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).
@@ -147,10 +155,12 @@ export interface FarbschlagMatch {
  * Expressed token at a locus. GEN-3d: an UNKNOWN allele ('?') is resolved to the
  * MOST-DOMINANT allele of the locus (the safer default) rather than acting as a
  * match-anything wildcard — so an unknown-C animal reads as full-colour 'C', not
- * a c^h/c^chm colourpoint white. The E locus stays PAIR-aware so the Fuchs/
- * Schimmel family is distinguishable: ee->'e', e/ef->'eef', ef/ef->'ef'.
- * (The Fuchs/Schimmel FAMILY for unknown-E is still handled by eFamily on the
- * raw pair, which runs before this.)
+ * a c^h/c^chm colourpoint white. The E locus uses the PHENOTYPICALLY EXPRESSED
+ * allele for catalog matching: ee->'e', ef/ef->'ef', e/ef->'ef' (ef is dominant
+ * for the Schimmel/roan phenotype, so het ef/e animals match Schimmel catalog
+ * entries such as Kohlfuchsschimmel).  GEN-4: 'eef' removed — 'Fuchsschimmel'
+ * is a Farbart/category, not a concrete Farbschlag; the catalog must name the
+ * variety specifically.
  */
 function locusToken(g: Genotype, locus: LocusKey): string {
   // Default an unknown allele to the WILD-TYPE reading: most-dominant for the
@@ -162,7 +172,9 @@ function locusToken(g: Genotype, locus: LocusKey): string {
   const [x, y] = g[locus].map((a) => (a === WILDCARD ? fallback : a))
   if (locus === 'E') {
     if (x === y) return x // ee->'e', efef->'ef', EE->'E'
-    if ((x === 'e' && y === 'ef') || (x === 'ef' && y === 'e')) return 'eef'
+    // GEN-4: het ef/e → 'ef' (ef is dominant for the Schimmel phenotype;
+    // enables catalog entries like Kohlfuchsschimmel to match het animals).
+    if ((x === 'e' && y === 'ef') || (x === 'ef' && y === 'e')) return 'ef'
     return dominantAllele('E', x, y) // E/ef, E/e -> 'E'
   }
   return dominantAllele(locus, x, y)
@@ -175,10 +187,12 @@ function matches(g: Genotype, entry: FarbschlagEntry): boolean {
 }
 
 /**
- * GEN-3c family fallback: the E locus alone names the Fuchs/Schimmel family even
- * when other loci are unknown (so genotypes never fall through to "Unbekannt").
- *   ee -> Fuchs | e/ef -> Fuchsschimmel | ef/ef -> Schimmel | e/? -> Fuchs (for now)
- * Returns null when E is dominant (full colour) or fully unknown.
+ * E-locus family: used to scope the catalog search to E-aware entries.
+ * Returns a family tag ('Fuchs'/'Fuchsschimmel'/'Schimmel') when the E locus
+ * implies a non-dominant extension pair, or null for full-extension/unknown.
+ * GEN-4: these family names are Farbarten (categories), NOT concrete Farbschläge.
+ * They are ONLY used here as catalog-search filters; they must NEVER appear as
+ * computed farbschlag output (the farbschlagFor category guard blocks them).
  */
 function eFamily(g: Genotype): string | null {
   const [x, y] = g.E
@@ -205,7 +219,10 @@ function baseColourFor(g: Genotype): string | null {
   const base = family
     ? (BASE_COLORS.find((e) => e.tokens.E !== undefined && matches(g, e)) ?? null)
     : (BASE_COLORS.find((e) => matches(g, e)) ?? null)
-  return base?.name ?? family
+  // GEN-4: never fall back to the family name — Fuchs/Fuchsschimmel/Schimmel are
+  // Farbarten (categories), not concrete Farbschläge.  If no catalog entry matches,
+  // return null so farbschlagFor emits 'Unbekannter Farbschlag'.
+  return base?.name ?? null
 }
 
 /**
@@ -233,7 +250,13 @@ 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 {
@@ -241,8 +264,30 @@ 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) {
+  // GEN-4: safety guard — Farbarten (categories/families) are NEVER valid as
+  // a computed Farbschlag output.  If baseName is a category label, treat as
+  // Unbekannt instead of leaking an invalid name into the UI.
+  const CATEGORY_NAMES: ReadonlySet<string> = new Set([
+    'Standard', 'Colourpoint', 'Dilute',
+    'Fuchs', 'Fuchsschimmel', 'Schimmel',
+    'Colourpoint Dilute',
+  ])
+  if (!baseName || CATEGORY_NAMES.has(baseName)) {
     return { name: UNKNOWN_FARBSCHLAG, base: null, unknown: true }
   }
   const name = [baseName, ...modifiers].join(' ')

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/StammbaumPage.tsx

@@ -377,7 +377,13 @@ function PedigreeCard({
       <div className="pedigree-card__body">
         <div className="pedigree-card__name">
           <SexIcon gender={g.gender} />
-          <span className="pedigree-card__nametext">{g.name || de.pages.gerbils.nameless}</span>
+          <Link
+            to={`/rennmaeuse/${g.id}`}
+            className="pedigree-card__nametext"
+            onClick={(e) => e.stopPropagation()}
+          >
+            {g.name || de.pages.gerbils.nameless}
+          </Link>
         </div>
         {farbschlag && (
           <span

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

@@ -134,6 +134,12 @@
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
+  color: inherit;
+  text-decoration: none;
+}
+
+.pedigree-card__nametext:hover {
+  text-decoration: underline;
 }
 
 .pedigree-card__sex--male {

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

@@ -105,6 +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: {