diff --git a/gerbil-manager-web/src/components/Charakterbogen.tsx b/gerbil-manager-web/src/components/Charakterbogen.tsx
index f8a7ad1..e90c872 100644
--- a/gerbil-manager-web/src/components/Charakterbogen.tsx
+++ b/gerbil-manager-web/src/components/Charakterbogen.tsx
@@ -1,5 +1,5 @@
 import { de } from '../strings/de'
-import { ALL_TRAITS } from '../format/traits'
+import { ALL_TRAITS, TRAIT_CATEGORIES } from '../format/traits'
 import './charakterbogen.css'
 
 export interface CharakterbogenProps {
@@ -10,12 +10,6 @@ export interface CharakterbogenProps {
   onNoteChange: (note: string) => void
 }
 
-/**
- * FEAT-14: character sheet — a checkbox grid of traits + a free note.
- * Controlled & reusable: rendered on the animal detail page (persisted) and in
- * the Abgabe listing composer (feeds the AI sale-text). German labels from
- * de.character.traits; the stored value is the trait KEY.
- */
 export default function Charakterbogen({
   traits,
   note,
@@ -29,26 +23,32 @@ export default function Charakterbogen({
     const next = new Set(selected)
     if (next.has(key)) next.delete(key)
     else next.add(key)
-    // Preserve the vocabulary order for stable output.
+    // Preserve vocabulary (category) order for stable output.
     onTraitsChange(ALL_TRAITS.filter((tr) => next.has(tr.key)).map((tr) => tr.key))
   }
 
   return (
     <div className="charakterbogen">
-      <ul className="trait-grid">
-        {ALL_TRAITS.map((tr) => (
-          <li key={tr.key}>
-            <label className="trait-chip">
-              <input
-                type="checkbox"
-                checked={selected.has(tr.key)}
-                onChange={() => toggle(tr.key)}
-              />
-              <span>{tr.label}</span>
-            </label>
-          </li>
-        ))}
-      </ul>
+      {TRAIT_CATEGORIES.map((cat) => (
+        <section key={cat.category} className="trait-category">
+          <h4 className="trait-category__heading">{cat.category}</h4>
+          <ul className="trait-grid">
+            {cat.traits.map((tr) => (
+              <li key={tr.key}>
+                <label className={`trait-chip${tr.warn ? ' trait-chip--warn' : ''}`}>
+                  <input
+                    type="checkbox"
+                    checked={selected.has(tr.key)}
+                    onChange={() => toggle(tr.key)}
+                  />
+                  <span>{tr.label}</span>
+                  {tr.warn && <span className="trait-warn-badge">{t.warnLabel}</span>}
+                </label>
+              </li>
+            ))}
+          </ul>
+        </section>
+      ))}
       <label className="field">
         <span>{t.noteLabel}</span>
         <textarea
diff --git a/gerbil-manager-web/src/components/charakterbogen.css b/gerbil-manager-web/src/components/charakterbogen.css
index 9c8193d..04c9337 100644
--- a/gerbil-manager-web/src/components/charakterbogen.css
+++ b/gerbil-manager-web/src/components/charakterbogen.css
@@ -1,8 +1,21 @@
-/* FEAT-14 Charakterbogen — trait checkbox grid (mobile-first). */
+/* CHARAKTERBOGEN-2 — categorised trait grid with warn-signal styling (mobile-first). */
+
+.trait-category {
+  margin-bottom: 0.25rem;
+}
+
+.trait-category__heading {
+  font-size: 0.78rem;
+  font-weight: 600;
+  color: var(--color-muted, #666);
+  text-transform: uppercase;
+  letter-spacing: 0.04em;
+  margin: 0.75rem 0 0.35rem;
+}
 
 .charakterbogen .trait-grid {
   list-style: none;
-  margin: 0 0 0.75rem;
+  margin: 0 0 0.5rem;
   padding: 0;
   display: grid;
   grid-template-columns: 1fr;
@@ -39,3 +52,16 @@
   min-height: 0;
   flex: 0 0 auto;
 }
+
+.trait-chip--warn {
+  border-color: #d97706;
+  background: #fff7ed;
+}
+
+.trait-warn-badge {
+  margin-left: auto;
+  font-size: 0.68rem;
+  font-weight: 600;
+  color: #d97706;
+  white-space: nowrap;
+}
diff --git a/gerbil-manager-web/src/format/__tests__/traits.test.ts b/gerbil-manager-web/src/format/__tests__/traits.test.ts
new file mode 100644
index 0000000..5ae9c64
--- /dev/null
+++ b/gerbil-manager-web/src/format/__tests__/traits.test.ts
@@ -0,0 +1,91 @@
+import { describe, it, expect } from 'vitest'
+import { ALL_TRAITS, TRAIT_CATEGORIES, traitLabel, traitLabels, isWarnTrait } from '../traits'
+
+describe('trait catalog', () => {
+  it('has 4 categories', () => {
+    expect(TRAIT_CATEGORIES).toHaveLength(4)
+  })
+
+  it('category names match spec', () => {
+    const names = TRAIT_CATEGORIES.map((c) => c.category)
+    expect(names).toEqual([
+      'Sozialverhalten',
+      'Eignung & Umgang',
+      'Hobbys & Eigenarten',
+      'Wesen & Temperament',
+    ])
+  })
+
+  it('ALL_TRAITS flattens all categories', () => {
+    const total = TRAIT_CATEGORIES.reduce((sum, c) => sum + c.traits.length, 0)
+    expect(ALL_TRAITS).toHaveLength(total)
+  })
+
+  it('all keys are unique', () => {
+    const keys = ALL_TRAITS.map((t) => t.key)
+    expect(new Set(keys).size).toBe(keys.length)
+  })
+
+  it('existing 15 keys are still present (stored on live animals)', () => {
+    const legacy = [
+      'zutraulich', 'handzahm', 'neugierig', 'aufgeschlossen', 'ruhig', 'lebhaft',
+      'verschmust', 'eigenstaendig', 'anfaengergeeignet', 'futterfreudig',
+      'buddelt', 'klettert', 'laufrad', 'vertraeglich', 'schreckhaft',
+    ]
+    const allKeys = new Set(ALL_TRAITS.map((t) => t.key))
+    for (const key of legacy) {
+      expect(allKeys.has(key), `missing legacy key: ${key}`).toBe(true)
+    }
+  })
+
+  it('new keys are present', () => {
+    const newKeys = [
+      'dominant', 'rangniedrig', 'sozialkompetent', 'schwer-vergesellschaftbar',
+      'erfahrene-halter', 'beobachtungstier', 'familiengeeignet',
+      'schredder', 'nestbauer', 'territorial',
+    ]
+    const allKeys = new Set(ALL_TRAITS.map((t) => t.key))
+    for (const key of newKeys) {
+      expect(allKeys.has(key), `missing new key: ${key}`).toBe(true)
+    }
+  })
+
+  it('warn traits are schwer-vergesellschaftbar and territorial', () => {
+    expect(isWarnTrait('schwer-vergesellschaftbar')).toBe(true)
+    expect(isWarnTrait('territorial')).toBe(true)
+  })
+
+  it('non-warn traits return false from isWarnTrait', () => {
+    expect(isWarnTrait('zutraulich')).toBe(false)
+    expect(isWarnTrait('dominant')).toBe(false)
+    expect(isWarnTrait('beobachtungstier')).toBe(false)
+    expect(isWarnTrait('schreckhaft')).toBe(false)
+  })
+
+  it('unknown key returns false from isWarnTrait', () => {
+    expect(isWarnTrait('not-a-real-key')).toBe(false)
+  })
+
+  it('traitLabel returns German label for known key', () => {
+    expect(traitLabel('zutraulich')).toBe('zutraulich')
+    expect(traitLabel('dominant')).toBe('dominant (Leittier)')
+    expect(traitLabel('schwer-vergesellschaftbar')).toBe('schwer vergesellschaftbar')
+    expect(traitLabel('territorial')).toBe('territorial')
+  })
+
+  it('traitLabel returns the key itself for unknown key', () => {
+    expect(traitLabel('not-a-real-key')).toBe('not-a-real-key')
+  })
+
+  it('traitLabels maps a list of keys to labels', () => {
+    expect(traitLabels(['zutraulich', 'dominant'])).toEqual([
+      'zutraulich',
+      'dominant (Leittier)',
+    ])
+  })
+
+  it('traitLabels handles null and undefined gracefully', () => {
+    expect(traitLabels(null)).toEqual([])
+    expect(traitLabels(undefined)).toEqual([])
+  })
+})
diff --git a/gerbil-manager-web/src/format/traits.ts b/gerbil-manager-web/src/format/traits.ts
index 000de82..fe951f5 100644
--- a/gerbil-manager-web/src/format/traits.ts
+++ b/gerbil-manager-web/src/format/traits.ts
@@ -1,9 +1,23 @@
-/** FEAT-14: map character trait KEYS (stored) <-> German LABELS (de.character.traits). */
+/** CHARAKTERBOGEN-2: map character trait KEYS (stored) <-> German LABELS (de.character.traitCategories). */
 import { de } from '../strings/de'
 
-export const ALL_TRAITS = de.character.traits
+export interface TraitEntry {
+  key: string
+  label: string
+  warn?: true
+}
 
-const LABEL_BY_KEY = new Map<string, string>(de.character.traits.map((t) => [t.key, t.label]))
+export interface TraitCategory {
+  category: string
+  traits: readonly TraitEntry[]
+}
+
+export const TRAIT_CATEGORIES: ReadonlyArray<TraitCategory> =
+  de.character.traitCategories as unknown as ReadonlyArray<TraitCategory>
+
+export const ALL_TRAITS: readonly TraitEntry[] = TRAIT_CATEGORIES.flatMap((c) => c.traits)
+
+const LABEL_BY_KEY = new Map<string, string>(ALL_TRAITS.map((t) => [t.key, t.label]))
 
 export function traitLabel(key: string): string {
   return LABEL_BY_KEY.get(key) ?? key
@@ -13,3 +27,7 @@ export function traitLabel(key: string): string {
 export function traitLabels(keys: readonly string[] | null | undefined): string[] {
   return (keys ?? []).map(traitLabel)
 }
+
+export function isWarnTrait(key: string): boolean {
+  return ALL_TRAITS.some((t) => t.key === key && t.warn === true)
+}
diff --git a/gerbil-manager-web/src/strings/de.ts b/gerbil-manager-web/src/strings/de.ts
index dda656d..96f64ed 100644
--- a/gerbil-manager-web/src/strings/de.ts
+++ b/gerbil-manager-web/src/strings/de.ts
@@ -784,9 +784,9 @@ export const de = {
     },
     unknownFarbschlag: 'Unbekannter Farbschlag',
   },
-  // ── FEAT-14 (Kevin): Charakterbogen — Eigenschaften + Notiz, speist den KI-Verkaufstext ──
-  // Traits: stabile KEYS (gespeichert) + deutsche LABELS (UI + KI-Prompt).
-  // Erweitern = eine Zeile in der Liste; Julian verfeinert die Auswahl.
+  // ── FEAT-14 / CHARAKTERBOGEN-2: Charakterbogen — Eigenschaften + Notiz, speist KI-Verkaufstext ──
+  // Traits: stabile KEYS (gespeichert, NIEMALS umbenennen) + deutsche LABELS (UI + KI-Prompt).
+  // Neue Traits = neuen Eintrag hinzufügen; warn:true = Warnsignal (visuell abgesetzt).
   character: {
     sectionTitle: 'Charakter & Eigenschaften',
     noteLabel: 'Notizen zum Charakter',
@@ -794,22 +794,53 @@ export const de = {
     save: 'Charakter speichern',
     saved: 'Charakter gespeichert.',
     none: 'Noch keine Eigenschaften ausgewählt.',
-    traits: [
-      { key: 'zutraulich', label: 'zutraulich' },
-      { key: 'handzahm', label: 'handzahm' },
-      { key: 'neugierig', label: 'neugierig' },
-      { key: 'aufgeschlossen', label: 'aufgeschlossen' },
-      { key: 'ruhig', label: 'ruhig / ausgeglichen' },
-      { key: 'lebhaft', label: 'lebhaft / aktiv' },
-      { key: 'verschmust', label: 'verschmust' },
-      { key: 'eigenstaendig', label: 'eigenständig' },
-      { key: 'anfaengergeeignet', label: 'anfängergeeignet' },
-      { key: 'futterfreudig', label: 'futterfreudig' },
-      { key: 'buddelt', label: 'buddelt gern' },
-      { key: 'klettert', label: 'klettert gern' },
-      { key: 'laufrad', label: 'läuft gern im Laufrad' },
-      { key: 'vertraeglich', label: 'gut verträglich' },
-      { key: 'schreckhaft', label: 'schreckhaft' },
+    warnLabel: '⚠ Warnsignal',
+    traitCategories: [
+      {
+        category: 'Sozialverhalten',
+        traits: [
+          { key: 'dominant', label: 'dominant (Leittier)' },
+          { key: 'rangniedrig', label: 'rangniedrig / unterwürfig' },
+          { key: 'sozialkompetent', label: 'sozialkompetent / gut sozialisiert' },
+          { key: 'schwer-vergesellschaftbar', label: 'schwer vergesellschaftbar', warn: true },
+        ],
+      },
+      {
+        category: 'Eignung & Umgang',
+        traits: [
+          { key: 'anfaengergeeignet', label: 'anfängergeeignet' },
+          { key: 'erfahrene-halter', label: 'für erfahrene Halter' },
+          { key: 'beobachtungstier', label: 'reines Beobachtungstier' },
+          { key: 'familiengeeignet', label: 'familiengeeignet / stressresistent' },
+        ],
+      },
+      {
+        category: 'Hobbys & Eigenarten',
+        traits: [
+          { key: 'futterfreudig', label: 'futterfreudig' },
+          { key: 'buddelt', label: 'buddelt gern' },
+          { key: 'klettert', label: 'klettert gern' },
+          { key: 'laufrad', label: 'läuft gern im Laufrad' },
+          { key: 'schredder', label: 'Schredder-Meister' },
+          { key: 'nestbauer', label: 'Nestbauer / Architekt' },
+          { key: 'territorial', label: 'territorial', warn: true },
+        ],
+      },
+      {
+        category: 'Wesen & Temperament',
+        traits: [
+          { key: 'zutraulich', label: 'zutraulich' },
+          { key: 'handzahm', label: 'handzahm' },
+          { key: 'neugierig', label: 'neugierig' },
+          { key: 'aufgeschlossen', label: 'aufgeschlossen' },
+          { key: 'ruhig', label: 'ruhig / ausgeglichen' },
+          { key: 'lebhaft', label: 'lebhaft / aktiv' },
+          { key: 'verschmust', label: 'verschmust' },
+          { key: 'eigenstaendig', label: 'eigenständig' },
+          { key: 'vertraeglich', label: 'gut verträglich' },
+          { key: 'schreckhaft', label: 'schreckhaft' },
+        ],
+      },
     ],
   },
   // ── UX-MOBILE-1 (Kevin): FilterPanel — einklappbare Filter auf Mobil ──