Merge branch 'worktree-agent-ae59040b377a324cb'

# Conflicts:
#	GerbilManagerWebAPI/ApplicationContext.cs
#	GerbilManagerWebAPI/Program.cs
#	gerbil-manager-web/e2e/mock-data.ts
#	gerbil-manager-web/src/pages/GerbilDetailPage.tsx
#	gerbil-manager-web/src/strings/de.ts

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

@@ -0,0 +1,49 @@
+/** EXHIBITION: Ausstellungs-/Show-Ergebnisse je Tier — Tab in der Rennmausakte. */
+import { de, expect, skipUnlessMock, test } from './fixtures'
+
+const t = de.pages.tierTabs.exhibitions
+const ta = de.pages.tierTabs.actions
+const tabs = de.pages.gerbils.detail.tabs
+
+test('Rennmausakte: Ausstellungsergebnis anlegen, sehen und löschen', async ({ page, mockDb }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/kruemel')
+
+  // Auf den "Ausstellungen"-Tab wechseln.
+  await page.getByRole('tab', { name: tabs.exhibitions }).click()
+
+  // Leerzustand sichtbar.
+  await expect(page.getByText(t.empty)).toBeVisible()
+
+  // Neues Ergebnis erfassen.
+  await page.getByRole('button', { name: new RegExp(t.newButton) }).click()
+  await page.getByLabel(new RegExp(t.fields.eventName)).fill('Nationale Rennmausschau 2026')
+  await page.getByLabel(t.fields.placement).fill('1. Platz')
+  await page.getByLabel(t.fields.award).fill('Best in Show')
+  await page.getByRole('button', { name: ta.save, exact: true }).click()
+
+  // Ergebnis erscheint in der Liste.
+  await expect(page.getByText('Nationale Rennmausschau 2026')).toBeVisible()
+  await expect(page.getByText('1. Platz')).toBeVisible()
+
+  // Wurde im Mock mit Tier-Bezug gespeichert.
+  expect(mockDb).not.toBeNull()
+  const row = mockDb!.exhibitions.find((r) => r.eventName === 'Nationale Rennmausschau 2026')
+  expect(row).toMatchObject({ gerbilId: 'kruemel', placement: '1. Platz', award: 'Best in Show' })
+
+  // Löschen (window.confirm automatisch annehmen).
+  page.once('dialog', (d) => void d.accept())
+  await page.getByRole('button', { name: ta.delete }).click()
+  await expect(page.getByText(t.empty)).toBeVisible()
+})
+
+test('Rennmausakte: leere Veranstaltung wird abgelehnt (Validierung)', async ({ page }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/kruemel')
+  await page.getByRole('tab', { name: tabs.exhibitions }).click()
+  await page.getByRole('button', { name: new RegExp(t.newButton) }).click()
+
+  // Ohne Veranstaltung speichern → Validierungsfehler, kein Eintrag.
+  await page.getByRole('button', { name: ta.save, exact: true }).click()
+  await expect(page.getByText(t.validation.eventNameRequired)).toBeVisible()
+})

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

@@ -742,6 +742,59 @@ export async function installMockApi(page: Page): Promise<MockDb> {
       return json(route, 405)
     }
 
+    // EXHIBITION: Ausstellungs-/Show-Ergebnisse je Tier (POST/GET ?gerbilId=, PUT, DELETE).
+    // Plain-Liste (kein Gridify), gefiltert per ?gerbilId, neueste zuerst.
+    if (path === '/exhibitions') {
+      if (method === 'GET') {
+        const gerbilId = url.searchParams.get('gerbilId')
+        const rows = (db.exhibitions as Row[]).filter(
+          (r) => !gerbilId || r.gerbilId === gerbilId,
+        )
+        const sorted = [...rows].sort((a, b) =>
+          String(b.date ?? '').localeCompare(String(a.date ?? '')),
+        )
+        return json(route, 200, sorted)
+      }
+      if (method === 'POST') {
+        const body = request.postDataJSON() as Row
+        if (!String(body.eventName ?? '').trim())
+          return json(route, 400, 'EventName darf nicht leer sein.')
+        const created = {
+          id: newId('exhibition'),
+          gerbilId: body.gerbilId ?? null,
+          entityName: body.entityName ?? null,
+          eventName: String(body.eventName).trim(),
+          date: body.date ?? null,
+          placement: body.placement ?? null,
+          award: body.award ?? null,
+          note: body.note ?? null,
+          createdAt: new Date().toISOString(),
+        }
+        ;(db.exhibitions as Row[]).push(created)
+        return json(route, 201, created)
+      }
+      return json(route, 405)
+    }
+    const em = path.match(/^\/exhibitions\/([^/]+)$/)
+    if (em) {
+      const eid = decodeURIComponent(em[1])
+      const idx = (db.exhibitions as Row[]).findIndex((r) => r.id === eid)
+      if (idx < 0) return json(route, 404, { title: 'Not Found' })
+      if (method === 'GET') return json(route, 200, db.exhibitions[idx])
+      if (method === 'PUT') {
+        const body = request.postDataJSON() as Row
+        if ('eventName' in body && !String(body.eventName ?? '').trim())
+          return json(route, 400, 'EventName darf nicht leer sein.')
+        Object.assign(db.exhibitions[idx], body)
+        return json(route, 200, db.exhibitions[idx])
+      }
+      if (method === 'DELETE') {
+        ;(db.exhibitions as Row[]).splice(idx, 1)
+        return json(route, 204)
+      }
+      return json(route, 405)
+    }
+
     // Generische Kollektionen: /<resource> und /<resource>/<id>
     m = path.match(/^\/([a-z-]+)(?:\/([^/]+))?$/)
     const col = m ? collections[m[1]] : undefined

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

@@ -93,6 +93,8 @@ export interface MockDb {
   waitingList: Record<string, unknown>[]
   // RÜCKNAHMEN: zurückgenommene Tiere (CRUD /returns)
   returns: Record<string, unknown>[]
+  // EXHIBITION: Ausstellungs-/Show-Ergebnisse je Tier (POST /exhibitions)
+  exhibitions: Record<string, unknown>[]
 }
 
 function gerbil(
@@ -620,5 +622,6 @@ export function seedDb(): MockDb {
       },
     ],
     returns: [],
+    exhibitions: [],
   }
 }