feat(tier): Erwerb/Kauf je Tier (Datum, Preis, Notiz)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

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

@@ -0,0 +1,45 @@
+/** ERWERB: Erwerb/Kauf je Tier — Sektion in der Rennmausakte (anlegen / bearbeiten / löschen). */
+import { de, expect, skipUnlessMock, test } from './fixtures'
+
+const t = de.pages.tierTabs.acquisition
+
+test('Tierakte: Erwerb erfassen, bearbeiten und löschen', async ({ page, mockDb }) => {
+  skipUnlessMock()
+  await page.goto('/rennmaeuse/kruemel')
+
+  const section = page.locator('section.ak-card', { hasText: t.sectionTitle })
+  await expect(section).toBeVisible()
+  await expect(section).toContainText(t.empty)
+
+  // Anlegen: Formular öffnen, Felder füllen, speichern.
+  await section.getByRole('button', { name: t.addButton }).click()
+  await section.getByLabel(t.fields.date).fill('2025-03-14')
+  await section.getByLabel(t.fields.price).fill('25.50')
+  await section.getByLabel(t.fields.note).fill('Auf der Börse gekauft.')
+  await section.getByRole('button', { name: t.addButton }).click()
+
+  // Eintrag erscheint in der Liste, im Mock gespeichert.
+  await expect(section).toContainText('25,50')
+  await expect(section).toContainText('Auf der Börse gekauft.')
+  expect(mockDb).not.toBeNull()
+  expect(mockDb!.acquisitions.length).toBe(1)
+  expect(mockDb!.acquisitions[0]).toMatchObject({
+    gerbilId: 'kruemel',
+    date: '2025-03-14',
+    price: 25.5,
+    note: 'Auf der Börse gekauft.',
+  })
+
+  // Bearbeiten: Preis ändern.
+  await section.getByRole('button', { name: t.edit }).click()
+  await section.getByLabel(t.fields.price).fill('30')
+  await section.getByRole('button', { name: t.saveButton }).click()
+  await expect(section).toContainText('30,00')
+  expect(mockDb!.acquisitions[0]).toMatchObject({ price: 30 })
+
+  // Löschen (window.confirm bestätigen).
+  page.once('dialog', (d) => d.accept())
+  await section.getByRole('button', { name: t.delete }).click()
+  await expect(section).toContainText(t.empty)
+  expect(mockDb!.acquisitions.length).toBe(0)
+})

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

@@ -416,6 +416,50 @@ export async function installMockApi(page: Page): Promise<MockDb> {
       return json(route, 405)
     }
 
+    // ERWERB: Erwerb/Kauf je Tier — GET ?gerbilId= (Array, kein Gridify-Paging),
+    // POST/PUT/DELETE. Vor den generischen Kollektionen, weil GET kein {items}-Objekt
+    // liefert und nach gerbilId statt Gridify-filter selektiert.
+    const acqMatch = path.match(/^\/acquisitions(?:\/([^/]+))?$/)
+    if (acqMatch) {
+      const acqId = acqMatch[1] ? decodeURIComponent(acqMatch[1]) : null
+      if (!acqId) {
+        if (method === 'GET') {
+          const gid = url.searchParams.get('gerbilId')
+          const rows = db.acquisitions.filter((a) => !gid || a.gerbilId === gid)
+          return json(route, 200, [...rows].reverse())
+        }
+        if (method === 'POST') {
+          const created = {
+            id: newId('acq'),
+            sourceContactId: null,
+            date: null,
+            price: null,
+            note: null,
+            ...(request.postDataJSON() as Row),
+            createdAt: new Date().toISOString(),
+          }
+          db.acquisitions.push(created)
+          return json(route, 201, created)
+        }
+        return json(route, 405)
+      }
+      const ai = db.acquisitions.findIndex((a) => a.id === acqId)
+      if (method === 'GET') {
+        return ai >= 0 ? json(route, 200, db.acquisitions[ai]) : json(route, 404, { title: 'Not Found' })
+      }
+      if (method === 'PUT') {
+        if (ai < 0) return json(route, 404, { title: 'Not Found' })
+        Object.assign(db.acquisitions[ai], request.postDataJSON() as Row)
+        return json(route, 204)
+      }
+      if (method === 'DELETE') {
+        if (ai < 0) return json(route, 404, { title: 'Not Found' })
+        db.acquisitions.splice(ai, 1)
+        return json(route, 204)
+      }
+      return json(route, 405)
+    }
+
     // Generische Kollektionen: /<resource> und /<resource>/<id>
     m = path.match(/^\/([a-z-]+)(?:\/([^/]+))?$/)
     const col = m ? collections[m[1]] : undefined

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

@@ -78,6 +78,8 @@ export interface MockDb {
   namesConfigured: boolean
   // FEEDBACK: "Fehler melden" — gesammelte Berichte (POST /feedback)
   feedback: Record<string, unknown>[]
+  // ERWERB: Erwerb/Kauf je Tier (Kaufdatum, Preis, Notiz) — /acquisitions
+  acquisitions: Record<string, unknown>[]
 }
 
 function gerbil(
@@ -376,5 +378,6 @@ export function seedDb(): MockDb {
     saleAdConfigured: true,
     namesConfigured: true,
     feedback: [],
+    acquisitions: [],
   }
 }