FEAT-3: litter type+CRUD, Zucht strings, /wuerfe nested routes (retire LittersPage)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

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

@@ -1,7 +1,24 @@
 /** Typed API functions for the Würfe (litters) resource. */
 import { api, resources } from './client'
-import type { Litter } from './types'
+import { toQueryString, type GridifyQuery } from './gridify'
+import type { CreateLitter, Litter, Paged, UpdateLitter } from './types'
 
 export function getLitter(id: string): Promise<Litter> {
   return api.get<Litter>(`${resources.litters}/${id}`)
 }
+
+export function listLitters(query: GridifyQuery): Promise<Paged<Litter>> {
+  return api.get<Paged<Litter>>(`${resources.litters}${toQueryString(query)}`)
+}
+
+export function createLitter(body: CreateLitter): Promise<Litter> {
+  return api.post<Litter>(resources.litters, body)
+}
+
+export function updateLitter(id: string, body: UpdateLitter): Promise<Litter> {
+  return api.put<Litter>(`${resources.litters}/${id}`, body)
+}
+
+export function deleteLitter(id: string): Promise<void> {
+  return api.delete(`${resources.litters}/${id}`)
+}

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

@@ -80,12 +80,34 @@ export interface Contact {
 export interface Litter {
   id: string
   name: string
+  /** Wurfdatum (birth date). */
   date: DateOnlyString
+  /** Wurfstärke — total born count. */
   totalBorn: number | null
+  /**
+   * Abgabedatum (auto-suggested ~35 days after birth, editable).
+   * Optional in the type so existing Litter constructors (e.g. pedigree test
+   * factories) keep compiling; the API DTO always includes it (nullable).
+   */
+  expectedGoHomeDate?: DateOnlyString | null
+  notes?: string | null
   fatherId: string | null
   motherId: string | null
 }
 
+/** Payload for POST /litters. */
+export interface CreateLitter {
+  name: string
+  date: DateOnlyString
+  totalBorn?: number | null
+  expectedGoHomeDate?: DateOnlyString | null
+  notes?: string | null
+  fatherId?: string | null
+  motherId?: string | null
+}
+
+export type UpdateLitter = Partial<CreateLitter>
+
 /** Paged list envelope returned by Gridify list endpoints. */
 export interface Paged<T> {
   items: T[]