FEAT-1: add typed gerbils/lookups API + useApi/useMutation hooks

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

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

@@ -0,0 +1,34 @@
+/**
+ * Lookup resources used to populate form dropdowns (Farbschlag, Becken,
+ * Kontakte, Würfe). These endpoints are Gridify-paged like the rest; for
+ * dropdowns we request a large page and read `.items`.
+ */
+import { api, resources } from './client'
+import { toQueryString } from './gridify'
+import type { ColorVariety, Contact, Enclosure, Litter, Paged } from './types'
+
+const ALL = toQueryString({ page: 1, pageSize: 1000, orderBy: 'name' })
+
+export async function listColorVarieties(): Promise<ColorVariety[]> {
+  const paged = await api.get<Paged<ColorVariety>>(
+    `${resources.colorVarieties}${toQueryString({ page: 1, pageSize: 1000, orderBy: 'sortOrder' })}`,
+  )
+  return paged.items
+}
+
+export async function listEnclosures(): Promise<Enclosure[]> {
+  const paged = await api.get<Paged<Enclosure>>(`${resources.enclosures}${ALL}`)
+  return paged.items
+}
+
+export async function listContacts(): Promise<Contact[]> {
+  const paged = await api.get<Paged<Contact>>(`${resources.contacts}${ALL}`)
+  return paged.items
+}
+
+export async function listLitters(): Promise<Litter[]> {
+  const paged = await api.get<Paged<Litter>>(
+    `${resources.litters}${toQueryString({ page: 1, pageSize: 1000, orderBy: 'date desc' })}`,
+  )
+  return paged.items
+}