Add admin panel with CRUD endpoints and management UI

Add admin API endpoints for games, routes, pokemon, and route encounters
with full CRUD operations including bulk import. Build admin frontend
with game/route/pokemon management pages, navigation, and data tables.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/api/admin.ts

@@ -0,0 +1,71 @@
+import { api } from './client'
+import type {
+  Game,
+  Route,
+  Pokemon,
+  RouteEncounterDetail,
+  CreateGameInput,
+  UpdateGameInput,
+  CreateRouteInput,
+  UpdateRouteInput,
+  RouteReorderItem,
+  CreatePokemonInput,
+  UpdatePokemonInput,
+  BulkImportResult,
+  CreateRouteEncounterInput,
+  UpdateRouteEncounterInput,
+} from '../types'
+
+// Games
+export const createGame = (data: CreateGameInput) =>
+  api.post<Game>('/games', data)
+
+export const updateGame = (id: number, data: UpdateGameInput) =>
+  api.put<Game>(`/games/${id}`, data)
+
+export const deleteGame = (id: number) =>
+  api.del(`/games/${id}`)
+
+// Routes
+export const createRoute = (gameId: number, data: CreateRouteInput) =>
+  api.post<Route>(`/games/${gameId}/routes`, data)
+
+export const updateRoute = (gameId: number, routeId: number, data: UpdateRouteInput) =>
+  api.put<Route>(`/games/${gameId}/routes/${routeId}`, data)
+
+export const deleteRoute = (gameId: number, routeId: number) =>
+  api.del(`/games/${gameId}/routes/${routeId}`)
+
+export const reorderRoutes = (gameId: number, routes: RouteReorderItem[]) =>
+  api.put<Route[]>(`/games/${gameId}/routes/reorder`, { routes })
+
+// Pokemon
+export const listPokemon = (search?: string, limit = 50, offset = 0) => {
+  const params = new URLSearchParams()
+  if (search) params.set('search', search)
+  params.set('limit', String(limit))
+  params.set('offset', String(offset))
+  return api.get<Pokemon[]>(`/pokemon?${params}`)
+}
+
+export const createPokemon = (data: CreatePokemonInput) =>
+  api.post<Pokemon>('/pokemon', data)
+
+export const updatePokemon = (id: number, data: UpdatePokemonInput) =>
+  api.put<Pokemon>(`/pokemon/${id}`, data)
+
+export const deletePokemon = (id: number) =>
+  api.del(`/pokemon/${id}`)
+
+export const bulkImportPokemon = (items: Array<{ nationalDex: number; name: string; types: string[]; spriteUrl?: string | null }>) =>
+  api.post<BulkImportResult>('/pokemon/bulk-import', items)
+
+// Route Encounters
+export const addRouteEncounter = (routeId: number, data: CreateRouteEncounterInput) =>
+  api.post<RouteEncounterDetail>(`/routes/${routeId}/pokemon`, data)
+
+export const updateRouteEncounter = (routeId: number, encounterId: number, data: UpdateRouteEncounterInput) =>
+  api.put<RouteEncounterDetail>(`/routes/${routeId}/pokemon/${encounterId}`, data)
+
+export const removeRouteEncounter = (routeId: number, encounterId: number) =>
+  api.del(`/routes/${routeId}/pokemon/${encounterId}`)