Init commit from initial prompt

src/lib/api.ts

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+import axios from 'axios';
+import type { CardsResponse } from '@/types/pokemon';
+
+const BASE = 'https://api.pokemontcg.io/v2';
+
+export type FetchCardsParams = {
+  q?: string;
+  page?: number;
+  pageSize?: number;
+};
+
+export async function fetchMagikarpCards(params: FetchCardsParams = {}): Promise<CardsResponse> {
+  const { q, page = 1, pageSize = 50 } = params;
+  // Keep query minimal to avoid parser errors on API side
+  const parts = [
+    'name:magikarp',
+  ];
+  if (q) parts.push(q);
+
+  const url = `${BASE}/cards`;
+  const headers: Record<string, string> = {};
+  const apiKey = process.env.POKEMON_TCG_API_KEY || process.env.NEXT_PUBLIC_POKEMON_TCG_API_KEY;
+  if (apiKey) headers['X-Api-Key'] = apiKey;
+
+  const { data } = await axios.get<CardsResponse>(url, {
+    params: { q: parts.join(' '), page, pageSize },
+    headers,
+  });
+  return data;
+}

src/lib/checklist.ts

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+export const CHECKLIST_KEY = 'magikarp-checklist-v1';
+
+export function loadChecklist(): Set<string> {
+  if (typeof window === 'undefined') return new Set();
+  try {
+    const raw = localStorage.getItem(CHECKLIST_KEY);
+    if (!raw) return new Set();
+    const arr = JSON.parse(raw) as string[];
+    return new Set(arr);
+  } catch {
+    return new Set();
+  }
+}
+
+export function saveChecklist(set: Set<string>) {
+  if (typeof window === 'undefined') return;
+  try {
+    localStorage.setItem(CHECKLIST_KEY, JSON.stringify(Array.from(set)));
+  } catch {
+    // ignore
+  }
+}