feat: scraper registry + adapter interface

src/lib/scrapers/index.ts

@@ -0,0 +1,19 @@
+import { detectShop, type Shop } from '@/lib/shops'
+import type { PriceScraper, ScrapeResult } from './types'
+
+const registry = new Map<Shop, PriceScraper>()
+
+export function registerScraper(scraper: PriceScraper) {
+  registry.set(scraper.shop, scraper)
+}
+
+export async function scrapeUrl(url: string): Promise<ScrapeResult> {
+  const shop = detectShop(url)
+  if (!shop) throw new Error(`Unsupported URL: ${url}`)
+  const scraper = registry.get(shop)
+  if (!scraper) throw new Error(`No scraper registered for shop: ${shop}`)
+  return scraper.scrape(url)
+}
+
+export function registerScraperForTest(s: PriceScraper) { registry.set(s.shop, s) }
+export function resetScrapersForTest() { registry.clear() }