feat(search): add api-backed filtering and sorting

app/api/search/route.ts

@@ -0,0 +1,62 @@
+import { NextResponse } from "next/server"
+import { mockPlayers, mockServices, mockShops } from "@/lib/mock"
+import { searchCatalog } from "@/lib/search/search-catalog"
+import type { SearchSort } from "@/lib/search/types"
+
+export const dynamic = "force-dynamic"
+
+const SEARCH_SORTS: ReadonlySet<SearchSort> = new Set([
+  "composite",
+  "rating",
+  "orders",
+  "price_asc",
+  "price_desc",
+])
+
+function numberParam(value: string | null, fallback: number) {
+  if (value === null) return fallback
+  const parsed = Number(value)
+  return Number.isFinite(parsed) ? parsed : fallback
+}
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url)
+
+  const q = searchParams.get("q") ?? undefined
+  const selectedGames = searchParams.getAll("game")
+  const min = searchParams.get("min") ?? ""
+  const max = searchParams.get("max") ?? ""
+  const onlyOnline = (searchParams.get("online") ?? "0") === "1"
+  const minRating = searchParams.get("minRating") ?? "0"
+
+  const sortParam = (searchParams.get("sort") ?? "composite") as SearchSort
+  const sort: SearchSort = SEARCH_SORTS.has(sortParam) ? sortParam : "composite"
+
+  const limit = numberParam(searchParams.get("limit"), 12)
+  const offset = numberParam(searchParams.get("offset"), 0)
+
+  const response = searchCatalog(
+    {
+      q,
+      selectedGames,
+      min,
+      max,
+      onlyOnline,
+      minRating,
+      sort,
+      limit,
+      offset,
+    },
+    {
+      players: mockPlayers,
+      shops: mockShops,
+      services: mockServices,
+    },
+  )
+
+  return NextResponse.json(response, {
+    headers: {
+      "Cache-Control": "no-store",
+    },
+  })
+}