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

tests/search-route.test.ts

@@ -0,0 +1,51 @@
+import { describe, expect, it } from "vitest"
+import { GET } from "@/app/api/search/route"
+
+describe("GET /api/search", () => {
+  it("returns 200 with items and meta", async () => {
+    const request = new Request("http://x/api/search")
+    const response = await GET(request)
+
+    expect(response.status).toBe(200)
+    const json = await response.json()
+    expect(Array.isArray(json.items)).toBe(true)
+    expect(json.meta).toHaveProperty("total")
+    expect(json.meta).toHaveProperty("offset")
+    expect(json.meta).toHaveProperty("limit")
+  })
+
+  it("sets Cache-Control to no-store", async () => {
+    const request = new Request("http://x/api/search")
+    const response = await GET(request)
+
+    expect(response.headers.get("Cache-Control")).toBe("no-store")
+  })
+
+  it("filters by q param", async () => {
+    const request = new Request("http://x/api/search?q=winter")
+    const response = await GET(request)
+    const json = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(json.items.length).toBeGreaterThan(0)
+  })
+
+  it("respects limit and offset", async () => {
+    const request = new Request("http://x/api/search?limit=2&offset=1")
+    const response = await GET(request)
+    const json = await response.json()
+
+    expect(json.items.length).toBeLessThanOrEqual(2)
+    expect(json.meta.limit).toBe(2)
+    expect(json.meta.offset).toBe(1)
+  })
+
+  it("handles game filter", async () => {
+    const request = new Request("http://x/api/search?game=CS2")
+    const response = await GET(request)
+    const json = await response.json()
+
+    expect(response.status).toBe(200)
+    expect(json.items.length).toBeGreaterThan(0)
+  })
+})