refactor!: migrate from REST API to GraphQL

- Replace OpenAPI/REST endpoints with a single  route.
- Remove  and Swagger UI configuration.
- Disable OpenAPI schema extensions in Zod types.
- Refactor  to be request-agnostic.
- Update episode URL fetching to return standardized success/failure objects.
- Update project dependencies.

src/graphql/resolvers/queries/popularBrowse.ts

@@ -0,0 +1,31 @@
+import { GraphQLError } from "graphql";
+
+import { fetchPopularTitlesFromAnilist } from "~/controllers/popular/browse/anilist";
+
+import type { GraphQLContext } from "../../context";
+
+interface PopularBrowseArgs {
+  limit?: number;
+}
+
+export async function popularBrowse(
+  _parent: unknown,
+  args: PopularBrowseArgs,
+  _context: GraphQLContext,
+) {
+  const { limit = 10 } = args;
+
+  const response = await fetchPopularTitlesFromAnilist(limit);
+
+  if (!response) {
+    throw new GraphQLError("Failed to fetch popular titles", {
+      extensions: { code: "INTERNAL_SERVER_ERROR" },
+    });
+  }
+
+  return {
+    trending: response.trending || [],
+    popular: response.popular || [],
+    upcoming: response.upcoming || [],
+  };
+}