Merge #149: streaming CSV & Parquet export for transfers

Reconciled package-lock.json for @fast-csv/format + parquetjs-lite.
Verified: tsc build clean.

Author: Salmatcre8

package-lock.json

@@ -60,13 +60,15 @@
     "@apollo/server": "^5.5.1",
     "@as-integrations/express4": "^1.1.2",
     "@asteasolutions/zod-to-openapi": "^8.5.0",
+    "@fast-csv/format": "^5.0.7",
     "@prisma/client": "^5.10.0",
     "@stellar/stellar-sdk": "^15.0.1",
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "express": "^4.18.3",
     "express-rate-limit": "^8.3.2",
     "graphql": "^16.11.0",
+    "parquetjs-lite": "^0.8.7",
     "ws": "^8.20.0",
     "zod": "^4.4.3"
   },

package.json

@@ -9,6 +9,7 @@ import { createAccountsRouter } from "./api/accounts";
 import { createWebhooksRouter } from "./api/webhooks";
 import { createGraphQLMiddleware } from "./graphql/server";
 import { createPopularAssetsRouter } from "./routes/assets/popular";
+import { createExportsRouter } from "./routes/exports";
 import {
   hostFnQuerySchema,
   nftOwnerParamsSchema,
@@ -96,6 +97,9 @@ export function createApp(): express.Application {
   // ── Assets routes ───────────────────────────────────────────────────────────
   app.use("/assets", createPopularAssetsRouter());
 
+  // ── Export routes ─────────────────────────────────────────────────────────────
+  app.use("/", createExportsRouter());
+
   // ── Helpers ──────────────────────────────────────────────────────────────────
   const parseIntParam = (val: unknown, fallback: number): number => {
     const n = parseInt(String(val), 10);