Improve L2 market parsing and data handling

vite.config.js

@@ -1,3 +1,5 @@
+import { readFile } from "node:fs/promises";
+import { resolve } from "node:path";
 import { defineConfig, loadEnv } from "vite";
 
 const MAX_BATCH_BYTES = 96 * 1024;
@@ -54,6 +56,27 @@ function marketImportProxy(options) {
   };
 }
 
+function fixtureOcrAssets() {
+  const assets = new Map([
+    ["/__fixtures/tesseract/worker.min.js", ["node_modules/tesseract.js/dist/worker.min.js", "text/javascript"]],
+    ["/__fixtures/tesseract/tesseract-core-simd-lstm.wasm.js", ["node_modules/tesseract.js-core/tesseract-core-simd-lstm.wasm.js", "text/javascript"]],
+    ["/__fixtures/tesseract/tesseract-core-simd-lstm.wasm", ["node_modules/tesseract.js-core/tesseract-core-simd-lstm.wasm", "application/wasm"]],
+    ["/__fixtures/tessdata/eng.traineddata", ["eng.traineddata", "application/octet-stream"]],
+  ]);
+  return {
+    name: "fixture-ocr-assets",
+    configureServer(server) {
+      server.middlewares.use(async (request, response, next) => {
+        const asset = assets.get(request.url?.split("?", 1)[0]);
+        if (!asset) return next();
+        response.statusCode = 200;
+        response.setHeader("Content-Type", asset[1]);
+        response.end(await readFile(resolve(asset[0])));
+      });
+    },
+  };
+}
+
 function readBody(request) {
   return new Promise((resolve, reject) => {
     const chunks = [];
@@ -82,11 +105,13 @@ export default defineConfig(({ mode }) => {
   const environment = loadEnv(mode, process.cwd(), "");
   return {
     base: "./",
+    define: { __FIXTURE_OCR__: JSON.stringify(mode === "test") },
     plugins: [
+      mode === "test" ? fixtureOcrAssets() : null,
       marketImportProxy({
         url: environment.L2_MARKET_IMPORT_URL,
         token: L2_MARKET_IMPORT_TOKEN,
       }),
-    ],
+    ].filter(Boolean),
   };
 });