make static

src/sanity.test.ts

@@ -1,9 +1,14 @@
 import { describe, it, expect } from "vitest";
-import rawConfig from "./config.json";
+import { readFileSync } from "node:fs";
+import { fileURLToPath } from "node:url";
 import { loadConfig } from "./configLoader";
 import { estimate } from "./engine";
 import { parseISODate } from "./dates";
 
+// Read the actual shipped config that gets served at runtime.
+const configPath = fileURLToPath(new URL("../public/config.json", import.meta.url));
+const rawConfig = JSON.parse(readFileSync(configPath, "utf-8"));
+
 describe("real config sanity", () => {
   const result = loadConfig(rawConfig);