sdk: fix nested exports transformation in publish script

The publish script now recursively transforms export paths to handle nested export objects. This ensures all SDK entry points are correctly mapped to their compiled dist/ locations and type definitions when publishing to npm.

packages/sdk/js/script/publish.ts

@@ -6,15 +6,24 @@ import { $ } from "bun"
 const dir = new URL("..", import.meta.url).pathname
 process.chdir(dir)
 
-const pkg = await import("../package.json").then((m) => m.default)
+const pkg = (await import("../package.json").then((m) => m.default)) as {
+  exports: Record<string, string | object>
+}
 const original = JSON.parse(JSON.stringify(pkg))
-for (const [key, value] of Object.entries(pkg.exports)) {
-  const file = value.replace("./src/", "./dist/").replace(".ts", "")
-  pkg.exports[key] = {
-    import: file + ".js",
-    types: file + ".d.ts",
+function transformExports(exports: Record<string, string | object>) {
+  for (const [key, value] of Object.entries(exports)) {
+    if (typeof value === "object" && value !== null) {
+      transformExports(value as Record<string, string | object>)
+    } else if (typeof value === "string") {
+      const file = value.replace("./src/", "./dist/").replace(".ts", "")
+      exports[key] = {
+        import: file + ".js",
+        types: file + ".d.ts",
+      }
+    }
   }
 }
+transformExports(pkg.exports)
 await Bun.write("package.json", JSON.stringify(pkg, null, 2))
 await $`bun pm pack`
 await $`npm publish *.tgz --tag ${Script.channel} --access public`