Build checked asynchronous service registries with Nix

src/execution-world/receipts.ts

@@ -1,5 +1,5 @@
 import { createHash } from "node:crypto";
-import { generatePortableTypeScriptBindings } from "../bindings/portable.js";
+import { generatePortableTypeScriptBindings, generateRemoteTypeScriptBindings } from "../bindings/portable.js";
 import { type ExecutionPlan, ExecutionPlanError, hexDigest } from "./plan.js";
 import { type ArtifactReader, type PackageArtifacts } from "./artifacts.js";
 import { loadArtifactWorld, type LoadedArtifactWorld } from "./files.js";
@@ -53,6 +53,24 @@ export function expectedArtifactReceipt(
     sources.set(path, bytes);
     return { target, path, digest: hashBytes(bytes), bytes: bytes.length };
   });
+  // Custom language services need no TypeScript adapter. A checked JS module
+  // exporting remote handlers does, and must carry the exact generated source.
+  if (
+    manifest.implementations.some(
+      (implementation) =>
+        implementation.compatibility === "quixos-js-module-v1" &&
+        implementation.exports.some((id) =>
+          pkg.exports.some((entry) => entry.id === id && entry.execution.kind === "remote"),
+        ),
+    )
+  ) {
+    const path = "share/quixos/generated/remote.ts";
+    const bytes = new TextEncoder().encode(
+      generateRemoteTypeScriptBindings(plan.definition.bindingSchema, pkg.revision),
+    );
+    sources.set(path, bytes);
+    generated.push({ target: "server", path, digest: hashBytes(bytes), bytes: bytes.length });
+  }
   return {
     receipt: {
       schemaVersion: 1,