Make Camino examples and scaffolds complete Yarn and Nix packages

build-artifacts.mjs

@@ -1,3 +1,4 @@
+import { installDependencies } from "./install-dependencies.mjs";
 import { buildService } from "./build-service.mjs";
 import { buildComponents } from "./build-components.mjs";
 /** Trusted Nix build driver. No package-defined build hooks run between generation and witnessing. */
@@ -69,14 +70,18 @@ for (const { target, mode, settings } of builds) {
   await writable(work);
   const modules = path.join(work, "node_modules");
   await fs.mkdir(path.join(modules, "@quixos"), { recursive: true });
-  if (config.nodeModules) {
-    for (const item of await fs.readdir(config.nodeModules, { withFileTypes: true })) {
-      if (item.name === "@quixos") throw Error("Application dependencies cannot substitute the checked SDK");
-      await fs.symlink(path.join(config.nodeModules, item.name), path.join(modules, item.name));
-    }
-  }
-  await fs.symlink(config.core, path.join(modules, "@quixos/camino-replica-core"));
-  await fs.writeFile(path.join(work, "package.json"), JSON.stringify({ type: "module" }));
+  await installDependencies({
+    destination: modules,
+    application: config.nodeModules,
+    selected: { "@quixos/camino-replica-core": config.core },
+    reserved: ["@quixos/camino-replica-core", "@quixos/camino-replica-client", "@quixos/camino-replica-engine"],
+  });
+  const packageFile = path.join(work, "package.json");
+  const packageMetadata = await fs.readFile(packageFile, "utf8").then(JSON.parse, (error) => {
+    if (error.code === "ENOENT") return {};
+    throw error;
+  });
+  await fs.writeFile(packageFile, JSON.stringify({ ...packageMetadata, type: "module" }));
   const bindingPath = relative(settings.bindingOutput);
   const source =
     mode === "remote"