Update from source

.npm/postinstall.js

@@ -0,0 +1,69 @@
+#!/usr/bin/env node
+
+const { spawn } = require("child_process");
+const { existsSync } = require("fs");
+const path = require("path");
+
+const pkgRoot = path.join(__dirname, "..");
+const rootPkg = require(path.join(pkgRoot, "package.json"));
+const optionalDependencies = rootPkg.optionalDependencies || {};
+const platforms = rootPkg.customerioCli?.platforms || [];
+const platform = platforms.find(
+  (candidate) => candidate.os === process.platform && candidate.cpu === process.arch
+);
+
+if (!platform) {
+  console.log("[cio postinstall] No matching platform found for", process.platform, process.arch);
+  process.exit(0);
+}
+
+const platformPackage = Object.keys(optionalDependencies).find((packageName) =>
+  packageName.endsWith(`-${platform.npm}`)
+);
+
+if (!platformPackage) {
+  console.log("[cio postinstall] No platform package found for", platform.npm);
+  process.exit(0);
+}
+
+let platformPackageRoot;
+try {
+  platformPackageRoot = path.dirname(
+    require.resolve(`${platformPackage}/package.json`, { paths: [pkgRoot] })
+  );
+} catch {
+  console.log("[cio postinstall] Could not resolve", platformPackage);
+  process.exit(0);
+}
+
+const binPath = path.join(platformPackageRoot, "bin", `cio${platform.ext || ""}`);
+
+if (!existsSync(binPath)) {
+  console.log("[cio postinstall] Binary not found at", binPath);
+  process.exit(0);
+}
+
+const isGlobal = process.env.npm_config_global === "true";
+const scopeFlag = isGlobal ? "--global" : "--project";
+const spawnOpts = { stdio: "inherit" };
+
+// For project installs, npm runs postinstall with cwd inside node_modules.
+// INIT_CWD is the directory where the user ran npm install (the project root).
+if (!isGlobal && process.env.INIT_CWD) {
+  spawnOpts.cwd = process.env.INIT_CWD;
+}
+
+console.log(`[cio postinstall] Running: cio skills install ${scopeFlag}`);
+const child = spawn(binPath, ["skills", "install", scopeFlag], spawnOpts);
+
+child.on("error", (err) => {
+  console.log("[cio postinstall] Failed to run cio skills install:", err.message);
+  process.exit(0);
+});
+
+child.on("close", (code) => {
+  if (code !== 0) {
+    console.log("[cio postinstall] cio skills install exited with code", code);
+  }
+  process.exit(0);
+});

cmd/domains.go

@@ -97,11 +97,18 @@ func requireArg(name string) cobra.PositionalArgs {
 	}
 }
 
-// resolveUIBase returns the UI base URL from CIO_UI_URL or the default.
-func resolveUIBase() string {
+// resolveUIBase returns the app (UI) base URL for building handoff links.
+// It mirrors the cio auth login handoff: an explicit CIO_UI_URL override wins,
+// otherwise derive the app origin from the configured API base by stripping a
+// leading us./eu. region label (e.g. us.api.example.com -> api.example.com),
+// falling back to the production app.
+func resolveUIBase(apiBaseURL string) string {
 	if envURL := os.Getenv("CIO_UI_URL"); envURL != "" {
 		return strings.TrimRight(envURL, "/")
 	}
+	if origin := uiOriginFromAPIBase(apiBaseURL); origin != "" {
+		return origin
+	}
 	return "https://fly.customer.io"
 }