fix: auto-install binary on run if missing (#654)

* fix: auto-install binary on run if missing

pnpm skips postinstall when the package is already cached/installed.
This commit ensures run.js will auto-trigger install.js if the
binary is missing, fixing the 'gws binary not found' error.

* chore: add changeset for pnpm binary fix

---------

Co-authored-by: jpoehnelt-bot <jpoehnelt-bot@users.noreply.github.com>

.changeset/fix-pnpm-binary-install.md

@@ -0,0 +1,9 @@
+---
+"@googleworkspace/cli": patch
+---
+
+fix: auto-install binary on run if missing
+
+pnpm skips postinstall when the package is already up to date.
+This ensures run.js will auto-trigger install.js if the
+binary is missing, fixing the 'gws binary not found' error.

npm/run.js

@@ -12,9 +12,15 @@ const binPath = path.join(__dirname, "bin", platform.binary);
 
 if (!fs.existsSync(binPath)) {
   console.error(
-    `gws binary not found at ${binPath}\nRun "npm install -g @googleworkspace/cli" to install it.`,
+    `gws binary not found at ${binPath}\nAuto-installing...`
   );
-  process.exit(1);
+  const install = spawnSync(process.execPath, [path.join(__dirname, "install.js")], {
+    cwd: __dirname,
+    stdio: "inherit",
+  });
+  if (install.status !== 0) {
+    process.exit(install.status ?? 1);
+  }
 }
 
 const result = spawnSync(binPath, process.argv.slice(2), {