fix: improve error handling in create-zip script

- Add checks for dist/ folder existence
- Add check for manifest.json existence
- Add check for zip command availability
- Improve error messages with actionable guidance
- Better error handling for JSON parsing

Author: prosdev

scripts/create-zip.js

@@ -1,17 +1,35 @@
 #!/usr/bin/env node
 
 import { execSync } from 'node:child_process';
-import { readFileSync } from 'node:fs';
+import { existsSync, readFileSync } from 'node:fs';
 import { dirname, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 const rootDir = resolve(__dirname, '..');
 
+// Check if dist folder exists
+const distDir = resolve(rootDir, 'dist');
+if (!existsSync(distDir)) {
+  console.error('❌ Error: dist/ folder does not exist. Run "pnpm build" first.');
+  process.exit(1);
+}
+
 // Read manifest
-const manifestPath = resolve(rootDir, 'dist', 'manifest.json');
-const manifest = JSON.parse(readFileSync(manifestPath, 'utf-8'));
+const manifestPath = resolve(distDir, 'manifest.json');
+if (!existsSync(manifestPath)) {
+  console.error(`❌ Error: ${manifestPath} does not exist. Run "pnpm build" first.`);
+  process.exit(1);
+}
+
+let manifest;
+try {
+  manifest = JSON.parse(readFileSync(manifestPath, 'utf-8'));
+} catch (error) {
+  console.error(`❌ Error: Failed to parse manifest.json: ${error.message}`);
+  process.exit(1);
+}
 
 // Convert manifest name to filename-friendly format
 // "Auth HI!" -> "auth-hi"
@@ -27,14 +45,24 @@ console.log(`Creating ${zipName} from manifest:`);
 console.log(`  Name: ${manifest.name}`);
 console.log(`  Version: ${version}`);
 
+// Check if zip command is available
+try {
+  execSync('which zip', { stdio: 'ignore' });
+} catch (_error) {
+  console.error('❌ Error: "zip" command not found. Please install zip utility.');
+  process.exit(1);
+}
+
 // Create zip from dist folder
-const distDir = resolve(rootDir, 'dist');
 const zipPath = resolve(rootDir, zipName);
 
 try {
   execSync(`cd "${distDir}" && zip -r "${zipPath}" .`, { stdio: 'inherit' });
   console.log(`\n✅ Created: ${zipName}`);
 } catch (error) {
   console.error(`\n❌ Failed to create zip: ${error.message}`);
+  if (error instanceof Error && error.message.includes('zip')) {
+    console.error('   Make sure "zip" utility is installed and available in PATH.');
+  }
   process.exit(1);
 }