fix(e2e): check JS binary existence before running tests

- JS binary requires build (pnpm run build) before e2e tests
- Added existence check for js binary type with helpful error message
- All binary types (js, sea, smol) now validated before test execution

Author: jdalton

packages/cli/.env.test

@@ -1,10 +1,10 @@
 NODE_COMPILE_CACHE="./.cache"
 NODE_OPTIONS="--max-old-space-size=2048 --unhandled-rejections=warn"
 VITEST=1
-# Points to local @socketsecurity/cli JS dist so stub binary doesn't download from npm
-SOCKET_CLI_JS_PATH="./dist/cli.js"
 # Disable Node.js binary forwarding for tests
 SOCKET_CLI_DISABLE_NODE_FORWARDING=1
+# Points to local @socketsecurity/cli JS dist so stub binary doesn't download from npm
+SOCKET_CLI_JS_PATH="./dist/cli.js"
 # E2E test configuration
 # Set to 1 to enable E2E tests (requires Socket API token)
 # RUN_E2E_TESTS=1

packages/cli/scripts/e2e.mjs

@@ -45,20 +45,17 @@ const BINARY_FLAGS = {
 }
 
 async function checkBinaryExists(binaryType) {
-  // JS binary always exists after build.
-  if (binaryType === 'js') {
-    return true
-  }
-
-  // For explicit binary requests (sea, smol), require binary to exist.
-  if (binaryType === 'sea' || binaryType === 'smol') {
+  // For explicit binary requests (js, sea, smol), require binary to exist.
+  if (binaryType === 'js' || binaryType === 'sea' || binaryType === 'smol') {
     const binaryPath = BINARY_PATHS[binaryType]
     if (!existsSync(binaryPath)) {
       logger.error(`${colors.red('✗')} Binary not found: ${binaryPath}`)
       logger.log('')
       logger.log('The binary must be built before running e2e tests.')
       logger.log('Build commands:')
-      if (binaryType === 'sea') {
+      if (binaryType === 'js') {
+        logger.log('  pnpm run build')
+      } else if (binaryType === 'sea') {
         logger.log('  pnpm --filter @socketbin/node-sea-builder run build')
       } else if (binaryType === 'smol') {
         logger.log('  pnpm --filter @socketbin/node-smol-builder run build')