fix: improve build and watch command execution

Author: Morgy93

src/Service/ThemeBuilder/TailwindCSS/Builder.php

@@ -14,6 +14,7 @@
 use OpenForgeProject\MageForge\Service\ThemeBuilder\BuilderInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Process\Process;
 
 class Builder implements BuilderInterface
 {
@@ -122,32 +123,21 @@ public function build(
             return false;
         }
 
-        // Change to tailwind directory and run build
-        $currentDir = getcwd();
-        if ($currentDir === false) {
-            $io->error('Cannot determine current directory');
-            return false;
-        }
-        chdir($tailwindPath);
-
         try {
             if ($isVerbose) {
                 $io->text('Running npm build...');
             }
             // Use --quiet only in non-verbose mode to suppress routine output
             $buildCommand = $isVerbose ? 'npm run build' : 'npm run build --quiet';
-            $this->shell->execute($buildCommand);
+            $this->shell->execute('cd %s && ' . $buildCommand, [$tailwindPath]);
             if ($isVerbose) {
                 $io->success('Custom TailwindCSS theme build completed successfully.');
             }
         } catch (\Exception $e) {
             $io->error('Failed to build custom TailwindCSS theme: ' . $e->getMessage());
-            chdir($currentDir);
             return false;
         }
 
-        chdir($currentDir);
-
         // Deploy static content
         if (!$this->staticContentDeployer->deploy(
             $themeCode,
@@ -263,12 +253,12 @@ public function watch(
                 $io->text('Starting watch mode... (use -v for verbose output)');
             }
 
-            chdir($tailwindPath);
-            $exitCode = 0;
-            // phpcs:ignore Magento2.Security.InsecureFunction.Found -- passthru required for interactive watch mode
-            passthru('npm run watch', $exitCode);
+            $process = new Process(['npm', 'run', 'watch'], $tailwindPath);
+            $process->setTimeout(null);
+            $exitCode = $process->run(function ($type, $buffer) use ($output): void {
+                $output->write($buffer);
+            });
 
-            // Check if the command failed
             if ($exitCode !== 0) {
                 $io->error(sprintf('Watch mode exited with error code: %d', $exitCode));
                 return false;