feat: AfterInstall creates custom i18n directories for all locales

Ensures custom/Espo/Custom/Resources/i18n/{locale}/ exists for
en_US, fa_IR, he_IL, and the system language. Without this, Label
Manager fails with 500 on fresh installs using fa_IR (Hebrew RTL
wrapper) because the directory doesn't exist and EspoCRM doesn't
create it automatically.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

manifest.json

@@ -1,6 +1,6 @@
 {
     "name": "LegalAssistance",
-    "version": "1.2.3",
+    "version": "1.3.0",
     "acceptableVersions": [">=8.0.0"],
     "php": [">=8.1"],
     "releaseDate": "2026-04-06",

scripts/AfterInstall.php

@@ -24,6 +24,10 @@ class AfterInstall
 
         $log->info('LegalAssistance: Running AfterInstall...');
 
+        // 0. Ensure custom i18n directories exist for all supported locales
+        $config = $container->getByClass(Config::class);
+        $this->ensureI18nDirectories($config, $log);
+
         // 1. Deploy ai-gateway plugin files
         $this->deployPluginFiles($log);
 
@@ -42,6 +46,27 @@ class AfterInstall
         $log->info('LegalAssistance: AfterInstall completed.');
     }
 
+    private function ensureI18nDirectories(Config $config, Log $log): void
+    {
+        $basePath = 'custom/Espo/Custom/Resources/i18n';
+
+        $language = $config->get('language', 'en_US');
+
+        $locales = array_unique(['en_US', 'fa_IR', 'he_IL', $language]);
+
+        foreach ($locales as $locale) {
+            $dir = $basePath . '/' . $locale;
+
+            if (!is_dir($dir)) {
+                if (mkdir($dir, 0775, true)) {
+                    $log->info("LegalAssistance: Created i18n directory: {$dir}");
+                } else {
+                    $log->warning("LegalAssistance: Failed to create i18n directory: {$dir}");
+                }
+            }
+        }
+    }
+
     private function deployPluginFiles(Log $log): void
     {
         // Source: extension's plugins/ directory (relative to EspoCRM root after install)