[FIX] 修復商品多語系儲存與讀取錯誤、新增自動語系名稱顯示、補強商品規格欄位及密碼顯示切換功能

app/Http/Controllers/Admin/ProductController.php

@@ -86,7 +86,14 @@ class ProductController extends Controller
     public function edit($id)
     {
         $user = auth()->user();
-        $product = Product::with(['translations', 'company'])->findOrFail($id);
+        // 繞過 TenantScoped 載入翻譯，確保系統管理員能看到租戶公司的翻譯資料
+        $product = Product::with(['company'])->findOrFail($id);
+        $product->setRelation('translations', 
+            Translation::withoutGlobalScopes()
+                ->where('group', 'product')
+                ->where('key', $product->name_dictionary_key)
+                ->get()
+        );
         $categories = ProductCategory::all();
         $companies = $user->isSystemAdmin() ? Company::all() : collect();
         
@@ -131,10 +138,10 @@ class ProductController extends Controller
                 ? $request->company_id 
                 : auth()->user()->company_id;
 
-            // Store translations
+            // 儲存多語系翻譯（繞過 TenantScoped，避免系統管理員操作租戶資料時被過濾）
             foreach ($request->names as $locale => $name) {
                 if (empty($name)) continue;
-                Translation::create([
+                Translation::withoutGlobalScopes()->create([
                     'group' => 'product',
                     'key' => $dictKey,
                     'locale' => $locale,
@@ -219,10 +226,10 @@ class ProductController extends Controller
             $dictKey = $product->name_dictionary_key ?: \Illuminate\Support\Str::uuid()->toString();
             $company_id = $product->company_id;
 
-            // Update or Create translations
+            // 更新或建立多語系翻譯（繞過 TenantScoped，避免系統管理員操作租戶資料時被過濾）
             foreach ($request->names as $locale => $name) {
                 if (empty($name)) {
-                    Translation::where([
+                    Translation::withoutGlobalScopes()->where([
                         'group' => 'product',
                         'key' => $dictKey,
                         'locale' => $locale
@@ -230,7 +237,7 @@ class ProductController extends Controller
                     continue;
                 }
 
-                Translation::updateOrCreate(
+                Translation::withoutGlobalScopes()->updateOrCreate(
                     [
                         'group' => 'product',
                         'key' => $dictKey,
@@ -246,6 +253,7 @@ class ProductController extends Controller
             $data = [
                 'category_id' => $request->category_id,
                 'name' => $request->names['zh_TW'] ?? ($product->name ?? 'Untitled'),
+                'name_dictionary_key' => $dictKey,
                 'barcode' => $request->barcode,
                 'spec' => $request->spec,
                 'manufacturer' => $request->manufacturer,
@@ -316,9 +324,9 @@ class ProductController extends Controller
         try {
             $product = Product::findOrFail($id);
             
-            // Delete translations associated with this product
+            // 刪除與此商品關聯的翻譯資料（繞過 TenantScoped）
             if ($product->name_dictionary_key) {
-                Translation::where('key', $product->name_dictionary_key)->delete();
+                Translation::withoutGlobalScopes()->where('key', $product->name_dictionary_key)->delete();
             }
 
             // Delete image

app/Models/Product/Product.php

@@ -48,6 +48,33 @@ class Product extends Model
         return $this->belongsTo(ProductCategory::class, 'category_id');
     }
 
+    /**
+     * 自動附加到 JSON/陣列輸出的屬性（供 Alpine.js 等前端使用）
+     */
+    protected $appends = ['localized_name'];
+
+    /**
+     * 取得當前語系的商品名稱。
+     * 回退順序：當前語系 → zh_TW → name 欄位
+     */
+    public function getLocalizedNameAttribute(): string
+    {
+        if ($this->relationLoaded('translations') && $this->translations->isNotEmpty()) {
+            $locale = app()->getLocale();
+            // 先找當前語系
+            $translation = $this->translations->firstWhere('locale', $locale);
+            if ($translation) {
+                return $translation->value;
+            }
+            // 回退至 zh_TW
+            $fallback = $this->translations->firstWhere('locale', 'zh_TW');
+            if ($fallback) {
+                return $fallback->value;
+            }
+        }
+        return $this->name ?? '';
+    }
+
     /**
      * Get the translations for the product name.
      */