fix: 修复 msg_text_color 类型在购买分发、校验和后台管理中的遗漏

- ShopService: 购买分发 match 新增 msg_text_color → DecorationService
- ShopController: 购买公告 match 新增 msg_text_color
- Admin/ShopItemController: 后台 validation type 校验新增 msg_text_color
- admin/shop/index.blade: 类型标签映射和下拉选项新增文字颜色

app/Http/Controllers/Admin/ShopItemController.php

@@ -101,7 +101,7 @@ class ShopItemController extends Controller
             'icon' => 'required|string|max:20',
             'description' => 'nullable|string|max:500',
             'price' => 'required|integer|min:0',
-            'type' => 'required|in:instant,duration,one_time,ring,auto_fishing,sign_repair,msg_bubble,msg_name_color,avatar_frame',
+            'type' => 'required|in:instant,duration,one_time,ring,auto_fishing,sign_repair,msg_bubble,msg_name_color,msg_text_color,avatar_frame',
             'duration_days' => 'nullable|integer|min:0',
             'duration_minutes' => 'nullable|integer|min:0',
             'intimacy_bonus' => 'nullable|integer|min:0',

app/Http/Controllers/ShopController.php

@@ -225,7 +225,7 @@ class ShopController extends Controller
                     'ring' => "💍 【{$safeBuyer}】在商店购买了一枚「{$safeItemName}」，不知道打算送给谁呢？",
                     'auto_fishing' => "🎣 【{$safeBuyer}】购买了「{$safeItemName}」，开启了 {$fishDuration} 的自动钓鱼模式！",
                     ShopItem::TYPE_SIGN_REPAIR => "🗓️ 【{$safeBuyer}】购买了 {$quantity} 张「{$safeItemName}」，准备把漏掉的签到补回来！",
-                    'msg_bubble', 'msg_name_color', 'avatar_frame' => "✨ 【{$safeBuyer}】购买了个人装扮「{$safeItemName}」，颜值 +1！",
+                    'msg_bubble', 'msg_name_color', 'msg_text_color', 'avatar_frame' => "✨ 【{$safeBuyer}】购买了个人装扮「{$safeItemName}」，颜值 +1！",
                     default => "🛒 【{$safeBuyer}】购买了「{$safeItemName}」。",
                 };
 

app/Services/ShopService.php

@@ -51,6 +51,7 @@ class ShopService
             // ── 个人装扮购买（委托给 DecorationService）───────────────
             'msg_bubble' => $this->decorationService->purchase($user, $item),
             'msg_name_color' => $this->decorationService->purchase($user, $item),
+            'msg_text_color' => $this->decorationService->purchase($user, $item),
             'avatar_frame' => $this->decorationService->purchase($user, $item),
             default => ['ok' => false, 'message' => '未知商品类型'],
         };