fix(admin): translate credits_added notification type

Display credits_added as 积分增加 with a success badge across message
filters, list rows and details. Extend rendering regression coverage.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Messages/MessageTypes.php

@@ -34,6 +34,7 @@ final class MessageTypes {
             'ban_appeal'       => __('禁封申诉', 'aksrt'),
             'report'           => __('举报', 'aksrt'),
             'withdraw'         => __('提现', 'aksrt'),
+            'credits_added'    => __('积分增加', 'aksrt'),
             'ticket_new'       => __('新工单', 'aksrt'),
             'ticket_reply'     => __('工单回复', 'aksrt'),
             'ticket_urge'      => __('工单催单', 'aksrt'),
@@ -57,7 +58,7 @@ final class MessageTypes {
         if (in_array($type, ['report', 'ban_appeal', 'asset_balance_decrease', 'asset_points_decrease'], true)) {
             return 'danger';
         }
-        if (in_array($type, ['withdraw', 'level_up', 'medal', 'auth_apply_reply', 'download_ready', 'asset_balance_increase', 'asset_points_increase'], true)) {
+        if (in_array($type, ['withdraw', 'level_up', 'medal', 'auth_apply_reply', 'download_ready', 'credits_added', 'asset_balance_increase', 'asset_points_increase'], true)) {
             return 'success';
         }
         if (in_array($type, ['system', 'notice'], true)) {