fix(tests): restore green contract suite

Drop the legacy credits_added message label per the hard-cut rule, switch
three remaining Font Awesome 4 icons to FA5 solid, and align two widget
contracts with the badge rule grouping and renderer list from fc04bf65.

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

src/Messages/MessageTypes.php

@@ -34,7 +34,6 @@ 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'),
@@ -58,7 +57,7 @@ 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', 'credits_added', 'asset_balance_increase', 'asset_points_increase'], true)) {
+        if (in_array($type, ['withdraw', 'level_up', 'medal', 'auth_apply_reply', 'download_ready', 'asset_balance_increase', 'asset_points_increase'], true)) {
             return 'success';
         }
         if (in_array($type, ['system', 'notice'], true)) {

src/WidgetSystem/WidgetDefinition.php

@@ -103,7 +103,7 @@ final class WidgetDefinition {
 			'sidebar' => __('此模块只适合添加到侧边栏', 'aksrt'),
 		];
 		if (isset($reminders[$this->size])) {
-			$header[] = ['type' => 'submessage', 'style' => 'warning', 'content' => '<i class="fa fa-fw fa-info-circle"></i>' . esc_html($reminders[$this->size])];
+			$header[] = ['type' => 'submessage', 'style' => 'warning', 'content' => '<i class="fas fa-fw fa-info-circle"></i>' . esc_html($reminders[$this->size])];
 		}
 		$common = CommonFields::for_definition($this->common);
 		if ($common && $this->fields) {