refactor: 移除 success 字段，简化为 matched 单层判定模型

src/web/components/TargetCard.tsx

@@ -9,7 +9,7 @@ interface TargetCardProps {
 }
 
 export function TargetCard({ target, onClick }: TargetCardProps) {
-  const isUp = target.latestCheck?.success && target.latestCheck?.matched;
+  const isUp = target.latestCheck?.matched;
 
   return (
     <div className="target-card" onClick={onClick} role="button" tabIndex={0}>

src/web/components/TargetDetailModal.tsx

@@ -37,7 +37,7 @@ export function TargetDetailModal({
   onPageChange,
   onClose,
 }: TargetDetailModalProps) {
-  const isUp = target.latestCheck?.success && target.latestCheck?.matched;
+  const isUp = target.latestCheck?.matched;
   const totalChecks = trendData.reduce((sum, p) => sum + p.totalChecks, 0);
   const upChecks = trendData.reduce((sum, p) => sum + Math.round((p.availability / 100) * p.totalChecks), 0);
 
@@ -89,8 +89,8 @@ export function TargetDetailModal({
                     {historyData.items.map((item, idx) => (
                       <tr key={idx}>
                         <td>
-                          <span className={`ht-status ${item.success && item.matched ? "text-up" : "text-down"}`}>
-                            {item.success && item.matched ? "UP" : "DOWN"}
+                          <span className={`ht-status ${item.matched ? "text-up" : "text-down"}`}>
+                            {item.matched ? "UP" : "DOWN"}
                           </span>
                         </td>
                         <td className="ht-time">{new Date(item.timestamp).toLocaleString("zh-CN")}</td>

src/web/components/TargetGroup.tsx

@@ -9,7 +9,7 @@ interface TargetGroupProps {
 }
 
 export function TargetGroup({ name, targets, onTargetClick }: TargetGroupProps) {
-  const up = targets.filter((t) => t.latestCheck?.success && t.latestCheck?.matched).length;
+  const up = targets.filter((t) => t.latestCheck?.matched).length;
   const down = targets.length - up;
 
   return (