fix: Rock Token 超时按满 2/3 天判定并统一显示口径

frontend/src/pages/platformRock/tokenColumns.tsx

@@ -29,9 +29,15 @@ function elapsedDaysSince(value?: string): number | null {
   return diff > 0 ? diff / MS_PER_DAY : 0
 }
 
-// 使用中超时起点：using_at。
-function usingElapsedDays(usingAt?: string): number | null {
-  return elapsedDaysSince(usingAt)
+// 展示用天数：向下取整到 1 位，避免 1.99 天被四舍五入成 2.0 天而误以为已超时。
+function floorDays(days: number): number {
+  return Math.floor(days * 10) / 10
+}
+
+// 优先使用后端返回的服务端天数，旧接口没有该字段时回退到本地计算。
+function serverElapsedDays(serverDays: number | undefined, at?: string): number | null {
+  if (typeof serverDays === 'number') return serverDays
+  return elapsedDaysSince(at)
 }
 
 // Token 主信息：编号/兑换码 与 包ID/提取码 上下两行展示，
@@ -155,21 +161,24 @@ export function buildTokenColumns({
               </Tag>
             )
           case 'using': {
-            const days = usingElapsedDays(record.using_at)
-            if (days !== null && days >= usingDangerDays) {
+            const days = serverElapsedDays(record.using_days, record.using_at)
+            const usingOverdue = record.using_overdue ?? (days !== null && days >= usingWarnDays)
+            const usingDanger = record.using_danger ?? (days !== null && days >= usingDangerDays)
+            const displayDays = days === null ? 0 : floorDays(days)
+            if (usingDanger) {
               return (
                 <Tag
                   color="error"
                   style={{ fontWeight: 600, padding: '2px 8px', border: '1px solid #ff4d4f' }}
                 >
-                  ⚠️ 使用中超时 {days.toFixed(1)} 天
+                  ⚠️ 使用中超时 {displayDays.toFixed(1)} 天
                 </Tag>
               )
             }
-            if (days !== null && days >= usingWarnDays) {
+            if (usingOverdue) {
               return (
                 <Tag color="warning" style={{ fontWeight: 600, padding: '2px 8px' }}>
-                  ● 扫码使用中 · {days.toFixed(1)} 天
+                  ● 扫码使用中 · {displayDays.toFixed(1)} 天
                 </Tag>
               )
             }
@@ -180,14 +189,16 @@ export function buildTokenColumns({
             )
           }
           case 'bound': {
-            const boundDays = elapsedDaysSince(record.bound_at)
-            if (boundDays !== null && boundDays >= boundWarnDays) {
+            const boundDays = serverElapsedDays(record.bound_days, record.bound_at)
+            const boundOverdue = record.bound_overdue ?? (boundDays !== null && boundDays >= boundWarnDays)
+            if (boundOverdue) {
+              const displayDays = boundDays === null ? 0 : floorDays(boundDays)
               return (
                 <Tag
                   color="volcano"
                   style={{ fontWeight: 600, padding: '2px 8px', border: '1px solid #ff7a45' }}
                 >
-                  ⏱ 绑定超时 {boundDays.toFixed(1)} 天
+                  ⏱ 绑定超时 {displayDays.toFixed(1)} 天
                 </Tag>
               )
             }
@@ -233,14 +244,17 @@ export function buildTokenColumns({
       title: '流转时间',
       width: 180,
       render: (_, record) => {
-        const usingDays = record.status === 'using' ? usingElapsedDays(record.using_at) : null
-        const boundDays = record.status === 'bound' ? elapsedDaysSince(record.bound_at) : null
+        const usingDays = record.status === 'using' ? serverElapsedDays(record.using_days, record.using_at) : null
+        const boundDays = record.status === 'bound' ? serverElapsedDays(record.bound_days, record.bound_at) : null
+        const usingOverdue = record.using_overdue ?? (usingDays !== null && usingDays >= usingWarnDays)
+        const usingDanger = record.using_danger ?? (usingDays !== null && usingDays >= usingDangerDays)
+        const boundOverdue = record.bound_overdue ?? (boundDays !== null && boundDays >= boundWarnDays)
         const usingColor =
           usingDays === null
             ? '#64748b'
-            : usingDays >= usingDangerDays
+            : usingDanger
               ? '#dc2626'
-              : usingDays >= usingWarnDays
+              : usingOverdue
                 ? '#d97706'
                 : '#0891b2'
         return (
@@ -253,7 +267,7 @@ export function buildTokenColumns({
               <div style={{ fontSize: 11, color: usingColor }}>
                 <span>⏳ 使用中: </span>
                 {formatDateTime(record.using_at)}
-                {usingDays !== null ? `（${usingDays.toFixed(1)} 天）` : ''}
+                {usingDays !== null ? `（${floorDays(usingDays).toFixed(1)} 天）` : ''}
               </div>
             )}
             {record.mismatch_at && (
@@ -269,10 +283,10 @@ export function buildTokenColumns({
               </div>
             )}
             {!record.redeemed_at && record.bound_at && (
-              <div style={{ fontSize: 11, color: boundDays !== null && boundDays >= boundWarnDays ? '#ea580c' : '#0284c7' }}>
+              <div style={{ fontSize: 11, color: boundOverdue ? '#ea580c' : '#0284c7' }}>
                 <span>🔗 绑定: </span>
                 {formatDateTime(record.bound_at)}
-                {boundDays !== null ? `（${boundDays.toFixed(1)} 天）` : ''}
+                {boundDays !== null ? `（${floorDays(boundDays).toFixed(1)} 天）` : ''}
               </div>
             )}
             {!record.bound_at && !record.mismatch_at && record.claimed_at && (