Fix fmtTime Invalid Date for timezone-aware timestamps (+00:00)

fmtTime() was appending 'Z' to all timestamps, causing Invalid Date
when the timestamp already had a timezone suffix like +00:00.
Now tries new Date(t) first, falls back to new Date(t+'Z').

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/app/credentials.html

@@ -393,7 +393,7 @@
     }
 
     function esc(s){if(!s)return'';const d=document.createElement('div');d.textContent=s;return d.innerHTML}
-    function fmtTime(t){if(!t)return'--';return new Date(t+'Z').toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
+    function fmtTime(t){if(!t)return'--';var d=new Date(t);if(isNaN(d.getTime())){d=new Date(t+'Z')}return d.toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
 
     loadCreds();
   </script>

web/app/index.html

@@ -203,7 +203,7 @@
     }
 
     // ── Helpers ──
-    function fmtTime(t) { if (!t) return ''; return new Date(t + 'Z').toLocaleString('zh-CN', { hour: '2-digit', minute: '2-digit' }); }
+    function fmtTime(t) { if (!t) return ''; var d = new Date(t); if (isNaN(d.getTime())) { d = new Date(t + 'Z'); } return d.toLocaleString('zh-CN', { hour: '2-digit', minute: '2-digit' }); }
     function esc(s) { if (!s) return ''; const d = document.createElement('div'); d.textContent = s; return d.innerHTML; }
 
     loadDashboard();

web/app/push.html

@@ -267,7 +267,7 @@
     }
 
     function esc(s){if(!s)return'';const d=document.createElement('div');d.textContent=s;return d.innerHTML}
-    function fmtTime(t){if(!t)return'';return new Date(t+'Z').toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
+    function fmtTime(t){if(!t)return'';var d=new Date(t);if(isNaN(d.getTime())){d=new Date(t+'Z')}return d.toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
 
     // ── 方案D: 同步模式切换 → 智能提示 ──
     function onSyncModeChange(){

web/app/retries.html

@@ -76,7 +76,7 @@
     }
 
     function esc(s){if(!s)return'';const d=document.createElement('div');d.textContent=s;return d.innerHTML}
-    function fmtTime(t){if(!t)return'';return new Date(t+'Z').toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
+    function fmtTime(t){if(!t)return'';var d=new Date(t);if(isNaN(d.getTime())){d=new Date(t+'Z')}return d.toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
     loadRetries();
   </script>
 </body></html>

web/app/schedules.html

@@ -275,7 +275,7 @@
     }
 
     function esc(s){if(!s)return'';const d=document.createElement('div');d.textContent=s;return d.innerHTML}
-    function fmtTime(t){if(!t)return'';return new Date(t+'Z').toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
+    function fmtTime(t){if(!t)return'';var d=new Date(t);if(isNaN(d.getTime())){d=new Date(t+'Z')}return d.toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
 
     loadScheds().then(()=>{
       const hid=new URLSearchParams(location.search).get('highlight');

web/app/servers.html

@@ -773,7 +773,7 @@
         toast('success','密钥已重新生成并复制到剪贴板，已立即生效');
       }catch(e){toast('error','生成密钥失败')}
     }
-    function fmtTime(t){if(!t)return'--';return new Date(t+'Z').toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
+    function fmtTime(t){if(!t)return'--';var d=new Date(t);if(isNaN(d.getTime())){d=new Date(t+'Z')}return d.toLocaleString('zh-CN',{month:'short',day:'numeric',hour:'2-digit',minute:'2-digit'})}
 
     // Clear stale autocomplete values on page load (must outlast browser autofill timing)
     requestAnimationFrame(()=>requestAnimationFrame(()=>{document.getElementById('searchInput').value=''}));