0.2.6：sendFile 暫時性錯誤自動重試、Claude 模型增加 Opus 4.8/4.6/Haiku 4.5、列表沙盒欄精簡

- telegram.js：sendFile 遇到 Bad Gateway/Gateway Timeout/429 等暫時性錯誤時自動重試最多 3 次（間隔遞增 4s/8s/12s）
- server.js：Claude 模型清單增加 Opus 4.8、Opus 4.6、Haiku 4.5
- index.html：沙盒欄第二行只顯示模型/effort，其餘資訊（會話模式、連網、可寫成員、規範）改為滑鼠停留氣泡顯示

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/web/public/index.html

@@ -110,6 +110,7 @@
   .notice-steps b { color: #e2e8f0; background: rgba(88,101,242,0.18); padding: 1px 7px;
                     border-radius: 5px; font-weight: 600; }
   .workdir { cursor: help; border-bottom: 1px dotted #475569; }
+  .sandbox-cell { cursor: help; }
   .tag { display: inline-block; padding: 1px 7px; border-radius: 5px; font-size: 10px; font-weight: 700;
          margin-left: 6px; vertical-align: middle; letter-spacing: .3px; }
   .tag-codex  { background: rgba(16,163,127,0.18); color: #34d399; }
@@ -486,10 +487,13 @@ function renderBots(bots) {
         (b.error ? '<br><span style="font-size:11px;color:#ed4245">' + esc(b.error) + '</span>' : '') + '</td>' +
       '<td>' + statusBadge(b.status) + '</td>' +
       '<td><span class="mono workdir" title="' + esc(b.workDir) + '">' + esc(folderName(b.workDir)) + '</span></td>' +
-      '<td class="mono">' + esc(b.sandbox || '-') +
-        ((b.model || b.reasoningEffort || b.sessionMode !== 'per-chat' || b.networkAccess)
-          ? '<br><span class="script-name">' + esc([b.model, b.reasoningEffort, b.sessionMode === 'shared' ? '共用會話' : b.sessionMode === 'stateless' ? '無記憶' : '', b.networkAccess ? '可連網' : '', (b.writeUsers && b.writeUsers.length) ? '限 @' + b.writeUsers.join(' @') + ' 可寫' : '', b.promptRules ? '有回覆規範' : ''].filter(Boolean).join(' / ')) + '</span>'
-          : '') + '</td>' +
+      (function() {
+          var line2 = [b.model, b.reasoningEffort].filter(Boolean).join(' / ');
+          var extra = [b.sessionMode === 'shared' ? '共用會話' : b.sessionMode === 'stateless' ? '無記憶' : '', b.networkAccess ? '可連網' : '', (b.writeUsers && b.writeUsers.length) ? '限 @' + b.writeUsers.join(' @') + ' 可寫' : '', b.promptRules ? '有回覆規範' : ''].filter(Boolean).join(' / ');
+          var tip = [b.sandbox, line2, extra].filter(Boolean).join('\n');
+          return '<td class="mono sandbox-cell" title="' + esc(tip) + '">' + esc(b.sandbox || '-') +
+            (line2 ? '<br><span class="script-name">' + esc(line2) + '</span>' : '') + '</td>';
+        })() +
       '<td class="mono">' + esc(b.tokenMasked || '-') + '</td>' +
       '<td>' + fmtBytes(b.memory) + '</td>' +
       '<td>' + (b.restarts ?? '-') + '</td>' +