修复: 队列发送失败回填不丢消息+池权重revert+lang解析DRY+注释变量名修正

src/i18n/en/ai.ts

@@ -36,6 +36,7 @@ export default {
     forceSendBtn: 'Force Send',
     queueTimedOut: 'Queue timed out',
     approvalNotDelivered: 'Approval operation failed to reach the backend: {error}',
+    queuedSendFailed: 'Failed to send queued message: {error}',
     approvalTimeout: '⚰ Approval timed out, automatically rejected: {toolName}',
     // AE-2025-07: Agentic loop progress bar copy
     // Note: max round / completed tool count are not surfaced by backend this round;

src/i18n/zh-CN/ai.ts

@@ -36,6 +36,7 @@ export default {
     forceSendBtn: '强制发送',
     queueTimedOut: '排队超时',
     approvalNotDelivered: '审批操作未送达后端：{error}',
+    queuedSendFailed: '队列消息发送失败：{error}',
     approvalTimeout: '⚰ 审批超时，已自动拒绝：{toolName}',
     // AE-2025-07: Agentic 循环进度条文案
     // 注:max 轮次/已完成工具数本轮后端暂不透传,模板条件渲染省略;后端补全后新增 *WithMax key