fix(footer): keep stale balance on fetch failure; localize "bal" prefix

crates/tui/src/localization.rs

@@ -336,6 +336,7 @@ pub enum MessageId {
     FooterAgentsPlural,
     FooterPressCtrlCAgain,
     FooterWorking,
+    FooterBalancePrefix,
     HelpSectionActions,
     HelpSectionClipboard,
     HelpSectionEditing,
@@ -575,6 +576,7 @@ pub const ALL_MESSAGE_IDS: &[MessageId] = &[
     MessageId::FooterAgentsPlural,
     MessageId::FooterPressCtrlCAgain,
     MessageId::FooterWorking,
+    MessageId::FooterBalancePrefix,
     MessageId::HelpSectionActions,
     MessageId::HelpSectionClipboard,
     MessageId::HelpSectionEditing,
@@ -1047,6 +1049,7 @@ fn english(id: MessageId) -> &'static str {
         MessageId::FooterAgentsPlural => "{count} agents",
         MessageId::FooterPressCtrlCAgain => "Press Ctrl+C again to quit",
         MessageId::FooterWorking => "working",
+        MessageId::FooterBalancePrefix => "bal",
         MessageId::HelpSectionActions => "Actions",
         MessageId::HelpSectionClipboard => "Clipboard",
         MessageId::HelpSectionEditing => "Input editing",
@@ -1241,6 +1244,7 @@ fn traditional_chinese(id: MessageId) -> Option<&'static str> {
         MessageId::TranslationInProgress => "正在翻譯助理輸出...",
         MessageId::TranslationComplete => "翻譯完成",
         MessageId::TranslationFailed => "翻譯失敗",
+        MessageId::FooterBalancePrefix => "餘額",
         other => chinese_simplified(other)?,
     })
 }
@@ -1433,6 +1437,7 @@ fn japanese(id: MessageId) -> Option<&'static str> {
         MessageId::FooterAgentsPlural => "{count} エージェント",
         MessageId::FooterPressCtrlCAgain => "もう一度 Ctrl+C で終了",
         MessageId::FooterWorking => "処理中",
+        MessageId::FooterBalancePrefix => "残高",
         MessageId::HelpSectionActions => "操作",
         MessageId::HelpSectionClipboard => "クリップボード",
         MessageId::HelpSectionEditing => "入力編集",
@@ -1767,6 +1772,7 @@ fn chinese_simplified(id: MessageId) -> Option<&'static str> {
         MessageId::FooterAgentsPlural => "{count} 个子代理",
         MessageId::FooterPressCtrlCAgain => "再次按 Ctrl+C 退出",
         MessageId::FooterWorking => "工作中",
+        MessageId::FooterBalancePrefix => "余额",
         MessageId::HelpSectionActions => "操作",
         MessageId::HelpSectionClipboard => "剪贴板",
         MessageId::HelpSectionEditing => "输入编辑",
@@ -2117,6 +2123,7 @@ fn portuguese_brazil(id: MessageId) -> Option<&'static str> {
         MessageId::FooterAgentsPlural => "{count} sub-agentes",
         MessageId::FooterPressCtrlCAgain => "Pressione Ctrl+C novamente para sair",
         MessageId::FooterWorking => "trabalhando",
+        MessageId::FooterBalancePrefix => "saldo",
         MessageId::HelpSectionActions => "Ações",
         MessageId::HelpSectionClipboard => "Área de transferência",
         MessageId::HelpSectionEditing => "Edição de entrada",
@@ -2513,6 +2520,7 @@ fn spanish_latin_america(id: MessageId) -> Option<&'static str> {
         MessageId::FooterAgentsPlural => "{count} sub-agentes",
         MessageId::FooterPressCtrlCAgain => "Presiona Ctrl+C de nuevo para salir",
         MessageId::FooterWorking => "trabajando",
+        MessageId::FooterBalancePrefix => "saldo",
         MessageId::HelpSectionActions => "Acciones",
         MessageId::HelpSectionClipboard => "Portapapeles",
         MessageId::HelpSectionEditing => "Edición de entrada",

crates/tui/src/tui/footer_ui.rs

@@ -4,6 +4,7 @@ use std::time::Instant;
 use unicode_width::UnicodeWidthStr;
 
 use crate::core::coherence::CoherenceState;
+use crate::localization::MessageId;
 use crate::palette;
 use crate::tools::subagent::SubAgentStatus;
 use crate::tui::app::App;
@@ -618,12 +619,13 @@ pub(crate) fn footer_balance_spans(app: &App) -> Vec<Span<'static>> {
         "CNY" | "cny" => "¥",
         _ => "$",
     };
+    let prefix = app.tr(MessageId::FooterBalancePrefix);
     let label = if total >= 1000.0 {
-        format!("bal {currency}{total:.0}")
+        format!("{prefix} {currency}{total:.0}")
     } else if total >= 10.0 {
-        format!("bal {currency}{total:.1}")
+        format!("{prefix} {currency}{total:.1}")
     } else {
-        format!("bal {currency}{total:.2}")
+        format!("{prefix} {currency}{total:.2}")
     };
     vec![Span::styled(
         label,

crates/tui/src/tui/ui.rs

@@ -1646,9 +1646,10 @@ async fn run_event_loop(
                             let api_key = config.deepseek_api_key().unwrap_or_default();
                             if !api_key.is_empty() {
                                 tokio::spawn(async move {
-                                    let info = fetch_deepseek_balance(&api_key).await;
-                                    if let Ok(mut guard) = cell.lock() {
-                                        *guard = info;
+                                    if let Some(info) = fetch_deepseek_balance(&api_key).await {
+                                        if let Ok(mut guard) = cell.lock() {
+                                            *guard = Some(info);
+                                        }
                                     }
                                 });
                             }