fix: resolve Windows gateway reconnect race condition and translate comments (#787)

src/stores/chat/session-actions.ts

@@ -154,9 +154,10 @@ export function createSessionActions(
 
     switchSession: (key: string) => {
       const { currentSessionKey, messages, sessionLastActivity, sessionLabels } = get();
-      // 仅将没有任何历史记录且无活动时间的会话视为空会话。
-      // 单纯依赖 messages.length 是不可靠的，因为 switchSession 会在真正调用 loadHistory 前抢先清空当前 messages，
-      // 造成竞争条件，使得带有真实历史的会话被判定为空并从侧边栏移除。
+      // Only treat sessions with no history records and no activity timestamp as empty.
+      // Relying solely on messages.length is unreliable because switchSession clears
+      // the current messages before loadHistory runs, creating a race condition that
+      // could cause sessions with real history to be incorrectly removed from the sidebar.
       const leavingEmpty = !currentSessionKey.endsWith(':main')
         && messages.length === 0
         && !sessionLastActivity[currentSessionKey]
@@ -253,7 +254,7 @@ export function createSessionActions(
       // sessions.reset archives (renames) the session JSONL file, making old
       // conversation history inaccessible when the user switches back to it.
       const { currentSessionKey, messages, sessionLastActivity, sessionLabels } = get();
-      // 仅将没有任何历史记录且无活动时间的会话视为空会话
+      // Only treat sessions with no history records and no activity timestamp as empty
       const leavingEmpty = !currentSessionKey.endsWith(':main')
         && messages.length === 0
         && !sessionLastActivity[currentSessionKey]
@@ -294,8 +295,8 @@ export function createSessionActions(
       // This mirrors the "leavingEmpty" logic in switchSession so that creating
       // a new session and immediately navigating away doesn't leave a ghost entry
       // in the sidebar.
-      // 同样需要综合检查 sessionLastActivity 和 sessionLabels，
-      // 防止因为 switchSession 抢先清空 messages 而误判有历史的会话为空。
+      // Also check sessionLastActivity and sessionLabels comprehensively to prevent
+      // falsely treating sessions with history as empty due to switchSession clearing messages early.
       const isEmptyNonMain = !currentSessionKey.endsWith(':main')
         && messages.length === 0
         && !sessionLastActivity[currentSessionKey]