chore(lint): clean up frontend and Rust lint issues

src/components/chat/conversation-context-bar.tsx

@@ -73,10 +73,7 @@ export const ConversationContextBar = memo(function ConversationContextBar({
             setTabFolder(ownTab.id, target.id, target.path)
             toast.success(t("toasts.folderChanged", { name: target.name }))
           } catch (err) {
-            console.error(
-              "[ConversationContextBar] switch folder failed:",
-              err
-            )
+            console.error("[ConversationContextBar] switch folder failed:", err)
             toast.error(t("toasts.openFolderFailed"))
           }
         }}

src/components/layout/sidebar.tsx

@@ -96,9 +96,7 @@ export function Sidebar() {
             size="icon"
             className="h-6 w-6 shrink-0 text-muted-foreground"
             onClick={handleToggleExpandAll}
-            title={
-              allExpanded ? t("collapseAllGroups") : t("expandAllGroups")
-            }
+            title={allExpanded ? t("collapseAllGroups") : t("expandAllGroups")}
           >
             {allExpanded ? (
               <ChevronsDownUp className="h-3.5 w-3.5" />