Refine issue workflow surfaces and live updates

ui/src/components/NewIssueDialog.tsx

@@ -946,9 +946,9 @@ export function NewIssueDialog() {
         showCloseButton={false}
         aria-describedby={undefined}
         className={cn(
-          "p-0 gap-0 flex flex-col max-h-[calc(100dvh-2rem)]",
+          "flex h-[calc(100dvh-2rem)] max-h-[calc(100dvh-2rem)] flex-col gap-0 overflow-hidden p-0 sm:h-auto",
           expanded
-            ? "sm:max-w-2xl h-[calc(100dvh-2rem)]"
+            ? "sm:max-w-2xl sm:h-[calc(100dvh-2rem)]"
             : "sm:max-w-lg"
         )}
         onKeyDown={handleKeyDown}
@@ -1452,7 +1452,7 @@ export function NewIssueDialog() {
 
         {/* Description */}
         <div
-          className={cn("px-4 pb-2 overflow-y-auto min-h-0 border-t border-border/60 pt-3", expanded ? "flex-1" : "")}
+          className="min-h-0 flex-1 overflow-y-auto border-t border-border/60 px-4 pb-2 pt-3"
           onDragEnter={handleFileDragEnter}
           onDragOver={handleFileDragOver}
           onDragLeave={handleFileDragLeave}