feat(capture): support multiline thoughts and tasks with Shift+Enter in quick dump bar

frontend/src/features/triage/TriageDeck.tsx

@@ -400,7 +400,7 @@ export const TriageDeck: React.FC<TriageDeckProps> = ({
                   </div>
                 </div>
               ) : (
-                <p className="text-base sm:text-xl font-medium text-main leading-relaxed break-words">
+                <p className="text-base sm:text-xl font-medium text-main leading-relaxed break-words whitespace-pre-wrap">
                   {activeCard.content}
                 </p>
               )}