Make question text clickable to open edit sheet

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/frontend/src/components/questionbank/QuestionBankView.tsx

@@ -641,7 +641,10 @@ export default function QuestionBankView() {
 										</div>
 
 										{/* Question text */}
-										<div className="min-w-0 flex-[2] truncate text-sm">
+										<div
+											className="min-w-0 flex-[2] cursor-pointer truncate text-sm hover:text-primary"
+											onClick={() => handleEdit(q)}
+										>
 											{q.question_content}
 										</div>