fix: remove duplication of original situation

components/reasoning-workspace.jsx

@@ -268,17 +268,19 @@ function InvestigationHistory({ turns }) {
 
 // ── Original situation (always-visible reference card) ────────
 function OriginalSituation({ scenario, centralStatement }) {
-  if (!scenario) return null;
+  const text = scenario || centralStatement;
+
+  if (!text) return null;
 
   return (
     <div className="rounded-lg border border-gray-200 bg-gray-50/70 px-5 py-4">
       <h2 className="mb-2 text-xs font-bold uppercase tracking-widest text-gray-400">
         Original situation
       </h2>
-      {centralStatement && (
-        <p className="mb-1 text-xs text-gray-400">{centralStatement}</p>
-      )}
-      <p className="whitespace-pre-wrap text-sm leading-relaxed text-gray-700">{scenario}</p>
+
+      <p className="whitespace-pre-wrap text-sm leading-relaxed text-gray-700">
+        {text}
+      </p>
     </div>
   );
 }