fix(confidence-engine): distinguish completed focused result

components/reasoning-workspace.jsx

@@ -144,6 +144,7 @@ function FocusedQuestionBody({
 }) {
   const hasContent = focused?.question?.trim() || formulationStep === "active" || processingStep === "active" || focused?.error;
   const hasResult = Boolean(focused?.result);
+  const hasAnswer = Boolean(focused?.answer);
 
   // ── Local correction state (FQB-owned, not propagated upward) ─
   const [editingFindingId, setEditingFindingId] = useState(null);
@@ -183,7 +184,7 @@ function FocusedQuestionBody({
               <p className="text-sm text-blue-600/70">{formulateMsg}</p>
             ) : null}
 
-            {focused?.question?.trim() && processingStep !== "active" && focused.status === "formulated" && (
+            {focused?.question?.trim() && processingStep !== "active" && focused.status === "formulated" && !hasAnswer && (
               <div>
                 <label htmlFor={`rw-answer-${nodeId}`} className="mb-2 block text-sm font-medium text-gray-700">Your response</label>
                 <textarea id={`rw-answer-${nodeId}`} value={focusedAnswer} onChange={(e) => setFocusedAnswer(e.target.value)} rows={4} data-testid="response-textarea" className="w-full rounded-lg border border-gray-300 px-4 py-3 text-sm focus:border-gray-500 focus:outline-none focus:ring-2 focus:ring-gray-400 disabled:cursor-not-allowed disabled:opacity-60" placeholder="What do you know about this?" />