fix(confidence-engine): preserve follow-up progression ownership

components/reasoning-workspace.jsx

@@ -149,6 +149,20 @@ function FocusedQuestionBody({
   // Without this guard, selecting a follow-up question would erase "Previously answered" + "Your response".
   const hasCompletedContext = processingStep !== "active" && Boolean(focused?.result);
 
+  // ── Source of completed context: latest canonical Contribution when follow-up is active ──
+  // After setFollowUpQuestion() mutates focused.question/answer, derive from the
+  // latest completed Contribution so the narrative remains correct.
+  const hasActiveFollowUp = hasCompletedContext && !hasAnswer
+    && (focused.result?.possibleFollowUpQuestions || []).some((q) => q === focused?.question);
+  const latestCompletedContrib = [...(focusedContributions || [])].reverse().find((c) => c?.question && c?.answer);
+
+  const displayedCompletedQuestion = hasActiveFollowUp
+    ? (latestCompletedContrib?.question ?? focused?.question)
+    : focused?.question;
+  const displayedCompletedAnswer = hasActiveFollowUp
+    ? (latestCompletedContrib?.answer ?? focused?.answer ?? "")
+    : focused?.answer;
+
   // ── Local correction state (FQB-owned, not propagated upward) ─
   const [editingFindingId, setEditingFindingId] = useState(null);
   const [draft, setDraft] = useState("");
@@ -180,15 +194,15 @@ function FocusedQuestionBody({
           <div className="space-y-4 rounded-lg border border-gray-200 bg-white p-5">
             {(hasAnswer || hasCompletedContext) && focused?.question?.trim() ? (
               <div className="space-y-3">
-                {/* Previously answered question */}
+                {/* Previously answered question — sourced from contribution when follow-up is active */}
                 <div>
                   <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">Previously answered</h3>
-                  <p className="text-base font-medium leading-relaxed text-gray-900">{focused.question}</p>
+                  <p className="text-base font-medium leading-relaxed text-gray-900">{displayedCompletedQuestion}</p>
                 </div>
                 {/* User's verbatim response — distinct provenance from Engine-derived content */}
                 <div>
                   <h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">Your response</h3>
-                  <p className="text-sm leading-relaxed text-gray-800">{focused.answer}</p>
+                  <p className="text-sm leading-relaxed text-gray-800">{displayedCompletedAnswer}</p>
                 </div>
               </div>
             ) : focused?.question?.trim() ? (
@@ -200,7 +214,7 @@ function FocusedQuestionBody({
               <p className="text-sm text-blue-600/70">{formulateMsg}</p>
             ) : null}
 
-            {focused?.question?.trim() && processingStep !== "active" && focused.status === "formulated" && !hasAnswer && (
+            {focused?.question?.trim() && processingStep !== "active" && focused.status === "formulated" && !hasAnswer && !hasActiveFollowUp && (
               <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?" />
@@ -212,9 +226,8 @@ function FocusedQuestionBody({
 
             {focused?.result && (
               <>
-                {/* Prior accumulated learning (prior turns, current turn excluded — shown above) */}
-                <PriorContributionsSummary nodeId={nodeId} contributions={focusedContributions || []} findings={findings} />
-
+                {/* Prior accumulated learning removed from left pane — SecondaryPreviousLearning on the right owns historical Previous Learning exclusively */}
+                {/* PriorContributionsSummary was causing duplication in the two-column focused workspace */}
                 <div><h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">What this tells us</h3><ul className="list-disc pl-5 space-y-2">{(currentFindings?.length ? currentFindings : (focused.result.observations || [])).map((item, i) => {
                   const isFinding = typeof item === "object" && item !== null && "id" in item;
                   const disposition = isFinding ? item.userDisposition : null;
@@ -284,6 +297,30 @@ function FocusedQuestionBody({
                   ) : (
                     <p className="text-xs text-gray-400">None yet</p>
                   )}
+
+                {/* In-place answer textarea for the active follow-up — renders only when a candidate is selected */}
+                {hasActiveFollowUp ? (
+                  <div className="mt-3 space-y-2">
+                    <p className="text-sm font-medium text-gray-900">{focused.question}</p>
+                    <textarea
+                      id={`rw-answer-fu-${nodeId}`}
+                      value={focusedAnswer}
+                      onChange={(e) => setFocusedAnswer(e.target.value)}
+                      rows={4}
+                      data-testid="follow-up-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?"
+                    />
+                    <button
+                      onClick={(e) => { e.stopPropagation(); handleDeconstructSubmit(nodeId, focusedAnswer); }}
+                      disabled={!focusedAnswer.trim() || processingStep === "active"}
+                      style={{ cursor: !focusedAnswer.trim() || processingStep === "active" ? "not-allowed" : "pointer" }}
+                      className="rounded-lg border border-green-600 bg-white px-4 py-2 text-sm font-medium text-green-700 hover:bg-green-50 transition disabled:opacity-50"
+                    >
+                      Submit response
+                    </button>
+                  </div>
+                ) : null}
                 </div>
                 <div><h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">Assumptions</h3><ul className="list-disc pl-5 space-y-1">{(focused.result.assumptions || []).map((a, i) => (<li key={i} className="text-sm leading-relaxed text-gray-700">{a}</li>))}</ul></div>
                 <div><h3 className="mb-1 text-[11px] font-semibold tracking-widest uppercase text-gray-500">Connections</h3><ul className="list-disc pl-5 space-y-1">{(focused.result.relationships || []).map((r, i) => (<li key={i} className="text-sm leading-relaxed text-gray-700">{r.from} → {r.to} ({r.type})</li>))}</ul></div>
@@ -1074,7 +1111,7 @@ function FocusedInvestigationWorkspace({
             setFocusedPresentationItemId={setFocusedPresentationItemId}
             setDoneForNowIds={setDoneForNowIds}
             setFollowUpQuestion={setFollowUpQuestion}
-            focusedContributions={hasResult ? [] : (focusedContributions || [])}
+            focusedContributions={focusedContributions || []}
             currentFindings={currentFindings || []}
             onUpdateFindingDisposition={onUpdateFindingDisposition}
             onUpdateFindingProposition={onUpdateFindingProposition}
@@ -1208,6 +1245,9 @@ function OpenQuestionsPanel({
   );
 }
 
+// Export for testability of in-place follow-up ownership repair
+export { FocusedQuestionBody, SecondaryPreviousLearning };
+
 export default function ReasoningWorkspace({
   scenario,
   status,