fix(confidence-engine): keep focused investigation in current presentation

components/reasoning-workspace.jsx

@@ -1329,7 +1329,11 @@ export default function ReasoningWorkspace({
 
   // ── RTO.29D — manage initial reflection lifecycle ────────────
   useEffect(() => {
-    const entering = status === "success" && hasGraph && propUnderstanding && !hasSelectedQuestion;
+    // Entry is now based on successful initial reconstruction state ONLY.
+    // selectedQuestion is internal reasoning data — it must NOT gate the
+    // post-Analyse presentation path.  Both null and populated
+    // selectedQuestion enter Run A identically.
+    const entering = status === "success" && hasGraph && propUnderstanding;
     if (entering) {
       setPostAnalyseStatus("success");
       setInitialReflectionActive(true);
@@ -1340,14 +1344,28 @@ export default function ReasoningWorkspace({
     }
   }, [status, result, hasGraph]);
 
-  // Deactivate initial reflection when user does anything meaningful
+  // Deactivate initial reflection when user submits a turn (leaves post-analyse).
+  // DO NOT deactivate on formulationStep or processingStep transitions — those
+  // are part of the focused workflow and must not break Run A's lifecycle.
   useEffect(() => {
     if (!initialReflectionActive) return;
-    if (selectedPresentationItemId || focusedPresentationItemId || investigationHistory.length > 0 || formulationStep !== "idle" || processingStep !== "idle") {
+
+    // If we've already transitioned out of post-analyse mode, bail early.
+    // This prevents the effect from re-triggering on every state change after
+    // an explicit deactivation and avoids spurious double-fires when multiple
+    // dependencies change in the same commit.
+    if (postAnalyseStatus !== "success") return;
+
+    // Genuine exit: a turn has been submitted → history grows past zero.
+    // No other lifecycle state (formulation, processing, focused IDs, etc.)
+    // deactivates Run A during a focused investigation cycle.
+    if (investigationHistory.length > 0) {
       setInitialReflectionActive(false);
       setPostAnalyseStatus(null);
     }
-  }, [selectedPresentationItemId, focusedPresentationItemId, investigationHistory, formulationStep, processingStep]);
+    // All other lifecycle events within the focused workflow are intentionally
+    // ignored here — Run A stays active until an explicit turn is submitted.
+  }, [initialReflectionActive, investigationHistory, postAnalyseStatus]);
 
   return (
     <div className="space-y-6" data-testid="reasoning-workspace">