diff --git a/qa/full_dogfood.mjs b/qa/full_dogfood.mjs
index 864aa99..334f3c5 100644
--- a/qa/full_dogfood.mjs
+++ b/qa/full_dogfood.mjs
@@ -236,9 +236,16 @@ record("llm_unconfigured_falls_back_gracefully", unmatchedReply.length > 0 && !/
 //     other personas have written since last open.
 await p.locator(".tab", { hasText: /^\s*Chat\s*$/ }).click();
 await p.waitForTimeout(2500);
+await p.waitForTimeout(2000);
+const threadRowCount = await p.locator(".chat-thread-row").count();
 const previewRows = await p.locator(".chat-thread-meta").count();
 const timeBadges = await p.locator(".chat-thread-time").count();
-record("chat_sidebar_shows_previews_and_timestamps", previewRows >= 0 && timeBadges >= 0, `previews=${previewRows}, times=${timeBadges}`);
+const sidebarHonest = threadRowCount === 0 || (previewRows === threadRowCount && timeBadges >= 1);
+record(
+  "chat_sidebar_shows_previews_and_timestamps",
+  sidebarHonest,
+  `threads=${threadRowCount}, previews=${previewRows}, times=${timeBadges}`
+);
 
 // Summarise
 const fails = results.filter((r) => !r.ok);
diff --git a/src/scenes/Agent.tsx b/src/scenes/Agent.tsx
index e72596a..d3ef3af 100644
--- a/src/scenes/Agent.tsx
+++ b/src/scenes/Agent.tsx
@@ -110,7 +110,7 @@ export default function Agent() {
                 submit(draft);
               }
             }}
-            placeholder="Ask Pi to navigate, start a process, or message a teammate. Enter to send."
+            placeholder="Ask the assistant to navigate, start a process, or message a teammate. Enter to send."
             rows={2}
             disabled={working}
           />
diff --git a/src/scenes/Wizard.tsx b/src/scenes/Wizard.tsx
index 72ab3cb..cc29ca0 100644
--- a/src/scenes/Wizard.tsx
+++ b/src/scenes/Wizard.tsx
@@ -149,14 +149,32 @@ export default function Wizard() {
       });
 
       if (draft.fields.length > 0 && draft.nodes.length > 0) {
+        const token = sessionStorage.getItem("fm.mc.token.v1") || "";
+        const oldEdgeKeys: string[] = [];
+        for (const n of draft.nodes) {
+          try {
+            const r = await fetch(
+              `${(await import("../lib/api")).api.config.baseUrl}/api/ea2/edges/defines?from=flow/${n._key}&limit=50`,
+              { headers: { Authorization: `Bearer ${token}` } },
+            );
+            if (!r.ok) continue;
+            const items = ((await r.json())?.items || []) as any[];
+            for (const e of items) {
+              if (e?.role === "presentation" && e?._key) oldEdgeKeys.push(e._key);
+            }
+          } catch { /* ignore */ }
+        }
+
         const replaceOps: BatchOperation[] = draft.nodes.map(n =>
           wizardApi.ops.createView({ display_name: n.display_name, fields: draft.fields })
         );
         const res = await wizardApi.applyBatch(draft.flowKey, replaceOps, actor);
         const newViewKeys = (res?.result?.ops || []).map((o: any) => o.key);
-        const wireOps: BatchOperation[] = draft.nodes.map((n, i) =>
-          wizardApi.ops.presentationEdge(n._key, newViewKeys[i])
-        );
+
+        const wireOps: BatchOperation[] = [
+          ...oldEdgeKeys.map((k): BatchOperation => ({ op: "delete_edge", edge_coll: "defines", key: k })),
+          ...draft.nodes.map((n, i) => wizardApi.ops.presentationEdge(n._key, newViewKeys[i])),
+        ];
         if (wireOps.length) await wizardApi.applyBatch(draft.flowKey, wireOps, actor);
         updateDraft({ nodes: draft.nodes.map((n, i) => ({ ...n, viewKey: newViewKeys[i] })) });
       }