diff --git a/packages/ui/src/components/session-turn.css b/packages/ui/src/components/session-turn.css
index 60e4e17f5..15d7b5035 100644
--- a/packages/ui/src/components/session-turn.css
+++ b/packages/ui/src/components/session-turn.css
@@ -53,7 +53,7 @@
     font-family: var(--font-family-sans);
     font-size: var(--font-size-base);
     font-weight: var(--font-weight-medium);
-    line-height: var(--line-height-large);
+    line-height: 20px;
     min-height: 20px;
 
     [data-component="spinner"] {
diff --git a/packages/ui/src/components/session-turn.tsx b/packages/ui/src/components/session-turn.tsx
index 2bf2c3318..a8a41b8ef 100644
--- a/packages/ui/src/components/session-turn.tsx
+++ b/packages/ui/src/components/session-turn.tsx
@@ -369,7 +369,6 @@ export function SessionTurn(
     if (queued()) return false
     if (status().type === "retry") return false
     if (showReasoningSummaries()) return assistantVisible() === 0
-    if (assistantTailVisible() === "text") return false
     return true
   })
 
diff --git a/packages/ui/src/hooks/create-auto-scroll.tsx b/packages/ui/src/hooks/create-auto-scroll.tsx
index d67b1f31f..26e7e1404 100644
--- a/packages/ui/src/hooks/create-auto-scroll.tsx
+++ b/packages/ui/src/hooks/create-auto-scroll.tsx
@@ -85,7 +85,10 @@ export function createAutoScroll(options: AutoScrollOptions) {
     if (force && store.userScrolled) setStore("userScrolled", false)
 
     const distance = distanceFromBottom(el)
-    if (distance < 2) return
+    if (distance < 2) {
+      markAuto(el)
+      return
+    }
 
     // For auto-following content we prefer immediate updates to avoid
     // visible "catch up" animations while content is still settling.