diff --git a/packages/app/e2e/regression/timeline-geometry.spec.ts b/packages/app/e2e/regression/timeline-geometry.spec.ts
index f5990a4fd69a..8f90e659574c 100644
--- a/packages/app/e2e/regression/timeline-geometry.spec.ts
+++ b/packages/app/e2e/regression/timeline-geometry.spec.ts
@@ -630,6 +630,37 @@ test("keeps a reader scrolled up in place when they submit a prompt", async ({ p
   await expect.poll(fromEnd).toBeLessThanOrEqual(1)
 })
 
+test("takes a reader scrolled up short of the jump button to their submitted prompt", async ({ page }) => {
+  await setupTimeline(page, {
+    reducedMotion: true,
+    sessionMessages: [
+      ...validateTimelineMessages([...historyMessages(18), userMessage()]),
+      { id: "msg_1002_timeline_idle", type: "idle", outcome: "succeeded", time: { created: 1700000003000 } },
+    ],
+  })
+  const scroller = page.locator('[data-slot="session-timeline-scroll"] > [data-scrollable]')
+  const fromEnd = () => scroller.evaluate((element) => element.scrollHeight - element.clientHeight - element.scrollTop)
+  const jump = page.getByRole("button", { name: "Jump to latest" })
+  const editor = page.locator('[data-component="composer"]').getByRole("textbox")
+  await expect(page.locator("[data-timeline-virtual-content]")).toHaveCSS("visibility", "visible")
+  await expect.poll(fromEnd).toBeLessThanOrEqual(1)
+
+  await scroller.hover()
+
+  // Back-to-back prompts, each sent after a small scroll up, bring the reader down to the one just sent.
+  for (const text of ["First prompt sent just above the end.", "Second prompt sent right after."]) {
+    await page.mouse.wheel(0, -150)
+    await expect.poll(fromEnd).toBeGreaterThan(100)
+    // The hidden button only fades out, so its inert wrapper is what says it is not offered.
+    await expect(jump.locator("xpath=..")).toHaveAttribute("inert")
+    await editor.fill(text)
+    await editor.press("Enter")
+    await expect(editor).toHaveText("")
+    await expect(page.locator('[data-timeline-row="UserMessage"]').filter({ hasText: text })).toBeInViewport()
+    await expect.poll(fromEnd).toBeLessThanOrEqual(1)
+  }
+})
+
 async function captureCardEdges(page: Page, card: Locator) {
   const box = await card.boundingBox()
 
diff --git a/packages/app/src/session/composer/region.tsx b/packages/app/src/session/composer/region.tsx
index 28a710e04f31..d1432a66e1f9 100644
--- a/packages/app/src/session/composer/region.tsx
+++ b/packages/app/src/session/composer/region.tsx
@@ -338,11 +338,11 @@ export function createActiveSessionRegion(input: {
     state,
     parentID: input.session.data.parentID,
     centered: input.screen.centered,
-    // Submitting reads past the automatic unread marker. Keep a reader's own scroll or revealed tool in place.
+    // A reader far enough up to see the jump-to-latest button stays put; anyone closer is taken to the new prompt.
     onResponseSubmit: () => {
-      const anchor = input.timeline.follow.anchor()
+      const scroll = input.timeline.scroll
 
-      if (input.timeline.follow.following() || (anchor && !anchor.partID)) input.timeline.actions.resume()
+      if (input.timeline.follow.following() || !(scroll.overflow && scroll.jump)) input.timeline.actions.resume()
     },
     openParent,
     focusPrompt: () => focusPrompt(),