diff --git a/src/renderer/src/components/terminal-pane/pty-connection-fresh-spawn-guards.test.ts b/src/renderer/src/components/terminal-pane/pty-connection-fresh-spawn-guards.test.ts
index 4ed6df14bbb..d6d7246f017 100644
--- a/src/renderer/src/components/terminal-pane/pty-connection-fresh-spawn-guards.test.ts
+++ b/src/renderer/src/components/terminal-pane/pty-connection-fresh-spawn-guards.test.ts
@@ -497,6 +497,29 @@ describe('connectPanePty', () => {
     }
     expect(transport.sendInput).toHaveBeenCalledExactlyOnceWith('input_under_flood\r')
 
+    // A wheel over a replayed alt-screen frame becomes cursor keys; the fresh shell must not recall history from them.
+    pane.terminal.buffer.active.type = 'alternate'
+    for (const listener of userInputListeners) {
+      listener()
+    }
+    sendTerminalInputThroughPane(pane, '\x1b[B')
+    for (const forward of deferred.splice(0)) {
+      forward()
+    }
+    expect(transport.sendInput).toHaveBeenCalledExactlyOnceWith('input_under_flood\r')
+
+    // The same bytes on the normal buffer can only be a keyboard arrow, which survives replay.
+    pane.terminal.buffer.active.type = 'normal'
+    for (const listener of userInputListeners) {
+      listener()
+    }
+    sendTerminalInputThroughPane(pane, '\x1b[B')
+    for (const forward of deferred.splice(0)) {
+      forward()
+    }
+    expect(transport.sendInput).toHaveBeenCalledTimes(2)
+    expect(transport.sendInput).toHaveBeenLastCalledWith('\x1b[B')
+
     // Once the guard releases, the same mouse report is ordinary input again.
     deps.replayingPanesRef.current.delete(pane.id)
     for (const listener of userInputListeners) {
diff --git a/src/renderer/src/components/terminal-pane/pty-connection/pty-input-forward.ts b/src/renderer/src/components/terminal-pane/pty-connection/pty-input-forward.ts
index b2ff742edc2..3c8166b2410 100644
--- a/src/renderer/src/components/terminal-pane/pty-connection/pty-input-forward.ts
+++ b/src/renderer/src/components/terminal-pane/pty-connection/pty-input-forward.ts
@@ -10,7 +10,7 @@ import { isPtyLocked } from '@/lib/pane-manager/mobile-driver-state'
 import { getAppliedSizeReadE2eDelayMs } from '../pty-applied-size-read-e2e-delay'
 import { createPtySizeReassertion } from '../pty-size-reassertion'
 import { isPaneReplaying } from '../replay-guard'
-import { isXtermMouseReport } from '../terminal-mouse-report-sequence'
+import { isXtermMouseReport, isXtermWheelCursorKey } from '../terminal-pointer-input-sequences'
 import { shouldDropQuarantinedTerminalInput } from '../terminal-input-quarantine'
 import {
   PANE_PTY_RESIZE_HOLD_FLUSH_EVENT,
@@ -29,13 +29,17 @@ export function installPtyInputForward(session: ConnectPanePtySession): void {
   session.forwardPtyInput = (data: string, wasUserInput = false): void => {
     // Why: replaying recorded PTY bytes makes xterm auto-reply to embedded
     // queries (DA1/DECRQM/OSC 10-11/CPR) via onData; those must not leak into
-    // the shell, but keystrokes typed mid-restore must survive. Mouse reports
-    // stay dropped even though xterm flags them as user input: replayed bytes
-    // can leave mouse tracking armed until the guarded mode reset lands, and a
-    // click would otherwise print SGR fragments on the fresh prompt. See replay-guard.ts.
+    // the shell, but keystrokes typed mid-restore must survive. Pointer input
+    // stays dropped even though xterm flags it as user input: replayed bytes can
+    // leave mouse tracking armed until the guarded mode reset lands (a click
+    // would print SGR fragments on the fresh prompt), and a wheel over a
+    // replayed alt-screen frame becomes cursor keys that would recall history
+    // at that prompt once ?1049l lands. See replay-guard.ts.
     if (
       isPaneReplaying(session.deps.replayingPanesRef, session.pane.id) &&
-      (!wasUserInput || isXtermMouseReport(data))
+      (!wasUserInput ||
+        isXtermMouseReport(data) ||
+        (isXtermWheelCursorKey(data) && session.pane.terminal.buffer.active.type === 'alternate'))
     ) {
       return
     }
diff --git a/src/renderer/src/components/terminal-pane/terminal-link-pty-mouse-suppression.ts b/src/renderer/src/components/terminal-pane/terminal-link-pty-mouse-suppression.ts
index c34b716c361..6dccb30340c 100644
--- a/src/renderer/src/components/terminal-pane/terminal-link-pty-mouse-suppression.ts
+++ b/src/renderer/src/components/terminal-pane/terminal-link-pty-mouse-suppression.ts
@@ -3,7 +3,7 @@ import {
   isTerminalLinkActionActivation,
   isTerminalLinkDirectActivation
 } from './terminal-link-activation'
-import { isXtermMouseReport } from './terminal-mouse-report-sequence'
+import { isXtermMouseReport } from './terminal-pointer-input-sequences'
 
 const CAPTURE_LISTENER_OPTIONS = { capture: true } as const
 const MAX_DEFERRED_PTY_INPUT_FRAMES = 64
diff --git a/src/renderer/src/components/terminal-pane/terminal-mouse-report-sequence.ts b/src/renderer/src/components/terminal-pane/terminal-mouse-report-sequence.ts
deleted file mode 100644
index 7ce25bebccb..00000000000
--- a/src/renderer/src/components/terminal-pane/terminal-mouse-report-sequence.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-/** True for an xterm mouse report (X10 `CSI M` or SGR `CSI <`): pointer input, never a keystroke. */
-export function isXtermMouseReport(data: string): boolean {
-  return (
-    (data.startsWith('\x1b[M') && data.length === 6) ||
-    (data.startsWith('\x1b[<') && /^\d+;\d+;\d+[Mm]$/.test(data.slice(3)))
-  )
-}
diff --git a/src/renderer/src/components/terminal-pane/terminal-pointer-input-sequences.ts b/src/renderer/src/components/terminal-pane/terminal-pointer-input-sequences.ts
new file mode 100644
index 00000000000..61ebbf9b022
--- /dev/null
+++ b/src/renderer/src/components/terminal-pane/terminal-pointer-input-sequences.ts
@@ -0,0 +1,15 @@
+// Why: xterm flags pointer-derived bytes as user input alongside keystrokes; callers
+// that must treat pointer input differently need to recognise it by shape.
+
+/** True for an xterm mouse report (X10 `CSI M` or SGR `CSI <`): pointer input, never a keystroke. */
+export function isXtermMouseReport(data: string): boolean {
+  return (
+    (data.startsWith('\x1b[M') && data.length === 6) ||
+    (data.startsWith('\x1b[<') && /^\d+;\d+;\d+[Mm]$/.test(data.slice(3)))
+  )
+}
+
+/** True for the bare cursor up/down xterm synthesises per wheel notch when the active buffer has no scrollback. */
+export function isXtermWheelCursorKey(data: string): boolean {
+  return data === '\x1b[A' || data === '\x1b[B' || data === '\x1bOA' || data === '\x1bOB'
+}