diff --git a/ui-opentui/src/logic/promptHistory.ts b/ui-opentui/src/logic/promptHistory.ts
index 281d6ef11da..e314c7b8513 100644
--- a/ui-opentui/src/logic/promptHistory.ts
+++ b/ui-opentui/src/logic/promptHistory.ts
@@ -40,7 +40,9 @@ export interface DoublePress {
 export function createDoublePress(windowMs: number = DOUBLE_PRESS_WINDOW_MS): DoublePress {
   let armedAt: number | undefined
   return {
-    press(now: number = Date.now()): boolean {
+    // performance.now() is monotonic (Node) — an NTP/wall-clock jump between
+    // two presses can't break or spuriously satisfy the window (review finding).
+    press(now: number = performance.now()): boolean {
       if (armedAt !== undefined && now - armedAt <= windowMs) {
         armedAt = undefined
         return true
diff --git a/ui-opentui/src/view/overlays/promptHistory.tsx b/ui-opentui/src/view/overlays/promptHistory.tsx
index d557e13709a..35adcfd5255 100644
--- a/ui-opentui/src/view/overlays/promptHistory.tsx
+++ b/ui-opentui/src/view/overlays/promptHistory.tsx
@@ -62,7 +62,9 @@ export function PromptHistory(props: {
   useKeyboard(key => {
     if (key.eventType === 'release') return
     if (key.name === 'escape' || (key.ctrl && key.name === 'c')) {
-      // Esc backs out one level: confirm → list, list → closed.
+      // Esc backs out one level: confirm → list, list → closed. Consumed —
+      // a closing Esc must never reach later global handlers (review finding).
+      key.preventDefault()
       if (confirming() !== undefined) setConfirming(undefined)
       else props.onClose()
       return