From 5415e680140ba353c5e9f9e013537287667d5eb4 Mon Sep 17 00:00:00 2001
From: Xubin Ren <52506698+Re-bin@users.noreply.github.com>
Date: Sat, 15 Aug 2026 17:10:58 +0800
Subject: [PATCH] fix(tui): keep scroll position indicator textual

---
 tui/src/app.test.ts   | 6 +++---
 tui/src/transcript.ts | 1 -
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/tui/src/app.test.ts b/tui/src/app.test.ts
index a1f4403f9..1ecce3a4e 100644
--- a/tui/src/app.test.ts
+++ b/tui/src/app.test.ts
@@ -1134,7 +1134,7 @@ describe("NanobotTui layout", () => {
     app.accept({ event: "stream_end", chat_id: "chat" })
     await setup.renderOnce()
     expect(scroll.scrollTop).toBe(0)
-    expect(scroll.verticalScrollBar.visible).toBe(true)
+    expect(scroll.verticalScrollBar.visible).toBe(false)
     expect(internals.status.plainText).toContain("Ctrl+End latest")
 
     setup.mockInput.pressKey("\u001B[6~")
@@ -1148,8 +1148,8 @@ describe("NanobotTui layout", () => {
     expect(internals.status.plainText).not.toContain("Ctrl+End latest")
 
     setup.mockInput.pressKey("HOME", { ctrl: true })
-    await waitUntil(() => scroll.verticalScrollBar.visible)
-    expect(scroll.verticalScrollBar.visible).toBe(true)
+    await waitUntil(() => internals.status.plainText.includes("Ctrl+End latest"))
+    expect(scroll.verticalScrollBar.visible).toBe(false)
     app.accept({ event: "attached", chat_id: "chat" })
     await waitUntil(() => (app as unknown as { ready: boolean }).ready)
     await setup.renderOnce()
diff --git a/tui/src/transcript.ts b/tui/src/transcript.ts
index 0c21e3a49..03a47bd94 100644
--- a/tui/src/transcript.ts
+++ b/tui/src/transcript.ts
@@ -321,7 +321,6 @@ export class Transcript {
       && unseenOutput === this.navigation.unseenOutput
     ) return
     this.navigation = { awayFromBottom, unseenOutput }
-    this.root.verticalScrollBar.visible = awayFromBottom
     this.emitNavigation()
   }