fix(tui): apply scroll configuration uniformly across all scrollboxes (#14735)

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -82,16 +82,7 @@ import { UI } from "@/cli/ui.ts"
 import { useTuiConfig } from "../../context/tui-config"
 
 addDefaultParsers(parsers.parsers)
-
-class CustomSpeedScroll implements ScrollAcceleration {
-  constructor(private speed: number) {}
-
-  tick(_now?: number): number {
-    return this.speed
-  }
-
-  reset(): void {}
-}
+import { getScrollAcceleration } from "../../util/scroll"
 
 const context = createContext<{
   width: number
@@ -168,17 +159,7 @@ export function Session() {
   const showTimestamps = createMemo(() => timestamps() === "show")
   const contentWidth = createMemo(() => dimensions().width - (sidebarVisible() ? 42 : 0) - 4)
 
-  const scrollAcceleration = createMemo(() => {
-    const tui = tuiConfig
-    if (tui?.scroll_acceleration?.enabled) {
-      return new MacOSScrollAccel()
-    }
-    if (tui?.scroll_speed) {
-      return new CustomSpeedScroll(tui.scroll_speed)
-    }
-
-    return new CustomSpeedScroll(3)
-  })
+  const scrollAcceleration = createMemo(() => getScrollAcceleration(tuiConfig))
 
   createEffect(() => {
     if (session()?.workspaceID) {

packages/opencode/src/cli/cmd/tui/routes/session/permission.tsx

@@ -15,6 +15,7 @@ import { Keybind } from "@/util/keybind"
 import { Locale } from "@/util/locale"
 import { Global } from "@/global"
 import { useDialog } from "../../ui/dialog"
+import { getScrollAcceleration } from "../../util/scroll"
 import { useTuiConfig } from "../../context/tui-config"
 
 type PermissionStage = "permission" | "always" | "reject"
@@ -62,12 +63,14 @@ function EditBody(props: { request: PermissionRequest }) {
   })
 
   const ft = createMemo(() => filetype(filepath()))
+  const scrollAcceleration = createMemo(() => getScrollAcceleration(config))
 
   return (
     <box flexDirection="column" gap={1}>
       <Show when={diff()}>
         <scrollbox
           height="100%"
+          scrollAcceleration={scrollAcceleration()}
           verticalScrollbarOptions={{
             trackOptions: {
               backgroundColor: theme.background,

packages/opencode/src/cli/cmd/tui/routes/session/sidebar.tsx

@@ -1,13 +1,18 @@
 import { useSync } from "@tui/context/sync"
 import { createMemo, Show } from "solid-js"
 import { useTheme } from "../../context/theme"
+import { useTuiConfig } from "../../context/tui-config"
 import { Installation } from "@/installation"
 import { TuiPluginRuntime } from "../../plugin"
 
+import { getScrollAcceleration } from "../../util/scroll"
+
 export function Sidebar(props: { sessionID: string; overlay?: boolean }) {
   const sync = useSync()
   const { theme } = useTheme()
+  const tuiConfig = useTuiConfig()
   const session = createMemo(() => sync.session.get(props.sessionID))
+  const scrollAcceleration = createMemo(() => getScrollAcceleration(tuiConfig))
 
   return (
     <Show when={session()}>
@@ -23,6 +28,7 @@ export function Sidebar(props: { sessionID: string; overlay?: boolean }) {
       >
         <scrollbox
           flexGrow={1}
+          scrollAcceleration={scrollAcceleration()}
           verticalScrollbarOptions={{
             trackOptions: {
               backgroundColor: theme.background,