fix prompt history behaviour and session line up/down commands (#26797)

packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx

@@ -926,13 +926,7 @@ export function Prompt(props: PromptProps) {
       target: inputTarget,
       enabled: (() => {
         cursorVersion()
-        return (
-          inputTarget() !== undefined &&
-          !props.disabled &&
-          !auto()?.visible &&
-          input !== undefined &&
-          (input.cursorOffset === 0 || input.visualCursor.visualRow === 0)
-        )
+        return inputTarget() !== undefined && !props.disabled && !auto()?.visible && input !== undefined
       })(),
       commands: [
         {
@@ -941,12 +935,12 @@ export function Prompt(props: PromptProps) {
           category: "Prompt",
           run() {
             if (input.cursorOffset !== 0) {
-              input.cursorOffset = 0
-              return
+              if (input.scrollY + input.visualCursor.visualRow === 0) input.cursorOffset = 0
+              return false
             }
 
             const item = history.move(-1, input.plainText)
-            if (!item) return
+            if (!item) return false
             input.setText(item.input)
             setStore("prompt", item)
             setStore("mode", item.mode ?? "normal")
@@ -964,13 +958,7 @@ export function Prompt(props: PromptProps) {
       target: inputTarget,
       enabled: (() => {
         cursorVersion()
-        return (
-          inputTarget() !== undefined &&
-          !props.disabled &&
-          !auto()?.visible &&
-          input !== undefined &&
-          (input.cursorOffset === input.plainText.length || input.visualCursor.visualRow === input.height - 1)
-        )
+        return inputTarget() !== undefined && !props.disabled && !auto()?.visible && input !== undefined
       })(),
       commands: [
         {
@@ -979,12 +967,16 @@ export function Prompt(props: PromptProps) {
           category: "Prompt",
           run() {
             if (input.cursorOffset !== input.plainText.length) {
-              input.cursorOffset = input.plainText.length
-              return
+              if (
+                input.scrollY + input.visualCursor.visualRow ===
+                Math.max(0, input.editorView.getTotalVirtualLineCount() - 1)
+              )
+                input.cursorOffset = input.plainText.length
+              return false
             }
 
             const item = history.move(1, input.plainText)
-            if (!item) return
+            if (!item) return false
             input.setText(item.input)
             setStore("prompt", item)
             setStore("mode", item.mode ?? "normal")

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

@@ -746,7 +746,7 @@ export function Session() {
       title: "Line up",
       value: "session.line.up",
       category: "Session",
-      enabled: false,
+      hidden: true,
       run: () => {
         scroll.scrollBy(-1)
         dialog.clear()
@@ -756,7 +756,7 @@ export function Session() {
       title: "Line down",
       value: "session.line.down",
       category: "Session",
-      enabled: false,
+      hidden: true,
       run: () => {
         scroll.scrollBy(1)
         dialog.clear()