Adds up and down arrow commands for reusing previous user-message inputs

STATS.md

@@ -1,19 +1,22 @@
 # Download Stats
 
-| Date       | GitHub Downloads | npm Downloads   | Total             |
-| ---------- | ---------------- | --------------- | ----------------- |
-| 2025-06-29 | 18,789 (+0)      | 39,420 (+0)     | 58,209 (+0)       |
-| 2025-06-30 | 20,127 (+1,338)  | 41,059 (+1,639) | 61,186 (+2,977)   |
-| 2025-07-01 | 22,108 (+1,981)  | 43,745 (+2,686) | 65,853 (+4,667)   |
-| 2025-07-02 | 24,814 (+2,706)  | 46,168 (+2,423) | 70,982 (+5,129)   |
-| 2025-07-03 | 27,834 (+3,020)  | 49,955 (+3,787) | 77,789 (+6,807)   |
-| 2025-07-04 | 30,608 (+2,774)  | 54,758 (+4,803) | 85,366 (+7,577)   |
-| 2025-07-05 | 32,524 (+1,916)  | 58,371 (+3,613) | 90,895 (+5,529)   |
-| 2025-07-06 | 33,766 (+1,242)  | 59,694 (+1,323) | 93,460 (+2,565)   |
-| 2025-07-08 | 38,052 (+4,286)  | 64,468 (+4,774) | 102,520 (+9,060)  |
-| 2025-07-10 | 43,796 (+5,744)  | 71,402 (+6,934) | 115,198 (+12,678) |
-| 2025-07-11 | 46,982 (+3,186)  | 77,462 (+6,060) | 124,444 (+9,246)  |
-| 2025-07-12 | 49,302 (+2,320)  | 82,177 (+4,715) | 131,479 (+7,035)  |
-| 2025-07-13 | 50,803 (+1,501)  | 86,394 (+4,217) | 137,197 (+5,718)  |
-| 2025-07-14 | 53,283 (+2,480)  | 87,860 (+1,466) | 141,143 (+3,946)  |
-| 2025-07-15 | 57,590 (+4,307)  | 91,036 (+3,176) | 148,626 (+7,483)  |
+| Date       | GitHub Downloads | npm Downloads    | Total             |
+| ---------- | ---------------- | ---------------- | ----------------- |
+| 2025-06-29 | 18,789 (+0)      | 39,420 (+0)      | 58,209 (+0)       |
+| 2025-06-30 | 20,127 (+1,338)  | 41,059 (+1,639)  | 61,186 (+2,977)   |
+| 2025-07-01 | 22,108 (+1,981)  | 43,745 (+2,686)  | 65,853 (+4,667)   |
+| 2025-07-02 | 24,814 (+2,706)  | 46,168 (+2,423)  | 70,982 (+5,129)   |
+| 2025-07-03 | 27,834 (+3,020)  | 49,955 (+3,787)  | 77,789 (+6,807)   |
+| 2025-07-04 | 30,608 (+2,774)  | 54,758 (+4,803)  | 85,366 (+7,577)   |
+| 2025-07-05 | 32,524 (+1,916)  | 58,371 (+3,613)  | 90,895 (+5,529)   |
+| 2025-07-06 | 33,766 (+1,242)  | 59,694 (+1,323)  | 93,460 (+2,565)   |
+| 2025-07-08 | 38,052 (+4,286)  | 64,468 (+4,774)  | 102,520 (+9,060)  |
+| 2025-07-10 | 43,796 (+5,744)  | 71,402 (+6,934)  | 115,198 (+12,678) |
+| 2025-07-11 | 46,982 (+3,186)  | 77,462 (+6,060)  | 124,444 (+9,246)  |
+| 2025-07-12 | 49,302 (+2,320)  | 82,177 (+4,715)  | 131,479 (+7,035)  |
+| 2025-07-13 | 50,803 (+1,501)  | 86,394 (+4,217)  | 137,197 (+5,718)  |
+| 2025-07-14 | 53,283 (+2,480)  | 87,860 (+1,466)  | 141,143 (+3,946)  |
+| 2025-07-15 | 57,590 (+4,307)  | 91,036 (+3,176)  | 148,626 (+7,483)  |
+| 2025-07-16 | 62,343 (+4,753)  | 95,258 (+4,222)  | 157,601 (+8,975)  |
+| 2025-07-17 | 66,382 (+4,039)  | 100,048 (+4,790) | 166,430 (+8,829)  |
+| 2025-07-18 | 70,404 (+4,022)  | 102,587 (+2,539) | 172,991 (+6,561)  |

packages/tui/internal/commands/command.go

@@ -106,6 +106,8 @@ const (
 	InputPasteCommand           CommandName = "input_paste"
 	InputSubmitCommand          CommandName = "input_submit"
 	InputNewlineCommand         CommandName = "input_newline"
+	HistoryPreviousCommand      CommandName = "history_previous"
+	HistoryNextCommand          CommandName = "history_next"
 	MessagesPageUpCommand       CommandName = "messages_page_up"
 	MessagesPageDownCommand     CommandName = "messages_page_down"
 	MessagesHalfPageUpCommand   CommandName = "messages_half_page_up"
@@ -264,6 +266,16 @@ func LoadFromConfig(config *opencode.Config) CommandRegistry {
 			Description: "insert newline",
 			Keybindings: parseBindings("shift+enter", "ctrl+j"),
 		},
+		{
+			Name:        HistoryPreviousCommand,
+			Description: "previous input",
+			Keybindings: parseBindings("up"),
+		},
+		{
+			Name:        HistoryNextCommand,
+			Description: "next input",
+			Keybindings: parseBindings("down"),
+		},
 		{
 			Name:        MessagesPageUpCommand,
 			Description: "page up",

packages/tui/internal/components/chat/editor.go

@@ -39,6 +39,8 @@ type EditorComponent interface {
 	Clear() (tea.Model, tea.Cmd)
 	Paste() (tea.Model, tea.Cmd)
 	Newline() (tea.Model, tea.Cmd)
+	HistoryPrevious() (tea.Model, tea.Cmd)
+	HistoryNext() (tea.Model, tea.Cmd)
 	SetValue(value string)
 	SetInterruptKeyInDebounce(inDebounce bool)
 	SetExitKeyInDebounce(inDebounce bool)
@@ -50,6 +52,8 @@ type editorComponent struct {
 	spinner                spinner.Model
 	interruptKeyInDebounce bool
 	exitKeyInDebounce      bool
+	history                []string
+	historyIndex           int
 }
 
 func (m *editorComponent) Init() tea.Cmd {
@@ -357,6 +361,9 @@ func (m *editorComponent) Submit() (tea.Model, tea.Cmd) {
 		})
 	}
 
+	m.history = append(m.history, value)
+	m.historyIndex = len(m.history)
+
 	updated, cmd := m.Clear()
 	m = updated.(*editorComponent)
 	cmds = append(cmds, cmd)
@@ -403,6 +410,34 @@ func (m *editorComponent) Newline() (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
+func (m *editorComponent) HistoryPrevious() (tea.Model, tea.Cmd) {
+	if len(m.history) == 0 {
+		return m, nil
+	}
+	if m.historyIndex > 0 {
+		m.historyIndex--
+	}
+	m.SetValue(m.history[m.historyIndex])
+	m.textarea.CursorEnd()
+	return m, nil
+}
+
+func (m *editorComponent) HistoryNext() (tea.Model, tea.Cmd) {
+	if len(m.history) == 0 {
+		m.SetValue("")
+		return m, nil
+	}
+	if m.historyIndex < len(m.history)-1 {
+		m.historyIndex++
+		m.SetValue(m.history[m.historyIndex])
+	} else {
+		m.historyIndex = len(m.history)
+		m.SetValue("")
+	}
+	m.textarea.CursorEnd()
+	return m, nil
+}
+
 func (m *editorComponent) SetInterruptKeyInDebounce(inDebounce bool) {
 	m.interruptKeyInDebounce = inDebounce
 }
@@ -487,6 +522,8 @@ func NewEditorComponent(app *app.App) EditorComponent {
 		textarea:               ta,
 		spinner:                s,
 		interruptKeyInDebounce: false,
+		history:                []string{},
+		historyIndex:           0,
 	}
 
 	return m

packages/tui/internal/tui/tui.go

@@ -950,6 +950,14 @@ func (a appModel) executeCommand(command commands.Command) (tea.Model, tea.Cmd)
 		updated, cmd := a.editor.Newline()
 		a.editor = updated.(chat.EditorComponent)
 		cmds = append(cmds, cmd)
+	case commands.HistoryPreviousCommand:
+		updated, cmd := a.editor.HistoryPrevious()
+		a.editor = updated.(chat.EditorComponent)
+		cmds = append(cmds, cmd)
+	case commands.HistoryNextCommand:
+		updated, cmd := a.editor.HistoryNext()
+		a.editor = updated.(chat.EditorComponent)
+		cmds = append(cmds, cmd)
 	case commands.MessagesFirstCommand:
 		updated, cmd := a.messages.First()
 		a.messages = updated.(chat.MessagesComponent)

packages/tui/sdk/config.go

@@ -518,6 +518,10 @@ type Keybinds struct {
 	InputPaste string `json:"input_paste,required"`
 	// Submit input
 	InputSubmit string `json:"input_submit,required"`
+	// Previous input history
+	HistoryPrevious string `json:"history_previous,required"`
+	// Next input history
+	HistoryNext string `json:"history_next,required"`
 	// Leader key for keybind combinations
 	Leader string `json:"leader,required"`
 	// Copy message
@@ -580,6 +584,8 @@ type keybindsJSON struct {
 	InputNewline         apijson.Field
 	InputPaste           apijson.Field
 	InputSubmit          apijson.Field
+	HistoryPrevious      apijson.Field
+	HistoryNext          apijson.Field
 	Leader               apijson.Field
 	MessagesCopy         apijson.Field
 	MessagesFirst        apijson.Field