fix(tui): anchor diff file menus to the screen

packages/tui/src/component/prompt/index.tsx

@@ -187,6 +187,8 @@ export function Prompt(props: PromptProps) {
   let anchor: BoxRenderable
   const [inputTarget, setInputTarget] = createSignal<TextareaRenderable | undefined>()
 
+  const enabled = Keymap.useEnabled()
+  const disabled = () => props.disabled || !enabled()
   const leader = Keymap.useLeaderActive()
   const muted = () => leader() || props.muted
   const local = useLocal()
@@ -259,6 +261,7 @@ export function Prompt(props: PromptProps) {
   const [pendingDirectory, setPendingDirectory] = createSignal<string>()
   Keymap.createLayer(() => ({
     mode: "global",
+    enabled: !disabled(),
     commands: [
       {
         id: "session.cd",
@@ -348,8 +351,7 @@ export function Prompt(props: PromptProps) {
 
   createEffect(() => {
     if (!input || input.isDestroyed) return
-    if (props.disabled) input.cursorColor = theme.background.surface.offset
-    if (!props.disabled) input.cursorColor = theme.text.default
+    input.cursorColor = disabled() ? theme.background.surface.offset : theme.text.default
     if (config.cursor) input.cursorStyle = config.cursor
   })
 
@@ -372,12 +374,13 @@ export function Prompt(props: PromptProps) {
   function enqueuePaste(run: (changed: () => boolean) => Promise<void>) {
     pasteQueue = pasteQueue
       .then(async () => {
-        if (disposed || input.isDestroyed) return
+        if (disposed || input.isDestroyed || disabled()) return
         const before = { sessionID: props.sessionID, mode: store.mode, text: input.plainText }
         await run(
           () =>
             disposed ||
             input.isDestroyed ||
+            disabled() ||
             props.sessionID !== before.sessionID ||
             store.mode !== before.mode ||
             input.plainText !== before.text,
@@ -648,15 +651,18 @@ export function Prompt(props: PromptProps) {
 
   Keymap.createLayer(() => ({
     mode: "global",
+    enabled: !disabled(),
     commands: promptCommands(),
   }))
 
   Keymap.createLayer(() => ({
     priority: 1,
+    enabled: !disabled(),
     bindings: ["prompt.queue"],
   }))
 
   Keymap.createLayer(() => ({
+    enabled: !disabled(),
     bindings: [
       "prompt.submit",
       "prompt.editor",
@@ -674,12 +680,13 @@ export function Prompt(props: PromptProps) {
 
   const ref: PromptRef = {
     get focused() {
-      return input.focused
+      return !disabled() && input.focused
     },
     get current() {
       return store.prompt
     },
     focus() {
+      if (disabled()) return
       input.focus()
     },
     blur() {
@@ -733,11 +740,13 @@ export function Prompt(props: PromptProps) {
 
   createEffect(() => {
     if (!input || input.isDestroyed) return
-    if (props.visible === false || props.disabled || dialog.stack.length > 0) {
+    if (props.visible === false || disabled() || dialog.stack.length > 0) {
       if (input.focused) input.blur()
+      input.focusable = false
       return
     }
 
+    input.focusable = true
     // Slot/plugin updates can remount the background prompt while a dialog is open.
     // Keep focus with the dialog and let the prompt reclaim it after the dialog closes.
     if (!input.focused) input.focus()
@@ -933,13 +942,14 @@ export function Prompt(props: PromptProps) {
 
   Keymap.createLayer(() => ({
     mode: "global",
+    enabled: !disabled(),
     commands: stashCommands(),
   }))
 
   Keymap.createLayer(() => {
     return {
       target: inputTarget,
-      enabled: inputTarget() !== undefined && !props.disabled,
+      enabled: inputTarget() !== undefined && !disabled(),
       bindings: ["prompt.paste"],
     }
   })
@@ -947,7 +957,7 @@ export function Prompt(props: PromptProps) {
   Keymap.createLayer(() => {
     return {
       target: inputTarget,
-      enabled: inputTarget() !== undefined && !props.disabled && store.prompt.text !== "",
+      enabled: inputTarget() !== undefined && !disabled() && store.prompt.text !== "",
       bindings: ["prompt.clear"],
     }
   })
@@ -959,7 +969,7 @@ export function Prompt(props: PromptProps) {
         cursorVersion()
         return (
           inputTarget() !== undefined &&
-          !props.disabled &&
+          !disabled() &&
           store.mode === "normal" &&
           !auto()?.visible &&
           input?.visualCursor.offset === 0
@@ -983,7 +993,7 @@ export function Prompt(props: PromptProps) {
     return {
       priority: 1,
       target: inputTarget,
-      enabled: inputTarget() !== undefined && store.mode === "shell",
+      enabled: inputTarget() !== undefined && !disabled() && store.mode === "shell",
       commands: [
         { bind: "escape", title: "Exit shell mode", group: "Prompt", run: () => setStore("mode", "normal") },
         {
@@ -1002,7 +1012,7 @@ export function Prompt(props: PromptProps) {
       target: inputTarget,
       enabled: (() => {
         cursorVersion()
-        return inputTarget() !== undefined && store.mode === "shell" && input?.visualCursor.offset === 0
+        return inputTarget() !== undefined && !disabled() && store.mode === "shell" && input?.visualCursor.offset === 0
       })(),
       commands: [
         { bind: "backspace", title: "Exit shell mode", group: "Prompt", run: () => setStore("mode", "normal") },
@@ -1016,7 +1026,7 @@ export function Prompt(props: PromptProps) {
       target: inputTarget,
       enabled: (() => {
         cursorVersion()
-        return inputTarget() !== undefined && !props.disabled && !auto()?.visible && input !== undefined
+        return inputTarget() !== undefined && !disabled() && !auto()?.visible && input !== undefined
       })(),
       commands: [
         {
@@ -1052,7 +1062,7 @@ export function Prompt(props: PromptProps) {
       target: inputTarget,
       enabled: (() => {
         cursorVersion()
-        return inputTarget() !== undefined && !props.disabled && !auto()?.visible && input !== undefined
+        return inputTarget() !== undefined && !disabled() && !auto()?.visible && input !== undefined
       })(),
       commands: [
         {
@@ -1087,6 +1097,7 @@ export function Prompt(props: PromptProps) {
 
   let submitting = false
   async function submit(delivery: SessionInbox.Delivery = "steer") {
+    if (disabled()) return false
     // Prevent overlapping invocations (e.g. a double-pressed Enter, or the
     // input's native onSubmit racing another dispatch). Without this guard,
     // a second call slips past the empty-input check before the first call
@@ -1110,7 +1121,6 @@ export function Prompt(props: PromptProps) {
       setStore("prompt", "text", input.plainText)
       syncExtmarksWithPromptParts()
     }
-    if (props.disabled) return false
     if (move.creating()) return false
     if (auto()?.visible) return false
     const trimmed = store.prompt.text.trim()
@@ -1663,7 +1673,7 @@ export function Prompt(props: PromptProps) {
   const promptBg = createMemo(() => theme.raise(theme.background.surface.offset))
 
   return (
-    <>
+    <Keymap.Scope enabled={!disabled()}>
       <box ref={(r: BoxRenderable) => (anchor = r)} visible={props.visible !== false} width="100%">
         <box
           width="100%"
@@ -1769,18 +1779,19 @@ export function Prompt(props: PromptProps) {
               }}
               onCursorChange={() => setCursorVersion((value) => value + 1)}
               onKeyDown={(e: { preventDefault(): void }) => {
-                if (props.disabled) {
+                if (disabled()) {
                   e.preventDefault()
                   return
                 }
               }}
               onSubmit={() => {
+                if (disabled()) return
                 // IME: double-defer so the last composed character (e.g. Korean
                 // hangul) is flushed to plainText before we read it for submission.
                 setTimeout(() => setTimeout(() => submit(), 0), 0)
               }}
               onPaste={(event: PasteEvent) => {
-                if (props.disabled) {
+                if (disabled()) {
                   event.preventDefault()
                   return
                 }
@@ -1816,12 +1827,16 @@ export function Prompt(props: PromptProps) {
                 setTimeout(() => {
                   // setTimeout is a workaround and needs to be addressed properly
                   if (!input || input.isDestroyed) return
-                  input.cursorColor = theme.text.default
+                  input.cursorColor = disabled() ? theme.background.surface.offset : theme.text.default
                   if (config.cursor) input.cursorStyle = config.cursor
                 }, 0)
               }}
               onMouseDown={(r: MouseEvent) => {
-                if (props.disabled || r.button !== 0) return
+                if (disabled()) {
+                  r.preventDefault()
+                  return
+                }
+                if (r.button !== 0) return
                 r.target?.focus()
                 const extmark = input.extmarks
                   .getAtOffset(input.cursorOffset)
@@ -1831,7 +1846,7 @@ export function Prompt(props: PromptProps) {
                 r.stopPropagation()
               }}
               focusedBackgroundColor="transparent"
-              cursorColor={props.disabled ? theme.background.surface.offset : theme.text.default}
+              cursorColor={disabled() ? theme.background.surface.offset : theme.text.default}
               syntaxStyle={syntax()}
             />
             <box flexDirection="row" flexShrink={0} paddingTop={1} gap={1} justifyContent="space-between">
@@ -2016,6 +2031,6 @@ export function Prompt(props: PromptProps) {
         hasSkill={(id) => store.prompt.skills?.some((skill) => skill.id === id) ?? false}
         promptPartTypeId={() => promptPartTypeId}
       />
-    </>
+    </Keymap.Scope>
   )
 }

packages/tui/src/context/keymap.tsx

@@ -13,7 +13,17 @@ import { formatCommandBindings, formatKeySequence } from "@opentui/keymap/extras
 import { createDefaultOpenTuiKeymap } from "@opentui/keymap/opentui"
 import { KeymapProvider, useBindings, useKeymapSelector } from "@opentui/keymap/solid"
 import { useRenderer } from "@opentui/solid"
-import { createContext, onCleanup, useContext, type Accessor, type ParentProps } from "solid-js"
+import {
+  createComputed,
+  createContext,
+  createMemo,
+  createSignal,
+  getOwner,
+  onCleanup,
+  useContext,
+  type Accessor,
+  type ParentProps,
+} from "solid-js"
 import { useConfig } from "../config"
 import { TuiKeybind } from "../config/keybind"
 
@@ -50,6 +60,20 @@ const Context = createContext<{
   readonly input: (id: string) => string | undefined
 }>()
 
+const EnabledContext = createContext<Accessor<boolean>>(() => true)
+
+/** Gates descendant layers and modes, including layers that opt out of mode matching. */
+function Scope(props: ParentProps<{ enabled: boolean }>) {
+  const parent = useEnabled()
+  const enabled = createMemo(() => parent() && props.enabled)
+  return <EnabledContext.Provider value={enabled}>{props.children}</EnabledContext.Provider>
+}
+
+/** Returns the combined activation of every enclosing scope. */
+function useEnabled() {
+  return useContext(EnabledContext)
+}
+
 function Provider(props: ParentProps<{ config?: KeymapConfig }>) {
   const renderer = useRenderer()
   const config: KeymapConfig = props.config ?? useConfig().data
@@ -175,13 +199,18 @@ export interface Keymap {
 
 function use(): Keymap {
   const value = useValue()
+  const enabled = useEnabled()
   const leader = value.config.keybinds.get("leader")?.[0]?.key
   const isLeader = leader ? value.keymap.createKeyMatcher(leader) : () => false
   return {
     dispatch(id, input) {
       value.dispatch(id, input)
     },
-    mode: value.mode,
+    mode: {
+      current: value.mode.current,
+      // Plugin APIs can forward a keymap captured above the calling component's scope.
+      push: (mode) => value.mode.push(mode, getOwner() ? useEnabled() : enabled),
+    },
     intercept: value.keymap.intercept.bind(value.keymap),
     isLeader,
   }
@@ -189,6 +218,7 @@ function use(): Keymap {
 
 function createLayer(input: () => KeymapLayer) {
   const value = useValue()
+  const enabled = useEnabled()
   useBindings(() => {
     const layer = input()
     const { commands, bindings, mode, ...options } = layer
@@ -215,6 +245,7 @@ function createLayer(input: () => KeymapLayer) {
     )
     return {
       ...options,
+      enabled: enabled() ? options.enabled : false,
       ...(mode === "global" ? {} : { mode: mode ?? MODE.base }),
       commands: grouped.named.map((command) => {
         const { id, description, group, palette, bind, run, ...definition } = command
@@ -385,7 +416,9 @@ function useValue() {
 
 export const Keymap = {
   Provider,
+  Scope,
   use,
+  useEnabled,
   createLayer,
   useShortcuts,
   useShortcut,
@@ -397,37 +430,34 @@ export const Keymap = {
 } as const
 
 function createMode(keymap: OpenTuiKeymap) {
-  keymap.setData(MODE.key, MODE.base)
+  const [stack, setStack] = createSignal<
+    { readonly id: symbol; readonly mode: string; readonly enabled: Accessor<boolean> }[]
+  >([])
+  const current = createMemo(() => stack().findLast((item) => item.enabled())?.mode ?? MODE.base)
+  // Publish mode changes before another command can be dispatched in the same callback.
+  createComputed(() => keymap.setData(MODE.key, current()))
   const unregister = keymap.registerLayerFields({
     mode(value, context) {
       context.require(MODE.key, value)
     },
   })
-  const stack: { readonly id: symbol; readonly mode: string }[] = []
   let disposed = false
 
-  const update = () => keymap.setData(MODE.key, stack.at(-1)?.mode ?? MODE.base)
-
   return {
-    current() {
-      return stack.at(-1)?.mode ?? MODE.base
-    },
-    push(mode: string) {
+    current,
+    push(mode: string, enabled: Accessor<boolean>) {
       if (disposed) return () => {}
       const id = Symbol(mode)
-      stack.push({ id, mode })
-      update()
+      // Inactive scopes retain their stack position beneath any newer modes.
+      setStack((items) => [...items, { id, mode, enabled }])
       return () => {
-        const index = stack.findIndex((item) => item.id === id)
-        if (index < 0) return
-        stack.splice(index, 1)
-        update()
+        setStack((items) => items.filter((item) => item.id !== id))
       }
     },
     dispose() {
       if (disposed) return
       disposed = true
-      stack.length = 0
+      setStack([])
       unregister()
       keymap.setData(MODE.key, undefined)
     },

packages/tui/src/feature-plugins/system/diff-viewer-file-menu.tsx

@@ -0,0 +1,87 @@
+/** @jsxImportSource @opentui/solid */
+import type { Plugin } from "@opencode-ai/plugin/tui"
+import { BoxRenderable, MouseButton } from "@opentui/core"
+import { Portal, useTerminalDimensions } from "@opentui/solid"
+import { createSignal, onCleanup } from "solid-js"
+
+export function DiffFileMenu(props: {
+  context: Plugin.Context
+  state: { fileIndex: number; x: number; y: number }
+  reviewed: boolean
+  onToggle: () => void
+  onClose: () => void
+}) {
+  const dimensions = useTerminalDimensions()
+  const theme = props.context.theme.contextual.overlay
+  const [hovered, setHovered] = createSignal(false)
+  const label = () => (props.reviewed ? "Mark incomplete" : "Mark complete")
+  const width = () => Math.min(19, dimensions().width)
+  const run = () => {
+    props.onClose()
+    props.onToggle()
+  }
+  onCleanup(props.context.keymap.mode.push("menu"))
+  props.context.keymap.layer(() => ({
+    mode: "menu",
+    commands: [
+      { bind: "escape,ctrl+c", title: "Close file menu", group: "Diff", run: props.onClose },
+      { bind: "return", title: label(), group: "Diff", run },
+    ],
+  }))
+
+  return (
+    <Portal
+      ref={(container) => {
+        if (!(container instanceof BoxRenderable)) return
+        // Portal's wrapper must also escape root flow, not follow the full-height app.
+        container.position = "absolute"
+        container.left = 0
+        container.top = 0
+        container.zIndex = 2600
+      }}
+    >
+      <box
+        id="diff-file-menu-overlay"
+        position="absolute"
+        left={0}
+        top={0}
+        width={dimensions().width}
+        height={dimensions().height}
+        zIndex={2600}
+        onMouseDown={(event) => {
+          props.onClose()
+          event.preventDefault()
+          event.stopPropagation()
+        }}
+      >
+        <box
+          id="diff-file-menu"
+          position="absolute"
+          left={Math.max(0, Math.min(props.state.x, dimensions().width - width()))}
+          top={Math.max(0, Math.min(props.state.y + 1, dimensions().height - 1))}
+          width={width()}
+          height={1}
+          paddingLeft={1}
+          paddingRight={1}
+          backgroundColor={hovered() ? theme.background.action.primary.hovered : theme.background.default}
+          onMouseOver={() => setHovered(true)}
+          onMouseOut={() => setHovered(false)}
+          onMouseDown={(event) => {
+            if (event.button === MouseButton.RIGHT) props.onClose()
+            event.preventDefault()
+            event.stopPropagation()
+          }}
+          onMouseUp={(event) => {
+            event.preventDefault()
+            event.stopPropagation()
+            if (event.button === MouseButton.LEFT) run()
+          }}
+        >
+          <text fg={theme.text.default} selectable={false} wrapMode="none" truncate>
+            {label()}
+          </text>
+        </box>
+      </box>
+    </Portal>
+  )
+}

packages/tui/src/feature-plugins/system/diff-viewer.tsx

@@ -14,6 +14,7 @@ import { filetype } from "../../util/filetype"
 import { useRenderer, useTerminalDimensions } from "@opentui/solid"
 import { createEffect, createMemo, createResource, createSignal, For, Match, onCleanup, Show, Switch } from "solid-js"
 import { DiffViewerFileTree } from "./diff-viewer-file-tree"
+import { DiffFileMenu } from "./diff-viewer-file-menu"
 import { DiffViewerImage, isDiffImageFile } from "./diff-viewer-image"
 import { DialogSelect } from "../../ui/dialog-select"
 import { EmptyBorder } from "../../ui/border"
@@ -1076,76 +1077,6 @@ export function DiffViewerContent(props: {
   )
 }
 
-function DiffFileMenu(props: {
-  context: Plugin.Context
-  state: FileMenuState
-  reviewed: boolean
-  onToggle: () => void
-  onClose: () => void
-}) {
-  const dimensions = useTerminalDimensions()
-  const theme = props.context.theme.contextual.overlay
-  const [hovered, setHovered] = createSignal(false)
-  const label = () => (props.reviewed ? "Mark incomplete" : "Mark complete")
-  const run = () => {
-    props.onClose()
-    props.onToggle()
-  }
-  onCleanup(props.context.keymap.mode.push("menu"))
-  props.context.keymap.layer(() => ({
-    mode: "menu",
-    commands: [
-      { bind: "escape,ctrl+c", title: "Close file menu", group: "Diff", run: props.onClose },
-      { bind: "return", title: label(), group: "Diff", run },
-    ],
-  }))
-
-  return (
-    <box
-      id="diff-file-menu-overlay"
-      position="absolute"
-      left={0}
-      top={0}
-      width={dimensions().width}
-      height={dimensions().height}
-      zIndex={2600}
-      onMouseDown={(event) => {
-        props.onClose()
-        event.preventDefault()
-        event.stopPropagation()
-      }}
-    >
-      <box
-        id="diff-file-menu"
-        position="absolute"
-        left={Math.max(0, Math.min(props.state.x, dimensions().width - 19))}
-        top={Math.max(0, Math.min(props.state.y + 1, dimensions().height - 1))}
-        width={19}
-        height={1}
-        paddingLeft={1}
-        paddingRight={1}
-        backgroundColor={hovered() ? theme.background.action.primary.hovered : theme.background.default}
-        onMouseOver={() => setHovered(true)}
-        onMouseOut={() => setHovered(false)}
-        onMouseDown={(event) => {
-          if (event.button === MouseButton.RIGHT) props.onClose()
-          event.preventDefault()
-          event.stopPropagation()
-        }}
-        onMouseUp={(event) => {
-          event.preventDefault()
-          event.stopPropagation()
-          if (event.button === MouseButton.LEFT) run()
-        }}
-      >
-        <text fg={theme.text.default} selectable={false}>
-          {label()}
-        </text>
-      </box>
-    </box>
-  )
-}
-
 function DiffViewerHelpDialog(props: { context: Plugin.Context; single: boolean }) {
   const dimensions = useTerminalDimensions()
   const theme = props.context.theme.contextual.elevated

packages/tui/src/routes/session/form.tsx

@@ -48,6 +48,8 @@ export function FormPrompt(props: { form: FormWithLocation }) {
   const renderer = useRenderer()
   const dimensions = useTerminalDimensions()
   const keymap = Keymap.use()
+  const enabled = Keymap.useEnabled()
+  const active = () => enabled() && keymap.mode.current() === FORM_MODE
   const config = useConfig().data
   const clipboard = useClipboard()
   const toast = useToast()
@@ -68,6 +70,7 @@ export function FormPrompt(props: { form: FormWithLocation }) {
   })
 
   let textarea: TextareaRenderable | undefined
+  const [inputTarget, setInputTarget] = createSignal<TextareaRenderable>()
   let review: ScrollBoxRenderable | undefined
   let measureReview: (() => void) | undefined
 
@@ -216,9 +219,22 @@ export function FormPrompt(props: { form: FormWithLocation }) {
     if (measureReview) renderer.off(CliRenderEvents.FRAME, measureReview)
   })
 
+  // Refs publish after initialization so burst typing stays with the interceptor until the editor is ready.
+  createEffect(() => {
+    const target = inputTarget()
+    if (!target || target.isDestroyed) return
+    if (!active()) {
+      target.blur()
+      target.focusable = false
+      return
+    }
+    target.focusable = true
+    target.focus()
+  })
+
   onCleanup(
     keymap.intercept("key", ({ event, consume }) => {
-      if (keymap.mode.current() !== FORM_MODE) return
+      if (!active()) return
       if (textual() || !other() || (store.editing && renderer.currentFocusedEditor === textarea)) return
       if (event.ctrl || event.meta || event.option || event.super || event.hyper) return
       if ((!store.editing && event.sequence === " ") || !/^[^\p{C}\p{Zl}\p{Zp}]$/u.test(event.sequence)) return
@@ -328,7 +344,7 @@ export function FormPrompt(props: { form: FormWithLocation }) {
   }
 
   usePaste((event) => {
-    if (keymap.mode.current() !== FORM_MODE) return
+    if (!active()) return
     const value = stripAnsiSequences(decodePasteBytes(event.bytes)).replace(/\r\n?/g, "\n")
     if (store.editing && renderer.currentFocusedEditor === textarea) {
       textarea.insertText(value)
@@ -343,7 +359,7 @@ export function FormPrompt(props: { form: FormWithLocation }) {
     return clipboard
       .read()
       .then((content) => {
-        if (content?.mime !== "text/plain") return
+        if (!active() || content?.mime !== "text/plain") return
         const value = stripAnsiSequences(content.data).replace(/\r\n?/g, "\n")
         if (store.editing || textual()) {
           textarea?.insertText(value)
@@ -878,8 +894,9 @@ export function FormPrompt(props: { form: FormWithLocation }) {
                     textarea = val
                     val.traits = { status: "ANSWER" }
                     queueMicrotask(() => {
-                      val.focus()
+                      if (val.isDestroyed) return
                       val.gotoLineEnd()
+                      setInputTarget(val)
                     })
                   }}
                   initialValue={
@@ -1017,9 +1034,10 @@ export function FormPrompt(props: { form: FormWithLocation }) {
                               textarea = val
                               val.traits = { status: "ANSWER" }
                               queueMicrotask(() => {
+                                if (val.isDestroyed) return
                                 val.setText(input())
-                                val.focus()
                                 val.gotoLineEnd()
+                                setInputTarget(val)
                               })
                             }}
                             initialValue={input()}

packages/tui/src/routes/session/permission.tsx

@@ -288,6 +288,7 @@ function RejectPrompt(props: {
   onCancel: () => void
 }) {
   let input: TextareaRenderable
+  const enabled = Keymap.useEnabled()
   const theme = useTheme("elevated")
   const config = useConfig().data
   const dimensions = useTerminalDimensions()
@@ -364,7 +365,7 @@ function RejectPrompt(props: {
             }))(val)
             val.traits = { status: "REJECT" }
           }}
-          focused
+          focused={enabled()}
           textColor={theme.text.default}
           focusedTextColor={theme.text.default}
           cursorColor={theme.text.default}

packages/tui/test/cli/tui/diff-viewer-file-menu.test.tsx

@@ -0,0 +1,289 @@
+/** @jsxImportSource @opentui/solid */
+import type { Plugin } from "@opencode-ai/plugin/tui"
+import { MouseButton } from "@opentui/core"
+import { testRender } from "@opentui/solid"
+import { expect, test } from "bun:test"
+import { createSignal, Show } from "solid-js"
+import { Keymap } from "../../../src/context/keymap"
+import { DiffFileMenu } from "../../../src/feature-plugins/system/diff-viewer-file-menu"
+import { DEFAULT_THEMES, parseTheme, resolveThemeDocument } from "../../../src/theme"
+
+test.each(["dark", "light"] as const)(
+  "file menus escape an offset, narrower clipping pane in %s mode",
+  async (mode) => {
+    const menu = await renderFileMenu(mode)
+    try {
+      const pane = menu.app.renderer.root.findDescendantById("test-diff-pane")!
+      expect([pane.x, pane.y, pane.width]).toEqual([48, 4, 12])
+      expect(menu.app.renderer.currentFocusedRenderable).toBe(pane)
+      await menu.app.mockMouse.click(pane.x + 2, pane.y, MouseButton.RIGHT)
+      await menu.app.waitForFrame((frame) => frame.includes("Mark complete"))
+
+      const overlay = menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")!
+      const popup = menu.app.renderer.root.findDescendantById("diff-file-menu")!
+      expect([overlay.x, overlay.y, overlay.width, overlay.height]).toEqual([0, 0, 80, 20])
+      expect(overlay.parent?.parent).toBe(menu.app.renderer.root)
+      expect([popup.x, popup.y, popup.width, popup.height]).toEqual([50, 5, 19, 1])
+      expect(popup.x + popup.width).toBeGreaterThan(pane.x + pane.width)
+      expect(menu.app.captureCharFrame().split("\n")[5].indexOf("Mark complete")).toBe(51)
+      expect(menu.mode()).toBe("menu")
+      expect(menu.app.renderer.currentFocusedRenderable).toBe(pane)
+
+      const idle = menu.app.captureSpans().lines[popup.y].spans.find((span) => span.text.includes("Mark complete"))!
+      expect(idle.fg).toEqual(menu.theme.contextual.overlay.text.default)
+      expect(idle.bg).toEqual(menu.theme.contextual.overlay.background.default)
+
+      // The action remains clickable outside the clipping pane's right edge.
+      await menu.app.mockMouse.moveTo(pane.x + pane.width + 1, popup.y)
+      await menu.app.flush()
+      const hovered = menu.app.captureSpans().lines[popup.y].spans.find((span) => span.text.includes("Mark complete"))!
+      expect(hovered.bg).toEqual(menu.theme.contextual.overlay.background.action.primary.hovered)
+      await menu.app.mockMouse.moveTo(1, 1)
+      await menu.app.flush()
+      expect(
+        menu.app.captureSpans().lines[popup.y].spans.find((span) => span.text.includes("Mark complete"))!.bg,
+      ).toEqual(idle.bg)
+      await menu.app.mockMouse.click(pane.x + pane.width + 1, popup.y)
+      await menu.app.flush()
+      expect(menu.calls).toEqual(["close", "toggle"])
+      expect(menu.reviewed()).toBe(true)
+      expect(menu.mode()).toBe("base")
+      expect(menu.app.renderer.currentFocusedRenderable).toBe(pane)
+      expect(menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")).toBeUndefined()
+    } finally {
+      menu.app.renderer.destroy()
+    }
+  },
+)
+
+test("file menus clamp to screen edges and follow terminal resizes rather than pane bounds", async () => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(79, 19)
+    await menu.app.flush()
+    const popup = menu.app.renderer.root.findDescendantById("diff-file-menu")!
+    const overlay = menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")!
+    expect([popup.x, popup.y, popup.width, popup.height]).toEqual([61, 19, 19, 1])
+    expect(menu.app.captureCharFrame().split("\n")[19]).toContain("Mark complete")
+
+    menu.app.resize(64, 14)
+    await menu.app.flush()
+    expect([overlay.x, overlay.y, overlay.width, overlay.height]).toEqual([0, 0, 64, 14])
+    expect([popup.x, popup.y, popup.width, popup.height]).toEqual([45, 13, 19, 1])
+    expect(menu.app.captureCharFrame().split("\n")[13]).toContain("Mark complete")
+
+    menu.app.resize(12, 8)
+    await menu.app.flush()
+    expect([overlay.width, overlay.height]).toEqual([12, 8])
+    expect([popup.x, popup.y, popup.width, popup.height]).toEqual([0, 7, 12, 1])
+    expect(menu.app.captureCharFrame().split("\n")[7]).toContain("...")
+
+    menu.open(-3, -2)
+    await menu.app.flush()
+    const clamped = menu.app.renderer.root.findDescendantById("diff-file-menu")!
+    expect([clamped.x, clamped.y]).toEqual([0, 0])
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+test("clicking outside the pane dismisses its menu without activating the underlying control", async () => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(50, 4)
+    await menu.app.flush()
+    await menu.app.mockMouse.click(1, 1)
+    await menu.app.flush()
+    expect(menu.calls).toEqual(["close"])
+    expect(menu.mode()).toBe("base")
+    expect(menu.app.renderer.currentFocusedRenderable?.id).toBe("test-diff-pane")
+    expect(menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")).toBeUndefined()
+
+    await menu.app.mockMouse.click(1, 1)
+    expect(menu.calls).toEqual(["close", "outside"])
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+test.each(["escape", "ctrl+c"] as const)("%s dismisses only the file menu and restores pane commands", async (key) => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(50, 4)
+    await menu.app.flush()
+    menu.app.mockInput.pressKey("j")
+    await menu.app.flush()
+    expect(menu.calls).toEqual([])
+    if (key === "escape") menu.app.mockInput.pressEscape()
+    if (key === "ctrl+c") menu.app.mockInput.pressKey("c", { ctrl: true })
+    await menu.app.flush()
+    expect(menu.calls).toEqual(["close"])
+    expect(menu.mode()).toBe("base")
+    expect(menu.app.renderer.currentFocusedRenderable?.id).toBe("test-diff-pane")
+    expect(menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")).toBeUndefined()
+
+    menu.app.mockInput.pressKey("j")
+    expect(menu.calls).toEqual(["close", "pane"])
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+test("Enter toggles either review state after closing the menu and leaves no stale menu bindings", async () => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(50, 4)
+    await menu.app.waitForFrame((frame) => frame.includes("Mark complete"))
+    menu.app.mockInput.pressEnter()
+    await menu.app.flush()
+    expect(menu.reviewed()).toBe(true)
+    expect(menu.calls).toEqual(["close", "toggle"])
+    expect(menu.mode()).toBe("base")
+
+    menu.open(50, 4)
+    await menu.app.waitForFrame((frame) => frame.includes("Mark incomplete"))
+    menu.app.mockInput.pressEnter()
+    await menu.app.flush()
+    expect(menu.reviewed()).toBe(false)
+    expect(menu.calls).toEqual(["close", "toggle", "close", "toggle"])
+    expect(menu.mode()).toBe("base")
+    expect(menu.app.renderer.currentFocusedRenderable?.id).toBe("test-diff-pane")
+    expect(menu.app.renderer.root.findDescendantById("diff-file-menu-overlay")).toBeUndefined()
+
+    menu.app.mockInput.pressEnter()
+    expect(menu.calls).toEqual(["close", "toggle", "close", "toggle", "pane"])
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+test("right-clicking the menu dismisses without toggling", async () => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(50, 4)
+    await menu.app.flush()
+    await menu.app.mockMouse.click(51, 5, MouseButton.RIGHT)
+    await menu.app.flush()
+    expect(menu.calls).toEqual(["close"])
+    expect(menu.mode()).toBe("base")
+    expect(menu.reviewed()).toBe(false)
+    expect(menu.app.renderer.currentFocusedRenderable?.id).toBe("test-diff-pane")
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+test("portaling the menu leaves its mode and commands owned by the pane's keymap scope", async () => {
+  const menu = await renderFileMenu()
+  try {
+    menu.open(50, 4)
+    await menu.app.flush()
+    expect(menu.mode()).toBe("menu")
+
+    menu.setEnabled(false)
+    await menu.app.flush()
+    expect(menu.mode()).toBe("base")
+    menu.app.mockInput.pressEnter()
+    menu.app.mockInput.pressEscape()
+    await menu.app.flush()
+    expect(menu.calls).toEqual([])
+    expect(menu.app.renderer.root.findDescendantById("diff-file-menu")).toBeDefined()
+
+    menu.setEnabled(true)
+    await menu.app.flush()
+    expect(menu.mode()).toBe("menu")
+    menu.app.mockInput.pressEnter()
+    await menu.app.flush()
+    expect(menu.calls).toEqual(["close", "toggle"])
+    expect(menu.mode()).toBe("base")
+  } finally {
+    menu.app.renderer.destroy()
+  }
+})
+
+async function renderFileMenu(mode: "dark" | "light" = "dark") {
+  const theme = resolveThemeDocument(parseTheme(DEFAULT_THEMES.opencode), mode)
+  const calls: string[] = []
+  const [state, setState] = createSignal<{ fileIndex: number; x: number; y: number }>()
+  const [reviewed, setReviewed] = createSignal(false)
+  const [enabled, setEnabled] = createSignal(true)
+  const open = (x: number, y: number) => setState({ fileIndex: 0, x, y })
+  let currentMode = () => "base"
+
+  function Harness() {
+    const keymap = Keymap.use()
+    currentMode = keymap.mode.current
+    const context: Pick<Plugin.Context, "theme" | "keymap"> = {
+      theme,
+      keymap: {
+        layer: Keymap.createLayer,
+        dispatch: keymap.dispatch,
+        shortcuts: Keymap.useShortcuts().list,
+        ...Keymap.useState(),
+        mode: keymap.mode,
+      },
+    }
+    Keymap.createLayer(() => ({
+      commands: [{ bind: "escape,ctrl+c,return,j", title: "Pane command", run: () => void calls.push("pane") }],
+    }))
+    return (
+      <box width="100%" height="100%" backgroundColor={theme.background.default}>
+        <box position="absolute" left={0} top={0} width={20} height={3} onMouseDown={() => calls.push("outside")}>
+          <text>Other pane</text>
+        </box>
+        <box
+          id="test-diff-pane"
+          position="absolute"
+          left={48}
+          top={4}
+          width={12}
+          height={6}
+          overflow="hidden"
+          focusable
+          focused
+        >
+          <text
+            onMouseDown={(event) => {
+              if (event.button !== MouseButton.RIGHT) return
+              open(event.x, event.y)
+              event.preventDefault()
+              event.stopPropagation()
+            }}
+          >
+            file.txt
+          </text>
+          <Show when={state()} keyed>
+            {(state) => (
+              <DiffFileMenu
+                context={context as Plugin.Context}
+                state={state}
+                reviewed={reviewed()}
+                onClose={() => {
+                  calls.push("close")
+                  setState(undefined)
+                }}
+                onToggle={() => {
+                  calls.push("toggle")
+                  setReviewed((value) => !value)
+                }}
+              />
+            )}
+          </Show>
+        </box>
+      </box>
+    )
+  }
+
+  const app = await testRender(
+    () => (
+      <Keymap.Provider config={{ keybinds: { get: () => [] } }}>
+        <Keymap.Scope enabled={enabled()}>
+          <Harness />
+        </Keymap.Scope>
+      </Keymap.Provider>
+    ),
+    { width: 80, height: 20, kittyKeyboard: true },
+  )
+  await app.flush()
+  return { app, calls, theme, open, reviewed, setEnabled, mode: () => currentMode() }
+}

packages/tui/test/cli/tui/input-scope.test.tsx

@@ -0,0 +1,278 @@
+/** @jsxImportSource @opentui/solid */
+import type { PermissionRequest } from "@opencode-ai/client"
+import type { TextareaRenderable } from "@opentui/core"
+import { testRender, type JSX } from "@opentui/solid"
+import { expect, test } from "bun:test"
+import { createSignal, onMount } from "solid-js"
+import { ConfigProvider } from "../../../src/config"
+import { ClientProvider } from "../../../src/context/client"
+import { DataProvider, useData, type FormWithLocation } from "../../../src/context/data"
+import { Keymap } from "../../../src/context/keymap"
+import { LocationProvider } from "../../../src/context/location"
+import { ThemeProvider } from "../../../src/context/theme"
+import { FormPrompt, FORM_MODE } from "../../../src/routes/session/form"
+import { PermissionPrompt } from "../../../src/routes/session/permission"
+import { ToastProvider } from "../../../src/ui/toast"
+import { emptyThemeSource, tmpdir } from "../../fixture/fixture"
+import { createApi, createEventStream, createFetch, json } from "../../fixture/tui-client"
+import { TestTuiContexts } from "../../fixture/tui-environment"
+import { createTuiResolvedConfig } from "../../fixture/tui-runtime"
+
+async function mountPanes(root: string, render: () => JSX.Element, parentID?: string) {
+  const [active, setActive] = createSignal(false)
+  const replies: unknown[] = []
+  const cancellations: string[] = []
+  const submissions: string[] = []
+  const ready = Promise.withResolvers<void>()
+  let peer!: TextareaRenderable
+  let keymap!: Keymap
+  const transport = createFetch((url, request) => {
+    if (url.pathname === "/api/session/ses_scoped")
+      return json({
+        data: {
+          id: "ses_scoped",
+          parentID,
+          title: "Scoped session",
+          projectID: "proj_test",
+          location: { directory: root },
+          cost: 0,
+          tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
+          time: { created: 0, updated: 0 },
+        },
+      })
+    if (url.pathname.endsWith("/reply"))
+      return request.json().then((body) => {
+        replies.push(body)
+        return new Response(null, { status: 204 })
+      })
+    if (url.pathname.endsWith("/cancel")) {
+      cancellations.push(url.pathname)
+      return new Response(null, { status: 204 })
+    }
+  }, createEventStream())
+
+  function Panes() {
+    const data = useData()
+    keymap = Keymap.use()
+    onMount(() => void data.session.sync("ses_scoped").then(ready.resolve, ready.reject))
+    return (
+      <box>
+        <Keymap.Scope enabled={!active()}>
+          <textarea
+            ref={(value) => (peer = value)}
+            focused={!active()}
+            initialValue="peer"
+            onSubmit={() => submissions.push(peer.plainText)}
+          />
+        </Keymap.Scope>
+        <Keymap.Scope enabled={active()}>{render()}</Keymap.Scope>
+      </box>
+    )
+  }
+
+  const app = await testRender(
+    () => (
+      <TestTuiContexts directory={root} paths={{ home: root, state: root, worktree: root }}>
+        <ConfigProvider config={createTuiResolvedConfig({ animations: false })}>
+          <Keymap.Provider>
+            <ClientProvider api={createApi(transport.fetch)}>
+              <DataProvider directory={root}>
+                <LocationProvider>
+                  <ThemeProvider mode="dark" source={emptyThemeSource}>
+                    <ToastProvider>
+                      <Panes />
+                    </ToastProvider>
+                  </ThemeProvider>
+                </LocationProvider>
+              </DataProvider>
+            </ClientProvider>
+          </Keymap.Provider>
+        </ConfigProvider>
+      </TestTuiContexts>
+    ),
+    { width: 90, height: 24, kittyKeyboard: true },
+  )
+  app.renderer.start()
+  await ready.promise
+  await app.renderOnce()
+  return { app, setActive, replies, cancellations, submissions, peer, keymap }
+}
+
+function form(fields: FormWithLocation["fields"]): FormWithLocation {
+  return { id: "frm_scoped", sessionID: "ses_scoped", title: "Scoped form", fields }
+}
+
+const request = {
+  id: "per_scoped",
+  sessionID: "ses_scoped",
+  action: "shell",
+  resources: ["echo scoped"],
+} satisfies PermissionRequest
+
+test("an inactive form leaves Enter, navigation, and paste with the focused peer", async () => {
+  await using tmp = await tmpdir()
+  const panes = await mountPanes(tmp.path, () => (
+    <FormPrompt
+      form={form([
+        {
+          key: "target",
+          type: "string",
+          options: [
+            { value: "staging", label: "Staging" },
+            { value: "production", label: "Production" },
+          ],
+        },
+      ])}
+    />
+  ))
+  try {
+    expect(panes.keymap.mode.current()).toBe("base")
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    panes.app.mockInput.pressEnter()
+    panes.app.mockInput.pressArrow("down")
+    panes.app.mockInput.pressKey("2")
+    panes.app.mockInput.pressEscape()
+    await panes.app.mockInput.pasteBracketedText(" pasted")
+    expect(panes.submissions).toEqual(["peer"])
+    expect(panes.peer.plainText).toContain("pasted")
+    expect(panes.replies).toEqual([])
+    expect(panes.cancellations).toEqual([])
+
+    panes.setActive(true)
+    expect(panes.keymap.mode.current()).toBe(FORM_MODE)
+    panes.app.mockInput.pressEnter()
+    await panes.app.waitFor(() => panes.replies.length === 1)
+    expect(panes.replies).toEqual([{ answer: { target: "staging" } }])
+  } finally {
+    panes.app.renderer.destroy()
+  }
+})
+
+test("a form textarea mounts inactive and restores its draft focus after scope and modal changes", async () => {
+  await using tmp = await tmpdir()
+  const panes = await mountPanes(tmp.path, () => <FormPrompt form={form([{ key: "notes", type: "string" }])} />)
+  try {
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    panes.setActive(true)
+    const input = panes.app.renderer.currentFocusedEditor
+    expect(input).not.toBeNull()
+    expect(input?.id).not.toBe(panes.peer.id)
+    await panes.app.mockInput.typeText("draft answer")
+
+    const pop = panes.keymap.mode.push("modal")
+    expect(panes.app.renderer.currentFocusedEditor).toBeNull()
+    panes.setActive(false)
+    panes.setActive(true)
+    expect(panes.keymap.mode.current()).toBe("modal")
+    expect(panes.app.renderer.currentFocusedEditor).toBeNull()
+    pop()
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(input?.id)
+
+    panes.setActive(false)
+    input?.focus()
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    await panes.app.mockInput.typeText(" other")
+    await panes.app.mockInput.pasteBracketedText(" pane")
+    panes.app.mockInput.pressEnter()
+    expect(panes.submissions).toHaveLength(1)
+    expect(input?.plainText).toBe("draft answer")
+    expect(panes.replies).toEqual([])
+
+    panes.setActive(true)
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(input?.id)
+    panes.app.mockInput.pressEnter()
+    panes.app.mockInput.pressEnter()
+    await panes.app.waitFor(() => panes.replies.length === 1)
+    expect(panes.replies).toEqual([{ answer: { notes: "draft answer" } }])
+  } finally {
+    panes.app.renderer.destroy()
+  }
+})
+
+test("inactive custom forms cannot intercept a peer using the same form mode", async () => {
+  await using tmp = await tmpdir()
+  const panes = await mountPanes(tmp.path, () => (
+    <FormPrompt
+      form={form([{ key: "target", type: "string", options: [{ value: "staging", label: "Staging" }], custom: true }])}
+    />
+  ))
+  try {
+    panes.setActive(true)
+    panes.app.mockInput.pressArrow("down")
+    panes.setActive(false)
+    const pop = panes.keymap.mode.push(FORM_MODE)
+    await panes.app.mockInput.typeText(" typed")
+    await panes.app.mockInput.pasteBracketedText(" pasted")
+    panes.app.mockInput.pressEnter()
+    await panes.app.renderOnce()
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    expect(panes.submissions).toHaveLength(1)
+    expect(panes.peer.plainText).toContain("typed")
+    expect(panes.peer.plainText).toContain("pasted")
+    expect(panes.app.captureCharFrame()).toContain("Type your own answer")
+    expect(panes.replies).toEqual([])
+    pop()
+
+    panes.setActive(true)
+    await panes.app.mockInput.typeText("production target")
+    await panes.app.waitFor(() => panes.app.renderer.currentFocusedEditor?.plainText === "production target")
+    panes.setActive(false)
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    panes.setActive(true)
+    expect(panes.app.renderer.currentFocusedEditor?.plainText).toBe("production target")
+    panes.app.mockInput.pressEnter()
+    await panes.app.waitFor(() => panes.replies.length === 1)
+    expect(panes.replies).toEqual([{ answer: { target: "production target" } }])
+  } finally {
+    panes.app.renderer.destroy()
+  }
+})
+
+test("permission layers leave the focused peer's Enter and navigation alone until activated", async () => {
+  await using tmp = await tmpdir()
+  const panes = await mountPanes(tmp.path, () => <PermissionPrompt request={request} />)
+  try {
+    panes.app.mockInput.pressEnter()
+    panes.app.mockInput.pressArrow("right")
+    panes.app.mockInput.pressEscape()
+    expect(panes.submissions).toEqual(["peer"])
+    expect(panes.replies).toEqual([])
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+
+    panes.setActive(true)
+    panes.app.mockInput.pressEnter()
+    await panes.app.waitFor(() => panes.replies.length === 1)
+    expect(panes.replies).toEqual([{ reply: "once" }])
+    expect(panes.submissions).toHaveLength(1)
+  } finally {
+    panes.app.renderer.destroy()
+  }
+})
+
+test("permission rejection text keeps its draft and regains focus when its scope resumes", async () => {
+  await using tmp = await tmpdir()
+  const panes = await mountPanes(tmp.path, () => <PermissionPrompt request={request} />, "ses_parent")
+  try {
+    panes.setActive(true)
+    panes.app.mockInput.pressEscape()
+    await panes.app.waitForFrame((frame) => frame.includes("Reject permission"))
+    const input = panes.app.renderer.currentFocusedEditor
+    expect(input).not.toBeNull()
+    await panes.app.mockInput.typeText("choose another command")
+
+    panes.setActive(false)
+    panes.app.mockInput.pressEnter()
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(panes.peer.id)
+    expect(panes.submissions).toEqual(["peer"])
+    expect(panes.replies).toEqual([])
+    expect(input?.plainText).toBe("choose another command")
+
+    panes.setActive(true)
+    expect(panes.app.renderer.currentFocusedEditor?.id).toBe(input?.id)
+    panes.app.mockInput.pressEnter()
+    await panes.app.waitFor(() => panes.replies.length === 1)
+    expect(panes.replies).toEqual([{ reply: "reject", message: "choose another command" }])
+  } finally {
+    panes.app.renderer.destroy()
+  }
+})

packages/tui/test/keymap-scope.test.tsx

@@ -0,0 +1,270 @@
+/** @jsxImportSource @opentui/solid */
+import { testRender } from "@opentui/solid"
+import { expect, test } from "bun:test"
+import { createSignal, onCleanup, onMount, Show } from "solid-js"
+import { Keymap } from "../src/context/keymap"
+
+const config = { keybinds: { get: () => [] } }
+
+test("disabled scopes isolate named, inline, and global layers without disabling application commands", async () => {
+  const calls: string[] = []
+  const [enabled, setEnabled] = createSignal(false)
+  let keymap!: Keymap
+
+  function Scoped() {
+    Keymap.createLayer(() => ({
+      commands: [
+        { id: "scoped.submit", bind: "return", run: () => void calls.push("submit") },
+        { bind: "j", run: () => void calls.push("inline") },
+      ],
+    }))
+    Keymap.createLayer(() => ({
+      mode: "global",
+      commands: [{ id: "scoped.global", bind: "g", run: () => void calls.push("scoped global") }],
+    }))
+    return null
+  }
+
+  function Harness() {
+    keymap = Keymap.use()
+    Keymap.createLayer(() => ({
+      mode: "global",
+      commands: [{ id: "app.global", bind: "x", run: () => void calls.push("app global") }],
+    }))
+    return (
+      <Keymap.Scope enabled={enabled()}>
+        <Scoped />
+      </Keymap.Scope>
+    )
+  }
+
+  const app = await testRender(() => (
+    <Keymap.Provider config={config}>
+      <Harness />
+    </Keymap.Provider>
+  ))
+  try {
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("j")
+    app.mockInput.pressKey("g")
+    keymap.dispatch("scoped.submit")
+    keymap.dispatch("scoped.global")
+    app.mockInput.pressKey("x")
+    expect(calls).toEqual(["app global"])
+
+    setEnabled(true)
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("j")
+    app.mockInput.pressKey("g")
+    expect(calls).toEqual(["app global", "submit", "inline", "scoped global"])
+
+    const pop = keymap.mode.push("modal")
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+    app.mockInput.pressKey("x")
+    expect(calls.slice(4)).toEqual(["scoped global", "app global"])
+
+    setEnabled(false)
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+    app.mockInput.pressKey("x")
+    expect(calls.slice(6)).toEqual(["app global"])
+    pop()
+  } finally {
+    app.renderer.destroy()
+  }
+})
+
+test("nested scopes conjoin ancestors and retain dispatch-time layer predicates", async () => {
+  const calls: string[] = []
+  const [parent, setParent] = createSignal(false)
+  const [child, setChild] = createSignal(true)
+  const [layer, setLayer] = createSignal(true)
+  let allowed = true
+  let read!: () => boolean
+  let unscoped!: () => boolean
+
+  function Scoped() {
+    read = Keymap.useEnabled()
+    Keymap.createLayer(() => ({
+      enabled: layer(),
+      commands: [{ bind: "return", run: () => void calls.push("boolean") }],
+    }))
+    Keymap.createLayer(() => ({
+      mode: "global",
+      enabled: () => allowed,
+      commands: [{ bind: "g", run: () => void calls.push("predicate") }],
+    }))
+    return null
+  }
+
+  function Harness() {
+    unscoped = Keymap.useEnabled()
+    return (
+      <Keymap.Scope enabled={parent()}>
+        <Keymap.Scope enabled={child()}>
+          <Scoped />
+        </Keymap.Scope>
+      </Keymap.Scope>
+    )
+  }
+
+  const app = await testRender(() => (
+    <Keymap.Provider config={config}>
+      <Harness />
+    </Keymap.Provider>
+  ))
+  try {
+    expect(unscoped()).toBe(true)
+    expect(read()).toBe(false)
+    app.mockInput.pressEnter()
+    setParent(true)
+    expect(read()).toBe(true)
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+
+    allowed = false
+    app.mockInput.pressKey("g")
+    setLayer(false)
+    app.mockInput.pressEnter()
+    expect(calls).toEqual(["boolean", "predicate"])
+
+    setChild(false)
+    setLayer(true)
+    allowed = true
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+    expect(read()).toBe(false)
+    setParent(false)
+    setChild(true)
+    expect(read()).toBe(false)
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+    expect(calls).toEqual(["boolean", "predicate"])
+
+    setParent(true)
+    expect(read()).toBe(true)
+    app.mockInput.pressEnter()
+    app.mockInput.pressKey("g")
+    expect(calls).toEqual(["boolean", "predicate", "boolean", "predicate"])
+  } finally {
+    app.renderer.destroy()
+  }
+})
+
+test("ownerless mode pushes suspend and resume in their captured scope without changing stack order", async () => {
+  const [enabled, setEnabled] = createSignal(false)
+  const calls: string[] = []
+  let scoped!: Keymap
+  let global!: Keymap
+
+  function Scoped() {
+    scoped = Keymap.use()
+    Keymap.createLayer(() => ({
+      mode: "form",
+      commands: [{ bind: "return", run: () => void calls.push("form") }],
+    }))
+    Keymap.createLayer(() => ({
+      mode: "menu",
+      commands: [{ bind: "return", run: () => void calls.push("menu") }],
+    }))
+    return null
+  }
+
+  function Harness() {
+    global = Keymap.use()
+    return (
+      <Keymap.Scope enabled={enabled()}>
+        <Scoped />
+      </Keymap.Scope>
+    )
+  }
+
+  const app = await testRender(() => (
+    <Keymap.Provider config={config}>
+      <Harness />
+    </Keymap.Provider>
+  ))
+  try {
+    const form = scoped.mode.push("form")
+    expect(global.mode.current()).toBe("base")
+    app.mockInput.pressEnter()
+    const modal = global.mode.push("modal")
+    setEnabled(true)
+    expect(global.mode.current()).toBe("modal")
+    app.mockInput.pressEnter()
+    modal()
+    expect(global.mode.current()).toBe("form")
+    app.mockInput.pressEnter()
+    expect(calls).toEqual(["form"])
+
+    setEnabled(false)
+    expect(global.mode.current()).toBe("base")
+    const menu = scoped.mode.push("menu")
+    form()
+    expect(global.mode.current()).toBe("base")
+    setEnabled(true)
+    expect(global.mode.current()).toBe("menu")
+    app.mockInput.pressEnter()
+    expect(calls).toEqual(["form", "menu"])
+    menu()
+    expect(global.mode.current()).toBe("base")
+    setEnabled(false)
+    setEnabled(true)
+    expect(global.mode.current()).toBe("base")
+    app.mockInput.pressEnter()
+    expect(calls).toEqual(["form", "menu"])
+  } finally {
+    app.renderer.destroy()
+  }
+})
+
+test("forwarded keymaps push modes in the calling component's nested scope and clean up while inactive", async () => {
+  const [enabled, setEnabled] = createSignal(false)
+  const [nested, setNested] = createSignal(true)
+  const [mounted, setMounted] = createSignal(true)
+  let global!: Keymap
+
+  function Scoped(props: { keymap: Keymap }) {
+    onMount(() => onCleanup(props.keymap.mode.push("menu")))
+    return null
+  }
+
+  function Harness() {
+    global = Keymap.use()
+    return (
+      <Keymap.Scope enabled={enabled()}>
+        <Keymap.Scope enabled={nested()}>
+          <Show when={mounted()}>
+            <Scoped keymap={global} />
+          </Show>
+        </Keymap.Scope>
+      </Keymap.Scope>
+    )
+  }
+
+  const app = await testRender(() => (
+    <Keymap.Provider config={config}>
+      <Harness />
+    </Keymap.Provider>
+  ))
+  try {
+    expect(global.mode.current()).toBe("base")
+    setEnabled(true)
+    expect(global.mode.current()).toBe("menu")
+    setNested(false)
+    expect(global.mode.current()).toBe("base")
+    setNested(true)
+    expect(global.mode.current()).toBe("menu")
+    setEnabled(false)
+    setMounted(false)
+    setEnabled(true)
+    expect(global.mode.current()).toBe("base")
+    setMounted(true)
+    expect(global.mode.current()).toBe("menu")
+    setMounted(false)
+    expect(global.mode.current()).toBe("base")
+  } finally {
+    app.renderer.destroy()
+  }
+})