diff --git a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
index 747c61fd0b..d0f605eeff 100644
--- a/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/component/prompt/index.tsx
@@ -37,6 +37,8 @@ import { useKV } from "../../context/kv"
 import { useTextareaKeybindings } from "../textarea-keybindings"
 import { DialogSkill } from "../dialog-skill"
 
+const EXIT_CONFIRM_MS = 3000
+
 export type PromptProps = {
   sessionID?: string
   workspaceID?: string
@@ -95,8 +97,28 @@ export function Prompt(props: PromptProps) {
   const list = createMemo(() => props.placeholders?.normal ?? [])
   const shell = createMemo(() => props.placeholders?.shell ?? [])
   const [auto, setAuto] = createSignal<AutocompleteRef>()
+  const [exitConfirmArmed, setExitConfirmArmed] = createSignal(false)
+  const [exitPending, setExitPending] = createSignal(false)
   const currentProviderLabel = createMemo(() => local.model.parsed().provider)
   const hasRightContent = createMemo(() => Boolean(props.right))
+  let exitConfirmTimeout: ReturnType<typeof setTimeout> | undefined
+
+  const clearExitConfirm = () => {
+    setExitConfirmArmed(false)
+    if (exitConfirmTimeout) {
+      clearTimeout(exitConfirmTimeout)
+      exitConfirmTimeout = undefined
+    }
+  }
+
+  const armExitConfirm = () => {
+    setExitConfirmArmed(true)
+    if (exitConfirmTimeout) clearTimeout(exitConfirmTimeout)
+    exitConfirmTimeout = setTimeout(() => {
+      setExitConfirmArmed(false)
+      exitConfirmTimeout = undefined
+    }, EXIT_CONFIRM_MS)
+  }
 
   function promptModelWarning() {
     toast.show({
@@ -429,6 +451,7 @@ export function Prompt(props: PromptProps) {
   }
 
   onCleanup(() => {
+    clearExitConfirm()
     props.ref?.(undefined)
   })
 
@@ -919,6 +942,13 @@ export function Prompt(props: PromptProps) {
                   e.preventDefault()
                   return
                 }
+                if (exitPending()) {
+                  e.preventDefault()
+                  return
+                }
+                if (exitConfirmArmed() && !keybind.match("app_exit", e)) {
+                  clearExitConfirm()
+                }
                 // Check clipboard for images before terminal-handled paste runs.
                 // This helps terminals that forward Ctrl+V to the app; Windows
                 // Terminal 1.25+ usually handles Ctrl+V before this path.
@@ -936,6 +966,7 @@ export function Prompt(props: PromptProps) {
                   // If no image, let the default paste behavior continue
                 }
                 if (keybind.match("input_clear", e) && store.prompt.input !== "") {
+                  clearExitConfirm()
                   input.clear()
                   input.extmarks.clear()
                   setStore("prompt", {
@@ -947,9 +978,15 @@ export function Prompt(props: PromptProps) {
                 }
                 if (keybind.match("app_exit", e)) {
                   if (store.prompt.input === "") {
-                    await exit()
-                    // Don't preventDefault - let textarea potentially handle the event
                     e.preventDefault()
+                    if (exitConfirmArmed()) {
+                      clearExitConfirm()
+                      setExitPending(true)
+                      await exit()
+                      return
+                    }
+
+                    armExitConfirm()
                     return
                   }
                 }
@@ -1144,7 +1181,20 @@ export function Prompt(props: PromptProps) {
           />
         </box>
         <box width="100%" flexDirection="row" justifyContent="space-between">
-          <Show when={status().type !== "idle"} fallback={props.hint ?? <text />}>
+          <Show
+            when={status().type !== "idle"}
+            fallback={
+              <Show
+                when={exitConfirmArmed()}
+                fallback={props.hint ?? <text />}
+                children={
+                  <text fg={theme.warning}>
+                    {keybind.print("app_exit")} <span style={{ fg: theme.textMuted }}>again to exit</span>
+                  </text>
+                }
+              />
+            }
+          >
             <box
               flexDirection="row"
               gap={1}
diff --git a/packages/opencode/src/cli/cmd/tui/context/exit.tsx b/packages/opencode/src/cli/cmd/tui/context/exit.tsx
index 205025f867..3b3ccf9197 100644
--- a/packages/opencode/src/cli/cmd/tui/context/exit.tsx
+++ b/packages/opencode/src/cli/cmd/tui/context/exit.tsx
@@ -36,6 +36,16 @@ export const { use: useExit, provider: ExitProvider } = createSimpleContext({
           await input.onBeforeExit?.()
           // Reset window title before destroying renderer
           renderer.setTerminalTitle("")
+          // Disable mouse tracking synchronously before destroy.
+          // renderer.destroy() may defer native cleanup when called during a
+          // render frame, so we also register a process 'exit' handler as a
+          // last-resort safeguard that runs right before the process terminates.
+          const MOUSE_RESET =
+            "\x1b[?1003l" + // disable any-event mouse tracking
+            "\x1b[?1006l" + // disable SGR mouse mode
+            "\x1b[?1000l" + // disable normal mouse tracking
+            "\x1b[?25h" // show cursor
+          process.stdout.write(MOUSE_RESET)
           renderer.destroy()
           win32FlushInputBuffer()
           if (reason) {
@@ -55,6 +65,16 @@ export const { use: useExit, provider: ExitProvider } = createSimpleContext({
       },
     )
     process.on("SIGHUP", () => exit())
+    // Last-resort: if process.exit() fires before renderer cleanup finishes,
+    // 'exit' event still runs synchronously and can write terminal reset sequences.
+    process.on("exit", () => {
+      process.stdout.write(
+        "\x1b[?1003l" + // disable any-event mouse tracking
+          "\x1b[?1006l" + // disable SGR mouse mode
+          "\x1b[?1000l" + // disable normal mouse tracking
+          "\x1b[?25h", // show cursor
+      )
+    })
     return exit
   },
 })
diff --git a/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx b/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
index 396d756301..5c287b38b4 100644
--- a/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
+++ b/packages/opencode/src/cli/cmd/tui/routes/session/index.tsx
@@ -7,6 +7,7 @@ import {
   For,
   Match,
   on,
+  onCleanup,
   onMount,
   Show,
   Switch,
@@ -84,6 +85,8 @@ import { useTuiConfig } from "../../context/tui-config"
 import { getScrollAcceleration } from "../../util/scroll"
 import { TuiPluginRuntime } from "../../plugin"
 
+const EXIT_CONFIRM_MS = 3000
+
 addDefaultParsers(parsers.parsers)
 
 const context = createContext<{
@@ -217,9 +220,32 @@ export function Session() {
   const keybind = useKeybind()
   const dialog = useDialog()
   const renderer = useRenderer()
+  const [exitConfirmArmed, setExitConfirmArmed] = createSignal(false)
+  const [exitPending, setExitPending] = createSignal(false)
+  let exitConfirmTimeout: ReturnType<typeof setTimeout> | undefined
 
   // Allow exit when in child session (prompt is hidden)
   const exit = useExit()
+  const clearExitConfirm = () => {
+    setExitConfirmArmed(false)
+    if (exitConfirmTimeout) {
+      clearTimeout(exitConfirmTimeout)
+      exitConfirmTimeout = undefined
+    }
+  }
+
+  const armExitConfirm = () => {
+    setExitConfirmArmed(true)
+    if (exitConfirmTimeout) clearTimeout(exitConfirmTimeout)
+    exitConfirmTimeout = setTimeout(() => {
+      setExitConfirmArmed(false)
+      exitConfirmTimeout = undefined
+    }, EXIT_CONFIRM_MS)
+  }
+
+  onCleanup(() => {
+    clearExitConfirm()
+  })
 
   createEffect(() => {
     const title = Locale.truncate(session()?.title ?? "", 50)
@@ -242,8 +268,28 @@ export function Session() {
 
   useKeyboard((evt) => {
     if (!session()?.parentID) return
+    if (exitPending()) {
+      evt.preventDefault()
+      return
+    }
+    if (exitConfirmArmed() && !keybind.match("app_exit", evt)) {
+      clearExitConfirm()
+    }
     if (keybind.match("app_exit", evt)) {
-      exit()
+      evt.preventDefault()
+      if (exitConfirmArmed()) {
+        clearExitConfirm()
+        setExitPending(true)
+        exit()
+        return
+      }
+
+      armExitConfirm()
+      toast.show({
+        message: `Press ${keybind.print("app_exit")} again to exit`,
+        variant: "info",
+        duration: EXIT_CONFIRM_MS,
+      })
     }
   })
 
diff --git a/packages/opencode/src/cli/cmd/tui/win32.ts b/packages/opencode/src/cli/cmd/tui/win32.ts
index 23e9f44857..3ceb5b171d 100644
--- a/packages/opencode/src/cli/cmd/tui/win32.ts
+++ b/packages/opencode/src/cli/cmd/tui/win32.ts
@@ -108,7 +108,7 @@ export function win32InstallCtrlCGuard() {
   // Ensure it's cleared immediately too (covers any earlier mode changes).
   later()
 
-  const interval = setInterval(enforce, 100)
+  const interval = setInterval(enforce, 16)
   interval.unref()
 
   let done = false