diff --git a/packages/opencode/src/cli/cmd/tui/app.tsx b/packages/opencode/src/cli/cmd/tui/app.tsx
index 0507c6f0240..8362d3bdd9c 100644
--- a/packages/opencode/src/cli/cmd/tui/app.tsx
+++ b/packages/opencode/src/cli/cmd/tui/app.tsx
@@ -63,6 +63,7 @@ import { TuiConfigProvider, useTuiConfig } from "./context/tui-config"
 import { TuiConfig } from "@/config/tui"
 import { createTuiApi, TuiPluginRuntime, type RouteMap } from "./plugin"
 import { FormatError, FormatUnknownError } from "@/cli/error"
+import { resetTerminalState } from "@tui/util/terminal" // kilocode_change
 
 async function getTerminalBackgroundColor(): Promise<"dark" | "light"> {
   // can't set raw mode if not a TTY
@@ -197,6 +198,9 @@ export function tui(input: {
       await TuiPluginRuntime.dispose()
     }
 
+    // kilocode_change - safety net: ensure mouse tracking is disabled regardless of exit path
+    process.on("exit", resetTerminalState) // kilocode_change
+
     const renderer = await createCliRenderer(rendererConfig(input.config))
 
     await render(() => {
@@ -1010,6 +1014,8 @@ function ErrorComponent(props: {
     renderer?.setTerminalTitle("")
     renderer?.destroy()
     win32FlushInputBuffer()
+    // kilocode_change - reset terminal state to disable mouse tracking on exit
+    resetTerminalState()
     await props.onExit()
   }
 
diff --git a/packages/opencode/src/cli/cmd/tui/context/exit.tsx b/packages/opencode/src/cli/cmd/tui/context/exit.tsx
index 205025f867d..4f0c5eae0b2 100644
--- a/packages/opencode/src/cli/cmd/tui/context/exit.tsx
+++ b/packages/opencode/src/cli/cmd/tui/context/exit.tsx
@@ -2,6 +2,7 @@ import { useRenderer } from "@opentui/solid"
 import { createSimpleContext } from "./helper"
 import { FormatError, FormatUnknownError } from "@/cli/error"
 import { win32FlushInputBuffer } from "../win32"
+import { resetTerminalState } from "@tui/util/terminal" // kilocode_change
 type Exit = ((reason?: unknown) => Promise<void>) & {
   message: {
     set: (value?: string) => () => void
@@ -38,6 +39,7 @@ export const { use: useExit, provider: ExitProvider } = createSimpleContext({
           renderer.setTerminalTitle("")
           renderer.destroy()
           win32FlushInputBuffer()
+          resetTerminalState() // kilocode_change
           if (reason) {
             const formatted = FormatError(reason) ?? FormatUnknownError(reason)
             if (formatted) {
diff --git a/packages/opencode/src/cli/cmd/tui/util/terminal.ts b/packages/opencode/src/cli/cmd/tui/util/terminal.ts
index 2b81068b3f9..a2e289b3e64 100644
--- a/packages/opencode/src/cli/cmd/tui/util/terminal.ts
+++ b/packages/opencode/src/cli/cmd/tui/util/terminal.ts
@@ -1,5 +1,29 @@
 import { RGBA } from "@opentui/core"
 
+// kilocode_change start
+/**
+ * Write escape sequences to disable all mouse tracking modes and reset terminal state.
+ * This is a safety net to ensure the terminal is clean after exit, even if the renderer's
+ * cleanup didn't flush properly (e.g. on Windows).
+ */
+export function resetTerminalState() {
+  const sequences = [
+    "\x1b[?1000l", // disable normal mouse tracking
+    "\x1b[?1002l", // disable button-event mouse tracking
+    "\x1b[?1003l", // disable any-event mouse tracking (all movement)
+    "\x1b[?1006l", // disable SGR extended mouse mode
+    "\x1b[?1015l", // disable RXVT mouse mode
+    "\x1b[<u", // pop/disable Kitty keyboard protocol
+    "\x1b[0m", // reset text attributes
+  ]
+  try {
+    process.stdout.write(sequences.join(""))
+  } catch (err) {
+    console.error("resetTerminalState failed", err)
+  }
+}
+// kilocode_change end
+
 export namespace Terminal {
   export type Colors = Awaited<ReturnType<typeof colors>>
   /**