Revert "fix(cli): prevent zombie kilo serve processes on extension host crash"

packages/opencode/src/cli/cmd/serve.ts

@@ -39,18 +39,6 @@ export const ServeCommand = cmd({
     process.on("SIGTERM", shutdown)
     process.on("SIGINT", shutdown)
     process.on("SIGHUP", shutdown)
-
-    // When spawned by the VS Code extension, stdin is kept open as a keepalive
-    // pipe. If the extension host is hard-killed (crash, OOM) the write-end of
-    // the pipe is closed by the OS, causing an EOF here. We detect that and
-    // trigger a clean shutdown so no zombie process is left behind.
-    if (process.env["KILO_CLIENT"] === "vscode") {
-      process.stdin.resume()
-      process.stdin.on("end", () => {
-        shutdown().catch(() => {})
-      })
-    }
-
     await new Promise((resolve) => abort.signal.addEventListener("abort", resolve))
     // kilocode_change end
   },