diff --git a/src/create-managers.ts b/src/create-managers.ts
index 81023071c..14e8873c4 100644
--- a/src/create-managers.ts
+++ b/src/create-managers.ts
@@ -28,7 +28,9 @@ export function createManagers(args: {
 }): Managers {
   const { ctx, pluginConfig, tmuxConfig, modelCacheState, backgroundNotificationHookEnabled } = args
 
-  markServerRunningInProcess()
+  if (tmuxConfig.enabled) {
+    markServerRunningInProcess()
+  }
   const tmuxSessionManager = new TmuxSessionManager(ctx, tmuxConfig)
 
   registerManagerForCleanup({
diff --git a/src/create-runtime-tmux-config.ts b/src/create-runtime-tmux-config.ts
index 579cb297e..937fc4b14 100644
--- a/src/create-runtime-tmux-config.ts
+++ b/src/create-runtime-tmux-config.ts
@@ -7,6 +7,12 @@ export function isTmuxIntegrationEnabled(
   return pluginConfig.tmux?.enabled ?? false
 }
 
+export function isInteractiveBashEnabled(
+  which: (binary: string) => string | null = Bun.which,
+): boolean {
+  return which("tmux") !== null
+}
+
 export function createRuntimeTmuxConfig(pluginConfig: { tmux?: OhMyOpenCodeConfig["tmux"] }): TmuxConfig {
   return TmuxConfigSchema.parse(pluginConfig.tmux ?? {})
 }