From c4a8d281d4a569c658fcd7f4cda425d683dd4be6 Mon Sep 17 00:00:00 2001
From: kumabook <kumabook@live.jp>
Date: Sat, 15 Aug 2026 21:10:26 +0900
Subject: [PATCH] Stabilize tmux input submission

---
 reattachd/src/tmux/send.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/reattachd/src/tmux/send.rs b/reattachd/src/tmux/send.rs
index aefdb01..625d76d 100644
--- a/reattachd/src/tmux/send.rs
+++ b/reattachd/src/tmux/send.rs
@@ -1,7 +1,9 @@
-use std::process::Command;
+use std::{process::Command, thread, time::Duration};
 
 use crate::tmux::TmuxError;
 
+const SUBMIT_DELAY: Duration = Duration::from_millis(100);
+
 pub fn send_keys(target: &str, text: &str) -> Result<(), TmuxError> {
     let output = Command::new("tmux")
         .args(["send-keys", "-t", target, "-l", text])
@@ -13,6 +15,10 @@ pub fn send_keys(target: &str, text: &str) -> Result<(), TmuxError> {
         return Err(TmuxError::Command(stderr.to_string()));
     }
 
+    // Keep the submit key out of terminal applications' rapid-input/paste
+    // detection so that it is consistently handled as Enter.
+    thread::sleep(SUBMIT_DELAY);
+
     let output = Command::new("tmux")
         .args(["send-keys", "-t", target, "Enter"])
         .output()