add M-w hotkey to watch pane process and notify on completion

.tmux.conf

@@ -187,6 +187,7 @@ bind > swap-pane -D
 bind < swap-pane -U
 bind | swap-pane
 bind -n M-b run-shell 'val=$(tmux show -wv @unread 2>/dev/null); if [ "$val" = "1" ]; then tmux set -wu @unread; else tmux set -w @unread 1; fi; tmux refresh-client -S'
+bind -n M-w run-shell -b 'val=$(tmux show -wv @watching 2>/dev/null); if [ "$val" = "1" ]; then tmux set -wu @watching; tmux refresh-client -S; else ~/.config/tmux/scripts/watch_pane.sh "#{pane_id}" "#{window_id}"; fi'
 bind -n M-m run-shell "test -f ~/.config/agent-tracker/scripts/focus_latest_notified.sh && bash ~/.config/agent-tracker/scripts/focus_latest_notified.sh || true"
 bind -n M-M run-shell "test -f ~/.config/agent-tracker/scripts/focus_last_origin.sh && bash ~/.config/agent-tracker/scripts/focus_last_origin.sh || true"
 bind Space run-shell "~/.config/tmux/scripts/toggle_orientation.sh"

tmux/scripts/watch_pane.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+pane_id="$1"
+window_id="$2"
+
+[[ -z "$pane_id" || -z "$window_id" ]] && exit 1
+
+shells="bash zsh fish sh dash ksh tcsh csh"
+
+is_shell() {
+  local cmd="$1"
+  for s in $shells; do
+    [[ "$cmd" == "$s" ]] && return 0
+  done
+  return 1
+}
+
+current_cmd=$(tmux display-message -p -t "$pane_id" '#{pane_current_command}' 2>/dev/null || true)
+[[ -z "$current_cmd" ]] && exit 0
+
+if is_shell "$current_cmd"; then
+  exit 0
+fi
+
+tmux set -w -t "$window_id" @watching 1 2>/dev/null || true
+tmux refresh-client -S
+
+while true; do
+  sleep 1
+  watching=$(tmux show -wv -t "$window_id" @watching 2>/dev/null || true)
+  [[ "$watching" != "1" ]] && exit 0
+  cmd=$(tmux display-message -p -t "$pane_id" '#{pane_current_command}' 2>/dev/null || true)
+  if [[ -z "$cmd" ]] || is_shell "$cmd"; then
+    break
+  fi
+done
+
+tmux set -wu -t "$window_id" @watching 2>/dev/null || true
+tmux set -w -t "$window_id" @unread 1 2>/dev/null || true
+tmux refresh-client -S

tmux/tmux-status/left.sh

@@ -70,13 +70,22 @@ fi
 get_session_icon() {
   local sid="$1"
 
+  # Check for manual @watching on any window in this session
+  local watching_win
+  watching_win=$(tmux list-windows -t "$sid" -F '#{@watching}' 2>/dev/null | grep -m1 '^1$' || true)
+
   # Check for manual @unread on any window in this session
   local unread_win
   unread_win=$(tmux list-windows -t "$sid" -F '#{@unread}' 2>/dev/null | grep -m1 '^1$' || true)
+
   if [[ -n "$unread_win" ]]; then
     printf '🔔'
     return
   fi
+  if [[ -n "$watching_win" ]]; then
+    printf '⏳'
+    return
+  fi
 
   [[ -z "$tracker_state" ]] && return
   local result

tmux/tmux-status/window_task_icon.sh

@@ -4,6 +4,13 @@ set -euo pipefail
 window_id="$1"
 [[ -z "$window_id" ]] && exit 0
 
+# Check manual @watching flag
+watching=$(tmux show -wv -t "$window_id" @watching 2>/dev/null || true)
+if [[ "$watching" == "1" ]]; then
+  printf '⏳'
+  exit 0
+fi
+
 # Check manual @unread flag
 unread=$(tmux show -wv -t "$window_id" @unread 2>/dev/null || true)
 if [[ "$unread" == "1" ]]; then