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

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