Make tmux alert parsing and focus more robust

Session names can contain pipes but never colons, so split fields on
colons instead. Remember refreshes that arrive while the indicator is
already polling, and jump to the most recently used tmux client rather
than an arbitrary one.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

bin/omarchy-tmux-alert

@@ -6,8 +6,9 @@
 
 set -e
 
-# Window names can contain the separator, so they always come last when parsed.
-WINDOW_FORMAT='#{window_bell_flag}#{window_activity_flag}#{window_silence_flag}|#{session_name}|#{window_index}|#{window_name}'
+# Session names cannot contain colons, and window names can, so they always
+# come last when parsed.
+WINDOW_FORMAT='#{window_bell_flag}#{window_activity_flag}#{window_silence_flag}:#{session_name}:#{window_index}:#{window_name}'
 
 usage() {
   echo "Usage: omarchy-tmux-alert <show [--json]|focus>" >&2
@@ -20,9 +21,9 @@ alerted_windows() {
   local flags session index name
 
   tmux list-windows -a -F "$WINDOW_FORMAT" 2>/dev/null |
-    while IFS='|' read -r flags session index name; do
+    while IFS=':' read -r flags session index name; do
       if [[ $flags == *1* ]]; then
-        printf '%s|%s|%s\n' "$session" "$index" "$name"
+        printf '%s:%s:%s\n' "$session" "$index" "$name"
       fi
     done
 }
@@ -33,7 +34,7 @@ show() {
   readarray -t windows < <(alerted_windows)
 
   for window in "${windows[@]}"; do
-    IFS='|' read -r session index name <<<"$window"
+    IFS=':' read -r session index name <<<"$window"
     [[ -n $description ]] && description+=", "
     description+="$name ($session:$index)"
   done
@@ -68,23 +69,27 @@ focus_terminal_window() {
     hyprctl dispatch focuswindow "address:$address" >/dev/null
 }
 
+most_recent_client() {
+  tmux list-clients "$@" -F '#{client_activity}:#{client_tty}:#{client_pid}' 2>/dev/null | sort -rn | head -n1
+}
+
 focus() {
   local target session index client tty pid
 
   target=$(alerted_windows | head -n1)
   [[ -n $target ]] || return 0
 
-  IFS='|' read -r session index _ <<<"$target"
+  IFS=':' read -r session index _ <<<"$target"
 
-  client=$(tmux list-clients -t "$session" -F '#{client_tty}|#{client_pid}' 2>/dev/null | head -n1)
-  [[ -n $client ]] || client=$(tmux list-clients -F '#{client_tty}|#{client_pid}' 2>/dev/null | head -n1)
+  client=$(most_recent_client -t "$session")
+  [[ -n $client ]] || client=$(most_recent_client)
 
   if [[ -z $client ]]; then
     tmux select-window -t "$session:$index"
     exec omarchy-launch-terminal tmux attach -t "$session"
   fi
 
-  IFS='|' read -r tty pid <<<"$client"
+  IFS=':' read -r _ tty pid <<<"$client"
   tmux switch-client -c "$tty" -t "$session:$index"
   omarchy-shell -q omarchy.indicators refresh
   focus_terminal_window "$pid"

shell/plugins/bar/indicators/TmuxAlert.qml

@@ -8,6 +8,7 @@ BarIndicator {
 
   property int waitingCount: 0
   property string tooltip: ""
+  property bool refreshPending: false
 
   active: waitingCount > 0
   activeText: "󰆍"
@@ -16,7 +17,8 @@ BarIndicator {
   inactiveTooltipText: "No terminal is waiting"
 
   function refresh() {
-    if (!statusProc.running) statusProc.running = true
+    if (statusProc.running) refreshPending = true
+    else statusProc.running = true
   }
 
   function update(raw) {
@@ -54,6 +56,11 @@ BarIndicator {
         root.waitingCount = 0
         root.tooltip = ""
       }
+
+      if (root.refreshPending) {
+        root.refreshPending = false
+        root.refresh()
+      }
     }
   }
 

test/shell.d/tmux-alert-test.sh

@@ -22,22 +22,22 @@ export TMUX_STUB_WINDOWS="$test_dir/windows"
 export PATH="$test_dir:$PATH"
 
 cat >"$TMUX_STUB_WINDOWS" <<'WINDOWS'
-000|Work|1|editor
-100|Work|2|claude
-001|Side|1|server|with|pipes
+000:Work:1:editor
+100:Work:2:claude
+001:Side|Gig:1:server: still going
 WINDOWS
 
 output=$("$ROOT/bin/omarchy-tmux-alert" show --json)
-expected='{"count":2,"tooltip":"claude (Work:2), server|with|pipes (Side:1)"}'
+expected='{"count":2,"tooltip":"claude (Work:2), server: still going (Side|Gig:1)"}'
 [[ $output == "$expected" ]] || fail "tmux alert reports alerted windows" "expected: $expected"$'\n'"actual:   $output"
 pass "tmux alert reports alerted windows"
 
 output=$("$ROOT/bin/omarchy-tmux-alert" show)
-[[ $output == "claude (Work:2), server|with|pipes (Side:1)" ]] || fail "tmux alert describes alerted windows" "$output"
+[[ $output == "claude (Work:2), server: still going (Side|Gig:1)" ]] || fail "tmux alert describes alerted windows" "$output"
 pass "tmux alert describes alerted windows"
 
 cat >"$TMUX_STUB_WINDOWS" <<'WINDOWS'
-000|Work|1|editor
+000:Work:1:editor
 WINDOWS
 
 output=$("$ROOT/bin/omarchy-tmux-alert" show --json)