installer: track real dashboard pid

configs/airootfs/root/.automated_script.sh

@@ -47,13 +47,25 @@ cd /root
 # noisy installer stream is captured to the support log.
 dashboard_tty=$(tty)
 export OMARCHY_DASHBOARD_TTY="$dashboard_tty"
-rm -f /run/omarchy-install/dashboard.stop
+rm -f /run/omarchy-install/dashboard.stop /run/omarchy-install/dashboard.pid
 setsid /usr/local/bin/omarchy-install-dashboard "$OMARCHY_INSTALL_LOG_FILE" /run/omarchy-install/state.json <"$dashboard_tty" >"$dashboard_tty" 2>&1 &
 dashboard_pid=$!
+# setsid may fork/exec differently across environments. The dashboard writes
+# its own real PID as soon as it starts; prefer that for shutdown.
+for _ in {1..20}; do
+  [[ -s /run/omarchy-install/dashboard.pid ]] && break
+  sleep 0.05
+done
+if [[ -s /run/omarchy-install/dashboard.pid ]]; then
+  dashboard_pid=$(cat /run/omarchy-install/dashboard.pid)
+fi
 export OMARCHY_INSTALL_DASHBOARD_PID="$dashboard_pid"
 
 stop_install_dashboard() {
   touch /run/omarchy-install/dashboard.stop 2>/dev/null || true
+  if [[ -s /run/omarchy-install/dashboard.pid ]]; then
+    dashboard_pid=$(cat /run/omarchy-install/dashboard.pid)
+  fi
   if [[ -n ${dashboard_pid:-} ]]; then
     if kill -0 "$dashboard_pid" 2>/dev/null; then
       # The dashboard runs under setsid, so $dashboard_pid is also its process

configs/airootfs/usr/local/bin/omarchy-install-dashboard

@@ -8,6 +8,7 @@ LOG_FILE="${1:-/var/log/omarchy-install.log}"
 STATE_FILE="${2:-/run/omarchy-install/state.json}"
 STATE_DIR="$(dirname "$STATE_FILE")"
 STOP_FILE="$STATE_DIR/dashboard.stop"
+PID_FILE="$STATE_DIR/dashboard.pid"
 LOGO_PATH="${OMARCHY_PATH:-/usr/share/omarchy}/logo.txt"
 TTY_PATH="${OMARCHY_DASHBOARD_TTY:-/dev/tty}"
 
@@ -45,6 +46,7 @@ whimsy=(
 
 cleanup() {
   printf '%s%s' "$RESET" "$SHOW_CURSOR" >"$TTY_PATH" 2>/dev/null || true
+  rm -f "$PID_FILE" 2>/dev/null || true
 }
 trap cleanup EXIT
 trap 'cleanup; exit 0' INT TERM
@@ -237,6 +239,9 @@ if [[ ! -e $TTY_PATH ]]; then
   exit 0
 fi
 
+mkdir -p "$STATE_DIR"
+echo "$$" >"$PID_FILE"
+
 printf '%s' "$HIDE_CURSOR" >"$TTY_PATH"
 render_static >"$TTY_PATH"
 frame=0

configs/airootfs/usr/share/omarchy-iso/orchestrator/phases_impl.py

@@ -1071,34 +1071,34 @@ def _pid_is_dashboard(pid: int) -> bool:
     return b"omarchy-install-dashboard" in cmdline
 
 
+def _add_dashboard_pid(pids: list[int], pid_text: str | None) -> None:
+    if not pid_text:
+        return
+    try:
+        pid = int(pid_text.strip())
+    except ValueError:
+        return
+    if pid not in pids and _pid_is_dashboard(pid):
+        pids.append(pid)
+
+
 def _dashboard_pids() -> list[int]:
     pids: list[int] = []
-    pid_text = os.environ.get("OMARCHY_INSTALL_DASHBOARD_PID")
-    if pid_text:
-        try:
-            pid = int(pid_text)
-            if _pid_is_dashboard(pid):
-                pids.append(pid)
-        except ValueError:
-            pass
 
-    # Belt-and-suspenders fallback in case the env var was lost before finish.
+    _add_dashboard_pid(pids, os.environ.get("OMARCHY_INSTALL_DASHBOARD_PID"))
+
+    pid_file = Path("/run/omarchy-install/dashboard.pid")
     try:
-        proc = subprocess.run(
-            ["pgrep", "-f", "omarchy-install-dashboard"],
-            capture_output=True,
-            text=True,
-            check=False,
-        )
-        for line in proc.stdout.splitlines():
-            try:
-                pid = int(line)
-            except ValueError:
-                continue
-            if pid not in pids and _pid_is_dashboard(pid):
-                pids.append(pid)
+        _add_dashboard_pid(pids, pid_file.read_text())
     except OSError:
         pass
+
+    # Last-resort /proc scan. Do not rely on pgrep being present in the ISO.
+    for proc_dir in Path("/proc").iterdir():
+        if not proc_dir.name.isdigit():
+            continue
+        _add_dashboard_pid(pids, proc_dir.name)
+
     return pids