chore(service): avoid network-online stall and speed pipenv boot

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/install-boot-service.sh

@@ -10,6 +10,18 @@ if [ ! -f "scripts/led-controller.service" ]; then
   echo "Run this script from the repo root."
   exit 1
 fi
+export PIPENV_VENV_IN_PROJECT="${PIPENV_VENV_IN_PROJECT:-1}"
+if command -v pipenv >/dev/null 2>&1; then
+  PY="$(command -v python3)"
+  if [ -z "$PY" ]; then
+    echo "python3 not found; install python3." >&2
+    exit 1
+  fi
+  echo "Ensuring Pipenv deps with $PY (venv in project: .venv when PIPENV_VENV_IN_PROJECT=1)…"
+  # --skip-lock: install from Pipfile only (avoids lock/Python hash mismatches on device).
+  pipenv install --quiet --skip-lock --python "$PY"
+  pipenv --venv > scripts/.led-controller-venv
+fi
 chmod +x scripts/start.sh
 sudo cp "scripts/led-controller.service" "$UNIT_PATH"
 sudo systemctl daemon-reload