fix: add build-time binary search + runtime path-finder for purevpn-cli

vpn-node/entrypoint.sh

@@ -6,6 +6,21 @@ set -euo pipefail
 
 export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin:/etc/pure-linux-cli/
 
+# ── Locate purevpn-cli wherever the installer put it ─────────────────────────
+if ! command -v purevpn-cli &>/dev/null; then
+    _bin=$(find / -maxdepth 8 -name "purevpn-cli" -type f 2>/dev/null | head -1)
+    if [[ -n "$_bin" ]]; then
+        export PATH="$(dirname "$_bin"):$PATH"
+        echo "[entrypoint] purevpn-cli found at $_bin — PATH updated"
+    else
+        echo "[entrypoint] FATAL: purevpn-cli not found anywhere on the filesystem"
+        echo "[entrypoint] All purevpn* files:"
+        find / -maxdepth 8 -name "purevpn*" 2>/dev/null || true
+        exit 1
+    fi
+fi
+echo "[entrypoint] Using purevpn-cli: $(command -v purevpn-cli)"
+
 SOCKS5_PORT="${SOCKS5_INNER_PORT:-1080}"
 VPN_IF="tun0"
 VPN_WAIT=60        # max seconds to wait for tun0 to appear