Initial import: bare-metal stacks, Server UI, GPU fan, tutorials.

Infrastructure configs for GMKtec K11 (Docker, vLLM, LocalAI, ComfyUI,
control-plane, gpu-fan agent, Server UI with CLI/file explorer/GPU fan curve).

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

stacks/server-ui/scripts/print-api-key-instructions.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+# Print API key + browser instructions (shared by install scripts and show-api-key.sh).
+set -euo pipefail
+
+print_api_key_instructions() {
+  local env_file="${1:-/opt/control-plane/.env}"
+  local ui_port="${2:-8091}"
+  local api_key=""
+  local lan_ip=""
+
+  if [[ -r "${env_file}" ]]; then
+    api_key="$(grep '^API_KEY=' "${env_file}" 2>/dev/null | cut -d= -f2- || true)"
+  elif [[ -f "${env_file}" ]]; then
+    api_key="$(sudo grep '^API_KEY=' "${env_file}" 2>/dev/null | cut -d= -f2- || true)"
+  fi
+
+  lan_ip="$(hostname -I 2>/dev/null | awk '{print $1}')"
+  [[ -n "${lan_ip}" ]] || lan_ip="<IP-serwera>"
+
+  echo ""
+  echo "══════════════════════════════════════════════"
+  echo "  SERVER UI — KLUCZ API"
+  echo "══════════════════════════════════════════════"
+  echo ""
+
+  if [[ -z "${api_key}" ]]; then
+    echo "Brak API_KEY w ${env_file}"
+    echo "Uruchom: sudo bash stacks/server-ui/scripts/setup-control-plane-env.sh"
+    echo ""
+    return 1
+  fi
+
+  echo "1. Twój klucz API (skopiuj):"
+  echo ""
+  echo "   ${api_key}"
+  echo ""
+  echo "2. Otwórz panel (klucz zapisze się w przeglądarce):"
+  echo ""
+  echo "   http://${lan_ip}:${ui_port}/?api_key=${api_key}"
+  echo ""
+  echo "3. Albo ręcznie:"
+  echo "   a) Wejdź na http://${lan_ip}:${ui_port}/"
+  echo "   b) Wklej klucz w pole „API Key”"
+  echo "   c) Kliknij „Zapisz”"
+  echo "   d) Kliknij „Sprawdź klucz” (powinno być: Klucz poprawny)"
+  echo "   e) Dopiero potem Start/Stop, CLI, Pliki, GPU Fan"
+  echo ""
+  echo "Plik klucza (na przyszłość):"
+  echo "   sudo grep ^API_KEY= ${env_file}"
+  echo ""
+  echo "══════════════════════════════════════════════"
+  echo ""
+}
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+  print_api_key_instructions "${1:-/opt/control-plane/.env}" "${2:-8091}"
+fi