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/comfyui/scripts/start.sh

@@ -0,0 +1,68 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+STACK_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
+# shellcheck disable=SC1091
+source "${SCRIPT_DIR}/ensure-dirs.sh"
+
+cd "${STACK_DIR}"
+
+if [[ ! -f .env ]]; then
+  echo "ERROR: .env not found. Run: cp .env.example .env"
+  exit 1
+fi
+
+set -a
+# shellcheck disable=SC1091
+source .env
+set +a
+
+DATA_ROOT="${DATA_ROOT:-/data}"
+
+if ! mountpoint -q "${DATA_ROOT}" 2>/dev/null; then
+  echo "ERROR: ${DATA_ROOT} is not mounted"
+  exit 1
+fi
+
+ensure_comfyui_dirs "${DATA_ROOT}"
+
+if ! docker info &>/dev/null; then
+  echo "ERROR: Docker is not running"
+  exit 1
+fi
+
+if docker ps --format '{{.Names}}' | grep -qx localai; then
+  echo "UWAGA: Kontener localai jest uruchomiony."
+  echo "       Na RTX 3090 Ti 24 GB uruchom tylko jeden duży workload GPU."
+  echo "       Zatrzymaj LocalAI przed generowaniem obrazów:"
+  echo "         cd ../localai && docker compose --profile localai stop localai"
+  echo ""
+  read -r -p "Kontynuować mimo to? [y/N]: " confirm
+  if [[ "${confirm,,}" != "y" ]]; then
+    exit 1
+  fi
+fi
+
+echo "=== ComfyUI stack ==="
+echo "Image:  ${COMFYUI_IMAGE:-yanwk/comfyui-boot:cu126-slim}"
+echo "Port:   ${COMFYUI_PORT:-8188}"
+echo "Models: ${DATA_ROOT}/apps/comfyui/models"
+echo "GPU:    CUDA_VISIBLE_DEVICES=${CUDA_VISIBLE_DEVICES:-0}"
+echo ""
+echo "Pierwszy start kopiuje ComfyUI do ${DATA_ROOT}/apps/comfyui/storage/ (~kilka minut)."
+echo ""
+
+docker compose --profile comfyui pull
+docker compose --profile comfyui up -d
+
+echo ""
+echo "Started. Follow logs:"
+echo "  docker compose --profile comfyui logs -f comfyui"
+echo ""
+echo "Web UI (po starcie):"
+echo "  http://localhost:${COMFYUI_PORT:-8188}"
+echo ""
+echo "Health:"
+echo "  curl -s -o /dev/null -w '%{http_code}\n' http://127.0.0.1:${COMFYUI_PORT:-8188}/"