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/ensure-dirs.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# Create ComfyUI data directories on the data disk.
+
+ensure_comfyui_dirs() {
+  local data_root="${1:-/data}"
+  mkdir -p \
+    "${data_root}/apps/comfyui/storage" \
+    "${data_root}/apps/comfyui/models" \
+    "${data_root}/apps/comfyui/cache/hf-hub" \
+    "${data_root}/apps/comfyui/cache/torch-hub" \
+    "${data_root}/apps/comfyui/input" \
+    "${data_root}/apps/comfyui/output" \
+    "${data_root}/apps/comfyui/custom_nodes" \
+    "${data_root}/apps/comfyui/workflows"
+}
+
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+  ensure_comfyui_dirs "${1:-/data}"
+fi