feat(skills): move comfyui from optional to built-in (#17631)

Intended placement per PR #17610 discussion — comfyui belongs in
skills/creative/ alongside other creative built-ins (touchdesigner-mcp,
pretext, sketch), not in optional-skills/.

Pure directory rename, no content changes. History preserved via git mv.

optional-skills/creative/comfyui/scripts/comfyui_setup.sh

@@ -1,131 +0,0 @@
-#!/usr/bin/env bash
-# ComfyUI Setup — Install, launch, and verify using the official comfy-cli.
-# Usage: bash scripts/comfyui_setup.sh [--nvidia|--amd|--m-series|--cpu]
-#
-# If no flag is passed, runs hardware_check.py to detect the right one
-# automatically, and refuses to install locally when the verdict is "cloud"
-# (no usable GPU, too little VRAM, Intel Mac, etc.) — pointing the user
-# at Comfy Cloud instead.
-#
-# Prerequisites: Python 3.10+, pip
-# What it does:
-#   0. Hardware check (skipped if a flag was passed explicitly)
-#   1. Installs comfy-cli (if not present)
-#   2. Disables analytics tracking
-#   3. Installs ComfyUI + ComfyUI-Manager
-#   4. Launches server in background
-#   5. Verifies server is reachable
-
-set -euo pipefail
-
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-HARDWARE_CHECK="$SCRIPT_DIR/hardware_check.py"
-
-# Step 0: Hardware check (auto-detect GPU flag when none was provided)
-if [ $# -ge 1 ]; then
-    GPU_FLAG="$1"
-    echo "==> GPU flag: $GPU_FLAG (user-supplied, skipping hardware check)"
-else
-    if [ ! -f "$HARDWARE_CHECK" ]; then
-        echo "==> hardware_check.py not found, defaulting to --nvidia"
-        GPU_FLAG="--nvidia"
-    else
-        echo "==> Running hardware check..."
-        set +e
-        HW_JSON="$(python3 "$HARDWARE_CHECK" --json)"
-        HW_EXIT=$?
-        set -e
-        echo "$HW_JSON"
-        echo ""
-
-        VERDICT="$(echo "$HW_JSON" | python3 -c 'import sys,json; print(json.load(sys.stdin).get("verdict",""))')"
-        FLAG="$(echo "$HW_JSON"   | python3 -c 'import sys,json; print(json.load(sys.stdin).get("comfy_cli_flag") or "")')"
-
-        if [ "$VERDICT" = "cloud" ]; then
-            echo ""
-            echo "==> Hardware check: this machine is not suitable for local ComfyUI."
-            echo "    Recommended: Comfy Cloud — https://platform.comfy.org"
-            echo ""
-            echo "    If you want to override and install anyway, re-run with an"
-            echo "    explicit flag: bash $0 --nvidia|--amd|--m-series|--cpu"
-            exit 2
-        fi
-
-        if [ -z "$FLAG" ]; then
-            echo "==> Hardware check couldn't pick a comfy-cli flag. Defaulting to --nvidia."
-            echo "    (For Intel Arc or unsupported hardware, use the manual install path.)"
-            GPU_FLAG="--nvidia"
-        else
-            GPU_FLAG="$FLAG"
-        fi
-
-        if [ "$VERDICT" = "marginal" ]; then
-            echo "==> Hardware check: verdict is MARGINAL."
-            echo "    SD1.5 should work; SDXL/Flux may be slow or OOM."
-            echo "    Consider Comfy Cloud for heavier workflows: https://platform.comfy.org"
-            echo ""
-        fi
-    fi
-fi
-
-echo "==> ComfyUI Setup"
-echo "    GPU flag: $GPU_FLAG"
-echo ""
-
-# Step 1: Install comfy-cli
-if command -v comfy >/dev/null 2>&1; then
-    echo "==> comfy-cli already installed: $(comfy -v 2>/dev/null || echo 'unknown version')"
-else
-    echo "==> Installing comfy-cli..."
-    pip install comfy-cli
-fi
-
-# Step 2: Disable tracking (avoid interactive prompt)
-echo "==> Disabling analytics tracking..."
-comfy --skip-prompt tracking disable 2>/dev/null || true
-
-# Step 3: Install ComfyUI
-if comfy which 2>/dev/null | grep -q "ComfyUI"; then
-    echo "==> ComfyUI already installed at: $(comfy which 2>/dev/null)"
-else
-    echo "==> Installing ComfyUI ($GPU_FLAG)..."
-    comfy --skip-prompt install $GPU_FLAG
-fi
-
-# Step 4: Launch in background
-echo "==> Launching ComfyUI in background..."
-comfy launch --background 2>/dev/null || {
-    echo "==> Background launch failed. Trying foreground check..."
-    echo "    You may need to run: comfy launch"
-    exit 1
-}
-
-# Step 5: Wait for server to be ready
-echo "==> Waiting for server..."
-MAX_WAIT=30
-ELAPSED=0
-while [ $ELAPSED -lt $MAX_WAIT ]; do
-    if curl -s http://127.0.0.1:8188/system_stats >/dev/null 2>&1; then
-        echo "==> Server is running!"
-        curl -s http://127.0.0.1:8188/system_stats | python3 -m json.tool 2>/dev/null || true
-        break
-    fi
-    sleep 2
-    ELAPSED=$((ELAPSED + 2))
-done
-
-if [ $ELAPSED -ge $MAX_WAIT ]; then
-    echo "==> Server did not start within ${MAX_WAIT}s."
-    echo "    Check logs with: comfy launch (foreground) to see errors."
-    exit 1
-fi
-
-echo ""
-echo "==> Setup complete!"
-echo "    Server: http://127.0.0.1:8188"
-echo "    Web UI: http://127.0.0.1:8188 (open in browser)"
-echo "    Stop:   comfy stop"
-echo ""
-echo "    Next steps:"
-echo "    - Download a model: comfy model download --url <URL> --relative-path models/checkpoints"
-echo "    - Run a workflow:   python3 scripts/run_workflow.py --workflow <file.json> --args '{...}'"