Comfy Apps: 12-workflow image-gen web GUI + payment frontend

- Flask frontend + serialized GPU worker + BTCPay invoice/webhook
- 12 example images rendered from the real ComfyUI workflows
- fix: ipadapter workflow uses modern IPAdapter node (was broken IPAdapterApply)
- helper scripts: generate/optimize examples
- README with deploy recipe

optimize_examples.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+"""Optimize generated example PNGs into web-friendly JPEGs (<=1024px)."""
+import os, glob
+from PIL import Image
+
+EXAMPLES = os.path.expanduser("~/comfy-web/static/examples")
+
+for png in sorted(glob.glob(os.path.join(EXAMPLES, "*.png"))):
+    im = Image.open(png).convert("RGB")
+    im.thumbnail((1024, 1024), Image.LANCZOS)
+    jpg = os.path.splitext(png)[0] + ".jpg"
+    im.save(jpg, "JPEG", quality=87, optimize=True, progressive=True)
+    kb = os.path.getsize(jpg) // 1024
+    os.remove(png)  # drop the giant full-res png
+    print(f"{os.path.basename(jpg):22s} {im.size}  {kb}KB")