gen-cards: regenerate Use-it block

README.md

@@ -29,6 +29,21 @@ full card with the conversion design:
 [zoo/qwen3-vl.md](https://github.com/john-rocky/coreai-model-zoo/blob/main/zoo/qwen3-vl.md).
 
 <!-- gen-cards:use-it begin id=qwen3-vl-8b (managed by scripts/gen-cards — edit cards.json / QuickStart.swift, not this block) -->
+## Use it
+
+▶️ **Run it (source)** — the [VLChat runner](https://github.com/john-rocky/coreai-kit/tree/main/Examples/VLChat)
+(GUI + CLI, one app for every vision-language model in the catalog):
+
+```bash
+git clone https://github.com/john-rocky/coreai-kit
+open coreai-kit/Examples/VLChat/VLChat.xcodeproj
+# → Run, then pick "Qwen3-VL 8B" in the model picker
+
+# agents / headless (macOS):
+cd coreai-kit/Examples/VLChat
+swift run vlchat-cli --model qwen3-vl-8b --image sample.jpg --prompt "What is in this image?"
+```
+
 <!-- gen-cards:use-it end -->
 
 ## Measured