minimax: comfy smoke test before handler start

worker/minimax_start.sh

@@ -102,6 +102,14 @@ open("/comfyui/custom_nodes/lora_from_url.py", "wb").write(urllib.request.urlope
 print("[minimax] lora_from_url node installed")
 PYEOF
 
+# Smoke-test ComfyUI before handing over to /start.sh: if it can't even
+# import/boot, fail the container now (with the log shipped) instead of
+# letting the handler run against a dead server — FlashBoot would happily
+# snapshot that broken state and resurrect it forever.
+echo "[minimax] comfy smoke test..."
+( cd "$COMFY" && timeout 300 "$PY" main.py --quick-test-for-ci )
+echo "[minimax] comfy smoke test OK"
+
 # Background log shipper: uploads the boot log a few times so the tail of a
 # crashed ComfyUI startup is visible from outside.
 "$PY" -m pip show huggingface_hub >/dev/null 2>&1 || "$PY" -m pip install -q huggingface_hub