fix: pasar HF_TOKEN como auth header al llamar OOTDiffusion (cuota ZeroGPU)

app.py

@@ -7,6 +7,9 @@ from PIL import Image
 from gradio_client import Client, handle_file
 from diffusers import DiffusionPipeline, EulerAncestralDiscreteScheduler
 
+HF_TOKEN = os.environ.get("HF_TOKEN", "")
+_OOTD_HEADERS = {"Authorization": f"Bearer {HF_TOKEN}"} if HF_TOKEN else None
+
 # ─── Carga de modelos ─────────────────────────────────────────────────────────
 
 multiview_pipe = None
@@ -61,7 +64,7 @@ def tryon(person_image: Image.Image, garment_image: Image.Image) -> Image.Image:
         garment_path = f_garment.name
 
     try:
-        client = Client("eduardo4547/OOTDiffusion", verbose=False)
+        client = Client("eduardo4547/OOTDiffusion", headers=_OOTD_HEADERS, verbose=False)
         result = client.predict(
             vton_img=handle_file(person_path),
             garm_img=handle_file(garment_path),