Update Hugging Face API endpoint to use the new router URL

Update Hugging Face API endpoint in app.py and app_local.py to use the new router.huggingface.co/hf-inference URL.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a662ebb5-fd71-4dd7-ad81-6f1890051700
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: c891807b-1022-4b45-a00a-e47da1f4090f
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/d9f57912-08a1-48b9-ad13-f36ce06579fd/a662ebb5-fd71-4dd7-ad81-6f1890051700/fWRWvD9

app.py

@@ -13,7 +13,7 @@ from PIL import Image
 import numpy as np
 from progress_tracker import get_tracker, JobStatus
 
-HF_API_URL = "https://api-inference.huggingface.co/models/black-forest-labs/FLUX.1-schnell"
+HF_API_URL = "https://router.huggingface.co/hf-inference/models/black-forest-labs/FLUX.1-schnell"
 
 UPLOAD_DIR = Path("uploads")
 OUTPUT_DIR = Path("outputs")

app_local.py

@@ -20,7 +20,7 @@ except ImportError:
     import urllib.request
     HAS_HTTPX = False
 
-HF_API_URL = "https://api-inference.huggingface.co/models/black-forest-labs/FLUX.1-schnell"
+HF_API_URL = "https://router.huggingface.co/hf-inference/models/black-forest-labs/FLUX.1-schnell"
 
 jobs = {}