Update app.py

app.py

@@ -23,9 +23,9 @@ paraphrase_model = paraphrase_model.to(device)
 similarity_model = SentenceTransformer('all-MiniLM-L6-v2')
 
 # ----------------------
-# Local AI Detector (desklib/ai-text-detector-v1.01)
+# Local AI Detector (roberta-base-openai-detector)
 # ----------------------
-AI_DETECTOR_MODEL = "desklib/ai-text-detector-v1.01"
+AI_DETECTOR_MODEL = "roberta-base-openai-detector"
 ai_detector = pipeline("text-classification", model=AI_DETECTOR_MODEL, device=0 if torch.cuda.is_available() else -1)
 
 # ----------------------