Update app.py

app.py

@@ -14,7 +14,7 @@ EMBEDDER        = "all-MiniLM-L6-v2"
 CHUNK_SIZE      = 500
 OVERLAP         = 100
 INDEX_TYPE      = "innerproduct"
-MODEL_NAME      = "deepseek-ai/DeepSeek-R1-Distill-Qwen-14B"
+MODEL_NAME      = "deepseek-ai/DeepSeek-R1-Distill-Qwen-1.5B"
 TOP_K           = 7
 
 # ——— PREPARE INDEX & MODEL ONCE ———