Update app.py

app.py

@@ -24,8 +24,8 @@ from transformers import pipeline
 EMBED_MODEL_ID = "sentence-transformers/all-MiniLM-L6-v2"
 GEN_MODEL_ID   = "Qwen/Qwen2.5-0.5B-Instruct"
 
-CHUNK_SIZE    = 300
-CHUNK_OVERLAP = 50
+CHUNK_SIZE    = 50
+CHUNK_OVERLAP = 5
 TOP_K         = 3
 
 # ----------------------------