config fix

src/config.py

@@ -1,11 +1,22 @@
 # src/config.py
 from pathlib import Path
 
-BASE_DIR = Path(__file__).parent
+# -------------------------------
+# Hugging Face Dataset
+# -------------------------------
+DATASET_NAME = "OnlyTheTruth03/OTT_PDFs"   # change ONLY if dataset name changes
+
+# -------------------------------
+# FAISS storage paths
+# -------------------------------
+BASE_DIR = Path(__file__).resolve().parent
 
 INDEX_DIR = BASE_DIR / "index"
 FAISS_INDEX_PATH = INDEX_DIR / "faiss.index"
 DOCS_PATH = INDEX_DIR / "documents.pkl"
 
-DATASET_NAME = "OnlyTheTruth03/ott"   # 👈 your HF dataset
-TOP_K = 4
+# -------------------------------
+# Chunking config
+# -------------------------------
+CHUNK_SIZE = 500
+CHUNK_OVERLAP = 50