Update src/streamlit_app.py

src/streamlit_app.py

@@ -34,11 +34,15 @@ st.set_page_config(
     layout="wide",
 )
 
-# ========= Paths & knobs =========
-DATA_DIR = Path(os.getenv("DATA_DIR", "data"))
+from pathlib import Path
+
+BASE_DIR = Path(__file__).resolve().parent  # points to src/
+DATA_DIR = BASE_DIR / "data"
+
 VECTOR_PATH = DATA_DIR / "vector_store.index"
 PKL_PATH = DATA_DIR / "data.pkl"
 
+
 EMBED_MODEL_NAME = os.getenv("EMBED_MODEL_NAME", "BAAI/bge-large-en-v1.5")
 TOP_K = int(os.getenv("TOP_K", "5"))
 MAX_CONTEXT_CHARS = int(os.getenv("MAX_CONTEXT_CHARS", "12000"))