Update app.py

app.py

@@ -1,4 +1,19 @@
 import os
+from pathlib import Path
+
+# Disable Chroma telemetry (optional)
+os.environ["CHROMA_TELEMETRY_ENABLED"] = "false"
+
+# Check if DB exists, else build
+DB_DIR = Path(__file__).parent / "db"
+if not DB_DIR.exists() or not any(DB_DIR.iterdir()):
+    print("📦 No DB found. Building vectorstore...")
+    import scripts.load_documents
+    import scripts.chunk_and_embed
+    import scripts.setup_vectorstore
+else:
+    print("✅ DB found. Skipping build.")
+    
 import gradio as gr
 from scripts.router_chain import build_router_chain