feat: add load_files utility to parse policy and product JSON data

app.py

@@ -6,7 +6,16 @@ from langchain_community.vectorstores import Qdrant
 from langchain_huggingface import HuggingFaceEmbeddings
 import requests
 import os
+import json
 
+def load_files():
+    with open("policies.json", "r", encoding="utf-8") as f:
+        policies = json.load(f)
+
+    with open("products.json", "r", encoding="utf-8") as f:
+        products = json.load(f)
+
+    return policies, products
 # -----------------------------
 # 1. Embeddings model
 # -----------------------------