Create codexbyte_db.py

codexbyte_db.py

@@ -0,0 +1,12 @@
+import json
+
+DB_FILE = "codexbyte_db.json"
+
+def fetch_latest_data(runtime_config):
+    """
+    Loads and validates the CodexByte commodity universe.
+    """
+    with open(DB_FILE, "r") as f:
+        db = json.load(f)
+
+    return db