elkay frontend: db.py TiDB name

utils/db.py

@@ -37,7 +37,7 @@ def get_db_connection():
         port=int(os.getenv("TIDB_PORT", 4000)),
         user=os.getenv("TIDB_USER"),
         password=os.getenv("TIDB_PASSWORD"),
-        database=os.getenv("TIDB_DATABASE", "agenticfinance"),
+        database=os.getenv("TIDB_DATABASE", "fin_ed_agentic"),
         ssl_ca=ssl_ca,
         ssl_verify_cert=ssl_enabled,
         autocommit=True,