May 18

1. 02:20

   Refactor prediction logic in historis view; prepare data for model prediction with renamed columns and improved error handling

   ranggaptr
   dc8c2d9
2. 02:12

   Improve error handling and data type safety in DBManager; ensure numeric columns are converted to float and handle missing config values gracefully

   ranggaptr
   52034ac
3. 01:54

   Add initial empty state function and improve button labels for data loading

   ranggaptr
   6a7152f
4. 01:49

   Implement initial database management and model handling for BTA predictive maintenance application

   ranggaptr
   8cdd0d8