This version fixes major BOM-related bugs:

• All in-project protoparts now load successfully when opening boards

• Parts with unknown prices show "-" instead of “?”

• More stable BOM generation and export functionality

Introduces a persistent validation panel in the left sidebar:

• No need to click the navbar validate button

• Submit project validations directly from the sidebar

• All validation features work identically to the former navbar button

Here are some technical improvements this version introduces:

• Centralized validation state management

• Reduced code duplication

• Better error handling and user feedback

• Improved data persistence