We can select many spectra <img width="633" height="391" alt="Image" src="https://github.com/user-attachments/assets/cbb4cd27-d75c-4232-a9a2-717405cdefc1" /> We create a new '...' menu with submenu - Set meta information - Remove meta information Dialog with Key / Value and the information on how many spectra will be impacted.
We can select many spectra
We create a new '...' menu with submenu
Dialog with Key / Value and the information on how many spectra will be impacted.