sequenceDiagram
  participant U as User
  participant UI as Debug Fields Table (checkboxes)
  participant BB as FC.BLACKBOX
  participant Save as Save Action

  rect rgb(245,245,255)
    note right of UI: New flow: real-time updates
    U->>UI: Toggle checkbox for field i
    UI->>BB: Update blackboxDisabledMask bit i (set/clear)
    UI-->>U: Checkbox reflects current state
  end

  rect rgb(245,255,245)
    note right of Save: Save persists current mask
    U->>Save: Click "Save Settings"
    Save->>BB: Read current blackboxDisabledMask
    Save-->>U: Save complete
  end

sequenceDiagram
  participant U as User
  participant MS as Multi-select (old)
  participant BB as FC.BLACKBOX
  participant Save as Save Action

  note right of MS: Old flow (removed)
  U->>MS: Select/deselect fields
  U->>Save: Click "Save Settings"
  Save->>MS: Read selected options
  Save->>BB: Compute and assign blackboxDisabledMask
  Save-->>U: Save complete