Release v0.9.4: SCPI tab, command list, better logging, UI fixes

v0.9.4 (2025-07-19)

• 🧪 New SCPI Tab

  • Manual SCPI command input and response display
  • Optional sidebar with scpi_command.list.txt list
  • Double-click or “➡ Insert” to use predefined commands

• 🧱 UI Improvements

  • No more height overflow in SCPI output
  • Responsive sidebar layout

• 🐞 Improved Logging

  • All manual SCPI actions logged in Debug tab
  • Safe error handling in background threads