feat(toolbox): ui update

meson.build

@@ -16,3 +16,22 @@ subdir('build-python')
 
 # Build python bindings
 subdir('src-pybind')
+
+# Bundle the Python backend for the Electron app
+
+if get_option('build-py-backend')
+  pyinstaller_exe = find_program('pyinstaller', required : true)
+  electron_src_dir = meson.current_source_dir() / 'electron'
+
+  custom_target('fourdst-backend',
+    input : electron_src_dir / 'fourdst-backend.spec',
+    # The output is the directory that PyInstaller creates.
+    # We are interested in the executable inside it.
+    output : 'fourdst-backend',
+    # The command to run. We tell PyInstaller where to put the final executable.
+    command : [pyinstaller_exe, '--distpath', meson.current_build_dir() / 'electron/dist', '--workpath', meson.current_build_dir() / 'electron/build', '--noconfirm', '@INPUT@'],
+    # This ensures the backend is built whenever you run 'meson compile'.
+    build_by_default : true
+  )
+endif
+