Refactor radar system

python_app/webui/controller.py

@@ -64,7 +64,13 @@ class WebController(Protocol):
         """Load a run-config profile by file name (the desktop "Load Config" button)."""
 
     def save_dataset(self, path: str, name: str) -> None:
-        """Save the runtime dataset to ``path``/``name`` (the desktop "Save Dataset" button)."""
+        """Save up to 1000 recent measurements to ``path``/``name``."""
+
+    def select_combo(self, input_pos: int, output_pos: int) -> None:
+        """Select the matrix B-scan input/output pair shown by the desktop."""
+
+    def next_combo(self) -> None:
+        """Advance the matrix B-scan display to the next input/output pair."""
 
     def current_live_settings(self) -> list:
         """Return the live-settings schema (built from the Qt widgets)."""