Update GPR and SAR3D processing

python_app/tests/test_gui_profile_codec.py

@@ -110,14 +110,20 @@ class GuiProfileCodecTest(unittest.TestCase):
         with self.assertRaises(ValueError):  # combos_text must be a JSON string, not a number
             GuiProfileModel.from_dict({"gui": {"switches": {"combos_text": 123}}})
 
-    def test_legacy_gpr_payload_migrates_selected_mode(self) -> None:
-        # An old payload that selects 'gpr' but carries a legacy root gpr.mode is migrated.
+    def test_obsolete_inactive_settings_are_ignored(self) -> None:
         decoded = GuiProfileModel.from_dict({
-            "gui": {"processing": {"selected_mode": "gpr"}},
-            "gpr": {"relative_permittivity": 4.0, "mode": "point"},
+            "gui": {"processing": {"selected_mode": "gpr", "legacy_gpr": "obsolete",
+                                    "gpr": {"algorithm": "legacy_point"}}},
+            "gpr": {"relative_permittivity": "obsolete", "mode": "point"},
         })
         assert decoded.gui is not None
-        self.assertEqual(decoded.gui.processing.selected_mode, "legacy_gpr")
+        self.assertEqual(decoded.gui.processing.selected_mode, "gpr")
+        self.assertNotIn("legacy_gpr", decoded.to_dict()["gui"]["processing"])
+        self.assertNotIn("relative_permittivity", decoded.to_dict()["gpr"])
+
+    def test_removed_processing_mode_is_rejected(self) -> None:
+        with self.assertRaisesRegex(ValueError, "selected_mode must be one of"):
+            GuiProfileModel.from_dict({"gui": {"processing": {"selected_mode": "legacy_gpr"}}})
 
     def test_modern_gpr_selection_is_not_migrated(self) -> None:
         decoded = GuiProfileModel.from_dict({"gui": {"processing": {"selected_mode": "gpr"}}})