added tmp reference capture

python_app/gui/controllers/app_window_preprocess_mixin.py

@@ -14,9 +14,13 @@ from python_app.workflows.multi_radar_capture_workflow import (
     MultiRadarSequentialCaptureSession,
 )
 from python_app.workflows.radar_config_variants import scan_radar_config_variants
+from python_app.workflows.reference_workflow import capture_reference_set
 from python_app.workflows.sequential_capture_workflow import SequentialCaptureSession
 
 
+TMP_REFERENCE_SET_NAME = "tmp_reference"
+
+
 class AppWindowPreprocessMixin:
     """Handles preprocess set management and sequential capture workflows."""
 
@@ -103,6 +107,63 @@ class AppWindowPreprocessMixin:
         dialog.raise_()
         dialog.activateWindow()
 
+    def _capture_tmp_reference(self) -> None:
+        """Capture, save, and select a temporary S21 reference with current sweep settings."""
+        if self._capture_session is not None:
+            self._show_error(
+                "Cannot capture tmp reference during active capture sequence",
+                details=self._capture_state_details(),
+            )
+            return
+
+        pipeline_was_running = self._supervisor.is_running()
+        pipeline_was_paused = False
+
+        try:
+            if pipeline_was_running:
+                self._log("Pipeline paused for tmp reference capture")
+                self._stop_run()
+                pipeline_was_paused = True
+
+            config = self._build_config()
+            radar_key = self._radar_key(config)
+            self._log(
+                "Tmp S21 Reference capture started: "
+                f"set={TMP_REFERENCE_SET_NAME}, radar_key={radar_key}"
+            )
+
+            radar_key, collection = capture_reference_set(config, TMP_REFERENCE_SET_NAME, self._store)
+            self._selected_preprocess_sets["s21_reference"] = TMP_REFERENCE_SET_NAME
+            self._selected_preprocess_radar_key = radar_key
+            self._processor_run_signature = None
+            self._history_run_signature = None
+            if self._supervisor.is_processor_running():
+                self._stop_all_processes()
+            self._reset_runtime_history()
+            self._refresh_preprocess_summary_labels()
+            if collection.traces:
+                self._draw_single_trace(
+                    collection.traces[-1],
+                    title="Tmp S21 Reference last trace",
+                    channel="s21",
+                )
+            if self._preprocess_dialog is not None:
+                self._refresh_sets()
+                self._preprocess_dialog.set_status(
+                    f"S21 Reference set saved: {TMP_REFERENCE_SET_NAME} ({len(collection.traces)} traces)"
+                )
+
+            self._log(
+                "Tmp S21 Reference captured and selected: "
+                f"set={TMP_REFERENCE_SET_NAME}, key={radar_key}, traces={len(collection.traces)}; "
+                "runtime history reset"
+            )
+        except Exception as exc:  # noqa: BLE001
+            self._show_exception("Failed to capture tmp reference", exc)
+        finally:
+            if pipeline_was_paused:
+                self._start_run()
+
     def _ensure_preprocess_dialog(self) -> PreprocessDialog:
         """Create preprocessing dialog lazily and wire its signals once."""
         if self._preprocess_dialog is not None:

python_app/gui/controllers/sections/data_actions_section.py

@@ -31,6 +31,9 @@ def build_data_actions_group(owner) -> QGroupBox:
     remove_last_button = QPushButton("Remove Last Measurement")
     remove_last_button.clicked.connect(owner._remove_last_runtime_history)
     remove_last_button.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
+    capture_tmp_reference_button = QPushButton("Capture Tmp Reference")
+    capture_tmp_reference_button.clicked.connect(owner._capture_tmp_reference)
+    capture_tmp_reference_button.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
     owner._save_count = QSpinBox()
     owner._save_count.setMinimum(1)
     owner._save_count.setMaximum(10_000)
@@ -41,7 +44,8 @@ def build_data_actions_group(owner) -> QGroupBox:
     button_grid.setVerticalSpacing(8)
     button_grid.addWidget(save_button, 0, 0)
     button_grid.addWidget(save_vna_json_button, 0, 1)
-    button_grid.addWidget(remove_last_button, 1, 0, 1, 2)
+    button_grid.addWidget(remove_last_button, 1, 0)
+    button_grid.addWidget(capture_tmp_reference_button, 1, 1)
     button_grid.setColumnStretch(0, 1)
     button_grid.setColumnStretch(1, 1)
     layout.addLayout(button_grid)