fix: combine park and dry to one action for after-queue cleanup

src/aare/daq/server.py

@@ -1200,6 +1200,25 @@ async def unmount(token: str = Depends(oauth2_scheme)):
     return "OK"
 
 
+@app.post("/sample/unmount_then_park_and_dry")
+@needs_hw_lock
+async def unmount_then_park_and_dry(token: str = Depends(oauth2_scheme)):
+    """
+    Unmount the current sample from the goniometer, then tell the robot to park and dry
+
+    Args:
+        token: OAuth2 access token.
+
+    Returns:
+        "OK" on success.
+    """
+    logger.debug("Unmount, then park and dry")
+    auth.check_jwt_rw(cfg, auth.parse_token(token))
+    daq.sample = None
+    daq.park_and_dry(park=True)
+    return "OK"
+
+
 @app.post("/sample/manual")
 @needs_hw_lock
 async def manual(s: SampleShortInfo, token: str = Depends(oauth2_scheme)):

src/aare/gui/main_window.py

@@ -1113,7 +1113,7 @@ class MainWindow(QMainWindow):
         self.job_list_panel.auto_scan.connect(self.daq.automated_scan)
 
         self.job_list_panel.unmount.connect(self.daq.unmount)
-        self.job_list_panel.park_and_dry.connect(self.daq.park_and_dry)
+        self.job_list_panel.unmount_then_park_and_dry.connect(self.daq.unmount_then_park_and_dry)
 
         # Gate manual mounts/unmounts on the hutch PSS state so the user gets an
         # immediate pop-up instead of the robot failing to move server-side.

src/aare/gui/panels/sample_queue_panel.py

@@ -31,7 +31,7 @@ logger = setup_logger(LOGGER_NAME)
 class SampleQueuePanel(QFrame):
     auto_scan = Signal(SampleShortInfo)
     unmount = Signal()
-    park_and_dry = Signal()
+    unmount_then_park_and_dry = Signal()
     viewer_track_online = Signal()
     samples_in_queue_changed = Signal(int)
     automation_running_changed = Signal(bool)
@@ -284,11 +284,12 @@ class SampleQueuePanel(QFrame):
         self.pause_automation()
 
         logger.info("Automation queue empty; unmounting current sample.")
-        self.unmount.emit()
 
         if self.park_and_dry_when_cleared.isChecked():
             logger.info("Automation queue empty; parking and drying TELL.")
-            self.park_and_dry.emit()
+            self.unmount_then_park_and_dry.emit()
+        else:
+            self.unmount.emit()
 
     def run(self):
         self._recovery_timer.stop()

src/aare/gui/threads/daq_worker.py

@@ -1499,7 +1499,10 @@ class DAQWorker(QObject):
     def anneal(self, time_s: float):
         self.generic_post(f"beamline/anneal?time_s={time_s:.1f}")
 
-    # TODO combine dry and park and dry
+    @Slot()
+    def unmount_then_park_and_dry(self):
+        self.generic_post("sample/unmount_then_park_and_dry")
+
     @Slot()
     def park_and_dry(self):
         self.generic_post("tell/park_and_dry")