chore: rename Beamline Setup to Beamline setup, comment tweaks

Panel title case now matches the other banner names. Also clarify the
splash banner comment in gui.py.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/aare/gui/gui.py

@@ -21,8 +21,7 @@ def main():
     try:
         basedir = os.path.dirname(__file__)
         icon_path = os.path.join(basedir, "graphics/aaregui_logo.svg")
-        # The banner is an SVG now; the old aare_banner.png no longer exists
-        # and yielded a null splash pixmap.
+        # SVG looks strange on consoles...only show one line
         banner_path = os.path.join(basedir, "graphics/aare_banner.png")
     except Exception:
         logger.exception("Failed to load resources for splash screen")

src/aare/gui/main_window.py

@@ -953,8 +953,8 @@ class MainWindow(QMainWindow):
         self.beamline.illumination_panel.front_light.connect(self.daq.front_light)
         self.beamline.illumination_panel.back_light.connect(self.daq.back_light)
 
-        # Energy row inside Exp. Config. — not staff-gated like the Beamline
-        # Setup copy; the server enforces write permission anyway.
+        # Energy row inside Exp. Config. — not staff-gated like the
+        # Beamline setup copy; the server enforces write permission anyway.
         self.data_collection.change_energy.connect(self.daq.change_energy)
 
         if self._decoded_token.staff:

src/aare/gui/panels/data_collection_settings.py

@@ -28,7 +28,7 @@ from aare.gui.widgets.title_label import TitleLabel, tighten_column
 
 class DataCollectionSettings(QFrame):
     cancel = Signal()
-    # Same convention as the Beamline Setup panel: keV in the GUI, eV on emit.
+    # Same convention as the Beamline setup panel: keV in the GUI, eV on emit.
     change_energy = Signal(float)
 
     set_width = 400
@@ -85,7 +85,7 @@ class DataCollectionSettings(QFrame):
         centering_layout.addWidget(self.find_tip)
         centering_layout.addWidget(self.bounding_box)
 
-        # Energy row copied from the Beamline Setup panel so users can change
+        # Energy row copied from the Beamline setup panel so users can change
         # energy without leaving the experiment configuration.
         self.energy_spin = QDoubleSpinBox(parent=self)
         self.energy_spin.setDecimals(3)

src/aare/gui/panels/monochromator_panel.py

@@ -16,7 +16,7 @@ class MonochromatorPanel(QWidget):
         grid_layout = QGridLayout(self)
         grid_layout.addWidget(
             TitleLabel(
-                "Beamline Setup", self, collapsible=True, default_collapsed=False
+                "Beamline setup", self, collapsible=True, default_collapsed=False
             ),
             0,
             0,