settings: no restart notice until a restart is owed

The idle text under the tabs explained the row glyph; the glyph's
tooltip already does, so the notice and its button now stay hidden
until a restart-only setting has been saved with a new value.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 python3.13libs/hc/hcsettings.py | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/python3.13libs/hc/hcsettings.py b/python3.13libs/hc/hcsettings.py
index 42e701d..171a4d6 100644
--- a/python3.13libs/hc/hcsettings.py
+++ b/python3.13libs/hc/hcsettings.py
@@ -305,11 +305,12 @@ class HCSettingsPanel(QWidget):
         buttons = QDialogButtonBox(QDialogButtonBox.Save)
         buttons.accepted.connect(self._save)
 
-        # The notice under the tabs: idle it explains the marker, once a
-        # restart-only setting has been saved with a new value it names the
-        # settings and offers the restart.
+        # The notice under the tabs: hidden until a restart-only setting has
+        # been saved with a new value, then it names the settings and offers
+        # the restart.
         self._restart_banner = QLabel()
         self._restart_banner.setWordWrap(True)
+        self._restart_banner.setStyleSheet("color: #e0a040;")
         self._restart_button = QPushButton("Restart Houdini")
         self._restart_button.clicked.connect(self._restart)
         notice = QHBoxLayout()
@@ -392,16 +393,14 @@ class HCSettingsPanel(QWidget):
             else:
                 mark.setText(self.RESTART_MARK)
                 mark.setStyleSheet("color: #808080;")
+        # Nothing under the tabs until a restart is actually owed; the row
+        # glyph and its tooltip carry the explanation the rest of the time.
         if pending:
             names = ", ".join(hcschema.label_for(path[-1], hcschema.lookup(path))
                               for path in pending)
             self._restart_banner.setText(
                 f"{self.RESTART_MARK} Restart Houdini to apply: {names}")
-            self._restart_banner.setStyleSheet("color: #e0a040;")
-        else:
-            self._restart_banner.setText(
-                f"Settings marked {self.RESTART_MARK} take effect on next start.")
-            self._restart_banner.setStyleSheet("color: #808080;")
+        self._restart_banner.setVisible(bool(pending))
         self._restart_button.setVisible(bool(pending))
 
     def _restart(self):