refactor: log silent AttributeError catches, add _sync_class to remaining services, drop dead ctx slot

src/ui/main_window.py

@@ -247,9 +247,8 @@ class MainWindow(QMainWindow):
                 # Update server information display
                 self.update_server_info_display(new_hostname)
 
-        except AttributeError:
-            # Handle cases where the server list view might not be properly initialized
-            pass
+        except AttributeError as e:
+            logger.error(f"AttributeError in server_picked: {e}")
 
     def update_server_info_display(self, hostname):
         """Updates the server information section of the UI."""
@@ -405,7 +404,8 @@ class MainWindow(QMainWindow):
                 id_item = self.job_list_view.item(selected_row.row(), 0)
                 job_ids.append(id_item.text())
             return job_ids
-        except AttributeError:
+        except AttributeError as e:
+            logger.error(f"AttributeError in selected_job_ids: {e}")
             return []