some fixes and improvements

python_app/models/gui_profile_schema.py

@@ -88,6 +88,8 @@ class GuiLegacyGprStateModel:
     speed_m_s: float = 0.0
     ignore_socket_speed_enabled: bool = False
     look_angle_deg: float = 0.0
+    apply_freq_phase_correction: bool = True
+    reference_mode: str = "frame_center"
     snr_thresh: float = 4.5
     snr_comp_max: float = 25.0
     background_subtract_enabled: bool = True