improved logging

python_app/models/gui_profile_codec.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import logging
 from typing import Any
 
 from python_app.models.gui_profile_schema import (
@@ -18,6 +19,8 @@ from python_app.models.gui_profile_schema import (
 )
 from python_app.models.run_config_model import RunConfigModel
 
+logger = logging.getLogger(__name__)
+
 
 def _as_dict(value: Any, context: str) -> dict[str, Any]:
     """Validate payload node is object-like, treating missing values as empty object."""
@@ -74,6 +77,7 @@ def gui_profile_from_dict(payload: dict[str, Any]) -> GuiProfileModel:
     profile = GuiProfileModel(run_config=RunConfigModel.from_dict(payload), gui=None)
     gui_payload = payload.get("gui")
     if gui_payload is None:
+        logger.debug("Decoded GUI profile without a 'gui' section; UI state left unset")
         return profile
 
     gui_object = _as_dict(gui_payload, "gui")
@@ -124,6 +128,7 @@ def gui_profile_from_dict(payload: dict[str, Any]) -> GuiProfileModel:
         and root_gpr_object.get("mode") in {"point", "extended"}
     )
     if selected_mode == "gpr" and (legacy_algorithm_mode is not None or has_legacy_root_gpr_mode):
+        logger.debug("Migrating legacy GPR profile: rewriting selected_mode 'gpr' -> 'legacy_gpr'")
         selected_mode = "legacy_gpr"
 
     gpr_context = "gui.processing.gpr"
@@ -495,6 +500,7 @@ def gui_profile_from_dict(payload: dict[str, Any]) -> GuiProfileModel:
     )
 
     profile.gui = gui
+    logger.debug("Decoded GUI profile: selected_mode=%s", gui.processing.selected_mode)
     return profile