better logs again

backend/src/main.py

@@ -126,12 +126,9 @@ def new_trip(preferences: Preferences,
         refined_tour = refiner.refine_optimization(landmarks, base_tour,
                                                preferences.max_time_minute,
                                                preferences.detour_tolerance_minute)
-    except TimeoutError as te :
-        logger.warning(f'Refiner failed : {str(te)} Using base tour.')
-        refined_tour = base_tour
     except Exception as exc :
-        logger.error(f"Trip generation failed: {str(exc)}")
-        raise HTTPException(status_code=500, detail=f"An unexpected error occurred: {str(exc)}") from exc
+        logger.warning(f"Refiner failed. Proceeding with base trip {str(exc)}")
+        refined_tour = base_tour
 
     t_second_stage = time.time() - start_time
 

backend/src/optimization/refiner.py

@@ -356,7 +356,7 @@ class Refiner :
 
         # If unsuccessful optimization, use the base_tour.
         if new_tour is None:
-            self.logger.warning("No solution found for the refined tour. Returning the initial tour.")
+            self.logger.warning("Refiner failed: No solution found during second stage optimization.")
             new_tour = base_tour
 
         # If only one landmark, return it.
@@ -369,6 +369,7 @@ class Refiner :
         # Fix the tour using Polygons if the path looks weird.
         # Conditions : circular trip and invalid polygon.
         if base_tour[0].location == base_tour[-1].location and not better_poly.is_valid :
+            self.logger.debug("Tours might be funky, attempting to correct with polygons")
             better_tour = self.fix_using_polygon(better_tour)
 
         return better_tour