fix: distance sargasses = min(patches) live ST_Dump, plus fiable que la valeur stockée

backend/src/Controller/SpotScoreController.php

@@ -49,6 +49,16 @@ class SpotScoreController extends AbstractController
             $current = $this->scoreService->getCachedScore($id);
         }
 
+        $patches = $this->loadPatches($id);
+
+        // La distance issue des patches (ST_Dump live) est plus fiable que
+        // distance_to_nearest_sargassum stockée (peut venir d'une obs lointaine).
+        // On l'utilise comme référence si des patches sont détectés à proximité.
+        if ($current !== null && !empty($patches)) {
+            $minPatchDist = min(array_column($patches, 'distanceKm'));
+            $current['distance'] = $minPatchDist;
+        }
+
         $currentDistanceKm = $current !== null ? $current['distance'] : null;
 
         return $this->json([
@@ -57,7 +67,7 @@ class SpotScoreController extends AbstractController
             'type'     => $spot->getType(),
             'region'   => $spot->getRegion(),
             'score'    => $current,
-            'patches'  => $this->loadPatches($id),
+            'patches'  => $patches,
             'horizons' => $this->loadHorizonScores($id, $currentDistanceKm),
         ]);
     }