Phase 1 : endpoints API complets

- CoastalPoint → shortName Spot → /api/spots (API Platform)
- SargassumForecast → shortName Forecast → /api/forecasts
- ObservationController : GET /api/observations avec filtres
  bbox (PostGIS ST_Intersects), date, source + geometry ST_AsGeoJSON
- SpotScoreController : GET /api/spots/{id}/score avec ?at= optionnel
- FeedbackController : POST /api/feedback, anonyme, fingerprint SHA256
- CORS : autorisation radarsargasses971.com + localhost dev

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/Entity/CoastalPoint.php

@@ -6,6 +6,7 @@ use ApiPlatform\Metadata\ApiResource;
 use ApiPlatform\Metadata\Get;
 use ApiPlatform\Metadata\GetCollection;
 use App\Repository\CoastalPointRepository;
+use Symfony\Component\Serializer\Annotation\Groups;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
@@ -16,10 +17,13 @@ use Symfony\Component\Uid\Uuid;
 #[ORM\Index(columns: ['type'], name: 'idx_coastal_type')]
 #[ORM\Index(columns: ['region'], name: 'idx_coastal_region')]
 #[ApiResource(
+    shortName: 'Spot',
     operations: [
         new GetCollection(),
         new Get(),
-    ]
+    ],
+    normalizationContext: ['groups' => ['spot:read']],
+    order: ['name' => 'ASC'],
 )]
 class CoastalPoint
 {
@@ -30,15 +34,19 @@ class CoastalPoint
     private ?Uuid $id = null;
 
     #[ORM\Column(length: 150)]
+    #[Groups(['spot:read'])]
     private ?string $name = null;
 
     #[ORM\Column(type: 'geometry', options: ['geometry_type' => 'POINT', 'srid' => 4326])]
+    #[Groups(['spot:read'])]
     private mixed $geometry = null;
 
     #[ORM\Column(length: 30)]
+    #[Groups(['spot:read'])]
     private ?string $type = null;
 
     #[ORM\Column(length: 100)]
+    #[Groups(['spot:read'])]
     private ?string $region = null;
 
     #[ORM\OneToMany(targetEntity: ImpactScore::class, mappedBy: 'coastalPoint')]