feat(dataset-groups): CRUD, latest-in-group, group SLD with dataset fallback, CreateRasterFromFile

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

internal/transport/http/router.go

@@ -10,11 +10,13 @@ import (
 
 // RouterDeps holds the handlers and dependencies the router mounts.
 type RouterDeps struct {
-	Logger      *slog.Logger
-	Health      *HealthHandler
-	Categories  *CategoryHandler
-	Datasets    *DatasetHandler
-	OpenAPISpec []byte
+	Logger     *slog.Logger
+	Health     *HealthHandler
+	Categories *CategoryHandler
+	Datasets   *DatasetHandler
+	// DatasetGroups serves the /dataset-groups routes.
+	DatasetGroups *DatasetGroupHandler
+	OpenAPISpec   []byte
 }
 
 // NewRouter builds the application's HTTP handler with middleware and routes.
@@ -37,6 +39,7 @@ func NewRouter(deps RouterDeps) http.Handler {
 	// Domain routes. Add future feature routers here.
 	r.Route("/categories", deps.Categories.Register)
 	r.Route("/datasets", deps.Datasets.Register)
+	r.Route("/dataset-groups", deps.DatasetGroups.Register)
 
 	return r
 }