{"message":"Votello API","endpoints":{"scan":"GET /api/products/barcode/{barcode}","search":"GET /api/products/search?q=...","company":"GET /api/companies/{id}","ownership_tree":"GET /api/companies/{id}/tree?direction=down","signals":"GET /api/companies/{id}/signals","research":"POST /api/research/","research_queue":"GET /api/research/queue"}}