Heat the olive oil in a large pot over medium-high heat. Add the onion and carrots and cook for 2 minutes. Add the celery and cook 2 minutes more. Add the red pepper, jalapeño pepper halves (if using), thyme, cumin seeds, beans with liquid, tomatoes, sea salt and tamari. Mix well, cover and let cook for 5 minutes. Remove cover, stir well and let cook for another 5 minutes, stirring often. Taste and adjust seasonings as necessary. Remove from the heat and add the coconut milk. Serve garnished with celery leaves. Bon appétit!