Finely dice the yellow onion, celery, and garlic.
In a large heavy-bottomed pot, melt the ghee over medium heat and sauté the onion and celery until soft and translucent.
Add the minced garlic and tomato paste, stirring constantly for 1 minute until the paste turns a deep brick red.
Pour in the seafood stock and add the dried thyme, sea salt, and black pepper.
Bring the liquid to a gentle boil, then reduce heat and simmer for 10 minutes to concentrate the flavors.
Using an immersion blender, puree the soup base until it is completely smooth and velvety.
Stir in the full-fat coconut milk and the cooked lobster meat, heating for 2-3 minutes until the lobster is warmed through.
Ladle the bisque into a shallow bowl and garnish with finely chopped fresh chives before serving.