Remove the lid from the Instant Pot and select the Saute setting. Add the sodium-reduced chicken stock, sodium-reduced soy sauce, ground white pepper, kombu, bonito flakes, sea salt, and sesame oil. Allow the mixture to come to a low boil. Select the Keep Warm setting on the Instant Pot and allow the mixture to steep.
Ladle a cup of the stock mixture into a small saucepan over medium heat and add the sliced mushrooms. Allow the mushrooms to simmer in the soy sauce mixture for 2-minutes. Set aside.
Julienne the carrots, slice the peppers and green onions and set them aside for later.
Prepare the ramen, set a small stockpot filled halfway with water over med-high heat; when the water begins to boil, add a pinch of sea salt, then add 2-packages of instant ramen noodles, cook until the noodles are al dente in about 2-minutes.
Portion the ramen noodles evenly into 2-serving bowls, add 3-4 ounces of salmon into each bowl, add sliced mushrooms, julienned carrots, and sliced peppers. Ladle the hot broth into each bowl. Garnish with sliced green onions, sesame seeds, and garlic chili oil. Add half a hard-boiled egg into each bowl. Serve.