Mix all the seasoning ingredients in a small bowl and set aside.
Prepare the rest of the ingredients. Cut cabbage into 1" width pieces. Slice carrot thinly. Remove strings from snow peas. Slice mushrooms diagonally. Cut sliced pork into bite-size pieces. Devein shrimp. Make crossing shallow cuts on the surface of squid and cut into 1/2" width pieces. Cook quail eggs in boiling water for 4-5 minutes and remove shells.
Heat a wok with oil at medium heat. Cook pork until its color changes. Add cabbage, carrot, and mushroom, and cook for a couple of minutes. Then add snow peas, shrimp, and squid, and cook until the shrimp and squid are cooked through.
Pour mixed seasonings over the vegetables. Stir-fry for a minute. In a separate small bowl, mix potato starch and water, and add to the wok. Cook until the sauce is thickened, stirring constantly. Add boiled quail eggs and sesame oil, and remove from heat. Serve immediately.