Rainbow Cookies Meet Crumb Cake

Name: Rainbow Cookies Meet Crumb Cake
Ingredients: For the Rainbow Cookies:; 3 large eggs, separated; Kosher salt; 1/2 cup (100 grams) granulated sugar, divided; 1/2 teaspoon almond extract; 1/2 teaspoon vanilla extract; 1 cup (2 sticks, 226 grams) unsalted butter, at room temperature; 1 (7-ounce) tube (198 grams) almond paste; 2 cups (240 grams) all-purpose flour; 1/4 teaspoon red food coloring; 1/4 teaspoon green food coloring; 6 ounces (170 grams) smooth apricot or raspberry jam (or 3 ounces/85 grams of each); 4½ ounces (127 grams/¾ cup) chopped bittersweet chocolate or chocolate chips (70% to 82% preferably); Flaky sea salt; Rainbow or chocolate nonpareil sprinkles (optional); For the Crumb Topping:; ¾ cups (90 grams) all-purpose flour; 3 tablespoons (40 grams) light brown sugar; 1/2 teaspoon baking powder; 1/2 teaspoon ground cinnamon (optional); 3/4 teaspoon kosher salt; 4 tablespoons (57 grams) unsalted butter, melted