feat: refactor whole bunch of stuff

lib/recipeSchema.ts

@@ -1,4 +1,5 @@
 import { z } from "npm:zod";
+import { RecipeResource } from "./marka/schema.ts";
 
 export const IngredientSchema = z.object({
   quantity: z.string().describe(
@@ -17,7 +18,6 @@ export const IngredientGroupSchema = z.object({
 export type IngredientGroup = z.infer<typeof IngredientGroupSchema>;
 
 const recipeSchema = z.object({
-  _type: z.literal("Recipe"),
   name: z.string().describe(
     "Title of the Recipe, without the name of the website or author",
   ),
@@ -29,6 +29,9 @@ const recipeSchema = z.object({
     _type: z.literal("Person"),
     name: z.string().describe("author of the Recipe (optional)"),
   }),
+  keywords: z.array(z.string()).describe(
+    "List of keywords that match the recipe",
+  ),
   recipeIngredient: z.array(z.string())
     .describe("List of ingredients"),
   recipeInstructions: z.array(z.string()).describe("List of instructions"),
@@ -48,7 +51,7 @@ export const recipeResponseSchema = z.union([recipeSchema, noRecipeSchema]);
 
 export function isValidRecipe(
   recipe:
-    | Recipe
+    | RecipeResource
     | null
     | undefined,
 ) {