diff --git a/workspaces/leetcode-api/graphql-codegen.config.ts b/workspaces/leetcode-api/graphql-codegen.config.ts
index f99ae76a..a22cbb04 100644
--- a/workspaces/leetcode-api/graphql-codegen.config.ts
+++ b/workspaces/leetcode-api/graphql-codegen.config.ts
@@ -1,6 +1,8 @@
 import type { CodegenConfig } from "@graphql-codegen/cli";
+import type { Types as GraphQLCodegen } from "@graphql-codegen/plugin-helpers";
+import immutableUpdate from "immutability-helper";
 
-const commonTypeScriptPluginConfig = {
+const commonTypeScriptPluginConfig: GraphQLCodegen.PluginConfig = {
   arrayInputCoercion: false,
   enumsAsTypes: true,
   defaultScalarType: "unknown",
@@ -10,50 +12,91 @@ const commonTypeScriptPluginConfig = {
   // TODO: add strictScalars: true
 };
 
-const headerPlugin = {
+const headerPlugin: GraphQLCodegen.OutputConfig = {
   add: {
     content: `
       // THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
       // Instead, update the generation process or inputs and run \`yarn codegen\`.
     `,
+    placement: "prepend",
+  },
+};
+
+const nearOperationFilePreset: GraphQLCodegen.ConfiguredOutput = {
+  preset: "near-operation-file",
+  presetConfig: {
+    // We enable `globalNamespace` below so that we don't import the base
+    // types through the preset, but let the specified plugins add the imports
+    // if necessary. This allows us to make sure the base types import is
+    // below the header, and it uses the ".ts" extension.
+    baseTypesPath: "<not-used-but-cannot-be-empty>",
+
+    extension: ".generated.ts",
+    fileName: null as string | null,
+  },
+  plugins: [headerPlugin],
+  config: {
+    ...commonTypeScriptPluginConfig,
+
+    // Specified plugins will handle the imports and exports!
+    globalNamespace: true,
+    noExport: true,
   },
 };
 
 const config: CodegenConfig = {
   schema: "schema.graphql",
-  documents: ["src/**/*.graphql"],
+  documents: ["src/api/**/query.graphql"],
   overwrite: true,
   emitLegacyCommonJSImports: false,
   generates: {
+    // Generate the base types file!
     "src/graphqlTypes.generated.ts": {
       plugins: [headerPlugin, "typescript"],
       config: commonTypeScriptPluginConfig,
     },
-    "src/": {
-      preset: "near-operation-file",
-      presetConfig: {
-        // The base types are not imported because of the use of
-        // `globalNamespace` below, instead our custom plugin will add the
-        // import, so that it can end up _below_ the header.
-        baseTypesPath: "<not-used-but-cannot-be-empty>",
-
-        extension: ".generated.ts",
-        fileName: "fetchGraphQL",
+
+    // Generate a file for the query variables and result types, near each
+    // operation.
+    "src/api/**/queryTypes.generated.ts": immutableUpdate(
+      nearOperationFilePreset,
+      {
+        presetConfig: { fileName: { $set: "queryTypes" } },
+        plugins: {
+          $push: [
+            // Explicitly add the base types import, since the preset was
+            // tricked into not adding it.
+            {
+              add: {
+                content:
+                  '\n\nimport type * as Types from "../../graphqlTypes.generated.ts";\n\n',
+                placement: "content",
+              },
+            },
+
+            // Generate TypeScript operations types, overriding the
+            // `globalNamespace` which was set in the preset.
+            { "typescript-operations": { globalNamespace: false } },
+          ],
+        },
+
+        // Do export the types.
+        config: { noExport: { $set: false } },
       },
-      plugins: [
-        headerPlugin,
-        { "typescript-operations": { globalNamespace: false } },
-        "./src/scripts/codegen/graphqlCodegenPlugin.ts",
-      ],
-      config: {
-        ...commonTypeScriptPluginConfig,
-
-        // Our custom plugin will handle the imports and exports!
-        globalNamespace: true,
-        noExport: true,
+    ),
+
+    // Generate a small SDK for each operation using our custom plugin.
+    "src/api/**/fetchGraphQL.generated.ts": immutableUpdate(
+      nearOperationFilePreset,
+      {
+        presetConfig: { fileName: { $set: "fetchGraphQL" } },
+        plugins: {
+          $push: ["./src/scripts/codegen/graphqlCodegenPlugin.ts"],
+        },
       },
-    },
+    ),
   },
+
   hooks: {
     afterAllFileWrite: ["prettier --write"],
   },
diff --git a/workspaces/leetcode-api/package.json b/workspaces/leetcode-api/package.json
index 1d976493..abf49918 100644
--- a/workspaces/leetcode-api/package.json
+++ b/workspaces/leetcode-api/package.json
@@ -42,11 +42,12 @@
     "cross-env": "7.0.3",
     "eslint": "9.12.0",
     "graphql-query-compress": "1.2.4",
+    "immutability-helper": "patch:immutability-helper@npm%3A3.1.1#~/.yarn/patches/immutability-helper-npm-3.1.1-482f1f8f58.patch",
     "jest": "29.7.0",
     "prettier": "3.3.3",
     "ts-jest": "29.2.5",
+    "ts-to-zod": "3.13.0",
     "tsx": "4.19.1",
-    "type-fest": "4.26.1",
     "typescript": "5.6.2"
   }
 }
diff --git a/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/fetchGraphQL.generated.ts b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/fetchGraphQL.generated.ts
index 4169d440..ecf363cc 100644
--- a/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/fetchGraphQL.generated.ts
+++ b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/fetchGraphQL.generated.ts
@@ -1,34 +1,44 @@
 // THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
 // Instead, update the generation process or inputs and run `yarn codegen`.
 
-import type { Simplify } from "type-fest";
+import { z } from "zod";
 
 import { getGraphQLClient } from "../../getGraphQLClient.ts";
-import type * as Types from "../../graphqlTypes.generated.ts";
-
-type ActiveDailyCodingChallengeQuestionQueryVariables = Types.Exact<{
-  [key: string]: never;
-}>;
-
-type ActiveDailyCodingChallengeQuestionQuery = {
-  activeDailyCodingChallengeQuestion?: {
-    date: unknown;
-    question: {
-      difficulty?: string | null;
-      questionFrontendId?: string | null;
-      title: string;
-      titleSlug: string;
-    };
-  } | null;
-};
-
-export type QueryVariables =
-  Simplify<ActiveDailyCodingChallengeQuestionQueryVariables>;
-export type Query = Simplify<ActiveDailyCodingChallengeQuestionQuery>;
+import type {
+  ActiveDailyCodingChallengeQuestionQuery as OriginalQueryResult,
+  ActiveDailyCodingChallengeQuestionQueryVariables as OriginalQueryVariables,
+} from "./queryTypes.generated.ts";
 
 export const QUERY =
   "query{activeDailyCodingChallengeQuestion{date question{difficulty questionFrontendId title titleSlug}}}";
 
-export function fetchGraphQL(variables: QueryVariables): Promise<Query> {
-  return getGraphQLClient().request(QUERY, variables);
+export const queryResultZodType = z.object({
+  activeDailyCodingChallengeQuestion: z
+    .object({
+      date: z.unknown(),
+      question: z.object({
+        difficulty: z.string().optional().nullable(),
+        questionFrontendId: z.string().optional().nullable(),
+        title: z.string(),
+        titleSlug: z.string(),
+      }),
+    })
+    .optional()
+    .nullable(),
+});
+
+export type QueryResult = z.infer<typeof queryResultZodType>;
+export type QueryVariables = OriginalQueryVariables;
+
+export async function fetchGraphQL(
+  variables: QueryVariables,
+): Promise<QueryResult> {
+  const untrustedData = await getGraphQLClient().request(QUERY, variables);
+
+  // The type annotation serves as a TypeScript assert that the generated
+  // Zod type is compatible with the types generated by GraphQL Codegen.
+  const validatedData: OriginalQueryResult =
+    queryResultZodType.parse(untrustedData);
+
+  return validatedData;
 }
diff --git a/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/main.ts b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/main.ts
index 8c63a785..3722026b 100644
--- a/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/main.ts
+++ b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/main.ts
@@ -16,17 +16,13 @@ const questionZodType = z.object({
   titleSlug: questionTitleSlugZodType,
 });
 
-const activeDailyCodingChallengeQuestionZodType = z
-  .object({
-    activeDailyCodingChallengeQuestion: z.object({
-      date: z
-        .string()
-        .trim()
-        .regex(/^\d{4}-\d{2}-\d{2}$/),
-      question: questionZodType,
-    }),
-  })
-  .transform((data) => data.activeDailyCodingChallengeQuestion);
+const activeDailyCodingChallengeQuestionZodType = z.object({
+  date: z
+    .string()
+    .trim()
+    .regex(/^\d{4}-\d{2}-\d{2}$/),
+  question: questionZodType,
+});
 
 export type ActiveDailyCodingChallengeQuestion = z.infer<
   typeof activeDailyCodingChallengeQuestionZodType
@@ -34,9 +30,11 @@ export type ActiveDailyCodingChallengeQuestion = z.infer<
 
 export async function fetchActiveDailyCodingChallengeQuestionWithoutDateValidation(): Promise<ActiveDailyCodingChallengeQuestion> {
   // TODO: have a way to omit variables when there aren't any
-  const data = await fetchGraphQL({});
+  const { activeDailyCodingChallengeQuestion } = await fetchGraphQL({});
 
-  return activeDailyCodingChallengeQuestionZodType.parse(data);
+  return activeDailyCodingChallengeQuestionZodType.parse(
+    activeDailyCodingChallengeQuestion,
+  );
 }
 
 export async function fetchActiveDailyCodingChallengeQuestionWithDateValidation({
diff --git a/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/queryTypes.generated.ts b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/queryTypes.generated.ts
new file mode 100644
index 00000000..d814608f
--- /dev/null
+++ b/workspaces/leetcode-api/src/api/active-daily-coding-challenge-question/queryTypes.generated.ts
@@ -0,0 +1,20 @@
+// THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
+// Instead, update the generation process or inputs and run `yarn codegen`.
+
+import type * as Types from "../../graphqlTypes.generated.ts";
+
+export type ActiveDailyCodingChallengeQuestionQueryVariables = Types.Exact<{
+  [key: string]: never;
+}>;
+
+export type ActiveDailyCodingChallengeQuestionQuery = {
+  activeDailyCodingChallengeQuestion?: {
+    date?: unknown;
+    question: {
+      difficulty?: string | null;
+      questionFrontendId?: string | null;
+      title: string;
+      titleSlug: string;
+    };
+  } | null;
+};
diff --git a/workspaces/leetcode-api/src/api/question-list/fetchGraphQL.generated.ts b/workspaces/leetcode-api/src/api/question-list/fetchGraphQL.generated.ts
index 06ca7503..721259c1 100644
--- a/workspaces/leetcode-api/src/api/question-list/fetchGraphQL.generated.ts
+++ b/workspaces/leetcode-api/src/api/question-list/fetchGraphQL.generated.ts
@@ -1,37 +1,47 @@
 // THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
 // Instead, update the generation process or inputs and run `yarn codegen`.
 
-import type { Simplify } from "type-fest";
+import { z } from "zod";
 
 import { getGraphQLClient } from "../../getGraphQLClient.ts";
-import type * as Types from "../../graphqlTypes.generated.ts";
-
-type QuestionListQueryVariables = Types.Exact<{
-  categorySlug: Types.Scalars["String"]["input"];
-  limit?: Types.InputMaybe<Types.Scalars["Int"]["input"]>;
-  skip?: Types.InputMaybe<Types.Scalars["Int"]["input"]>;
-  filters: Types.QuestionListFilterInput;
-}>;
-
-type QuestionListQuery = {
-  questionList?: {
-    totalNum: number;
-    data: Array<{
-      difficulty?: string | null;
-      isPaidOnly?: boolean | null;
-      questionFrontendId?: string | null;
-      title: string;
-      titleSlug: string;
-    }>;
-  } | null;
-};
-
-export type QueryVariables = Simplify<QuestionListQueryVariables>;
-export type Query = Simplify<QuestionListQuery>;
+import type {
+  QuestionListQuery as OriginalQueryResult,
+  QuestionListQueryVariables as OriginalQueryVariables,
+} from "./queryTypes.generated.ts";
 
 export const QUERY =
   "query($categorySlug:String!,$limit:Int,$skip:Int,$filters:QuestionListFilterInput!){questionList(categorySlug:$categorySlug limit:$limit skip:$skip filters:$filters){data{difficulty isPaidOnly questionFrontendId title titleSlug}totalNum}}";
 
-export function fetchGraphQL(variables: QueryVariables): Promise<Query> {
-  return getGraphQLClient().request(QUERY, variables);
+export const queryResultZodType = z.object({
+  questionList: z
+    .object({
+      totalNum: z.number(),
+      data: z.array(
+        z.object({
+          difficulty: z.string().optional().nullable(),
+          isPaidOnly: z.boolean().optional().nullable(),
+          questionFrontendId: z.string().optional().nullable(),
+          title: z.string(),
+          titleSlug: z.string(),
+        }),
+      ),
+    })
+    .optional()
+    .nullable(),
+});
+
+export type QueryResult = z.infer<typeof queryResultZodType>;
+export type QueryVariables = OriginalQueryVariables;
+
+export async function fetchGraphQL(
+  variables: QueryVariables,
+): Promise<QueryResult> {
+  const untrustedData = await getGraphQLClient().request(QUERY, variables);
+
+  // The type annotation serves as a TypeScript assert that the generated
+  // Zod type is compatible with the types generated by GraphQL Codegen.
+  const validatedData: OriginalQueryResult =
+    queryResultZodType.parse(untrustedData);
+
+  return validatedData;
 }
diff --git a/workspaces/leetcode-api/src/api/question-list/main.ts b/workspaces/leetcode-api/src/api/question-list/main.ts
index 39c0d592..bda40b92 100644
--- a/workspaces/leetcode-api/src/api/question-list/main.ts
+++ b/workspaces/leetcode-api/src/api/question-list/main.ts
@@ -18,12 +18,10 @@ export type QuestionListQuestion = z.infer<typeof questionZodType>;
 
 const questionListZodType = z
   .object({
-    questionList: z.object({
-      data: z.array(questionZodType),
-      totalNum: z.number().int().nonnegative(),
-    }),
+    data: z.array(questionZodType),
+    totalNum: z.number().int().nonnegative(),
   })
-  .transform(({ questionList: { data, totalNum } }) => ({
+  .transform(({ data, totalNum }) => ({
     questions: data,
     totalNum,
   }));
@@ -52,12 +50,12 @@ export async function fetchQuestionList({
   limit: number;
   skip: number;
 }): Promise<QuestionList> {
-  const data = await fetchGraphQL({
+  const { questionList } = await fetchGraphQL({
     categorySlug,
     filters,
     limit,
     skip,
   });
 
-  return questionListZodType.parse(data);
+  return questionListZodType.parse(questionList);
 }
diff --git a/workspaces/leetcode-api/src/api/question-list/queryTypes.generated.ts b/workspaces/leetcode-api/src/api/question-list/queryTypes.generated.ts
new file mode 100644
index 00000000..fbdf3f2b
--- /dev/null
+++ b/workspaces/leetcode-api/src/api/question-list/queryTypes.generated.ts
@@ -0,0 +1,24 @@
+// THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
+// Instead, update the generation process or inputs and run `yarn codegen`.
+
+import type * as Types from "../../graphqlTypes.generated.ts";
+
+export type QuestionListQueryVariables = Types.Exact<{
+  categorySlug: Types.Scalars["String"]["input"];
+  limit?: Types.InputMaybe<Types.Scalars["Int"]["input"]>;
+  skip?: Types.InputMaybe<Types.Scalars["Int"]["input"]>;
+  filters: Types.QuestionListFilterInput;
+}>;
+
+export type QuestionListQuery = {
+  questionList?: {
+    totalNum: number;
+    data: Array<{
+      difficulty?: string | null;
+      isPaidOnly?: boolean | null;
+      questionFrontendId?: string | null;
+      title: string;
+      titleSlug: string;
+    }>;
+  } | null;
+};
diff --git a/workspaces/leetcode-api/src/api/recent-ac-submission-list/fetchGraphQL.generated.ts b/workspaces/leetcode-api/src/api/recent-ac-submission-list/fetchGraphQL.generated.ts
index 948ca991..deb0bace 100644
--- a/workspaces/leetcode-api/src/api/recent-ac-submission-list/fetchGraphQL.generated.ts
+++ b/workspaces/leetcode-api/src/api/recent-ac-submission-list/fetchGraphQL.generated.ts
@@ -1,31 +1,43 @@
 // THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
 // Instead, update the generation process or inputs and run `yarn codegen`.
 
-import type { Simplify } from "type-fest";
+import { z } from "zod";
 
 import { getGraphQLClient } from "../../getGraphQLClient.ts";
-import type * as Types from "../../graphqlTypes.generated.ts";
+import type {
+  RecentAcSubmissionListQuery as OriginalQueryResult,
+  RecentAcSubmissionListQueryVariables as OriginalQueryVariables,
+} from "./queryTypes.generated.ts";
 
-type RecentAcSubmissionListQueryVariables = Types.Exact<{
-  username: Types.Scalars["String"]["input"];
-  limit: Types.Scalars["Int"]["input"];
-}>;
+export const QUERY =
+  "query($username:String!,$limit:Int!){recentAcSubmissionList(username:$username,limit:$limit){id title titleSlug timestamp}}";
 
-type RecentAcSubmissionListQuery = {
-  recentAcSubmissionList?: Array<{
-    id?: string | null;
-    title?: string | null;
-    titleSlug?: string | null;
-    timestamp?: string | null;
-  }> | null;
-};
+export const queryResultZodType = z.object({
+  recentAcSubmissionList: z
+    .array(
+      z.object({
+        id: z.string().optional().nullable(),
+        title: z.string().optional().nullable(),
+        titleSlug: z.string().optional().nullable(),
+        timestamp: z.string().optional().nullable(),
+      }),
+    )
+    .optional()
+    .nullable(),
+});
 
-export type QueryVariables = Simplify<RecentAcSubmissionListQueryVariables>;
-export type Query = Simplify<RecentAcSubmissionListQuery>;
+export type QueryResult = z.infer<typeof queryResultZodType>;
+export type QueryVariables = OriginalQueryVariables;
 
-export const QUERY =
-  "query($username:String!,$limit:Int!){recentAcSubmissionList(username:$username,limit:$limit){id title titleSlug timestamp}}";
+export async function fetchGraphQL(
+  variables: QueryVariables,
+): Promise<QueryResult> {
+  const untrustedData = await getGraphQLClient().request(QUERY, variables);
+
+  // The type annotation serves as a TypeScript assert that the generated
+  // Zod type is compatible with the types generated by GraphQL Codegen.
+  const validatedData: OriginalQueryResult =
+    queryResultZodType.parse(untrustedData);
 
-export function fetchGraphQL(variables: QueryVariables): Promise<Query> {
-  return getGraphQLClient().request(QUERY, variables);
+  return validatedData;
 }
diff --git a/workspaces/leetcode-api/src/api/recent-ac-submission-list/main.ts b/workspaces/leetcode-api/src/api/recent-ac-submission-list/main.ts
index 2c95b6d1..bdabf294 100644
--- a/workspaces/leetcode-api/src/api/recent-ac-submission-list/main.ts
+++ b/workspaces/leetcode-api/src/api/recent-ac-submission-list/main.ts
@@ -20,11 +20,7 @@ const submissionZodType = z.object({
 
 export type RecentAcSubmission = z.infer<typeof submissionZodType>;
 
-const recentAcSubmissionListZodType = z
-  .object({
-    recentAcSubmissionList: z.array(submissionZodType),
-  })
-  .transform((data) => data.recentAcSubmissionList);
+const recentAcSubmissionListZodType = z.array(submissionZodType);
 
 export async function fetchRecentAcSubmissionList({
   limit = 50,
@@ -33,7 +29,7 @@ export async function fetchRecentAcSubmissionList({
   limit?: number;
   username: string;
 }): Promise<RecentAcSubmission[]> {
-  const data = await fetchGraphQL({ username, limit });
+  const { recentAcSubmissionList } = await fetchGraphQL({ username, limit });
 
-  return recentAcSubmissionListZodType.parse(data);
+  return recentAcSubmissionListZodType.parse(recentAcSubmissionList);
 }
diff --git a/workspaces/leetcode-api/src/api/recent-ac-submission-list/queryTypes.generated.ts b/workspaces/leetcode-api/src/api/recent-ac-submission-list/queryTypes.generated.ts
new file mode 100644
index 00000000..309e890e
--- /dev/null
+++ b/workspaces/leetcode-api/src/api/recent-ac-submission-list/queryTypes.generated.ts
@@ -0,0 +1,18 @@
+// THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
+// Instead, update the generation process or inputs and run `yarn codegen`.
+
+import type * as Types from "../../graphqlTypes.generated.ts";
+
+export type RecentAcSubmissionListQueryVariables = Types.Exact<{
+  username: Types.Scalars["String"]["input"];
+  limit: Types.Scalars["Int"]["input"];
+}>;
+
+export type RecentAcSubmissionListQuery = {
+  recentAcSubmissionList?: Array<{
+    id?: string | null;
+    title?: string | null;
+    titleSlug?: string | null;
+    timestamp?: string | null;
+  }> | null;
+};
diff --git a/workspaces/leetcode-api/src/api/topic/fetchGraphQL.generated.ts b/workspaces/leetcode-api/src/api/topic/fetchGraphQL.generated.ts
index ed3a04d0..0752204f 100644
--- a/workspaces/leetcode-api/src/api/topic/fetchGraphQL.generated.ts
+++ b/workspaces/leetcode-api/src/api/topic/fetchGraphQL.generated.ts
@@ -1,29 +1,48 @@
 // THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
 // Instead, update the generation process or inputs and run `yarn codegen`.
 
-import type { Simplify } from "type-fest";
+import { z } from "zod";
 
 import { getGraphQLClient } from "../../getGraphQLClient.ts";
-import type * as Types from "../../graphqlTypes.generated.ts";
+import type {
+  TopicQuery as OriginalQueryResult,
+  TopicQueryVariables as OriginalQueryVariables,
+} from "./queryTypes.generated.ts";
 
-type TopicQueryVariables = Types.Exact<{
-  topicId: Types.Scalars["Int"]["input"];
-}>;
+export const QUERY =
+  "query($topicId:Int!){topic(id:$topicId){title solutionTags{slug}post{content}}}";
 
-type TopicQuery = {
-  topic?: {
-    title: string;
-    solutionTags: Array<{ slug: string } | null>;
-    post: { content: string };
-  } | null;
-};
+export const queryResultZodType = z.object({
+  topic: z
+    .object({
+      title: z.string(),
+      solutionTags: z.array(
+        z
+          .object({
+            slug: z.string(),
+          })
+          .nullable(),
+      ),
+      post: z.object({
+        content: z.string(),
+      }),
+    })
+    .optional()
+    .nullable(),
+});
 
-export type QueryVariables = Simplify<TopicQueryVariables>;
-export type Query = Simplify<TopicQuery>;
+export type QueryResult = z.infer<typeof queryResultZodType>;
+export type QueryVariables = OriginalQueryVariables;
 
-export const QUERY =
-  "query($topicId:Int!){topic(id:$topicId){title solutionTags{slug}post{content}}}";
+export async function fetchGraphQL(
+  variables: QueryVariables,
+): Promise<QueryResult> {
+  const untrustedData = await getGraphQLClient().request(QUERY, variables);
+
+  // The type annotation serves as a TypeScript assert that the generated
+  // Zod type is compatible with the types generated by GraphQL Codegen.
+  const validatedData: OriginalQueryResult =
+    queryResultZodType.parse(untrustedData);
 
-export function fetchGraphQL(variables: QueryVariables): Promise<Query> {
-  return getGraphQLClient().request(QUERY, variables);
+  return validatedData;
 }
diff --git a/workspaces/leetcode-api/src/api/topic/main.ts b/workspaces/leetcode-api/src/api/topic/main.ts
index aa02b40f..2679a545 100644
--- a/workspaces/leetcode-api/src/api/topic/main.ts
+++ b/workspaces/leetcode-api/src/api/topic/main.ts
@@ -4,19 +4,13 @@ import { fetchGraphQL } from "./fetchGraphQL.generated.ts";
 
 // TODO: see if there are any fun GraphQL ESLint plugins
 
-const communitySolutionTopicZodType = z
-  .object({
-    topic: z.object({
-      title: z.string().trim(),
-      solutionTags: z.array(
-        z.object({ slug: z.string() }).transform(({ slug }) => slug),
-      ),
-      post: z
-        .object({ content: z.string() })
-        .transform(({ content }) => content),
-    }),
-  })
-  .transform((data) => data.topic);
+const communitySolutionTopicZodType = z.object({
+  title: z.string().trim(),
+  solutionTags: z.array(
+    z.object({ slug: z.string() }).transform(({ slug }) => slug),
+  ),
+  post: z.object({ content: z.string() }).transform(({ content }) => content),
+});
 
 export type CommunitySolutionTopic = z.infer<
   typeof communitySolutionTopicZodType
@@ -25,8 +19,10 @@ export type CommunitySolutionTopic = z.infer<
 export async function fetchCommunitySolutionTopic(
   topicId: string,
 ): Promise<CommunitySolutionTopic> {
-  // TODO: don't lie about the type
-  const data = await fetchGraphQL({ topicId: topicId as unknown as number });
+  const { topic } = await fetchGraphQL({
+    // TODO: don't lie about the type
+    topicId: topicId as unknown as number,
+  });
 
-  return communitySolutionTopicZodType.parse(data);
+  return communitySolutionTopicZodType.parse(topic);
 }
diff --git a/workspaces/leetcode-api/src/api/topic/queryTypes.generated.ts b/workspaces/leetcode-api/src/api/topic/queryTypes.generated.ts
new file mode 100644
index 00000000..10923f2f
--- /dev/null
+++ b/workspaces/leetcode-api/src/api/topic/queryTypes.generated.ts
@@ -0,0 +1,16 @@
+// THIS FILE IS GENERATED! DO NOT MODIFY IT MANUALLY!!
+// Instead, update the generation process or inputs and run `yarn codegen`.
+
+import type * as Types from "../../graphqlTypes.generated.ts";
+
+export type TopicQueryVariables = Types.Exact<{
+  topicId: Types.Scalars["Int"]["input"];
+}>;
+
+export type TopicQuery = {
+  topic?: {
+    title: string;
+    solutionTags: Array<{ slug: string } | null>;
+    post: { content: string };
+  } | null;
+};
diff --git a/workspaces/leetcode-api/src/scripts/codegen/createTypeScriptSourceFile.ts b/workspaces/leetcode-api/src/scripts/codegen/createTypeScriptSourceFile.ts
new file mode 100644
index 00000000..ff175d85
--- /dev/null
+++ b/workspaces/leetcode-api/src/scripts/codegen/createTypeScriptSourceFile.ts
@@ -0,0 +1,8 @@
+import { createSourceFile, ScriptTarget, type SourceFile } from "typescript";
+
+export function createTypeScriptSourceFile(
+  sourceText: string = "",
+): SourceFile {
+  // TODO: share this constant with the adventure pack?
+  return createSourceFile("not/a/real/file", sourceText, ScriptTarget.ESNext);
+}
diff --git a/workspaces/leetcode-api/src/scripts/codegen/generateQueryResultZodType.ts b/workspaces/leetcode-api/src/scripts/codegen/generateQueryResultZodType.ts
new file mode 100644
index 00000000..843938cf
--- /dev/null
+++ b/workspaces/leetcode-api/src/scripts/codegen/generateQueryResultZodType.ts
@@ -0,0 +1,28 @@
+import { generateZodSchemaVariableStatement } from "ts-to-zod";
+import { isTypeAliasDeclaration } from "typescript";
+
+import { only } from "@code-chronicles/util/only";
+
+import { getCodeForTypeScriptNode } from "./getCodeForTypeScriptNode.ts";
+import { readTypeScriptSourceFile } from "./readTypeScriptSourceFile.ts";
+
+export async function generateQueryResultZodType(
+  filePath: string,
+): Promise<string> {
+  // TODO: Unfortunately this ends up reading the _old_ version of this file, not the one after the codegen
+  const sourceFile = await readTypeScriptSourceFile(filePath);
+  const queryNode = only(
+    sourceFile.statements
+      .filter(isTypeAliasDeclaration)
+      .filter((statement) => statement.name.text.endsWith("Query")),
+  );
+
+  const { statement } = generateZodSchemaVariableStatement({
+    node: queryNode,
+    sourceFile,
+    varName: "queryResultZodType",
+    customJSDocFormatTypes: {},
+  });
+
+  return getCodeForTypeScriptNode(statement);
+}
diff --git a/workspaces/leetcode-api/src/scripts/codegen/getCodeForTypeScriptNode.ts b/workspaces/leetcode-api/src/scripts/codegen/getCodeForTypeScriptNode.ts
new file mode 100644
index 00000000..c504884c
--- /dev/null
+++ b/workspaces/leetcode-api/src/scripts/codegen/getCodeForTypeScriptNode.ts
@@ -0,0 +1,11 @@
+import { createPrinter, EmitHint, type Statement } from "typescript";
+
+import { createTypeScriptSourceFile } from "./createTypeScriptSourceFile.ts";
+
+export function getCodeForTypeScriptNode(statement: Statement): string {
+  return createPrinter().printNode(
+    EmitHint.Unspecified,
+    statement,
+    createTypeScriptSourceFile(""),
+  );
+}
diff --git a/workspaces/leetcode-api/src/scripts/codegen/graphqlCodegenPlugin.ts b/workspaces/leetcode-api/src/scripts/codegen/graphqlCodegenPlugin.ts
index 00d86614..07a8e75f 100644
--- a/workspaces/leetcode-api/src/scripts/codegen/graphqlCodegenPlugin.ts
+++ b/workspaces/leetcode-api/src/scripts/codegen/graphqlCodegenPlugin.ts
@@ -1,3 +1,5 @@
+import path from "node:path";
+
 import type { PluginFunction } from "@graphql-codegen/plugin-helpers";
 import graphqlQueryCompress from "graphql-query-compress";
 import invariant from "invariant";
@@ -8,6 +10,8 @@ import { isObject } from "@code-chronicles/util/isObject";
 import { only } from "@code-chronicles/util/only";
 import { spliceString } from "@code-chronicles/util/spliceString";
 
+import { generateQueryResultZodType } from "./generateQueryResultZodType.ts";
+
 const nonNegativeIntZodType = z.number().int().nonnegative();
 
 const operationNameZodType = z.object({
@@ -15,10 +19,13 @@ const operationNameZodType = z.object({
   loc: z.object({ start: nonNegativeIntZodType, end: nonNegativeIntZodType }),
 });
 
-export const plugin: PluginFunction<{}> = function plugin(_schema, documents) {
+export const plugin: PluginFunction<{}> = async function plugin(
+  _schema,
+  documents,
+) {
   // Encode some assumptions as invariants, namely that there is a single query
   // operation in the file.
-  const { document, rawSDL: unminifiedGraphQL } = only(documents);
+  const { document, rawSDL: unminifiedGraphQL, location } = only(documents);
   const definition = only(nullthrows(document).definitions);
   invariant(
     isObject(definition) &&
@@ -27,6 +34,16 @@ export const plugin: PluginFunction<{}> = function plugin(_schema, documents) {
     "Expected a query!",
   );
 
+  // TODO: should we call it a Zod schema instead?
+
+  // Generate a Zod type to parse the result!
+  const queryTypesFile = path.join(
+    path.dirname(nullthrows(location)),
+    "queryTypes.generated.ts",
+  );
+  const queryResultZodTypeCode =
+    await generateQueryResultZodType(queryTypesFile);
+
   // Extract the operation name from the definition, as well as information
   // about its location in the raw, unminified GraphQL.
   const {
@@ -51,21 +68,32 @@ export const plugin: PluginFunction<{}> = function plugin(_schema, documents) {
   return {
     prepend: [
       `
-        import type { Simplify } from "type-fest";
+        import { z } from "zod";
 
         import { getGraphQLClient } from "../../getGraphQLClient.ts";
-        import type * as Types from "../../graphqlTypes.generated.ts";
+        import type {
+          ${operationName}Query as OriginalQueryResult,
+          ${operationName}QueryVariables as OriginalQueryVariables,
+        } from "./queryTypes.generated.ts";
       `,
     ],
     append: [
       `
-        export type QueryVariables = Simplify<${operationName}QueryVariables>;
-        export type Query = Simplify<${operationName}Query>;  
-
         export const QUERY = ${JSON.stringify(minifiedGraphQL)};
 
-        export function fetchGraphQL(variables: QueryVariables): Promise<Query> {
-          return getGraphQLClient().request(QUERY, variables);
+        ${queryResultZodTypeCode}
+
+        export type QueryResult = z.infer<typeof queryResultZodType>;
+        export type QueryVariables = OriginalQueryVariables;
+
+        export async function fetchGraphQL(variables: QueryVariables): Promise<QueryResult> {
+          const untrustedData = await getGraphQLClient().request(QUERY, variables);
+
+          // The type annotation serves as a TypeScript assert that the generated
+          // Zod type is compatible with the types generated by GraphQL Codegen.
+          const validatedData: OriginalQueryResult = queryResultZodType.parse(untrustedData);
+
+          return validatedData;
         }
       `,
     ],
diff --git a/workspaces/leetcode-api/src/scripts/codegen/readTypeScriptSourceFile.ts b/workspaces/leetcode-api/src/scripts/codegen/readTypeScriptSourceFile.ts
new file mode 100644
index 00000000..0d6fe01b
--- /dev/null
+++ b/workspaces/leetcode-api/src/scripts/codegen/readTypeScriptSourceFile.ts
@@ -0,0 +1,14 @@
+import { readFile } from "node:fs/promises";
+
+import type { SourceFile } from "typescript";
+
+import { createTypeScriptSourceFile } from "./createTypeScriptSourceFile.ts";
+
+export async function readTypeScriptSourceFile(
+  path: string,
+): Promise<SourceFile> {
+  const sourceText = await readFile(path, { encoding: "utf8" });
+  return createTypeScriptSourceFile(sourceText);
+}
+
+// TODO: merge typescript and ts-morph stuff
diff --git a/yarn.lock b/yarn.lock
index f7807d2f..adddaa8d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1240,13 +1240,14 @@ __metadata:
     graphql: "npm:16.9.0"
     graphql-query-compress: "npm:1.2.4"
     graphql-request: "npm:7.1.0"
+    immutability-helper: "patch:immutability-helper@npm%3A3.1.1#~/.yarn/patches/immutability-helper-npm-3.1.1-482f1f8f58.patch"
     invariant: "npm:2.2.4"
     jest: "npm:29.7.0"
     nullthrows: "patch:nullthrows@npm%3A1.1.1#~/.yarn/patches/nullthrows-npm-1.1.1-3d1f817134.patch"
     prettier: "npm:3.3.3"
     ts-jest: "npm:29.2.5"
+    ts-to-zod: "npm:3.13.0"
     tsx: "npm:4.19.1"
-    type-fest: "npm:4.26.1"
     typescript: "npm:5.6.2"
     zod: "npm:3.23.8"
   languageName: unknown
@@ -2850,6 +2851,32 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@oclif/core@npm:>=3.26.0":
+  version: 4.0.27
+  resolution: "@oclif/core@npm:4.0.27"
+  dependencies:
+    ansi-escapes: "npm:^4.3.2"
+    ansis: "npm:^3.3.2"
+    clean-stack: "npm:^3.0.1"
+    cli-spinners: "npm:^2.9.2"
+    debug: "npm:^4.3.7"
+    ejs: "npm:^3.1.10"
+    get-package-type: "npm:^0.1.0"
+    globby: "npm:^11.1.0"
+    indent-string: "npm:^4.0.0"
+    is-wsl: "npm:^3"
+    lilconfig: "npm:^3.1.2"
+    minimatch: "npm:^9.0.5"
+    semver: "npm:^7.6.3"
+    string-width: "npm:^4.2.3"
+    supports-color: "npm:^8"
+    widest-line: "npm:^3.1.0"
+    wordwrap: "npm:^1.0.0"
+    wrap-ansi: "npm:^7.0.0"
+  checksum: 10c0/ee358d079785a23f88d816406b74eaa8bf00aba68b90307a5a46803bb96c7483ca3fd72f223cff1e2bfd0ca8a1fb1bdd4a76b165dad3e411a7dc19663cea960e
+  languageName: node
+  linkType: hard
+
 "@peculiar/asn1-schema@npm:^2.3.8":
   version: 2.3.13
   resolution: "@peculiar/asn1-schema@npm:2.3.13"
@@ -3469,6 +3496,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@typescript/vfs@npm:^1.5.0":
+  version: 1.6.0
+  resolution: "@typescript/vfs@npm:1.6.0"
+  dependencies:
+    debug: "npm:^4.1.1"
+  peerDependencies:
+    typescript: "*"
+  checksum: 10c0/35e17d92f0d4f33c4be12fc4468196788794bc2edc1a371f1023c42314f6d1e0e851f07b45732a634ef750e61e2ef8769e8ab4f6a6c511cea8da397fa87852ff
+  languageName: node
+  linkType: hard
+
 "@vladfrangu/async_event_emitter@npm:^2.2.4, @vladfrangu/async_event_emitter@npm:^2.4.6":
   version: 2.4.6
   resolution: "@vladfrangu/async_event_emitter@npm:2.4.6"
@@ -3824,7 +3862,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ansi-escapes@npm:^4.2.1, ansi-escapes@npm:^4.3.0":
+"ansi-escapes@npm:^4.2.1, ansi-escapes@npm:^4.3.0, ansi-escapes@npm:^4.3.2":
   version: 4.3.2
   resolution: "ansi-escapes@npm:4.3.2"
   dependencies:
@@ -3888,6 +3926,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ansis@npm:^3.3.2":
+  version: 3.3.2
+  resolution: "ansis@npm:3.3.2"
+  checksum: 10c0/7b5bd3d28e5fa12dbd2268e984b292540f863bb113fbaa78be93e512417df014e547279ecec264b39948364e13f245424a0bc911802d68def185545d2290d11c
+  languageName: node
+  linkType: hard
+
 "anymatch@npm:^3.0.3, anymatch@npm:~3.1.2":
   version: 3.1.3
   resolution: "anymatch@npm:3.1.3"
@@ -4338,7 +4383,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"callsites@npm:^3.0.0":
+"callsites@npm:^3.0.0, callsites@npm:^3.1.0":
   version: 3.1.0
   resolution: "callsites@npm:3.1.0"
   checksum: 10c0/fff92277400eb06c3079f9e74f3af120db9f8ea03bad0e84d9aede54bbe2d44a56cccb5f6cf12211f93f52306df87077ecec5b712794c5a9b5dac6d615a3f301
@@ -4387,6 +4432,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"case@npm:^1.6.3":
+  version: 1.6.3
+  resolution: "case@npm:1.6.3"
+  checksum: 10c0/43fcbb1dff1c4add94dd2bc98bd923d6616f10bff6959adf686d192c3db7d7ced35410761e1ac94cc4a1f5c41c86406ad79d390805539e421e8a77e553f67223
+  languageName: node
+  linkType: hard
+
 "chalk@npm:^2.4.2":
   version: 2.4.2
   resolution: "chalk@npm:2.4.2"
@@ -4538,7 +4590,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chokidar@npm:^3.5.3":
+"chokidar@npm:^3.5.1, chokidar@npm:^3.5.3":
   version: 3.6.0
   resolution: "chokidar@npm:3.6.0"
   dependencies:
@@ -4592,6 +4644,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"clean-stack@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "clean-stack@npm:3.0.1"
+  dependencies:
+    escape-string-regexp: "npm:4.0.0"
+  checksum: 10c0/4ea5c03bdf78e8afb2592f34c1b5832d0c7858d37d8b0d40fba9d61a103508fa3bb527d39a99469019083e58e05d1ad54447e04217d5d36987e97182adab0e03
+  languageName: node
+  linkType: hard
+
 "cli-cursor@npm:^3.1.0":
   version: 3.1.0
   resolution: "cli-cursor@npm:3.1.0"
@@ -4610,7 +4671,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"cli-spinners@npm:^2.5.0":
+"cli-spinners@npm:^2.5.0, cli-spinners@npm:^2.9.2":
   version: 2.9.2
   resolution: "cli-spinners@npm:2.9.2"
   checksum: 10c0/907a1c227ddf0d7a101e7ab8b300affc742ead4b4ebe920a5bf1bc6d45dce2958fcd195eb28fa25275062fe6fa9b109b93b63bc8033396ed3bcb50297008b3a3
@@ -4950,7 +5011,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"debug@npm:4, debug@npm:^4.0.0, debug@npm:^4.1.0, debug@npm:^4.1.1, debug@npm:^4.3.1, debug@npm:^4.3.2, debug@npm:^4.3.4, debug@npm:^4.3.5, debug@npm:~4.3.6":
+"debug@npm:4, debug@npm:^4.0.0, debug@npm:^4.1.0, debug@npm:^4.1.1, debug@npm:^4.2.0, debug@npm:^4.3.1, debug@npm:^4.3.2, debug@npm:^4.3.4, debug@npm:^4.3.5, debug@npm:^4.3.7, debug@npm:~4.3.6":
   version: 4.3.7
   resolution: "debug@npm:4.3.7"
   dependencies:
@@ -5491,6 +5552,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"escape-string-regexp@npm:4.0.0, escape-string-regexp@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "escape-string-regexp@npm:4.0.0"
+  checksum: 10c0/9497d4dd307d845bd7f75180d8188bb17ea8c151c1edbf6b6717c100e104d629dc2dfb687686181b0f4b7d732c7dfdc4d5e7a8ff72de1b0ca283a75bbb3a9cd9
+  languageName: node
+  linkType: hard
+
 "escape-string-regexp@npm:^1.0.5":
   version: 1.0.5
   resolution: "escape-string-regexp@npm:1.0.5"
@@ -5505,13 +5573,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"escape-string-regexp@npm:^4.0.0":
-  version: 4.0.0
-  resolution: "escape-string-regexp@npm:4.0.0"
-  checksum: 10c0/9497d4dd307d845bd7f75180d8188bb17ea8c151c1edbf6b6717c100e104d629dc2dfb687686181b0f4b7d732c7dfdc4d5e7a8ff72de1b0ca283a75bbb3a9cd9
-  languageName: node
-  linkType: hard
-
 "eslint-import-resolver-node@npm:^0.3.9":
   version: 0.3.9
   resolution: "eslint-import-resolver-node@npm:0.3.9"
@@ -5711,6 +5772,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"esm@npm:^3.2.25":
+  version: 3.2.25
+  resolution: "esm@npm:3.2.25"
+  checksum: 10c0/8e60e8075506a7ce28681c30c8f54623fe18a251c364cd481d86719fc77f58aa055b293d80632d9686d5408aaf865ffa434897dc9fd9153c8b3f469fad23f094
+  languageName: node
+  linkType: hard
+
 "espree@npm:^10.0.1, espree@npm:^10.2.0":
   version: 10.2.0
   resolution: "espree@npm:10.2.0"
@@ -6140,6 +6208,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fs-extra@npm:^11.1.1":
+  version: 11.2.0
+  resolution: "fs-extra@npm:11.2.0"
+  dependencies:
+    graceful-fs: "npm:^4.2.0"
+    jsonfile: "npm:^6.0.1"
+    universalify: "npm:^2.0.0"
+  checksum: 10c0/d77a9a9efe60532d2e790e938c81a02c1b24904ef7a3efb3990b835514465ba720e99a6ea56fd5e2db53b4695319b644d76d5a0e9988a2beef80aa7b1da63398
+  languageName: node
+  linkType: hard
+
 "fs-minipass@npm:^2.0.0":
   version: 2.1.0
   resolution: "fs-minipass@npm:2.1.0"
@@ -6378,7 +6457,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"globby@npm:^11.0.3":
+"globby@npm:^11.0.3, globby@npm:^11.1.0":
   version: 11.1.0
   resolution: "globby@npm:11.1.0"
   dependencies:
@@ -6782,7 +6861,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"inquirer@npm:^8.0.0":
+"inquirer@npm:^8.0.0, inquirer@npm:^8.2.0":
   version: 8.2.6
   resolution: "inquirer@npm:8.2.6"
   dependencies:
@@ -6964,6 +7043,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-docker@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "is-docker@npm:3.0.0"
+  bin:
+    is-docker: cli.js
+  checksum: 10c0/d2c4f8e6d3e34df75a5defd44991b6068afad4835bb783b902fa12d13ebdb8f41b2a199dcb0b5ed2cb78bfee9e4c0bbdb69c2d9646f4106464674d3e697a5856
+  languageName: node
+  linkType: hard
+
 "is-extglob@npm:^2.1.1":
   version: 2.1.1
   resolution: "is-extglob@npm:2.1.1"
@@ -7017,6 +7105,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-inside-container@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "is-inside-container@npm:1.0.0"
+  dependencies:
+    is-docker: "npm:^3.0.0"
+  bin:
+    is-inside-container: cli.js
+  checksum: 10c0/a8efb0e84f6197e6ff5c64c52890fa9acb49b7b74fed4da7c95383965da6f0fa592b4dbd5e38a79f87fc108196937acdbcd758fcefc9b140e479b39ce1fcd1cd
+  languageName: node
+  linkType: hard
+
 "is-interactive@npm:^1.0.0":
   version: 1.0.0
   resolution: "is-interactive@npm:1.0.0"
@@ -7063,6 +7162,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-observable@npm:^2.1.0":
+  version: 2.1.0
+  resolution: "is-observable@npm:2.1.0"
+  checksum: 10c0/f6ae9e136f66ad59c4faa4661112c389b398461cdeb0ef5bc3c505989469b77b2ba4602e2abc54a635d65f616eec9b5a40cd7d2c1f96b2cc4748b56635eba1c6
+  languageName: node
+  linkType: hard
+
 "is-plain-obj@npm:^4.0.0":
   version: 4.1.0
   resolution: "is-plain-obj@npm:4.1.0"
@@ -7189,6 +7295,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-wsl@npm:^3":
+  version: 3.1.0
+  resolution: "is-wsl@npm:3.1.0"
+  dependencies:
+    is-inside-container: "npm:^1.0.0"
+  checksum: 10c0/d3317c11995690a32c362100225e22ba793678fe8732660c6de511ae71a0ff05b06980cf21f98a6bf40d7be0e9e9506f859abe00a1118287d63e53d0a3d06947
+  languageName: node
+  linkType: hard
+
 "isarray@npm:^2.0.5":
   version: 2.0.5
   resolution: "isarray@npm:2.0.5"
@@ -7961,7 +8076,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lilconfig@npm:~3.1.2":
+"lilconfig@npm:^3.1.2, lilconfig@npm:~3.1.2":
   version: 3.1.2
   resolution: "lilconfig@npm:3.1.2"
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@@ -9011,6 +9126,13 @@ __metadata:
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   linkType: hard
 
+"observable-fns@npm:^0.6.1":
+  version: 0.6.1
+  resolution: "observable-fns@npm:0.6.1"
+  checksum: 10c0/bf25d5b3e4040233e886800c48b347361d9c7a1179f345590e671c2dd5ea9b4447bd5037f8ed40b2bb6fd7e205f0c5450eff15f48efdf91b3dec027007cf2834
+  languageName: node
+  linkType: hard
+
 "once@npm:^1.3.0":
   version: 1.4.0
   resolution: "once@npm:1.4.0"
@@ -9061,7 +9183,7 @@ __metadata:
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-"ora@npm:^5.4.1":
+"ora@npm:^5.4.0, ora@npm:^5.4.1":
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   resolution: "ora@npm:5.4.1"
   dependencies:
@@ -9366,6 +9488,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"prettier@npm:3.0.3":
+  version: 3.0.3
+  resolution: "prettier@npm:3.0.3"
+  bin:
+    prettier: bin/prettier.cjs
+  checksum: 10c0/f950887bc03c5b970d8c6dd129364acfbbc61e7b46aec5d5ce17f4adf6404e2ef43072c98b51c4786e0eaca949b307d362a773fd47502862d754b5a328fa2b26
+  languageName: node
+  linkType: hard
+
 "prettier@npm:3.2.5":
   version: 3.2.5
   resolution: "prettier@npm:3.2.5"
@@ -9837,7 +9968,7 @@ __metadata:
   languageName: node
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-"rxjs@npm:^7.5.5":
+"rxjs@npm:^7.4.0, rxjs@npm:^7.5.5":
   version: 7.8.1
   resolution: "rxjs@npm:7.8.1"
   dependencies:
@@ -10276,7 +10407,7 @@ __metadata:
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-"string-width-cjs@npm:string-width@^4.2.0, string-width@npm:^4.1.0, string-width@npm:^4.2.0, string-width@npm:^4.2.3":
+"string-width-cjs@npm:string-width@^4.2.0, string-width@npm:^4.0.0, string-width@npm:^4.1.0, string-width@npm:^4.2.0, string-width@npm:^4.2.3":
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   resolution: "string-width@npm:4.2.3"
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-"supports-color@npm:^8.0.0":
+"supports-color@npm:^8, supports-color@npm:^8.0.0":
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   resolution: "supports-color@npm:8.1.1"
   dependencies:
@@ -10523,6 +10654,22 @@ __metadata:
   languageName: node
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+"threads@npm:^1.7.0":
+  version: 1.7.0
+  resolution: "threads@npm:1.7.0"
+  dependencies:
+    callsites: "npm:^3.1.0"
+    debug: "npm:^4.2.0"
+    is-observable: "npm:^2.1.0"
+    observable-fns: "npm:^0.6.1"
+    tiny-worker: "npm:>= 2"
+  dependenciesMeta:
+    tiny-worker:
+      optional: true
+  checksum: 10c0/34114075c5eb253e937c01e0e51babb71eb1571c2fd4a8170645aa20c10186422324537d017d64bfd3de655cbb6647bf70d1d602260273b1e9750719d67f359a
+  languageName: node
+  linkType: hard
+
 "through@npm:^2.3.6, through@npm:^2.3.8":
   version: 2.3.8
   resolution: "through@npm:2.3.8"
@@ -10530,6 +10677,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tiny-worker@npm:>= 2":
+  version: 2.3.0
+  resolution: "tiny-worker@npm:2.3.0"
+  dependencies:
+    esm: "npm:^3.2.25"
+  checksum: 10c0/3106cace86e673216426a517e96fb72ce642ba79002554e4c6bceb585ba77cf5e5e68b452c752cada6136ae94fdbf11c56943a70de6c6bc6a2a3a9ae439746c9
+  languageName: node
+  linkType: hard
+
 "tinyglobby@npm:^0.2.9":
   version: 0.2.9
   resolution: "tinyglobby@npm:0.2.9"
@@ -10688,6 +10844,32 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-to-zod@npm:3.13.0":
+  version: 3.13.0
+  resolution: "ts-to-zod@npm:3.13.0"
+  dependencies:
+    "@oclif/core": "npm:>=3.26.0"
+    "@typescript/vfs": "npm:^1.5.0"
+    case: "npm:^1.6.3"
+    chokidar: "npm:^3.5.1"
+    fs-extra: "npm:^11.1.1"
+    inquirer: "npm:^8.2.0"
+    lodash: "npm:^4.17.21"
+    ora: "npm:^5.4.0"
+    prettier: "npm:3.0.3"
+    rxjs: "npm:^7.4.0"
+    slash: "npm:^3.0.0"
+    threads: "npm:^1.7.0"
+    tslib: "npm:^2.3.1"
+    tsutils: "npm:^3.21.0"
+    typescript: "npm:^5.2.2"
+    zod: "npm:^3.23.8"
+  bin:
+    ts-to-zod: bin/run
+  checksum: 10c0/f385a8f2fd5f41bd8e4c8d68d8d8b949410b99181409427d22cec5eed763205bae46592da940c256fbd33877f1bebc9355280404e5e76e8e9cd3ff39f50a7803
+  languageName: node
+  linkType: hard
+
 "ts-toolbelt@npm:^9.6.0":
   version: 9.6.0
   resolution: "ts-toolbelt@npm:9.6.0"
@@ -10714,6 +10896,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tslib@npm:^1.8.1":
+  version: 1.14.1
+  resolution: "tslib@npm:1.14.1"
+  checksum: 10c0/69ae09c49eea644bc5ebe1bca4fa4cc2c82b7b3e02f43b84bd891504edf66dbc6b2ec0eef31a957042de2269139e4acff911e6d186a258fb14069cd7f6febce2
+  languageName: node
+  linkType: hard
+
 "tslib@npm:^2.0.0, tslib@npm:^2.0.3, tslib@npm:^2.1.0, tslib@npm:^2.3.1, tslib@npm:^2.4.0, tslib@npm:^2.5.0, tslib@npm:^2.6.1, tslib@npm:^2.6.2, tslib@npm:^2.6.3":
   version: 2.7.0
   resolution: "tslib@npm:2.7.0"
@@ -10735,6 +10924,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tsutils@npm:^3.21.0":
+  version: 3.21.0
+  resolution: "tsutils@npm:3.21.0"
+  dependencies:
+    tslib: "npm:^1.8.1"
+  peerDependencies:
+    typescript: ">=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta"
+  checksum: 10c0/02f19e458ec78ead8fffbf711f834ad8ecd2cc6ade4ec0320790713dccc0a412b99e7fd907c4cda2a1dc602c75db6f12e0108e87a5afad4b2f9e90a24cabd5a2
+  languageName: node
+  linkType: hard
+
 "tsx@npm:4.19.1":
   version: 4.19.1
   resolution: "tsx@npm:4.19.1"
@@ -10833,7 +11033,7 @@ __metadata:
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-"typescript@npm:5.6.2":
+"typescript@npm:5.6.2, typescript@npm:^5.2.2":
   version: 5.6.2
   resolution: "typescript@npm:5.6.2"
   bin:
@@ -10843,7 +11043,7 @@ __metadata:
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-"typescript@patch:typescript@npm%3A5.6.2#optional!builtin<compat/typescript>":
+"typescript@patch:typescript@npm%3A5.6.2#optional!builtin<compat/typescript>, typescript@patch:typescript@npm%3A^5.2.2#optional!builtin<compat/typescript>":
   version: 5.6.2
   resolution: "typescript@patch:typescript@npm%3A5.6.2#optional!builtin<compat/typescript>::version=5.6.2&hash=8c6c40"
   bin:
@@ -11306,6 +11506,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"widest-line@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "widest-line@npm:3.1.0"
+  dependencies:
+    string-width: "npm:^4.0.0"
+  checksum: 10c0/b1e623adcfb9df35350dd7fc61295d6d4a1eaa65a406ba39c4b8360045b614af95ad10e05abf704936ed022569be438c4bfa02d6d031863c4166a238c301119f
+  languageName: node
+  linkType: hard
+
 "wildcard@npm:^2.0.0":
   version: 2.0.1
   resolution: "wildcard@npm:2.0.1"
@@ -11320,6 +11529,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"wordwrap@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "wordwrap@npm:1.0.0"
+  checksum: 10c0/7ed2e44f3c33c5c3e3771134d2b0aee4314c9e49c749e37f464bf69f2bcdf0cbf9419ca638098e2717cff4875c47f56a007532f6111c3319f557a2ca91278e92
+  languageName: node
+  linkType: hard
+
 "wrap-ansi-cjs@npm:wrap-ansi@^7.0.0, wrap-ansi@npm:^7.0.0":
   version: 7.0.0
   resolution: "wrap-ansi@npm:7.0.0"