minor fixes

Author: miorel

workspaces/fetch-leetcode-problem-list/src/main.ts

@@ -11,7 +11,7 @@ import { whileReturnsTrueAsync } from "@code-chronicles/util/whileReturnsTrueAsy
 
 const FILENAME = "problems.jsonl";
 
-const LIMIT = 50;
+const LIMIT = 500;
 
 async function main(): Promise<void> {
   // TODO: warn early if the file already exists

workspaces/leetcode-api/graphql-codegen.config.ts

@@ -12,6 +12,10 @@ const commonTypeScriptPluginConfig: GraphQLCodegen.PluginConfig = {
   useTypeImports: true,
 
   scalars: {
+    DateTime: {
+      input: "unknown",
+      output: "string",
+    },
     JSONString: {
       input: "unknown",
       output: "string",