fix: chat environment functions output

Author: giladgd

src/cli/commands/ChatCommand.ts

@@ -799,13 +799,14 @@ const defaultEnvironmentFunctions = {
     getDate: defineChatSessionFunction({
         description: "Retrieve the current date",
         handler() {
-            return new Date().toLocaleDateString();
+            const date = new Date();
+            return date.getFullYear() + "-" + String(date.getMonth() + 1).padStart(2, "0") + "-" + String(date.getDate()).padStart(2, "0");
         }
     }),
     getTime: defineChatSessionFunction({
         description: "Retrieve the current time",
         handler() {
-            return new Date().toLocaleTimeString();
+            return new Date().toLocaleTimeString("en-US");
         }
     })
 };