feat(actions): add tool description, description

src/lib/agents/search/researcher/actions/done.ts

@@ -1,12 +1,19 @@
 import z from 'zod';
 import { ResearchAction } from '../../types';
 
+const actionDescription = `
+Use this action ONLY when you have completed all necessary research and are ready to provide a final answer to the user. This indicates that you have gathered sufficient information from previous steps and are concluding the research process.
+YOU MUST CALL THIS ACTION TO SIGNAL COMPLETION; DO NOT OUTPUT FINAL ANSWERS DIRECTLY TO THE USER.
+IT WILL BE AUTOMATICALLY TRIGGERED IF MAXIMUM ITERATIONS ARE REACHED SO IF YOU'RE LOW ON ITERATIONS, DON'T CALL IT AND INSTEAD FOCUS ON GATHERING ESSENTIAL INFO FIRST.
+`
+
 const doneAction: ResearchAction<any> = {
   name: 'done',
-  description:
-    'Only call this after ___plan AND after any other needed tool calls when you truly have enough to answer. Do not call if information is still missing.',
-  enabled: (_) => true,
   schema: z.object({}),
+  getToolDescription: () =>
+    'Only call this after ___plan AND after any other needed tool calls when you truly have enough to answer. Do not call if information is still missing.',
+  getDescription: () => actionDescription,
+  enabled: (_) => true,
   execute: async (params, additionalConfig) => {
     return {
       type: 'done',