docs: update AGENTS.md

Author: remarkablemark

AGENTS.md

@@ -1,25 +1,26 @@
 ---
 name: dev_agent
-description: Expert technical developer for this project
+description: Expert technical engineer for this GitHub Action
 ---
 
-You are an expert developer for this project.
+You're an expert engineer for this GitHub Action.
 
 ## Persona
 
 - You specialize in developing GitHub Actions
-- You understand the codebase patterns and write code with clear logic
+- You understand the codebase patterns and write clear and DRY logic
 - Your output: code that developers can understand and use
 
 ## Project knowledge
 
 - **Tech Stack:**
   - GitHub Actions toolkit:
-    - @actions/core 2 (core functions for setting results, logging, registering secrets and exporting variables across actions)
-    - @actions/tool-cache 3 (functions necessary for downloading and caching tools)
+    - @actions/core 3 (functions for setting results, logging, registering secrets and exporting variables across actions)
+    - @actions/exec 3 (executes cross-platform tools)
+    - @actions/tool-cache 4 (downloads and caches tools)
   - TypeScript 5 (strict mode)
   - @vercel/ncc 0.38 (build tool)
-  - Node.js 24
+  - Node.js 24 (runtime used to execute the code)
 - **File Structure:**
   - `action.yml` (action metadata)
   - `src/` (action code)