agents: add Quick Start section for AI agents with environment checks

AGENTS.md

@@ -1,5 +1,22 @@
 # AGENTS.md — Machine-readable deployment instructions for AI agents
 
+## Quick Start for AI Agents
+
+You are an AI agent tasked with deploying `shared-sqs` to a Kubernetes cluster.
+
+**Before proceeding, do the following:**
+
+1. **Ask user for all required variables** from STEP 1 below. Do NOT proceed if any is missing.
+2. **Check user's environment** by running:
+   ```bash
+   kubectl version --client
+   helm version
+   ```
+   If either command fails or returns an error — stop and inform the user that `kubectl` or `helm` are not installed.
+3. **Then proceed with STEP 2** and follow the steps sequentially.
+
+---
+
 ## YOUR TASK
 
 Deploy `shared-sqs` to a Kubernetes cluster using the Helm chart in `./deploy/`.