feat: Add automated HTTPS gateway setup for agent webhooks

- Add setup-nginx-gateway.sh for Let's Encrypt + nginx
- Add register-agent-webhook.sh for easy webhook registration
- Update HELION-QUICKSTART.md with production deployment guide
- Supports unlimited agents without nginx reconfiguration

scripts/register-agent-webhook.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# Register Telegram webhook for any agent
+# Usage: ./register-agent-webhook.sh <agent_id> <bot_token> [domain]
+
+set -e
+
+AGENT_ID=$1
+BOT_TOKEN=$2
+DOMAIN=${3:-"gateway.daarion.city"}
+
+if [ -z "$AGENT_ID" ] || [ -z "$BOT_TOKEN" ]; then
+    echo "Usage: $0 <agent_id> <bot_token> [domain]"
+    echo "Example: $0 helion 8112062582:AAG... gateway.daarion.city"
+    exit 1
+fi
+
+WEBHOOK_URL="https://${DOMAIN}/${AGENT_ID}/telegram/webhook"
+
+echo "🔗 Registering webhook for agent: $AGENT_ID"
+echo "📍 Webhook URL: $WEBHOOK_URL"
+
+# Set webhook
+RESPONSE=$(curl -s -X POST "https://api.telegram.org/bot${BOT_TOKEN}/setWebhook" \
+    -d "url=${WEBHOOK_URL}" \
+    -d "drop_pending_updates=true" \
+    -d "allowed_updates=[\"message\",\"callback_query\"]")
+
+echo "$RESPONSE" | jq '.' 2>/dev/null || echo "$RESPONSE"
+
+# Verify webhook
+echo ""
+echo "✅ Verifying webhook..."
+curl -s "https://api.telegram.org/bot${BOT_TOKEN}/getWebhookInfo" | jq '.' 2>/dev/null || echo "Install jq for pretty output"
+
+echo ""
+echo "🧪 Test your bot by sending a message in Telegram!"