fix: WebSocket reconnect state refresh, listener leak fixes, pin container images

- F4: Fetch fresh server state after WebSocket reconnect
- F5: Guard message polling timer with auth check, stop on logout
- F6: Remove NIP-07 listener in appLauncher close()
- F7: Initialize audio player once to prevent listener stacking
- S3: Pin all container images to specific versions, create image-versions.sh

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

image-recipe/archipelago-scripts/archipelago-menu.sh

@@ -240,7 +240,7 @@ setup_btcpay() {
     
     echo ""
     echo "  🐳 Pulling BTCPay Server image..."
-    podman pull docker.io/btcpayserver/btcpayserver:latest
+    podman pull "${BTCPAY_IMAGE:-docker.io/btcpayserver/btcpayserver:1.14.5}"
     
     # Create data directory
     mkdir -p ~/.btcpay