Expand browser editor runtime and LED simulation workflows.

Add Docker deployment support, richer Selenium/LED pattern tests, in-browser diagnostics, responsive UI improvements, and 16x16 panel simulation tooling to speed iteration and hardware-style prototyping.

Made-with: Cursor

.cursor/hooks/dev-reload-touch.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Consume hook JSON input (not needed for this hook).
+cat >/dev/null || true
+
+mkdir -p "src/static"
+date +%s%3N > "src/static/.reload-token"