chore: import upstream snapshot with attribution

Scripts/launch.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -euo pipefail
+
+# Simple script to launch CodexBar (kills existing instance first)
+# Usage: ./Scripts/launch.sh
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+APP_PATH="$PROJECT_ROOT/CodexBar.app"
+
+echo "==> Killing existing CodexBar instances"
+pkill -x CodexBar || pkill -f CodexBar.app || true
+sleep 0.5
+
+if [[ ! -d "$APP_PATH" ]]; then
+    echo "ERROR: CodexBar.app not found at $APP_PATH"
+    echo "Run ./Scripts/package_app.sh first to build the app"
+    exit 1
+fi
+
+echo "==> Launching CodexBar from $APP_PATH"
+open -n "$APP_PATH"
+
+# Wait a moment and check if it's running
+sleep 1
+if pgrep -x CodexBar > /dev/null; then
+    echo "OK: CodexBar is running."
+else
+    echo "ERROR: App exited immediately. Check crash logs in Console.app (User Reports)."
+    exit 1
+fi
+