Method init

modules/action/events/window.js:22–33

()

    }

    init() {
        // Window events
        window.addEventListener('resize', this.resizeDebounced, true);

        // Document events
        document.addEventListener('fullscreenchange', this.handleFullscreenChange.bind(this), true);

        // Scroll events (both window and element level) - debounced to capture final position
        window.addEventListener('scroll', this.scrollDebounced, true);

        // Note: popstate is handled by NavigationTracker for unified URL change tracking
    }

    handleResize(event) {
        this.sendMessage({