Method updateItems

src/utils/VirtualScroller.ts:641–677

* Update the items list and re-render

(items: T[])

	 * Update the items list and re-render
	 */
	updateItems(items: T[]): void {
		// Save current scroll position
		const currentScrollTop = this.scrollContainer.scrollTop;

		this.items = items;
		this.state.totalItems = items.length;

		// Keep existing height measurements - they're usually still valid
		// Only clear measurements for indices beyond the new length
		const maxIndex = this.itemHeights.size;
		for (let i = items.length; i < maxIndex; i++) {
			this.itemHeights.delete(i);
		}

		// Rebuild position cache with existing measurements
		this.rebuildPositionCache();

		// Clear rendered elements cache since items changed
		// This forces fresh cards to be created with updated data
		for (const element of this.renderedElements.values()) {
			if (this.resizeObserver) {
				this.resizeObserver.unobserve(element);
			}
		}
		this.renderedElements.clear();
		this.contentContainer.empty();

		// Force state reset to trigger re-render at current scroll position
		this.state.startIndex = -1;
		this.state.endIndex = -1;

		// IMPORTANT: Restore scroll position BEFORE updateVisibleRange
		// so it calculates the right visible range
		this.scrollContainer.scrollTop = currentScrollTop;

		this.updateVisibleRange();
	}

	/**
	 * Return a shallow copy of the current items in render order.