229. Photo Collage Layout Optimizer

Write a function solve that arranges rectangular photos to minimize wasted space. Given canvas size [W, H] and photo dimensions [[w1,h1], [w2,h2], ...], return True if all photos can fit without overlap.

Example:
Input: canvas = [4, 4], photos = [[2,2], [2,2]]
Output: True (both 2x2 photos fit in 4x4 canvas)

Run this challenge interactively in Python or JavaScript when the app loads.