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Design2Code Rewards

Design2Code rewards combine browser-based metrics and ground-truth evaluation.

Components include:

  • visual similarity (SSIM/CLIP)
  • semantic structure
  • ChromiumRL signals
  • ground-truth evaluator (when reference HTML is available)

When reference HTML is unavailable, the system falls back to visual-only metrics.

See w8_rl/rewards/design2code_eval.py and w8_rl/rewards/ground_truth.py.

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