Browser Screenshot Diff Compare two recorded sessions step-by-step. Pairs each step in session A to the same in session B, diffs the captured screenshot and accessibility snapshot, reports the first divergence and an aggregate similarity score. When to use - Visual regression after a UI change (record before, record after, diff). - Verifying a run matches the parent session within tolerance. - Comparing two A/B variants of the same form flow. Steps 1. Locate both RVF containers : 2. Load both trajectories from . Build a map for each. 3. Pair steps by . Steps that exist on only one side are fl…