interval-merging

Smart Calendar Search Engine: An O(N log N) interval merging algorithm with CLI, graceful fallbacks, bottleneck analysis, and SOLID architecture.

Folds overlapping spans into one redaction plan and proves no fragment of the value survives

ProofPlay is the no-nonsense way to actually learn from videos—no more sneaky skips or replay cheats. It tracks only the seconds you truly watch, lets you pick up right where you left off, and shows you real progress, not just a tick mark.