v0.4.0

Added

• Magnetic Blocks, Shizen and Arashi each have 128 original challenges, bringing the active package to 684. Each expansion has 32 entry-level, 32 easy, 32 intermediate, 24 hard and 8 expert levels, with bilingual objectives and verified winning plays.
• Reusable campaign design and review documents, concrete grading methods, rejected-example regressions and board-coverage evidence.

Changed

• All expanded content is regraded from complete seeded plans, consequential placement probes, interacting objectives and mechanic-specific counterfactuals. Integer difficulty is shown from 1 to 100 in five groups. Search limits remain explicitly unknown.
• The expansion replaces the former fifty-level sets. Current campaign save/restart behavior is verified; previous-version level archives are not retained.