Problem Catalog

Problem	Solver Type	Status	Notes
Sudoku	IP	🟢 Implemented	Grid puzzle with row/column/box uniqueness
Hashi (Bridges)	-	🟡 Planned	Connect islands with bridges under degree constraints
Maze Cover	-	🟡 Planned	Path/cover puzzle
Balsort	-	🟡 Planned	Sorting/stacking puzzle