Quality-of-life update — eethCross Steam update #5974860

Hints only mark cells when the puzzle logic is certain (no more false X suggestions)Hint popup stays readable above the toolbarCompleted row and column numbers can auto-grey when a line is finished (settings)Optional setting to auto-X empty "0" rows and columns at puzzle startClicking row/column numbers no longer clears X marks that still belong on a finished zero-lineMinimap click centers the view (especially helpful on large boards)Puzzle browser distinguishes puzzles you've started from ones you haven'tSave slot progress bar refreshes correctly after partial progressSave slot and stats wording uses grid size instead of calling it a "level"Fastest times show fractions of a second (e.g. 0.67s)Error count persists when you leave and resume a puzzle, respects undo, and doesn't double-count the same wrong cellEnd-of-puzzle fireworks finish cleanly (last burst fizzles; no blanking the scree...