crossword-from-source
Generate educational crossword puzzles by extracting vocabulary from source files. Use when users want to create crossword puzzles from lecture notes, textbook content, documentation, or code files. Triggers on requests like "create a crossword from this file", "make a vocabulary puzzle from my notes", or "generate a crossword for my students". Designed for college-level students with moderate verbal fluency (SAT-level, not GRE).