Process scanned homework PDFs by extracting student names via vision, matching to roster, creating individual PDFs per student, and updating completion spreadsheets. Triggers: "process homework PDF", "organize by student", "create student files from scan", "update homework checklist", "who submitted", "sort assignments", "grade papers", "split PDF by student", "track completion", "missing assignments". Handles: batched scanned worksheets, handwritten name recognition, fuzzy roster matching, session resume for large batches (99-image limit), teacher grading automation.