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Help English teachers grade a handwritten student essay PDF end-to-end: split the multi-page scan, OCR every page with Google Vision, then run the ErrorChecker -> Deduplicate -> Improvement -> Mapping prompt chain and the StrengthsAndWeaknesses pass. Returns per-sentence corrections (spelling, grammar, punctuation in UK English), suggested rewrites with line-level mapping back onto the original scan, a top-three recurring-mistake list, and a category rubric (Spelling / Grammar / Vocabulary / Content) the teacher can paste into report comments or a marked-up worksheet.
Creado por: songlin she · GitHub