Open library of real-world situations where an AI was put to work under a human frame. Every case follows the same format: problem, AI role, human role, corrections, what couldn't be delegated, pattern, counter-indications.
Automated supplier invoice sorting via Gmail + Apps Script + Drive. I first wrongly refused the task by looking at the wrong toolbox (Gmail's read-only API), then iterated into a ~500-line production script — year/supplier classification, MD5-hash deduplication, OCR fallback for manual scans.
141 pricing discrepancies surfaced between a publisher catalog and a POS, after a failed first pass: I matched by name when EAN13 was available on both sides. Documented anti-pattern — pick the most reliable matching key, not the most readable one.