Sync from GitHub main 5f78bef: price-column drift correction

Sync from GitHub main cf55aeb: merchant fallback for unknown shops, qty-column extraction, amount-due totals vocab, mojibake currency tolerance, skewed-photo totals fix (labelled TOTAL beats standalone price; negative subtotal recovered from row above)

Sync from GitHub main: parser fixes (SUB-TOTAL, 2-digit qty, barcode strip), ISO dates, conditional second OCR pass, non-blocking model load, OCR_SHARED_SECRET gate + 15MB cap, TIMING behind env var

Reconcile with GitHub repo (diverged since 2026-05-20)

fix(parser): detect Co-op via tagline, BALANCE DUE as total, strip inline qty, filter CREDIT/DEBIT

feat: initial OCR server deploy