Corrected Bake #7 items entry (id 32): 3 diagonal slashes not cross, 12min foil not 15, 150F lid-off check, water re-spray, result logged (good bread, good form). SOP-KITCHEN-LOG.md updated to v1.2 with DUAL-WRITE REQUIREMENT (items table + Kitchen-Sourdough-Bake-Log.xlsx, every bake, going forward). Spreadsheet backup path registered in BACKUP-REG.md (new Spreadsheets section, Kitchen [80]). File saved to backups/80-kitchen/spreadsheets/Kitchen-Sourdough-Bake-Log.xlsx, verified byte-identical via read-back.