photoshop_generate_from_datasets

Batch-export the active document once per data set: applies each data set, saves a copy, moves on. "Mail merge for images". Users often say: generate all variants, batch personalize, render every row. Use when: data sets are already imported (photoshop_import_datasets) and you want one file per row. Returns: JSON { ok, summary, details: { exported, skipped, output_paths } }. Preconditions: active document with data sets. Side effects: writes files to output_dir.