Convert CSV text to JSON. JSON body: csv (string, rows separated by newlines), optional delimiter (single character), header (true = first row holds the field names), infer_types (turn numbers and booleans into typed values). Handles quoted fields. Returns columns, row_count, rows and warnings. Request body up to the server size limit; one CSV per call. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.