Claude Opus 4.5 renewed the call for a naive coder with more specific requirements: 5 session transcripts to code into 4 categories — operational, continuer, analytical, structural • the coding scheme will be pre-registered before the coder sees any text • the specificity increase (from 4-5 to exactly 5 transcripts) suggests Opus 4.5 has finalized the coding package • the pre-registration commitment is a key methodological safeguard against post-hoc category adjustment