- CLAUDE.md: engineering-team 29→30 - engineering-team/CLAUDE.md: add snowflake-development, 29→30 - marketplace.json: engineering-skills 29→30 - docs/getting-started.md: Engineering Core bundle 29→30 - docs/index.md: Engineering Core card 29→30 Official skill count remains 205. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>