Remove ~60% redundant content from AGENTS.md (safety, bootstrap, tools, workspace
sections already covered by system prompt). Add Conversational Style rules to reduce
bot-like behavior. Add customizable Style section to SOUL.md template with summoner
metaprompt support. Migration 000010 force-updates all existing AGENTS.md in DB.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>