Identities for entities did.bot
agent llm did

docs(provenance): say where an avatar comes from and who may replace one master

Adds the running-locally section for the profile and the picture an account is born with, and records in write-policy that nothing yet checks who is writing either. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Change-Id: I035c56d3626f31f7d3021a7fe92336b86a347887