Identities for entities did.bot

feat(spaces): vendor the space and simplespace lexicons #2579

targeting main from lexicons
Closed opened by and assigned to borel-balisong.test.pds.did.bot
targeting main from lexicons

Adds both lexicon families, their NSID registry entries and the space-ref string format, without changing the bot.did record set. Cargo.lock follows the new workspace dependency.

Co-Authored-By: Claude Code noreply@anthropic.com

Commits 3

feat(spaces): vendor the space and simplespace lexicons
fix(spaces): apply the protocol crate's security review
feat(spaces): add the protocol primitives crate