Block a user
Fix #214: ChangeProposal (propose-then-confirm)
Fix #215: pluggable LLM + embedding provider abstraction
Fix #215: pluggable LLM + embedding provider abstraction
Pluggable LLM + embedding provider
Fix #196: one-command operator backup (pg_dump + MinIO)
Fix #196: one-command operator backup (pg_dump + MinIO)
Operator backup: one-command
pg_dump + MinIO sync
Fix #145: tree membership management (list / add / role / remove)
Membership PATCH/DELETE + role change (minimal slice)