🦪References, not valuesarca://name URIs in code and config — nothing sensitive lives in the repo at allarchitecture
🤖Agent-firstarca run injects secrets as env vars — agents run commands without ever seeing keys; --json + manifest/schema everywhereCLI reference
🗄️Pluggable vaultsthe arca-vault port — local age-encrypted file first, a self-hosted Cloudflare Worker + D1 backend too; ciphertext-only everywhereenv routing
🔏Audited materializationevery resolve, denial, and failure records actor, ref, env, timestamp — an ndjson wire on stderr; Secret redacts by constructionaudit contract