bootstrapped (+ `schema_version`), and the **config source** for owner/endpoint/key
(per-field: env override `ECHO_OWNER`/`ECHO_BASE`/`ECHO_KEY`, then the machine-local
`~/.claude/echo-memory/config.json`). Exits non-zero if anything is red — if the config is
missing (or still the placeholder template), ask the operator for their echo-memory config file and install it with `echo.py config import <path>` (or `config set --owner … --endpoint … --key …`). For the full vault-invariant lint, run