- docs/plugins/hooks.md: add `cron_changed` to the Lifecycle hook catalog and
a Gateway lifecycle paragraph describing its typed event payload, run
status, delivery status, and removed-event job snapshot, so plugin authors
picking up f155a5f955 (#72773) have a canonical reference beyond the
sdk-overview bullet that already shipped in the same SHA.
- docs/help/environment.md: add a "Legacy environment variables" section for
aa1834a3ff so users see that `CLAWDBOT_*` and `MOLTBOT_*` prefixes are now
ignored and trigger an `OPENCLAW_LEGACY_ENV_VARS` deprecation warning,
with a rename example to `OPENCLAW_*`.
c478aeca5a
