docs: refresh config schema output refs

docs/cli/config.md

@@ -54,9 +54,17 @@ What it includes:
 
 - The current root config schema, plus a root `$schema` string field for editor tooling
 - Field `title` and `description` metadata derived from the same labels/help used by the Control UI
+- Nested object, wildcard (`*`), and array-item (`[]`) nodes inherit the same field docs when labels/help exist
 - Best-effort live plugin + channel schema metadata when runtime manifests can be loaded
 - A clean fallback schema even when the current config is invalid
 
+Related runtime RPC:
+
+- `config.schema.lookup` returns one normalized config path with a shallow
+  schema node (`title`, `description`, `type`, `enum`, `const`, common bounds),
+  matched UI hint metadata, and immediate child summaries. Use it for
+  path-scoped drill-down in Control UI or custom clients.
+
 ```bash
 openclaw config schema
 ```

docs/cli/index.md

@@ -1460,7 +1460,7 @@ Notes:
 
 Common RPCs:
 
-- `config.schema.lookup` (inspect one config subtree with field docs)
+- `config.schema.lookup` (inspect one config subtree with shallow schema fields, docs, and immediate child summaries)
 - `config.get` (read current config snapshot + hash)
 - `config.set` (validate + write full config; use `baseHash` for optimistic concurrency)
 - `config.apply` (validate + write config + restart + wake)