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)

docs/gateway/configuration.md

@@ -53,7 +53,9 @@ See the [full reference](/gateway/configuration-reference) for every available f
     Open [http://127.0.0.1:18789](http://127.0.0.1:18789) and use the **Config** tab.
     The Control UI renders a form from the live config schema, including field
     labels/help plus plugin and channel schemas when available, with a **Raw
-    JSON** editor as an escape hatch.
+    JSON** editor as an escape hatch. For drill-down UIs and other tooling, the
+    gateway also exposes `config.schema.lookup` to fetch one path-scoped schema
+    node plus immediate child summaries.
   </Tab>
   <Tab title="Direct edit">
     Edit `~/.openclaw/openclaw.json` directly. The Gateway watches the file and applies changes automatically (see [hot reload](#config-hot-reload)).
@@ -72,6 +74,12 @@ Schema tooling notes:
   and config validation.
 - Field `title` and `description` values are carried into the schema output for
   editor and form tooling.
+- Nested object, wildcard (`*`), and array-item (`[]`) entries inherit the same
+  docs metadata where schema labels/help exist.
+- `config.schema.lookup` returns one normalized config path with a shallow
+  schema node (`title`, `description`, `type`, `enum`, `const`, common bounds,
+  and similar validation fields), matched UI hint metadata, and immediate child
+  summaries for drill-down tooling.
 - Runtime plugin/channel schemas are merged in when the gateway can load the
   current manifest registry.
 

docs/gateway/protocol.md

@@ -277,10 +277,18 @@ Gateway exposes today.
 - `config.apply` validates + replaces the full config payload.
 - `config.schema` returns the live config schema payload used by Control UI and
   CLI tooling: schema, `uiHints`, version, and generation metadata, including
-  plugin + channel schema metadata when the runtime can load it.
+  plugin + channel schema metadata when the runtime can load it. The schema
+  includes field `title` / `description` metadata derived from the same labels
+  and help text used by the UI.
 - `config.schema.lookup` returns a path-scoped lookup payload for one config
-  path: normalized path, a shallow schema node with field docs, matched hint +
-  `hintPath`, and immediate child summaries for UI/CLI drill-down.
+  path: normalized path, a shallow schema node, matched hint + `hintPath`, and
+  immediate child summaries for UI/CLI drill-down.
+  - Lookup schema nodes keep the user-facing docs and common validation fields:
+    `title`, `description`, `type`, `enum`, `const`, `format`, `pattern`,
+    numeric/string/array/object bounds, and boolean flags like
+    `additionalProperties`, `deprecated`, `readOnly`, `writeOnly`.
+  - Child summaries expose `key`, normalized `path`, `type`, `required`,
+    `hasChildren`, plus the matched `hint` / `hintPath`.
 - `update.run` runs the gateway update flow and schedules a restart only when
   the update itself succeeded.
 - `wizard.start`, `wizard.next`, `wizard.status`, and `wizard.cancel` expose the