Updates

docs/harness-integration.md

@@ -35,7 +35,10 @@ D-Bus protocol. Computer-use tools are custom harness tools backed by
 
 ## Adding a tool
 
-1. Put the implementation in the appropriate skill module.
+1. Put the implementation in the appropriate skill module. Public web search
+   and page fetch already live in
+   `vendor/agent-harness/agent/web-search.js` (`web_search`, `google_search`,
+   `fetch_page`, `web_fetch`, `wiki_search`, `hn_search`, `code_search`).
 2. Export a JSON-schema tool with a stable name, description, timeout, and
    permission level.
 3. Route QVAC work through the master facade.
@@ -44,5 +47,5 @@ D-Bus protocol. Computer-use tools are custom harness tools backed by
    user-visible.
 
 Destructive tools require explicit confirmation. Computer-use tools additionally
-require an active grant, a visible overlay, a live step budget, and a lock-screen
-check.
+require an active grant, visible CU chrome / target highlight, a live step
+budget, and a lock-screen check.