docs: clarify browser wait guidance

src/agents/clawdis-tools.ts

@@ -506,7 +506,7 @@ function createBrowserTool(): AnyAgentTool {
     label: "Clawdis Browser",
     name: "clawdis_browser",
     description:
-      "Control clawd's dedicated browser (status/start/stop/tabs/open/snapshot/screenshot/actions). Use snapshot+act for UI automation.",
+      "Control clawd's dedicated browser (status/start/stop/tabs/open/snapshot/screenshot/actions). Use snapshot+act for UI automation. Avoid act:wait by default; use only in exceptional cases when no reliable UI state exists.",
     parameters: BrowserToolSchema,
     execute: async (_toolCallId, args) => {
       const params = args as Record<string, unknown>;