feat(deno): Add Deno tool and smartdeno integration; export and register DenoTool; update docs and tests

ts/smartagent.classes.dualagent.ts

@@ -7,6 +7,7 @@ import { FilesystemTool } from './smartagent.tools.filesystem.js';
 import { HttpTool } from './smartagent.tools.http.js';
 import { ShellTool } from './smartagent.tools.shell.js';
 import { BrowserTool } from './smartagent.tools.browser.js';
+import { DenoTool } from './smartagent.tools.deno.js';
 
 /**
  * DualAgentOrchestrator - Coordinates Driver and Guardian agents
@@ -87,6 +88,7 @@ export class DualAgentOrchestrator {
       new HttpTool(),
       new ShellTool(),
       new BrowserTool(),
+      new DenoTool(),
     ];
 
     for (const tool of standardTools) {