feat(tools): Centralize shell tool summarization (#4009)

packages/core/src/tools/tool-registry.ts

@@ -11,7 +11,6 @@ import { spawn } from 'node:child_process';
 import { StringDecoder } from 'node:string_decoder';
 import { discoverMcpTools } from './mcp-client.js';
 import { DiscoveredMCPTool } from './mcp-tool.js';
-import { defaultSummarizer } from '../utils/summarizer.js';
 import { parse } from 'shell-quote';
 
 type ToolParams = Record<string, unknown>;
@@ -48,7 +47,6 @@ Signal: Signal number or \`(none)\` if no signal was received.
       parameterSchema,
       false, // isOutputMarkdown
       false, // canUpdateOutput
-      defaultSummarizer,
     );
   }