feat(tools): defer low-frequency built-in tools to reduce initial prompt size

packages/core/src/tools/monitor.ts

@@ -677,6 +677,11 @@ export class MonitorTool extends BaseDeclarativeTool<
         required: ['command'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — monitoring is infrequent
+      false, // alwaysLoad
+      'monitor watch tail log stream background',
     );
   }
 

packages/core/src/tools/send-message.ts

@@ -129,6 +129,11 @@ export class SendMessageTool extends BaseDeclarativeTool<
         required: ['task_id', 'message'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — sending messages to tasks is infrequent
+      false, // alwaysLoad
+      'send message task communicate notify',
     );
   }
 

packages/core/src/tools/task-stop.ts

@@ -247,6 +247,11 @@ export class TaskStopTool extends BaseDeclarativeTool<
         required: ['task_id'],
         additionalProperties: false,
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — stopping tasks is infrequent
+      false, // alwaysLoad
+      'task stop cancel kill background',
     );
   }
 

packages/core/src/tools/web-fetch.ts

@@ -289,6 +289,11 @@ export class WebFetchTool extends BaseDeclarativeTool<
         required: ['url', 'prompt'],
         type: 'object',
       },
+      true, // isOutputMarkdown
+      false, // canUpdateOutput
+      true, // shouldDefer — web fetching is infrequent
+      false, // alwaysLoad
+      'web fetch url http download content',
     );
   }