refactor(agents): limit task rejection to role

docs/background-orchestration.md

@@ -268,8 +268,8 @@ Include:
 
 ### Task-fit rejections
 
-If a task is outside a specialist's role, permissions, or available context, it
-must not attempt partial work. It returns a brief reason to the orchestrator.
+If a task is outside a specialist's role, it must not attempt partial work. It
+returns a brief reason to the orchestrator.
 The orchestrator treats that reason as routing input to reroute or clarify the
 task and must not retry the unchanged task with the same specialist.
 

src/agents/task-rejection.test.ts

@@ -4,10 +4,12 @@ import { TASK_REJECTION_INSTRUCTION } from './task-rejection';
 describe('task rejection instruction', () => {
   test('requires a plain reason-only response', () => {
     expect(TASK_REJECTION_INSTRUCTION).toBe(
-      'If a task is outside your role, permissions, or available context, do not attempt partial work. Return a brief reason to the orchestrator.',
+      'If a task is outside your role, do not attempt partial work. Return a brief reason to the orchestrator.',
     );
     expect(TASK_REJECTION_INSTRUCTION).not.toMatch(
       /<|>|task_rejection|recommended[_ -]?agent/i,
     );
+    expect(TASK_REJECTION_INSTRUCTION).not.toContain('permissions');
+    expect(TASK_REJECTION_INSTRUCTION).not.toContain('available context');
   });
 });

src/agents/task-rejection.ts

@@ -1,5 +1,5 @@
 export const TASK_REJECTION_INSTRUCTION =
-  'If a task is outside your role, permissions, or available context, do not attempt partial work. Return a brief reason to the orchestrator.';
+  'If a task is outside your role, do not attempt partial work. Return a brief reason to the orchestrator.';
 
 export function appendTaskRejectionInstruction(prompt: string): string {
   return `${prompt}\n\n${TASK_REJECTION_INSTRUCTION}`;