sync: update from private repo (402599f)

src/engine/agent-loop.test.ts

@@ -574,7 +574,7 @@ describe('executeMovement parallel tool execution', () => {
     expect(markerMessages.length).toBeGreaterThanOrEqual(1);
   });
 
-  it('force-transitions to defaultNext when initial prompt is oversized and defaultNext is set', async () => {
+  it('aborts when initial prompt is oversized and defaultNext is terminal', async () => {
     const { ContextManager } = await import('./context-manager.js');
     const cm = new ContextManager({ limitTokens: 1_000 });
 
@@ -594,10 +594,10 @@ describe('executeMovement parallel tool execution', () => {
       { contextManager: cm },
     );
 
-    // makeMovement defaultNext is 'COMPLETE' so we force-transition there
-    expect(result.next).toBe('COMPLETE');
-    expect(result.output).toContain('Context overflow');
-    expect(result.lessons).toContain('Context overflow');
+    // A terminal fallback would report a false completion, so overflow aborts.
+    expect(result.next).toBe('ABORT');
+    expect(result.abortCode).toBe('context_overflow');
+    expect(result.output).toContain('LLM request blocked before send');
     // Only the isolated summary call should have happened — no main LLM call
     expect(executeToolMock).not.toHaveBeenCalled();
   });