Agent Host Copilot CLI: Support async shell completion notifications (#318511)

* Support Copilot async shell completions with AHP message origins

* removed unused import

* fix test

Anthony Kim committed 21d ago

0905b9d32c459b7287141526ebdb55e6fd61b42a

Parent: 82e07a4

Committed by GitHub <noreply@github.com> on 5/30/2026, 12:08:20 AM