From 077643cca9a2b64ebd8d493c6ac57316f77e92a1 Mon Sep 17 00:00:00 2001
From: User <onyx@local>
Date: Tue, 14 Oct 2025 22:32:55 -0400
Subject: [PATCH] Implement Milestone 4: Sync and Remote Interaction

- Add rebase engine with stacked rebase support
- Implement rerere integration for conflict resolution
- Create conflict resolution UI with clear guidance
- Implement onx sync command for remote synchronization
- Implement onx push command for publishing workstreams
- Add remote configuration helpers
- Register new commands in CLI

All core Milestone 4 features complete and tested.