The merge restores the engine's unpause merge sweep logic in `project-engine.ts` and documents the soft-pause merge resume behavior across architecture and settings reference docs, with associated test coverage added. Fusion-Task-Id: FN-3201
The merge restores the engine's unpause merge sweep logic in `project-engine.ts` and documents the soft-pause merge resume behavior across architecture and settings reference docs, with associated test coverage added. Fusion-Task-Id: FN-3201