Child Tasks
- t-1txgomo - Design Omni/Agent.hs CLI and module structure [Done]
- t-1txgtmn - Implement worker process management (start/stop/pid) [Done]
- t-1txgyge - Implement git worktree and sync logic in Haskell [Done]
- t-1txgdcd - Implement log streaming and filtering (replace monitor-worker.sh) [Done]
- t-1txgi9c - Implement harvesting logic in Haskell [Done]
- t-1txgn3w - Add integration tests for Agent workflow [Done]