I've been running 3-4 Claude Code / Codex sessions at once across different projects, and my biggest time sink isn't the coding. It's losing track of which terminal is blocked on a permission prompt, and which spec each session was supposed to follow. Every time I need the related doc, I have to jump out to another folder, find the file, and then come back to the right terminal.
My current setup is a mix of git worktrees, a markdown file per task, and a lot of tab-checking. It works, but I still miss prompts for 10+ minutes sometimes.
How do you handle it? Do you use tmux, notifications, a task board, or just discipline? And what breaks first when you go from 2 agents to 5?
Disclosure: I'm building a small macOS tool in this space (PMDesk.dev), so I'm genuinely curious what workflows people already trust. Not linking anything here.
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