I've had four long running agents running my newsletter for months. The hard part wasn't memory, it was the context window
An operator running four Claude Code agents for a 9k-subscriber newsletter shares a hard-won pattern: long-running agents break on context windows, not memory. Each agent now checkpoints itself, verifies a genuinely fresh session started, and resumes from the checkpoint — never trusting the checkpoint blindly. Real-world notes on keeping agents productive across days.