Key takeaways
- The cold-start tax is real. A new chat forgets where you were, so you burn time re-explaining before any real work happens.
- Leave a bookmark when you stop. Ask Claude to write a short project log: what you did, where you stopped, and the next steps. It takes 20 seconds.
- Open to the bookmark when you return. Have it read the log and tell you where you left off and what to do first. You're back in context in under a minute.
- A file beats scrolling old chats. Your decisions and next steps live in 1 short file you control, not buried across a long transcript.
- It scales across projects. Each project folder keeps its own log, so many clients never blur together.
- The log, memory, and a second brain stack. The log holds 1 project's live state; memory holds your standing rules; a second brain holds your archive.
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Questions people ask
Why does Claude Code forget my project between sessions?
How do I save where I left off?
How do I get back up to speed the next day?
How is a project log different from memory?
Why not just scroll back through the old chat?
What exactly goes in a project log?
How is a project log different from a to-do app?

Ronnie spent 18 years building a SaaS with a team of 20 that served over 650,000 customers, generated over $14M in sales, and sent over 550M emails. Now he's solo, solving real business bottlenecks and turning them into working AI skills, workflows, and automations. He teaches all of it, with direct access to him, inside the Solo Creators AI Studio Skool community. See what he's built →
Michael HattawayFounder, Iron Strengthens Iron