I Built a Second Brain That Runs While I Sleep

How I am finally getting my knowledge collection habit under control There's a moment in every PKM journey where you stop adding plugins and start writing infrastructure. For me, that moment arrived when I realized my Obsidian vault had outgrown Obsidian. Not the app itself. Obsidian is still the editor, the graph, the daily driver. But the system around it is Ansible playbooks, a VPS running background agents at 3am, a Telegram bot relaying Claude Code sessions to my phone, a local search engine indexing over a thousand documents, and git as the only database. This is what happens when you treat a knowledge base as infrastructure instead of a hobby. The topology Two machines. One git repo. No database. The Mac is where I think. Obsidian is open, Claude Code is in the terminal, and I'm writing and connecting ideas. The VPS is where the vault works while I don't. Background research, health monitoring, queue dispatch, all running without me. They coordinate through git. That's it. No sy