Building a Local AI Agent (Part 1): Six Technical Challenges

I've been building Reiseki (霊石) — a fully local AI agent that runs on your machine via Ollama, even if you do not have more than 8-10 GB of RAM. The agent uses a ReAct loop (Reason → Act → Observe) to handle file operations, document generation, reminders, and more. Reiseki is open source: github.com/Flo1632/reiseki Along the way I ran into six technical problems that aren't obvious. Here's what I've encountered and learned. In Part 2 I'll cover the UX and design challenges — my goal was to make