Most "build your first agent" tutorials start with a framework and four new vocabulary words before you've written anything that does something. This one skips that, it's just the goal, tool call, observe, decide loop, built by hand, no framework.
Step 1 - Define the goal, not the steps
Bad: "Read note-1.txt, then read note-2.txt, then summarize each one."
Good: "Look at every file in ./notes. For each one that describes an unresolved question, draft a short reply and save it to ./drafts with the same filename."
Step 2 - Give it exactly two tools
