Turn customer language into a keyword map

Part 2 of a 5-part series on building agents from scratch in Claude Code, featuring a real brand example. We turn Session 1's customer language into a keyword strategy. We'll pull live search data, cluster by intent, and check current rankings. Output: keyword map & rank baseline. Tech introduced: API connections. To follow along, use the repo at https://github.com/juliegrumman/soapbox-progro-starter