Eight-card explainer covering Business-as-Code philosophy, the five
element types (Flow/Data/View/Rule/Version), the DEFINE/VERSION/DEPLOY/
EXECUTE lifecycle, hubs, work items, EA2 graph storage, and the Pi
agent. Sourced from FlowMaster Element Architecture v2.1 + the EA2
collection/edge contracts recalled from Hindsight today.
New 'What is FlowMaster?' chip on Landing routes here.
