a3b4e1fab6
Update transform CLAUDE.md source integration map and conformed dimensions table. Update CHANGELOG with unified model + tooltip changes. Fix stale comments in dim_cities.sql and serving README. Subtask 5/5: documentation. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
foundation
Business logic layer: dimensions, facts, conformed metrics. May join across staging models from different sources.
Naming convention: foundation.dim_<entity>, foundation.fact_<event>