Combines city_market_profile and location_opportunity_profile into a
single serving model at (country_code, geoname_id) grain. Both Market
Score and Opportunity Score computed per location. City data enriched
via LEFT JOIN dim_cities on geoname_id.
Subtask 1/5: create new model (old models not yet removed).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
