Load Emporia master CSV into Snowflake for Metabase

Grace uploaded master-emporia-list-vec.csv in Slack thread 1784781327.381819. Load the 339-row CSV to PRODUCTION.DEV_SERGEY.MASTER_EMPORIA_LIST_VEC_20260723, grant READ_ONLY_ROLE and CUBE_ROLE, verify visibility and row count, and provide a Metabase query. Linked to the active Emporia enrollment work.