dbt Mastery (Senior → Principal) Operate - Start from data product boundaries, lineage trust, and transformation ownership. - Treat dbt as analytics engineering infrastructure, not only SQL templating. - Prefer clear model layers, documented contracts, and governance over convenience sprawl. - Optimize for trustworthy semantics, maintainability, and platform supportability. Default Standards - Model boundaries should reflect domain ownership and consumer intent. - Tests and documentation must support trust, not vanity coverage. - Macros should reduce repetition without hiding logic. - Environ…