ENG03 figure review

A proposed query plan crosses validation before selecting fixed SQL with bounded parameters.
ENG03-v1
Template, tenant, region and SQL field each have an explicit validation rule.
ENG03-v2
Region3 returns1000 and49000, region5 returns1000 and51000, region4 returns zero.
ENG03-v3
Five proposals execute approved SQL and four return refusal without a database query.
ENG03-v4
Equivalent aggregate results hide different rows-read counts across the two approved SQL templates.
ENG03-v5

Motion

Conceptual tool transition