AI Governance as a Database Primitive: Building FarmOps Desk on Aurora + pgvector + Bedrock

Short summary

FarmOps Desk treats AI governance as a database primitive rather than an API-layer feature, implementing it through audit tables and hard tenant boundaries with CHECK constraints. Two key patterns ensure production safety: atomic credit reservation using conditional UPDATE (avoiding TOCTOU races), and per-farm autonomy tiers that hardcode financial/destructive writes to draft mode. This schema-first approach makes the database itself enforce invariants—the application can bug or crash, but the database prevents unacceptable outcomes like negative balances or cross-tenant leaks.

• •Implements AI governance as database primitives (audit tables, credit ledger, tenant boundaries) rather than application logic
• •Atomic credit reservation via conditional UPDATE prevents TOCTOU races without locks or transactions
• •Per-farm autonomy tiers with hardcoded financial safeguards ensure the database enforces invariants even if the application fails

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