CREATE TABLE IF NOT EXISTS quote_comparisons ( tenant_key TEXT NOT NULL, comparison_id TEXT NOT NULL, recommendation_vendor TEXT NOT NULL, result JSONB NOT NULL, created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(), PRIMARY KEY (tenant_key, comparison_id) ); CREATE INDEX IF NOT EXISTS quote_comparisons_tenant_updated_idx ON quote_comparisons (tenant_key, updated_at DESC); CREATE TABLE IF NOT EXISTS quote_judge_receipts ( receipt_id TEXT PRIMARY KEY, tenant_key TEXT NOT NULL, comparison_id TEXT NOT NULL, tool_name TEXT NOT NULL, status TEXT NOT NULL, input_hash TEXT NOT NULL, payload JSONB NOT NULL, created_at TIMESTAMPTZ NOT NULL DEFAULT NOW() ); CREATE INDEX IF NOT EXISTS quote_judge_receipts_tenant_comparison_idx ON quote_judge_receipts (tenant_key, comparison_id, created_at DESC);