feat: support basic user system

db/migration/000002_v2.down.sql

@@ -0,0 +1,53 @@
+-- remove user reference from orders
+ALTER TABLE orders
+    DROP COLUMN IF EXISTS user_id;
+
+-- remove agent columns from validations
+ALTER TABLE validations
+    DROP COLUMN IF EXISTS agent_risk_notice;
+
+ALTER TABLE validations
+    DROP COLUMN IF EXISTS agent_delivery_advice;
+
+ALTER TABLE validations
+    DROP COLUMN IF EXISTS agent_continue_trade_advice;
+
+ALTER TABLE validations
+    DROP COLUMN IF EXISTS agent_validation_explanation;
+
+-- remove agent columns from pricing_results
+ALTER TABLE pricing_results
+    DROP COLUMN IF EXISTS agent_next_action;
+
+ALTER TABLE pricing_results
+    DROP COLUMN IF EXISTS agent_budget_advice;
+
+ALTER TABLE pricing_results
+    DROP COLUMN IF EXISTS agent_risk_advice;
+
+ALTER TABLE pricing_results
+    DROP COLUMN IF EXISTS agent_task_match_explanation;
+
+-- remove user reference from buyer_requests
+ALTER TABLE buyer_requests
+    DROP COLUMN IF EXISTS user_id;
+
+-- remove agent columns from data_assets
+ALTER TABLE data_assets
+    DROP COLUMN IF EXISTS agent_asset_explanation;
+
+ALTER TABLE data_assets
+    DROP COLUMN IF EXISTS agent_risk_per_mission_advice;
+
+ALTER TABLE data_assets
+    DROP COLUMN IF EXISTS agent_recommended_tasks;
+
+ALTER TABLE data_assets
+    DROP COLUMN IF EXISTS agent_asset_summary;
+
+-- remove user reference from data_assets
+ALTER TABLE data_assets
+    DROP COLUMN IF EXISTS user_id;
+
+-- drop users table
+DROP TABLE IF EXISTS users;