#74 DB Migration: Audit Logs Table Enhancement

Enhance existing audit logs table for comprehensive tracking. Migration File: engine/migrations/sql/XXX_audit_logs_enhancement.sql Ensure Table Has: - id: uuid primary key - tenant_id: varchar(100) - user_id: uuid - action_type: varchar(50) - resource_type: varchar(50) - resource_id: varchar(255) - ip_address: inet - user_agent: text - request_id: uuid (for request tracing) - old_values: jsonb - new_values: jsonb - metadata: jsonb - created_at: timestamp - success: boolean - error_message: text Indexes: - idx_audit_tenant_created (tenant_id, created_at DESC) - idx_audit_user (user_id, created_at DESC) - idx_audit_resource (resource_type, resource_id) - idx_audit_action (action_type, created_at DESC) Partitioning: - Consider monthly partitioning for large installations - Retention policy: 2 years default With ultra attention to details and correctness. Before closing: write comment summarizing implementation with screenshot.