-- Velocity production observability foundation. -- Creates a lightweight table for durable request/error telemetry when enabled. CREATE TABLE IF NOT EXISTS app_request_events ( event_id UUID PRIMARY KEY DEFAULT gen_random_uuid(), request_id TEXT NOT NULL, method TEXT NOT NULL, path TEXT NOT NULL, status_code INTEGER NOT NULL, duration_ms DOUBLE PRECISION NOT NULL, tenant_id TEXT, user_id UUID, error_type TEXT, created_at TIMESTAMPTZ NOT NULL DEFAULT NOW() ); CREATE INDEX IF NOT EXISTS idx_app_request_events_created_at ON app_request_events (created_at DESC); CREATE INDEX IF NOT EXISTS idx_app_request_events_path_status ON app_request_events (path, status_code, created_at DESC);