-- Fix crawl_sessions table by adding missing columns
-- Add missing columns to crawl_sessions table
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS processed_urls TEXT[] DEFAULT ARRAY[]::TEXT[];
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS pages_discovered INTEGER DEFAULT 0;
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS pages_processed INTEGER DEFAULT 0;
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS current_url VARCHAR;
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS error_message TEXT;
ALTER TABLE crawl_sessions ADD COLUMN IF NOT EXISTS metadata JSONB DEFAULT '{}'::jsonb;

-- Refresh schema cache to pick up new columns
NOTIFY pgrst, 'reload schema';