fix(monitor): remove non-existent worker columns from job_run_logs query

The job_run_logs table tracks scheduled job orchestration, not individual
worker jobs. Worker info (worker_id, worker_hostname) belongs on
dispensary_crawl_jobs, not job_run_logs.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/dist/services/scheduler.js

@@ -18,7 +18,7 @@ async function getSettings() {
     WHERE key IN ('scrape_interval_hours', 'scrape_specials_time')
   `);
     const settings = {};
-    result.rows.forEach(row => {
+    result.rows.forEach((row) => {
         settings[row.key] = row.value;
     });
     return {