fix(workers): Preserve fantasy names on pod restart

- Re-registration no longer overwrites pod_name with K8s name
- New workers get fantasy name (Aethelgard, Xylos, etc.) as pod_name
- Document worker naming convention in CLAUDE.md

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

CLAUDE.md

@@ -939,7 +939,8 @@ export default defineConfig({
 
 20) **Crawler Architecture**
     - **Scraper pod (1 replica)**: Runs the Express API server + scheduler.
-    - **Scraper-worker pods (5 replicas)**: Each worker runs `dist/dutchie-az/services/worker.js`, polling the job queue.
+    - **Scraper-worker pods (25 replicas)**: Each runs `dist/tasks/task-worker.js`, polling the job queue.
+    - **Worker naming**: Pods use fantasy names (Aethelgard, Xylos, Kryll, Coriolis, etc.) - see `k8s/scraper-worker.yaml` ConfigMap. Worker IDs: `{PodName}-worker-{n}`
     - **Job types**: `menu_detection`, `menu_detection_single`, `dutchie_product_crawl`
     - **Job schedules** (managed in `job_schedules` table):
       - `dutchie_az_menu_detection`: Runs daily with 60-min jitter