If Status Is Red
- Check Runtime Diagnostics for error rate and memory pressure.
- Check Image Cache Warmer for coverage, failures, and in-flight requests.
- Use server logs only when the structured diagnostics point to a specific failure.
Health and diagnostics for the MTGR Card Importer backend, bulk data, runtime memory, and image cache.
/api/, /api/metrics, and /api/image-cache/stats are queried with cache bypass enabled.