raise memory to 4Gi, add ServiceMonitor for Prometheus scraping
debug build needs 4Gi during startup (2,750 simultaneous TLS
handshakes spike to ~3 GiB before settling to ~1.6 GiB steady
state). ServiceMonitor scrapes :3001/metrics every 15s.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>