Refs #66. Merged by commander after reviewing Code Queue task codex_1779422778882_1. Separates process HTTP, Docker daemon push, and k3s pull registry capabilities so runner loopback HTTP degradation does not block artifact publish when Docker/k3s paths are proven.
Refs #49
Merged by commander after reviewing Code Queue task codex_1779422762669_1. Adds redacted DB readiness layering and refreshes DEV endpoint/report evidence. Follow-up: deploy/verify the new readiness probe in DEV via standard image CI/CD.