vstable-v2.6.44 – v2026.08.01.01 — 2026-08-01

• docs: Node.js/Python app manager guide (customer + admin)
• feat(apps): central admin runtime-version management (System page)
• fix(i18n): correct stale systemd-slice help text in package/site UI
• docs(changelog): drop test-only lines + filter them from generation