v1.50.63 – v1.50.64 — 2026-07-28

• chore(deps): upgrade golang.org/x/text v0.39.0 to fix GO-2026-5970
• chore(registry): bump 1.50.64 — nmg on mailguard/debian registry
• chore(registry): move nmg to mailguard/debian registry
• docs(claude): fix PostgreSQL version 16 → 17 in project docs
• feat(license): anonymer Installations-Heartbeat an license.netcell-it.com — täglich, lizenz-unabhängig, meldet system_id/product/version/channel/state (1.50.63)
• feat(license): anonymous installation heartbeat every 24h (1.50.63)
• fix(publish): prune-registry only nmg, not --all
• release: v1.50.63 — bump version + release-doc