v0.0.59 — Backup Engine & Residency Cleanup

What's Changed

• fix(residency): region-migration export bundle covers every pillar (v2 bundle + drift tripwire) by @msywulak in #4724
• fix(backups): wire the scheduled-backup automation — cadence-window fiber, S3 storage driver, health tripwire (#4457) by @msywulak in #4723
• fix(residency): region-migration Phase 4 source cleanup actually executes (#4458) by @msywulak in #4725
• fix(deploy): install PostgreSQL 18 client tools in the api image for the backup engine (#4457) by @msywulak in #4726
• fix(mcp): advertise offline_access in scopes_supported so DCR clients get refresh tokens (#4728) by @msywulak in #4729

Full Changelog: v0.0.58...v0.0.59