v0.51.838

What's Changed

• Release v0.51.838 — sidebar read-only projection (#5464) + pause hidden-tab polling (#5465) by @nesquena-hermes in #5476
• perf(sessions): open the session-listing projection read-only (#5455) by @ai-ag2026 in #5464
• perf(sidebar): pause background session polling while the tab is hidden (#5455) by @ai-ag2026 in #5465

Full Changelog: v0.51.837...v0.51.838