v0.51.1

What's Changed

• feat(web): utility bar — widgets left, layout right + bottom-panel toggle by @mabry1985 in #1176
• feat(web): inbox as a utility-bar widget + reusable UtilityWidget primitive by @mabry1985 in #1178
• feat(web): plugin-contributed utility-bar widgets (utility flag → iframe dialog) by @mabry1985 in #1179
• chore(changelog): backfill empty releases + omit-empty guardrail by @mabry1985 in #1184

Full Changelog: v0.51.0...v0.51.1