Release 1.0.1-beta.6

Changes

• 🔧 Polish sidebar backup UX and restore i18n
• 🎨 Remove unused backup dual-button row styles
• 🐛 Fix RequestTimeTooSkewed after successful connection tests
• 🐛 Harden clock-skew fix against 4xx Date poisoning
• 🎨 Simplify clock-skew helpers after review

Full Changelog: 1.0.1-beta.5...1.0.1-beta.6