• Merge pull request #359 from kaitranntt/kai/fix/cliproxy-backend-switching
• fix(ui): add backend fields to CliproxyUpdateCheckResult type
• fix(cliproxy): use backend-aware labels in error messages and API
• fix(cliproxy): complete backend switching with proper binary extraction
• fix(cliproxy): use backend-specific GitHub repos for version fetching
• fix(ui): prevent race conditions during backend switch
• fix(cliproxy): make version cache backend-specific for proper switching
• fix(ui): align alert icon vertically with text when using py-2
• fix(ui): correct warning text to reference Instance Status section
• fix(ui): integrate ProxyStatusWidget in Settings & block backend switch when running
• fix(ui): sync backend state across all CLIProxy UI components
• fix(ui): display dynamic backend label in dashboard
• fix(cliproxy): complete backend param propagation per code review
• fix(cliproxy): make backend switching work with version pins and status