• Merge pull request #1078 from kaitranntt/kai/chore/sync-main-into-dev-260424
• chore: merge main hotfixes into dev
• Merge pull request #1064 from kaitranntt/kai/hotfix/1062-cliproxy-plus-deleted
• hotfix: preserve plus fallback state and guard variant updates
• hotfix: close cliproxy plus fallback gaps
• hotfix(cliproxy): fallback from deleted CLIProxyAPIPlus to original backend