Add multi-provider API support and refactor authentication#1

cometben54-arch wants to merge 2 commits intoMixtoo:mainMixtoo/notebooklmfix:mainfrom

cometben54-arch:claude/cloudflare-deployment-api-config-97RKxcometben54-arch/notebooklmfix:claude/cloudflare-deployment-api-config-97RKxCopy head branch name to clipboard