chore: 🤖 v2.7.2

refactor: 💡 Remove old code

feat: 🎸 Guide to open DRF mode

docs: ✏️ Update donor list

style: 💄 Upgrade CSS

feat: 🎸 Add copilot link

feat: 🎸 Guide to open DRF mode

feat: 🎸 Update createConversation's bundleVersion

feat: 🎸 New caching logic

fix: 🐛 support encryptedConversationSignature