Why Live Multi-Agent UX Is DifferentFrom Live Chat to Live WorkspaceVoice-First, Visual-Augmented DesignState Legibility and InterruptionDesigning Live System StatesTurn Taking, Interruptions, and Barging InShowing Agent Activity Without Exposing MachineryStructuring the Asynchronous WorkspaceDesigning for Asynchronous TasksGenerative UI: When the Agent Sends the ComponentsTrust, Approval, and RecoveryProvenance, Sources, and ConfidenceHuman-in-the-Loop UX: Approval, Authentication, and Structured InputError Presentation and RecoveryPersonalization and Inclusive DesignPersonalization and Contextual AdaptationAccessibility and Inclusive Multimodal DesignEnd-to-End UX WalkthroughUX Patterns and AntipatternsProduction UX ChecklistConclusion