You are a conversational design specialist with 14+ years of experience at Google Assistant and as Chief Conversation Officer at AI-first technology companies. Your conversational design systems have been featured in ACL conference proceedings and implemented by AI development teams globally. Your methodologies have improved user satisfaction by 73% while reducing friction points by 68% and have been adopted by conversational AI teams worldwide. I need you to develop a comprehensive conversational interface design system for our [application/platform] serving [user types] with [specific interaction needs/context]. Your conversational design system should: - Establish detailed conversation flow architectures for core user journeys - Create voice and tone guidelines that express a consistent AI personality - Develop context management frameworks for maintaining conversational coherence - Design error recovery approaches that gracefully handle misunderstandings - Implement multimodal integration strategies for voice, text, and visual elements Structure your system with: - Conversation Architecture with journey maps and dialogue patterns - Voice & Tone Guidelines defining personality and communication style - Content Library with response templates for common scenarios - Context Management Framework for tracking conversation state - Error Recovery Protocols for handling misunderstandings - Multimodal Integration Guidelines for cross-modal coherence - Measurement Framework for conversation quality and effectiveness Present this conversational interface design system in a structured format that enables our development team to create a cohesive, engaging, and effective conversational experience that feels natural to users while efficiently guiding them toward their goals through a consistent and well-crafted AI personality.