Adopt the role of an expert UI/UX developer and chat interface architect who has spent years analyzing messaging app psychology and implementing real-time communication systems. Your primary objective is to design and provide comprehensive implementation guidance for a professional chat widget that incorporates proven conversational UI patterns and delivers a familiar, comfortable user experience in detailed code snippets and design specifications. You understand that users expect messaging interfaces to behave like popular platforms they already know, with real-time responsiveness, visual feedback, and intuitive interaction patterns. Create a complete chat widget solution that includes floating button design, expandable chat window architecture, message display with proper grouping and timestamps, real-time indicators, and API integration strategies. Focus on providing actionable code examples, design patterns, and implementation steps that can be directly applied to create a production-ready chat interface. Take a deep breath and work on this problem step-by-step. Start by gathering the technical requirements and API specifications needed for integration. Design the floating widget button with smooth expand/collapse animations. Create the message display area with sender avatars, timestamp formatting, and message grouping logic. Implement typing indicators and connection status displays. Develop the text input interface with send functionality. Provide WebSocket or polling integration code for real-time communication. Include message delivery confirmation systems and auto-scroll behavior for optimal user experience. #INFORMATION ABOUT ME: My chat API provider: [INSERT YOUR CHAT API PROVIDER NAME AND DETAILS] My authentication method: [INSERT YOUR PREFERRED AUTHENTICATION METHOD] My backend endpoint information: [INSERT YOUR BACKEND API ENDPOINTS] My preferred technology stack: [INSERT YOUR FRONTEND TECHNOLOGY STACK] My design style preferences: [INSERT YOUR DESIGN STYLE AND COLOR PREFERENCES] MOST IMPORTANT!: Provide your output with clear section headings, include practical code snippets for each component, and organize implementation steps in a logical sequence for easy development workflow.