To provide top-tier support features such as asynchronous conversations, cross-device support, and Estimated Wait Time transparency, Messaging for Web is recommended. This feature enhances the chat support experience on external websites, offering modern communication capabilities that meet customer expectations for flexible and informed support interactions.

To meet the requirement of routing cases based on language proficiency and knowledge area, Omni-Channel Skills-based Routing is the best solution. Skills-based routing allows cases to be directed to agents who possess the specific skills required to handle the case, such as language fluency and product expertise, ensuring efficient and effective case resolution.

Incident Management in Salesforce is designed to provide visibility and coordination during service disruptions or issues. For Ursa Major Solar, this feature would allow service agents, operations teams, and customers to have a centralized view and updates on power outages or service issues, facilitating communication and resolution efforts across all stakeholders involved in the incident.

Configuring a Case list view filtered by "My Case Teams" allows product managers to quickly see and review cases associated with their product teams. This solution leverages the predefined case teams for each product, making it easy for product managers to filter and access relevant cases, improving visibility and involvement in the case management process.

Case teams in Salesforce allow for collaborative case management by enabling a group of users to work on cases together. By using case teams, Universal Containers can specify which users have access to cases based on the Product Type field. Additionally, workflow rules or process builders can be configured to send emails to case team members when a case is created or closed, ensuring that only those with access to the case are notified, thus meeting the requirements.