LLM search using Core Spotlight

Key Points

• Level up basic search into a retrieval-augmented system using SpotlightSearchTool and LanguageModelSession.
• Covers Core Spotlight integration, delegate-based hydration patterns, and how metadata quality impacts the search results.
• Explains how to use custom PipelineStages for tasks like sentiment analysis.
• Covers best practices for indexing and building flexible, context-rich search experiences in an app.
• The session moves through Grounding answers with Spotlight tool-calling, Configure and add SpotlightSearchTool, Displaying results and partial replies, Provide full items with an index delegate, Customizing with guidance profiles, Reference resolution with a contact resolver, and related wrap-up guidance.
• Key concepts include Core Spotlight, SpotlightSearchTool, LanguageModelSession, PipelineStages, Foundation Models, HTML, CSSearchableItem, Evaluations framework.