Replacement for User Misery / Apdex

### Problem Statement * User Misery based on LCP doesn't work for all web browsers. * What constitutes _a miserable user experience_ varies by type of transaction: backend, vs., frontend. We would like a measurement that acts as a good sorting key for each domain, Frontend, Backend, Mobile, and AI, helping users pick the most important spans to spend time optimizing for performance. ### Solution Brainstorm **Option 1: Show Time Spent universally across performance views as the last column** _Time Spent_, which we show on Insights pages, may be a good option. **Option 2: Extend user misery** Add additional options for user misery, allowing perhaps: 1. A custom EAP query to be used for the user misery column. 2. Add Apdex as one of the sorting options for user misery. ### Product Area Insights