[feat] Warehouse view

tail latency (broken down into queue time and execution time), cluster count, query count, I/O (including bytes spilled), idle time, and the top workloads running.

<img width="800" height="918" alt="Image" src="https://github.com/user-attachments/assets/b062b467-e2b1-4b98-8c63-21b788cc71c8" />