Fix
Improves the speedtest server switch fix from v2026-03-21.1:
- Auto-detect ID reset: DOCSight now compares the remote server's latest result ID with the local cache on every sync. If the remote ID is lower (server was replaced, IDs reset), the cache is automatically cleared and rebuilt.
- Empty remote detection: If the remote server is reachable but has no results, stale cache and dashboard state are cleared.
- Detection runs for all cache sizes, preventing mixed old/new data.
- Users who switched servers before the previous fix no longer need to manually clear the cache.