cache.js: Map values serialise as '{}' under JSON.stringify, causing
emby:users to show 0 bytes and null item count in the status panel.
Convert Maps via Object.fromEntries before stringifying, and report
Map.size as itemCount.
index.js: JS and CSS served with Cache-Control: no-cache so browsers
always revalidate on load. ETag still prevents re-downloading unchanged
files — only a new deploy triggers an actual download.
- New /api/dashboard/status endpoint (admin-only, 403 for non-admins)
- Returns server info (uptime, Node version, memory usage)
- Returns polling mode and interval
- Returns cache stats: entry count, total size, per-key breakdown
with item count, size in KB, and TTL remaining
- Status button in admin controls header
- Collapsible status panel with grid layout
- Responsive: single column on mobile
- Add MemoryCache utility with get/set/invalidate/clear
- Cache Sonarr series, Sonarr tags, Radarr movies, Radarr tags
- 60-second TTL - first request fetches, subsequent requests served from cache
- Queue, history, and torrent data remain uncached (changes frequently)
- On cache hit, these 4 heavy API calls resolve instantly
