- server: 'play' event on successful stream fetch, 'error' on 404 stream
failures; new POST /api/events for client-reported playback errors
(only type=error accepted, fields allowlisted + length-capped)
- server: GET /api/stats?days=N — watch time from position-event pos
deltas (<=90s cap: bigger jumps are seeks), episodes started/completed
(>=95% of dur), days active, weekday histogram, top anime/searches,
sub/dub split, error count
- frontend: ?stats page (cards, weekday bars, most-watched, top
searches) + 'stats' link on home; playerFail now reports the error
- test: test_stats with synthetic viewing data (deltas, isolation, 422)
jozamudi
2f373b9bba