- Store subscriber count from YouTube statistics and show it on channel page
- Sync 50 videos per channel with playlistItems pagination support
- Show per-channel and per-category new-videos counters (2-day window)
- Replace hourly videos sync with activity trigger (2h idle) and
incremental backfill (hard cap 200 per channel)
- Clicking the sidebar new-videos count filters the category feed to
recent videos only (new_only)
- Update agent-team docs: deploy after green checks