FULL BROADCAST MODE - FINAL FIX CHECKED

Fixed:
1) Replay Bar shows on OBS overlay.
2) Actual .scorebar hides during replay.
3) Back Live returns immediately when replay duration ends.
4) OBS MediaInputPlaybackEnded event returns live instantly when OBS reports the replay clip ended.
5) Director timer input is seconds.
6) Overlay timer displays minutes:seconds countdown.

Install:
- Backup old folder.
- Extract/overwrite this ZIP into project root.
- Open director.php and overlay.php with Ctrl+F5.
- In OBS Browser Source click Refresh cache.
- Timer example: 1200 = 20:00, 30 = 0:30.
