Tags: AntoMay/HoloJava

feat(drop): disable special skill orb drop; update screenshots

- RunWorld: disable special orb drop (rand(50) == -1 never triggers)
- Update screenshots in repo (re-captured after changes)
- Special skill drop system disabled/hidden per user request

Tests: 41/41 PASS

feat(map/boss): Hutan Sawit no BGM, buff WoWo/FufuFafa HP

- BgmAudio: Hutan Sawit (stage6) now has no BGM (returns null)
- ContentCatalog: WoWo HP 110000->140000, FufuFafa HP 125000->160000
- BgmStageMusicTest: updated to expect null for Hutan Sawit
- BossStatsWikiTest: updated expected HP values for WoWo (140000) and FufuFafa (160000)

Tests: 41/41 PASS, Build: 4/4 artifacts