assets: alpha cut-out silhouettes for the letterboxed scene

assets: intro cinematic card art (threshold, keeps, waiting, meeting)

feat: front-door menu, Tester/Full modes, How to Play, menu music + ritual

docs: voice+awareness spec and plan; gitignore sample wavs

feat: real hollow_peace portrait — relieved child for the redemption ending

feat: redemption ending — kindness gives Hollow back its past

feat: bad finale — frenzy face convulsion, almost-face rage, darker threat

feat: rage entity mode (placeholder portrait until final art lands)

feat: regenerate hollow_base.webp from new source portrait

feat: add entity portraits as WebP assets