docs: lore + scene polish design spec (Caor/the Gaunt, O2 scene, F1 input, B+C)

docs: game-view UI polish design spec (transcript, voices, color, feedback)

docs: child redesign design spec (symmetric layout, recovered-self, diegetic tone, naming)

docs: opening intro-sequence spec (lore cards, typewriter tick, choice->tone)

docs: front-door menu spec + plan (Direction C, modes, how-to-play, menu music)

docs: add detailed execution report for opening chime ritual

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

docs: spec for tone axis + three endings (What You Made Of Me)

docs: implementation plan for entity panel + Visitor Loop ending

docs: design spec for entity panel + Visitor Loop ending