Concept

Per-mechanic and per-mechanic-set design specs.

Doc	Purpose
Two Styles	High-level architecture: how Construction and Reality fit together.
Construction	Part 1: tournament shape, rally, count, prototype scope.
Reconstruction	Part 2: search, items invoking memories, the key.
Reality	Reality as a style: place, visual register, audio, scene shape.
Postgame	The cliff, the gate, credits, postgame rally.
Milestones	Competition classes; qualify-then-duel pattern.
The Break	The rupture between Construction and Reality.
Venue	The setting where the protagonist volleys.
Achievements	Feats surface diegetically, the world reporting them in its own voice.